/* * Misc useful os-independent macros and functions. * * Portions of this code are copyright (c) 2017 Cypress Semiconductor Corporation * * Copyright (C) 1999-2017, 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: bcmutils.h 665091 2017-05-19 06:11:53Z $ */ #ifndef _bcmutils_h_ #define _bcmutils_h_ #ifdef __cplusplus extern "C" { #endif #define bcm_strncpy_s(dst, noOfElements, src, count) strncpy((dst), (src), (count)) #define bcm_strncat_s(dst, noOfElements, src, count) strncat((dst), (src), (count)) #define bcm_snprintf_s snprintf #define bcm_sprintf_s snprintf /* * #define bcm_strcpy_s(dst, count, src) strncpy((dst), (src), (count)) * Use bcm_strcpy_s instead as it is a safer option * bcm_strcat_s: Use bcm_strncat_s as a safer option * */ /* ctype replacement */ #define _BCM_U 0x01 /* upper */ #define _BCM_L 0x02 /* lower */ #define _BCM_D 0x04 /* digit */ #define _BCM_C 0x08 /* cntrl */ #define _BCM_P 0x10 /* punct */ #define _BCM_S 0x20 /* white space (space/lf/tab) */ #define _BCM_X 0x40 /* hex digit */ #define _BCM_SP 0x80 /* hard space (0x20) */ 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)) #define CIRCULAR_ARRAY_FULL(rd_idx, wr_idx, max) ((wr_idx + 1)%max == rd_idx) #define KB(bytes) (((bytes) + 1023) / 1024) /* Buffer structure for collecting string-formatted data * using bcm_bprintf() API. * Use bcm_binit() to initialize before use */ struct bcmstrbuf { char *buf; /* pointer to current position in origbuf */ unsigned int size; /* current (residual) size in bytes */ char *origbuf; /* unmodified pointer to orignal buffer */ unsigned int origsize; /* unmodified orignal buffer size in bytes */ }; #define BCMSTRBUF_LEN(b) (b->size) #define BCMSTRBUF_BUF(b) (b->buf) /* ** driver-only section ** */ #ifdef BCMDRIVER #include #include #include #define GPIO_PIN_NOTDEFINED 0x20 /* Pin not defined */ /* * Spin at most 'us' microseconds while 'exp' is true. * Caller should explicitly test 'exp' when this completes * and take appropriate error action if 'exp' is still true. */ #ifndef SPINWAIT_POLL_PERIOD #define SPINWAIT_POLL_PERIOD 10 #endif #define SPINWAIT(exp, us) { \ uint countdown = (us) + (SPINWAIT_POLL_PERIOD - 1); \ while ((exp) && (countdown >= SPINWAIT_POLL_PERIOD)) { \ OSL_DELAY(SPINWAIT_POLL_PERIOD); \ countdown -= SPINWAIT_POLL_PERIOD; \ } \ } /* forward definition of ether_addr structure used by some function prototypes */ struct ether_addr; extern int ether_isbcast(const void *ea); extern int ether_isnulladdr(const void *ea); #define BCM_MAC_RXCPL_IDX_BITS 12 #define BCM_MAX_RXCPL_IDX_INVALID 0 #define BCM_MAC_RXCPL_IFIDX_BITS 3 #define BCM_MAC_RXCPL_DOT11_BITS 1 #define BCM_MAX_RXCPL_IFIDX ((1 << BCM_MAC_RXCPL_IFIDX_BITS) - 1) #define BCM_MAC_RXCPL_FLAG_BITS 4 #define BCM_RXCPL_FLAGS_IN_TRANSIT 0x1 #define BCM_RXCPL_FLAGS_FIRST_IN_FLUSHLIST 0x2 #define BCM_RXCPL_FLAGS_RXCPLVALID 0x4 #define BCM_RXCPL_FLAGS_RSVD 0x8 #define BCM_RXCPL_SET_IN_TRANSIT(a) ((a)->rxcpl_id.flags |= BCM_RXCPL_FLAGS_IN_TRANSIT) #define BCM_RXCPL_CLR_IN_TRANSIT(a) ((a)->rxcpl_id.flags &= ~BCM_RXCPL_FLAGS_IN_TRANSIT) #define BCM_RXCPL_IN_TRANSIT(a) ((a)->rxcpl_id.flags & BCM_RXCPL_FLAGS_IN_TRANSIT) #define BCM_RXCPL_SET_FRST_IN_FLUSH(a) ((a)->rxcpl_id.flags |= BCM_RXCPL_FLAGS_FIRST_IN_FLUSHLIST) #define BCM_RXCPL_CLR_FRST_IN_FLUSH(a) ((a)->rxcpl_id.flags &= ~BCM_RXCPL_FLAGS_FIRST_IN_FLUSHLIST) #define BCM_RXCPL_FRST_IN_FLUSH(a) ((a)->rxcpl_id.flags & BCM_RXCPL_FLAGS_FIRST_IN_FLUSHLIST) #define BCM_RXCPL_SET_VALID_INFO(a) ((a)->rxcpl_id.flags |= BCM_RXCPL_FLAGS_RXCPLVALID) #define BCM_RXCPL_CLR_VALID_INFO(a) ((a)->rxcpl_id.flags &= ~BCM_RXCPL_FLAGS_RXCPLVALID) #define BCM_RXCPL_VALID_INFO(a) (((a)->rxcpl_id.flags & BCM_RXCPL_FLAGS_RXCPLVALID) ? TRUE : FALSE) #define UP_TABLE_MAX ((IPV4_TOS_DSCP_MASK >> IPV4_TOS_DSCP_SHIFT) + 1) /* 64 max */ struct reorder_rxcpl_id_list { uint16 head; uint16 tail; uint32 cnt; }; typedef struct rxcpl_id { uint32 idx : BCM_MAC_RXCPL_IDX_BITS; uint32 next_idx : BCM_MAC_RXCPL_IDX_BITS; uint32 ifidx : BCM_MAC_RXCPL_IFIDX_BITS; uint32 dot11 : BCM_MAC_RXCPL_DOT11_BITS; uint32 flags : BCM_MAC_RXCPL_FLAG_BITS; } rxcpl_idx_id_t; typedef struct rxcpl_data_len { uint32 metadata_len_w : 6; uint32 dataoffset: 10; uint32 datalen : 16; } rxcpl_data_len_t; typedef struct rxcpl_info { rxcpl_idx_id_t rxcpl_id; uint32 host_pktref; union { rxcpl_data_len_t rxcpl_len; struct rxcpl_info *free_next; }; } rxcpl_info_t; /* rx completion list */ typedef struct bcm_rxcplid_list { uint32 max; uint32 avail; rxcpl_info_t *rxcpl_ptr; rxcpl_info_t *free_list; } bcm_rxcplid_list_t; extern bool bcm_alloc_rxcplid_list(osl_t *osh, uint32 max); extern rxcpl_info_t * bcm_alloc_rxcplinfo(void); extern