openwrt/upstream - upstream openwrt

	Commit message (Expand)	Author	Age	Files	Lines
*	Added OpenWRT-specific field to imagetag so that we can record the real root ...	Daniel Dickinson	2010-12-26	1	-2/+3
*	tools/firmware-utils/imagetag: Fixed Pirelli Alice Gate CRC calculation in im...	Daniel Dickinson	2010-04-14	1	-2/+2
*	[brcm63xx] flashmap and image generation: reduced union bcm_tag to a single s...	Florian Fainelli	2010-04-01	1	-164/+55
*	[brcm63xx] move bcm_tag.h out of the flashmap patch so that user-land tools c...	Florian Fainelli	2010-03-28	1	-0/+178
*	[brcm63xx] move files to files-2.6.30, to ease newer kernel integration	Florian Fainelli	2010-01-31	1	-1/+0
*	[brcm63xx] add experimental support for 2.6.28.10, tested on bcm6338	Florian Fainelli	2009-07-30	1	-0/+1

/* * Misc useful os-independent macros and functions. * * Copyright 2004, Broadcom Corporation * All Rights Reserved. * * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE. * $Id$ */ #ifndef _bcmutils_h_ #define _bcmutils_h_ #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) ((((ulong)(x)+((y)-1))/(y))*(y)) #define ISALIGNED(a, x) (((uint)(a) & ((x)-1)) == 0) #define ISPOWEROF2(x) ((((x)-1)&(x))==0) #define OFFSETOF(type, member) ((uint) &((type *)0)->member) #define ARRAYSIZE(a) (sizeof(a)/sizeof(a[0])) /* bit map related macros */ #ifndef setbit #define NBBY 8 /* 8 bits per byte */ #define setbit(a,i) ((a)[(i)/NBBY] |= 1<<((i)%NBBY)) #define clrbit(a,i) ((a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) #define isset(a,i) ((a)[(i)/NBBY] & (1<<((i)%NBBY))) #define isclr(a,i) (((a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) #endif #define NBITS(type) (sizeof (type) * 8) #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 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) /* * 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. */ #define SPINWAIT(exp, us) { \ uint countdown = (us) + 9; \ while ((exp) && (countdown >= 10)) {\ OSL_DELAY(10); \ countdown -= 10; \ } \ } /* generic osl packet queue */ struct pktq { void *head; /* first packet to dequeue */ void *tail; /* last packet to dequeue */ uint len; /* number of queued packets */ uint maxlen; /* maximum number of queued packets */ bool priority; /* enqueue by packet priority */ }; #define DEFAULT_QLEN 128 #define pktq_len(q) ((q)->len) #define pktq_avail(q) ((q)->maxlen - (q)->len) #define pktq_head(q) ((q)->head