void bcm_free_rxcplinfo(rxcpl_info_t *ptr); extern void bcm_chain_rxcplid(uint16 first, uint16 next); extern rxcpl_info_t *bcm_id2rxcplinfo(uint16 id); extern uint16 bcm_rxcplinfo2id(rxcpl_info_t *ptr); extern rxcpl_info_t *bcm_rxcpllist_end(rxcpl_info_t *ptr, uint32 *count); /* externs */ /* packet */ 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 pktsegcnt_war(osl_t *osh, void *p); extern uint8 *pktdataoffset(osl_t *osh, void *p, uint offset); extern void *pktoffset(osl_t *osh, void *p, uint offset); /* Get priority from a packet and pass it back in scb (or equiv) */ #define PKTPRIO_VDSCP 0x100 /* DSCP prio found after VLAN tag */ #define PKTPRIO_VLAN 0x200 /* VLAN prio found */ #define PKTPRIO_UPD 0x400 /* DSCP used to update VLAN prio */ #define PKTPRIO_DSCP 0x800 /* DSCP prio found */ /* DSCP type definitions (RFC4594) */ /* AF1x: High-Throughput Data (RFC2597) */ #define DSCP_AF11 0x0A #define DSCP_AF12 0x0C #define DSCP_AF13 0x0E /* AF2x: Low-Latency Data (RFC2597) */ #define DSCP_AF21 0x12 #define DSCP_AF22 0x14 #define DSCP_AF23 0x16 /* AF3x: Multimedia Streaming (RFC2597) */ #define DSCP_AF31 0x1A #define DSCP_AF32 0x1C #define DSCP_AF33 0x1E /* EF: Telephony (RFC3246) */ #define DSCP_EF 0x2E extern uint pktsetprio(void *pkt, bool update_vtag); extern uint pktsetprio_qms(void *pkt, uint8* up_table, bool update_vtag); extern bool pktgetdscp(uint8 *pktdata, uint pktlen, uint8 *dscp); /* string */ extern int bcm_atoi(const char *s); extern ulong bcm_strtoul(const char *cp, char **endp, uint base); extern char *bcmstrstr(const char *haystack, const char *needle); extern char *bcmstrnstr(const char *s, uint s_len, const char *substr, uint substr_len); 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); extern int bcm_atoicrc(const char *p, int *crc); extern void wipedates(const char *cp, int size); 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); /* ethernet address */ extern char *bcm_ether_ntoa(const struct ether_addr *ea, char *buf); extern int bcm_ether_atoe(const char *p, struct ether_addr *ea); /* ip address */ struct ipv4_addr; extern char *bcm_ip_ntoa(struct ipv4_addr *ia, char *buf); extern char *bcm_ipv6_ntoa(void *ipv6, char *buf); extern int bcm_atoipv4(const char *p, struct ipv4_addr *ip); /* delay */ extern void bcm_mdelay(uint ms); /* variable access */ #define NVRAM_RECLAIM_CHECK(name) 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 TSF_TICKS_PER_MS 1000 #define TS_ENTER 0xdeadbeef /* Timestamp profiling enter */ #define TS_EXIT 0xbeefcafe /* Timestamp profiling exit */ #define bcmtslog(tstamp, fmt, a1, a2) #define bcmprinttslogs() #define bcmprinttstamp(us) #define bcmdumptslog(b) extern char *bcm_nvram_vars(uint *length); extern int bcm_nvram_cache(void *sih); /* Support for sharing code across in-driver iovar implementations. * The intent is that a driver use this structure to map iovar names * to its (private) iovar identifiers, and the lookup function to * find the entry. Macros are provided to map ids and get/set actions * into a single number space for a switch statement. */ /* iovar structure */ typedef struct bcm_iovar { const char *name; /* name for lookup and display */ uint16 varid; /* id for switch */ uint16 flags; /* driver-specific flag bits */ uint16 type; /* base type of argument */ uint16 minlen; /* min length for buffer vars */ } bcm_iovar_t; /* varid definitions are per-driver, may use these get/set bits */ /* IOVar action bits for id mapping */ #define IOV_GET 0 /* Get an iovar */ #define IOV_SET 1 /* Set an iovar */ /* Varid to actionid mapping */ #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) /* flags are per-driver based on driver attributes */ 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 /* BCMDRIVER */ /* Base type definitions */ #define IOVT_VOID 0 /* no value (implictly set only) */ #define IOVT_BOOL 1 /* any value ok (zero/nonzero) */ #define IOVT_INT8 2 /* integer values are range-checked */ #define IOVT_UINT8 3 /* unsigned int 8 bits */ #define IOVT_INT16 4 /* int 16 bits */ #define IOVT_UINT16 5 /* unsigned int 16 bits */ #define IOVT_INT32 6 /* int 32 bits */ #define IOVT_UINT32 7 /* unsigned int 32 bits */ #define IOVT_BUFFER 8 /* buffer is size-checked as per minlen */ #define BCM_IOVT_VALID(type) (((unsigned int)(type)) <= IOVT_BUFFER) /* Initializer for IOV type strings */ #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)) /* ** driver/apps-shared section ** */ #define BCME_STRLEN 64 /* Max string length for BCM errors */ #define VALID_BCMERROR(e) ((e <= 0) && (e >= BCME_LAST)) /* * error codes could be added but the defined ones shouldn't be changed/deleted * these error codes are exposed to the user code * when ever a new error code is added to this list * please update errorstring table with the related error string and * update osl files with os specific errorcode map */ #define BCME_OK 0 /* Success */ #define BCME_ERROR -1 /* Error generic */ #define BCME_BADARG -2 /* Bad Argument */ #define BCME_BADOPTION -3 /* Bad option */ #define BCME_NOTUP -4 /* Not up */ #define BCME_NOTDOWN -5 /* Not down */ #define BCME_NOTAP -6 /* Not AP */ #define BCME_NOTSTA -7 /* Not STA */ #define BCME_BADKEYIDX -8 /* BAD Key Index */ #define BCME_RADIOOFF -9 /* Radio Off */ #define BCME_NOTBANDLOCKED -10 /* Not band locked */ #define BCME_NOCLK -11 /* No Clock */ #define BCME_BADRATESET -12 /* BAD Rate valueset */ #define BCME_BADBAND -13 /* BAD Band */ #define BCME_BUFTOOSHORT -14 /* Buffer too short */ #define BCME_BUFTOOLONG -15 /* Buffer too long */ #define BCME_BUSY -16 /* Busy */ #define BCME_NOTASSOCIATED -17 /* Not Associated */ #define BCME_BADSSIDLEN -18 /* Bad SSID len */ #define BCME_OUTOFRANGECHAN -19 /* Out of Range Channel */ #define BCME_BADCHAN -20 /* Bad Channel */ #define BCME_BADADDR -21 /* Bad Address */ #define BCME_NORESOURCE -22 /* Not Enough Resources */ #define BCME_UNSUPPORTED -23 /* Unsupported */ #define BCME_BADLEN -24 /* Bad length */ #define BCME_NOTREADY -25 /* Not Ready */ #define BCME_EPERM -26 /* Not Permitted */ #define BCME_NOMEM -27 /* No Memory */ #define BCME_ASSOCIATED -28 /* Associated */ #define BCME_RANGE -29 /* Not In Range */ #define BCME_NOTFOUND -30 /* Not Found */ #define BCME_WME_NOT_ENABLED -31 /* WME Not Enabled */ #define BCME_TSPEC_NOTFOUND -32 /* TSPEC Not Found */ #define BCME_ACM_NOTSUPPORTED -33 /* ACM Not Supported */ #define BCME_NOT_WME_ASSOCIATION -34 /* Not WME Association */ #define BCME_SDIO_ERROR -35 /* SDIO Bus Error */ #define BCME_DONGLE_DOWN -36 /* Dongle Not Accessible */ #define BCME_VERSION -37 /* Incorrect version */ #define BCME_TXFAIL -38 /* TX failure */ #define BCME_RXFAIL -39 /* RX failure */ #define BCME_NODEVICE -40 /* Device not present */ #define BCME_NMODE_DISABLED -41 /* NMODE disabled */ #define BCME_NONRESIDENT -42 /* access to nonresident overlay */ #define BCME_SCANREJECT -43 /* reject scan request */ #define BCME_USAGE_ERROR -44 /* WLCMD usage error */ #define BCME_IOCTL_ERROR -45 /* WLCMD ioctl error */ #define BCME_SERIAL_PORT_ERR -46 /* RWL serial port error */ #define BCME_DISABLED -47 /* Disabled in this build */ #define BCME_DECERR -48 /* Decrypt error */ #define BCME_ENCERR -49 /* Encrypt error */ #define BCME_MICERR -50 /* Integrity/MIC error */ #define BCME_REPLAY -51 /* Replay */ #define BCME_IE_NOTFOUND -52 /* IE not found */ #define BCME_DATA_NOTFOUND -53 /* Complete data not found in buffer */ #define BCME_LAST BCME_DATA_NOTFOUND #define BCME_NOTENABLED BCME_DISABLED /* These are collection of BCME Error strings */ #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", \ "Scan Rejected", \ "WLCMD usage error", \ "WLCMD ioctl error", \ "RWL serial port error", \ "Disabled", \ "Decrypt error", \ "Encrypt error", \ "MIC error", \ "Replay", \ "IE not found", \ "Data not found", \ } #ifndef ABS #define ABS(a) (((a) < 0) ? -(a) : (a)) #endif /* ABS */ #ifndef MIN #define MIN(a, b) (((a) < (b)) ? (a) : (b)) #endif /* MIN */ #ifndef MAX #define MAX(a, b) (((a) > (b)) ? (a) : (b)) #endif /* MAX */ /* limit to [min, max] */ #ifndef LIMIT_TO_RANGE #define LIMIT_TO_RANGE(x, min, max) \ ((x) < (min) ? (min) : ((x) > (max) ? (max) : (x))) #endif /* LIMIT_TO_RANGE */ /* limit to max */ #ifndef LIMIT_TO_MAX #define LIMIT_TO_MAX(x, max) \ (((x) > (max) ? (max) : (x))) #endif /* LIMIT_TO_MAX */ /* limit to min */ #ifndef LIMIT_TO_MIN #define LIMIT_TO_MIN(x, min) \ (((x) < (min) ? (min) : (x))) #endif /* LIMIT_TO_MIN */ #define DELTA(curr, prev) ((curr) > (prev) ? ((curr) - (prev)) : \ (0xffffffff - (prev) + (curr) + 1)) #define CEIL(x, y) (((x) + ((y) - 1)) / (y)) #define ROUNDUP(x, y) ((((x) + ((y) - 1)) / (y)) * (y)) #define ROUNDDN(p, align) ((p) & ~((align) - 1)) #define ISALIGNED(a, x) (((uintptr)(a) & ((x) - 1)) == 0) #define ALIGN_ADDR(addr, boundary) (void *)(((uintptr)(addr) + (boundary) - 1) \ & ~((boundary) - 1)) #define ALIGN_SIZE(size, boundary) (((size) + (boundary) - 1) \ & ~((boundary) - 1)) #define ISPOWEROF2(x) ((((x) - 1) & (x)) == 0) #define VALID_MASK(mask) !((mask) & ((mask) + 1)) #ifndef OFFSETOF #ifdef __ARMCC_VERSION /* * The ARM RVCT compiler complains when using OFFSETOF where a constant * expression is expected, such as an initializer for a static object. * offsetof from the runtime library doesn't have that problem. */ #include #define OFFSETOF(type, member) offsetof(type, member) #else # if ((__GNUC__ >= 4) && (__GNUC_MINOR__ >= 8)) /* GCC 4.8+ complains when using our OFFSETOF macro in array length declarations. */ # define OFFSETOF(type, member) __builtin_offsetof(type, member) # else # define OFFSETOF(type, member) ((uint)(uintptr)&((type *)0)->member) # endif /* GCC 4.8 or newer */ #endif /* __ARMCC_VERSION */ #endif /* OFFSETOF */ #ifndef ARRAYSIZE #define ARRAYSIZE(a) (sizeof(a) / sizeof(a[0])) #endif #ifndef ARRAYLAST /* returns pointer to last array element */ #define ARRAYLAST(a) (&a[ARRAYSIZE(a)-1]) #endif /* Reference a function; used to prevent a static function from being optimized out */ extern void *_bcmutils_dummy_fn; #define REFERENCE_FUNCTION(f) (_bcmutils_dummy_fn = (void *)(f)) /* bit map related macros */ #ifndef setbit #ifndef NBBY /* the BSD family defines NBBY */ #define NBBY 8 /* 8 bits per byte */ #endif /* #ifndef NBBY */ #ifdef BCMUTILS_BIT_MACROS_USE_FUNCS extern void setbit(void *array, uint bit); extern void clrbit(void *array, uint bit); extern bool isset(const void *array, uint bit); extern bool isclr(const void *array, uint bit); #else #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 #endif /* setbit */ extern void set_bitrange(void *array, uint start, uint end, uint maxbit); #define isbitset(a, i) (((a) & (1 << (i))) != 0) #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) extern void bcm_bitprint32(const uint32 u32); /* * ---------------------------------------------------------------------------- * Multiword map of 2bits, nibbles * setbit2 setbit4 (void *ptr, uint32 ix, uint32 val) * getbit2 getbit4 (void *ptr, uint32 ix) * ---------------------------------------------------------------------------- */ #define DECLARE_MAP_API(NB, RSH, LSH, OFF, MSK) \ static INLINE void setbit##NB(void *ptr, uint32 ix, uint32 val) \ { \ uint32 *addr = (uint32 *)ptr; \ uint32 *a = addr + (ix >> RSH); /* (ix / 2^RSH) */ \ uint32 pos = (ix & OFF) << LSH; /* (ix % 2^RSH) * 2^LSH */ \ uint32 mask = (MSK << pos); \ uint32 tmp = *a & ~mask; \ *a = tmp | (val << pos); \ } \ static INLINE uint32 getbit##NB(void *ptr, uint32 ix) \ { \ uint32 *addr = (uint32 *)ptr; \ uint32 *a = addr + (ix >> RSH); \ uint32 pos = (ix & OFF) << LSH; \ return ((*a >> pos) & MSK); \ } DECLARE_MAP_API(2, 4, 1, 15U, 0x0003) /* setbit2() and getbit2() */ DECLARE_MAP_API(4, 3, 2, 7U, 0x000F) /* setbit4() and getbit4() */ DECLARE_MAP_API(8, 2, 3, 3U, 0x00FF) /* setbit8() and getbit8() */ /* basic mux operation - can be optimized on several architectures */ #define MUX(pred, true, false) ((pred) ? (true) : (false)) /* modulo inc/dec - assumes x E [0, bound - 1] */ #define MODDEC(x, bound) MUX((x) == 0, (bound) - 1, (x) - 1) #define MODINC(x, bound) MUX((x) == (bound) - 1, 0, (x) + 1) /* modulo inc/dec, bound = 2^k */ #define MODDEC_POW2(x, bound) (((x) - 1) & ((bound) - 1)) #define MODINC_POW2(x, bound) (((x) + 1) & ((bound) - 1)) /* modulo add/sub - assumes x, y E [0, 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)) /* module add/sub, bound = 2^k */ #define MODADD_POW2(x, y, bound) (((x) + (y)) & ((bound) - 1)) #define MODSUB_POW2(x, y, bound) (((x) - (y)) & ((bound) - 1)) /* crc defines */ #define CRC8_INIT_VALUE 0xff /* Initial CRC8 checksum value */ #define CRC8_GOOD_VALUE 0x9f /* Good final CRC8 checksum value */ #define CRC16_INIT_VALUE 0xffff /* Initial CRC16 checksum value */ #define CRC16_GOOD_VALUE 0xf0b8 /* Good final CRC16 checksum value */ #define CRC32_INIT_VALUE 0xffffffff /* Initial CRC32 checksum value */ #define CRC32_GOOD_VALUE 0xdebb20e3 /* Good final CRC32 checksum value */ /* use for direct output of MAC address in printf etc */ #define MACF "%02x:%02x:%02x:%02x:%02x:%02x" #define ETHERP_TO_MACF(ea) ((struct ether_addr *) (ea))->octet[0], \ ((struct ether_addr *) (ea))->octet[1], \ ((struct ether_addr *) (ea))->octet[2], \ ((struct ether_addr *) (ea))->octet[3], \ ((struct ether_addr *) (ea))->octet[4], \ ((struct ether_addr *) (ea))->octet[5] #define ETHER_TO_MACF(ea) (ea).octet[0], \ (ea).octet[1], \ (ea).octet[2], \ (ea).octet[3], \ (ea).octet[4], \ (ea).octet[5] #if !defined(SIMPLE_MAC_PRINT) #define MACDBG "%02x:%02x:%02x:%02x:%02x:%02x" #define MAC2STRDBG(ea) (ea)[0], (ea)[1], (ea)[2], (ea)[3], (ea)[4], (ea)[5] #else #define MACDBG "%02x:%02x:%02x" #define MAC2STRDBG(ea) (ea)[0], (ea)[4], (ea)[5] #endif /* SIMPLE_MAC_PRINT */ /* bcm_format_flags() bit description structure */ typedef struct bcm_bit_desc { uint32 bit; const char* name; } bcm_bit_desc_t; /* bcm_format_field */ typedef struct bcm_bit_desc_ex { uint32 mask; const bcm_bit_desc_t *bitfield; } bcm_bit_desc_ex_t; /* buffer length for ethernet address from bcm_ether_ntoa() */ #define ETHER_ADDR_STR_LEN 18 /* 18-bytes of Ethernet address buffer length */ static INLINE uint32 /* 32bit word aligned xor-32 */ bcm_compute_xor32(volatile uint32 *u32_val, int num_u32) { int idx; uint32 xor32 = 0; for (idx = 0; idx < num_u32; idx++) xor32 ^= *(u32_val + idx); return xor32; } /* crypto utility function */ /* 128-bit xor: *dst = *src1 xor *src2. dst1, src1 and src2 may have any alignment */ 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) { /* ARM CM3 rel time: 1229 (727 if alignment check could be omitted) */ /* x86 supports unaligned. This version runs 6x-9x faster on x86. */ ((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 { /* ARM CM3 rel time: 4668 (4191 if alignment check could be omitted) */ int k; for (k = 0; k < 16; k++) dst[k] = src1[k] ^ src2[k]; } } /* externs */ /* crc */ 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); /* format/print */ #if defined(DHD_DEBUG) || defined(WLMSG_PRHDRS) || defined(WLMSG_PRPKT) || \ defined(WLMSG_ASSOC) /* print out the value a field has: fields may have 1-32 bits and may hold any value */ extern int bcm_format_field(const bcm_bit_desc_ex_t *bd, uint32 field, char* buf, int len); /* print out which bits in flags are set */ extern int bcm_format_flags(const bcm_bit_desc_t *bd, uint32 flags, char* buf, int len); #endif extern int bcm_format_hex(char *str, const void *bytes, int len); 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); /* IE parsing */ /* packing is required if struct is passed across the bus */ #include /* tag_ID/length/value_buffer tuple */ typedef struct bcm_tlv { uint8 id; uint8 len; uint8 data[1]; } bcm_tlv_t; /* bcm tlv w/ 16 bit id/len */ typedef BWL_PRE_PACKED_STRUCT struct bcm_xtlv { uint16 id; uint16 len; uint8 data[1]; } BWL_POST_PACKED_STRUCT bcm_xtlv_t; #include /* descriptor of xtlv data src or dst */ typedef struct { uint16 type; uint16 len; void *ptr; /* ptr to memory location */ } xtlv_desc_t; /* xtlv options */ #define BCM_XTLV_OPTION_NONE 0x0000 #define BCM_XTLV_OPTION_ALIGN32 0x0001 typedef uint16 bcm_xtlv_opts_t; struct bcm_xtlvbuf { bcm_xtlv_opts_t opts; uint16 size; uint8 *head; /* point to head of buffer */ uint8 *buf; /* current position of buffer */ /* allocated buffer may follow, but not necessarily */ }; typedef struct bcm_xtlvbuf bcm_xtlvbuf_t; #define BCM_TLV_MAX_DATA_SIZE (255) #define BCM_XTLV_MAX_DATA_SIZE (65535) #define BCM_TLV_HDR_SIZE (OFFSETOF(bcm_tlv_t, data)) #define BCM_XTLV_HDR_SIZE (OFFSETOF(bcm_xtlv_t, data)) /* LEN only stores the value's length without padding */ #define BCM_XTLV_LEN(elt) ltoh16_ua(&(elt->len)) #define BCM_XTLV_ID(elt) ltoh16_ua(&(elt->id)) /* entire size of the XTLV including header, data, and optional padding */ #define BCM_XTLV_SIZE(elt, opts) bcm_xtlv_size(elt, opts) #define bcm_valid_xtlv(elt, buflen, opts) (elt && ((int)(buflen) >= (int)BCM_XTLV_SIZE(elt, opts))) /* Check that bcm_tlv_t fits into the given buflen */ #define bcm_valid_tlv(elt, buflen) (\ ((int)(buflen) >= (int)BCM_TLV_HDR_SIZE) && \ ((int)(buflen) >= (int)(BCM_TLV_HDR_SIZE + (elt)->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_tlvs_min_bodylen(void *buf, int buflen, uint key, int min_bodylen); extern bcm_tlv_t *bcm_parse_ordered_tlvs(void *buf, int buflen, uint key); extern bcm_tlv_t *bcm_find_vendor_ie(void *tlvs, int tlvs_len, const char *voui, uint8 *type, int type_len); extern uint8 *bcm_write_tlv(int type, const void *data, int datalen, uint8 *dst); extern uint8 *bcm_write_tlv_safe(int type, const void *data, int datalen, uint8 *dst, int dst_maxlen); extern uint8 *bcm_copy_tlv(const void *src, uint8 *dst); extern uint8 *bcm_copy_tlv_safe(const void *src, uint8 *dst, int dst_maxlen); /* xtlv */ /* return the next xtlv element, and update buffer len (remaining). Buffer length * updated includes padding as specified by options */ extern bcm_xtlv_t *bcm_next_xtlv(bcm_xtlv_t *elt, int *buflen, bcm_xtlv_opts_t opts); /* initialize an xtlv buffer. Use options specified for packing/unpacking using * the buffer. Caller is responsible for allocating both buffers. */ extern int bcm_xtlv_buf_init(bcm_xtlvbuf_t *tlv_buf, uint8 *buf, uint16 len, bcm_xtlv_opts_t opts); extern uint16 bcm_xtlv_buf_len(struct bcm_xtlvbuf *tbuf); extern uint16 bcm_xtlv_buf_rlen(struct bcm_xtlvbuf *tbuf); extern uint8 *bcm_xtlv_buf(struct bcm_xtlvbuf *tbuf); extern uint8 *bcm_xtlv_head(struct bcm_xtlvbuf *tbuf); extern int bcm_xtlv_put_data(bcm_xtlvbuf_t *tbuf, uint16 type, const void *data, uint16 dlen); extern int bcm_xtlv_put_8(bcm_xtlvbuf_t *tbuf, uint16 type, const int8 data); extern int bcm_xtlv_put_16(bcm_xtlvbuf_t *tbuf, uint16 type, const int16 data); extern int bcm_xtlv_put_32(bcm_xtlvbuf_t *tbuf, uint16 type, const int32 data); extern int bcm_unpack_xtlv_entry(uint8 **buf, uint16 xpct_type, uint16 xpct_len, void *dst, bcm_xtlv_opts_t opts); extern int bcm_pack_xtlv_entry(uint8 **buf, uint16 *buflen, uint16 type, uint16 len, void *src, bcm_xtlv_opts_t opts); extern int bcm_xtlv_size(const bcm_xtlv_t *elt, bcm_xtlv_opts_t opts); /* callback for unpacking xtlv from a buffer into context. */ typedef int (bcm_xtlv_unpack_cbfn_t)(void *ctx, uint8 *buf, uint16 type, uint16 len); /* unpack a tlv buffer using buffer, options, and callback */ extern int bcm_unpack_xtlv_buf(void *ctx, uint8 *buf, uint16 buflen, bcm_xtlv_opts_t opts, bcm_xtlv_unpack_cbfn_t *cbfn); /* unpack a set of tlvs from the buffer using provided xtlv desc */ extern int bcm_unpack_xtlv_buf_to_mem(void *buf, int *buflen, xtlv_desc_t *items, bcm_xtlv_opts_t opts); /* pack a set of tlvs into buffer using provided xtlv desc */ extern int bcm_pack_xtlv_buf_from_mem(void **buf, uint16 *buflen, xtlv_desc_t *items, bcm_xtlv_opts_t opts); /* return data pointer of a given ID from xtlv buffer * xtlv data length is given to *datalen_out, if the pointer is valid */ extern void *bcm_get_data_from_xtlv_buf(uint8 *tlv_buf, uint16 buflen, uint16 id, uint16 *datalen_out, bcm_xtlv_opts_t opts); /* callback to return next tlv id and len to pack, if there is more tlvs to come and * options e.g. alignment */ typedef bool (*bcm_pack_xtlv_next_info_cbfn_t)(void *ctx, uint16 *tlv_id, uint16 *tlv_len); /* callback to pack the tlv into length validated buffer */ typedef void (*bcm_pack_xtlv_pack_next_cbfn_t)(void *ctx, uint16 tlv_id, uint16 tlv_len, uint8* buf); /* pack a set of tlvs into buffer using get_next to interate */ int bcm_pack_xtlv_buf(void *ctx, void *tlv_buf, uint16 buflen, bcm_xtlv_opts_t opts, bcm_pack_xtlv_next_info_cbfn_t get_next, bcm_pack_xtlv_pack_next_cbfn_t pack_next, int *outlen); /* bcmerror */ extern const char *bcmerrorstr(int bcmerror); /* multi-bool data type: set of bools, mbool is true if any is set */ typedef uint32 mbool; #define mboolset(mb, bit) ((mb) |= (bit)) /* set one bool */ #define mboolclr(mb, bit) ((mb) &= ~(bit)) /* clear one bool */ #define mboolisset(mb, bit) (((mb) & (bit)) != 0) /* TRUE if one bool is set */ #define mboolmaskset(mb, mask, val) ((mb) = (((mb) & ~(mask)) | (val))) /* generic datastruct to help dump routines */ struct fielddesc { const char *nameandfmt; uint32 offset; uint32 len; }; extern void bcm_binit(struct bcmstrbuf *b, char *buf, uint size); extern void bcm_bprhex(struct bcmstrbuf *b, const char *msg, bool newline, const uint8 *buf, int len); extern void bcm_inc_bytes(uchar *num, int num_bytes, uint8 amount); extern int bcm_cmp_bytes(const uchar *arg1, const uchar *arg2, uint8 nbytes); extern void bcm_print_bytes(const 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_bitcount(uint8 *bitmap, uint bytelength); extern int bcm_bprintf(struct bcmstrbuf *b, const char *fmt, ...); /* power conversion */ extern uint16 bcm_qdbm_to_mw(uint8 qdbm); extern uint8 bcm_mw_to_qdbm(uint16 mw); extern uint bcm_mkiovar(const char *name, char *data, uint datalen, char *buf, uint len); unsigned int process_nvram_vars(char *varbuf, unsigned int len); /* trace any object allocation / free, with / without features (flags) set to the object */ #define BCM_OBJDBG_ADD 1 #define BCM_OBJDBG_REMOVE 2 #define BCM_OBJDBG_ADD_PKT 3 /* object feature: set or clear flags */ #define BCM_OBJECT_FEATURE_FLAG 1 #define BCM_OBJECT_FEATURE_PKT_STATE 2 /* object feature: flag bits */ #define BCM_OBJECT_FEATURE_0 (1 << 0) #define BCM_OBJECT_FEATURE_1 (1 << 1) #define BCM_OBJECT_FEATURE_2 (1 << 2) /* object feature: clear flag bits field set with this flag */ #define BCM_OBJECT_FEATURE_CLEAR (1 << 31) #ifdef BCM_OBJECT_TRACE #define bcm_pkt_validate_chk(obj) do { \ void * pkttag; \ bcm_object_trace_chk(obj, 0, 0, \ __FUNCTION__, __LINE__); \ if ((pkttag = PKTTAG(obj))) { \ bcm_object_trace_chk(obj, 1, DHD_PKTTAG_SN(pkttag), \ __FUNCTION__, __LINE__); \ } \ } while (0) extern void bcm_object_trace_opr(void *obj, uint32 opt, const char *caller, int line); extern void bcm_object_trace_upd(void *obj, void *obj_new); extern void bcm_object_trace_chk(void *obj, uint32 chksn, uint32 sn, const char *caller, int line); extern void bcm_object_feature_set(void *obj, uint32 type, uint32 value); extern int bcm_object_feature_get(void *obj, uint32 type, uint32 value); extern void bcm_object_trace_init(void); extern void bcm_object_trace_deinit(void); #else #define bcm_pkt_validate_chk(obj) #define bcm_object_trace_opr(a, b, c, d) #define bcm_object_trace_upd(a, b) #define bcm_object_trace_chk(a, b, c, d, e) #define bcm_object_feature_set(a, b, c) #define bcm_object_feature_get(a, b, c) #define bcm_object_trace_init() #define bcm_object_trace_deinit() #endif /* BCM_OBJECT_TRACE */ /* calculate a * b + c */ extern void bcm_uint64_multiple_add(uint32* r_high, uint32* r_low, uint32 a, uint32 b, uint32 c); /* calculate a / b */ extern void bcm_uint64_divide(uint32* r, uint32 a_high, uint32 a_low, uint32 b); /* Public domain bit twiddling hacks/utilities: Sean Eron Anderson */ /* Table driven count set bits. */ static const uint8 /* Table only for use by bcm_cntsetbits */ _CSBTBL[256] = { # define B2(n) n, n + 1, n + 1, n + 2 # define B4(n) B2(n), B2(n + 1), B2(n + 1), B2(n + 2) # define B6(n) B4(n), B4(n + 1), B4(n + 1), B4(n + 2) B6(0), B6(0 + 1), B6(0 + 1), B6(0 + 2) }; static INLINE uint32 /* Uses table _CSBTBL for fast counting of 1's in a u32 */ bcm_cntsetbits(const uint32 u32arg) { /* function local scope declaration of const _CSBTBL[] */ const uint8 * p = (const uint8 *)&u32arg; return (_CSBTBL[p[0]] + _CSBTBL[p[1]] + _CSBTBL[p[2]] + _CSBTBL[p[3]]); } static INLINE int /* C equivalent count of leading 0's in a u32 */ C_bcm_count_leading_zeros(uint32 u32arg) { int shifts = 0; while (u32arg) { shifts++; u32arg >>= 1; } return (32U - shifts); } #ifdef BCMDRIVER /* * Assembly instructions: Count Leading Zeros * "clz" : MIPS, ARM * "cntlzw" : PowerPC * "BSF" : x86 * "lzcnt" : AMD, SPARC */ #if defined(__arm__) #if defined(__ARM_ARCH_7M__) /* Cortex M3 */ #define __USE_ASM_CLZ__ #endif /* __ARM_ARCH_7M__ */ #if defined(__ARM_ARCH_7R__) /* Cortex R4 */ #define __USE_ASM_CLZ__ #endif /* __ARM_ARCH_7R__ */ #endif /* __arm__ */ static INLINE int bcm_count_leading_zeros(uint32 u32arg) { #if defined(__USE_ASM_CLZ__) int zeros; __asm__ volatile("clz %0, %1 \n" : "=r" (zeros) : "r" (u32arg)); return zeros; #else /* C equivalent */ return C_bcm_count_leading_zeros(u32arg); #endif /* C equivalent */ } /* * Macro to count leading zeroes * */ #if defined(__GNUC__) #define CLZ(x) __builtin_clzl(x) #elif defined(__arm__) #define CLZ(x) __clz(x) #else #define CLZ(x) bcm_count_leading_zeros(x) #endif /* __GNUC__ */ /* INTERFACE: Multiword bitmap based small id allocator. */ struct bcm_mwbmap; /* forward declaration for use as an opaque mwbmap handle */ #define BCM_MWBMAP_INVALID_HDL ((struct bcm_mwbmap *)NULL) #define BCM_MWBMAP_INVALID_IDX ((uint32)(~0U)) /* Incarnate a multiword bitmap based small index allocator */ extern struct bcm_mwbmap * bcm_mwbmap_init(osl_t * osh, uint32 items_max); /* Free up the multiword bitmap index allocator */ extern void bcm_mwbmap_fini(osl_t * osh, struct bcm_mwbmap * mwbmap_hdl); /* Allocate a unique small index using a multiword bitmap index allocator */ extern uint32 bcm_mwbmap_alloc(struct bcm_mwbmap * mwbmap_hdl); /* Force an index at a specified position to be in use */ extern void bcm_mwbmap_force(struct bcm_mwbmap * mwbmap_hdl, uint32 bitix); /* Free a previously allocated index back into the multiword bitmap allocator */ extern void bcm_mwbmap_free(struct bcm_mwbmap * mwbmap_hdl, uint32 bitix); /* Fetch the toal number of free indices in the multiword bitmap allocator */ extern uint32 bcm_mwbmap_free_cnt(struct bcm_mwbmap * mwbmap_hdl); /* Determine whether an index is inuse or free */ extern bool bcm_mwbmap_isfree(struct bcm_mwbmap * mwbmap_hdl, uint32 bitix); /* Debug dump a multiword bitmap allocator */ extern void bcm_mwbmap_show(struct bcm_mwbmap * mwbmap_hdl); extern void bcm_mwbmap_audit(struct bcm_mwbmap * mwbmap_hdl); /* End - Multiword bitmap based small Id allocator. */ /* INTERFACE: Simple unique 16bit Id Allocator using a stack implementation. */ #define ID16_INVALID ((uint16)(~0)) #define ID16_UNDEFINED (ID16_INVALID) /* * Construct a 16bit id allocator, managing 16bit ids in the range: * [start_val16 .. start_val16+total_ids) * Note: start_val16 is inclusive. * Returns an opaque handle to the 16bit id allocator. */ extern void * id16_map_init(osl_t *osh, uint16 total_ids, uint16 start_val16); extern void * id16_map_fini(osl_t *osh, void * id16_map_hndl); extern void id16_map_clear(void * id16_map_hndl, uint16 total_ids, uint16 start_val16); /* Allocate a unique 16bit id */ extern uint16 id16_map_alloc(void * id16_map_hndl); /* Free a 16bit id value into the id16 allocator */ extern void id16_map_free(void * id16_map_hndl, uint16 val16); /* Get the number of failures encountered during id allocation. */ extern uint32 id16_map_failures(void * id16_map_hndl); /* Audit the 16bit id allocator state. */ extern bool id16_map_audit(void * id16_map_hndl); /* End - Simple 16bit Id Allocator. */ #endif /* BCMDRIVER */ extern void bcm_uint64_right_shift(uint32* r, uint32 a_high, uint32 a_low, uint32 b); void bcm_add_64(uint32* r_hi, uint32* r_lo, uint32 offset); void bcm_sub_64(uint32* r_hi, uint32* r_lo, uint32 offset); /* calculate checksum for ip header, tcp / udp header / data */ uint16 bcm_ip_cksum(uint8 *buf, uint32 len, uint32 sum); #ifndef _dll_t_ #define _dll_t_ /* * ----------------------------------------------------------------------------- * Double Linked List Macros * ----------------------------------------------------------------------------- * * All dll operations must be performed on a pre-initialized node. * Inserting an uninitialized node into a list effectively initialized it. * * When a node is deleted from a list, you may initialize it to avoid corruption * incurred by double deletion. You may skip initialization if the node is * immediately inserted into another list. * * By placing a dll_t element at the start of a struct, you may cast a dll_t * * to the struct or vice versa. * * Example of declaring an initializing someList and inserting nodeA, nodeB * * typedef struct item { * dll_t node; * int someData; * } Item_t; * Item_t nodeA, nodeB, nodeC; * nodeA.someData = 11111, nodeB.someData = 22222, nodeC.someData = 33333; * * dll_t someList; * dll_init(&someList); * * dll_append(&someList, (dll_t *) &nodeA); * dll_prepend(&someList, &nodeB.node); * dll_insert((dll_t *)&nodeC, &nodeA.node); * * dll_delete((dll_t *) &nodeB); * * Example of a for loop to walk someList of node_p * * extern void mydisplay(Item_t * item_p); * * dll_t * item_p, * next_p; * for (item_p = dll_head_p(&someList); ! dll_end(&someList, item_p); * item_p = next_p) * { * next_p = dll_next_p(item_p); * ... use item_p at will, including removing it from list ... * mydisplay((PItem_t)item_p); * } * * ----------------------------------------------------------------------------- */ typedef struct dll { struct dll * next_p; struct dll * prev_p; } dll_t; static INLINE void dll_init(dll_t *node_p) { node_p->next_p = node_p; node_p->prev_p = node_p; } /* dll macros returing a pointer to dll_t */ static INLINE dll_t * dll_head_p(dll_t *list_p) { return list_p->next_p; } static INLINE dll_t * dll_tail_p(dll_t *list_p) { return (list_p)->prev_p; } static INLINE dll_t * dll_next_p(dll_t *node_p) { return (node_p)->next_p; } static INLINE dll_t * dll_prev_p(dll_t *node_p) { return (node_p)->prev_p; } static INLINE bool dll_empty(dll_t *list_p) { return ((list_p)->next_p == (list_p)); } static INLINE bool dll_end(dll_t *list_p, dll_t * node_p) { return (list_p == node_p); } /* inserts the node new_p "after" the node at_p */ static INLINE void dll_insert(dll_t *new_p, dll_t * at_p) { new_p->next_p = at_p->next_p; new_p->prev_p = at_p; at_p->next_p = new_p; (new_p->next_p)->prev_p = new_p; } static INLINE void dll_append(dll_t *list_p, dll_t *node_p) { dll_insert(node_p, dll_tail_p(list_p)); } static INLINE void dll_prepend(dll_t *list_p, dll_t *node_p) { dll_insert(node_p, list_p); } /* deletes a node from any list that it "may" be in, if at all. */ static INLINE void dll_delete(dll_t *node_p) { node_p->prev_p->next_p = node_p->next_p; node_p->next_p->prev_p = node_p->prev_p; } #endif /* ! defined(_dll_t_) */ /* Elements managed in a double linked list */ typedef struct dll_pool { dll_t free_list; uint16 free_count; uint16 elems_max; uint16 elem_size; dll_t elements[1]; } dll_pool_t; dll_pool_t * dll_pool_init(void * osh, uint16 elems_max, uint16 elem_size); void * dll_pool_alloc(dll_pool_t * dll_pool_p); void dll_pool_free(dll_pool_t * dll_pool_p, void * elem_p); void dll_pool_free_tail(dll_pool_t * dll_pool_p, void * elem_p); typedef void (* dll_elem_dump)(void * elem_p); void dll_pool_detach(void * osh, dll_pool_t * pool, uint16 elems_max, uint16 elem_size); #ifdef __cplusplus } #endif /* #define DEBUG_COUNTER */ #ifdef DEBUG_COUNTER #define CNTR_TBL_MAX 10 typedef struct _counter_tbl_t { char name[16]; /* name of this counter table */ uint32 prev_log_print; /* Internal use. Timestamp of the previous log print */ uint log_print_interval; /* Desired interval to print logs in ms */ uint needed_cnt; /* How many counters need to be used */ uint32 cnt[CNTR_TBL_MAX]; /* Counting entries to increase at desired places */ bool enabled; /* Whether to enable printing log */ } counter_tbl_t; void counter_printlog(counter_tbl_t *ctr_tbl); #endif /* DEBUG_COUNTER */ /* Given a number 'n' returns 'm' that is next larger power of 2 after n */ static INLINE uint32 next_larger_power2(uint32 num) { num--; num |= (num >> 1); num |= (num >> 2); num |= (num >> 4); num |= (num >> 8); num |= (num >> 16); return (num + 1); } #endif /* _bcmutils_h_ */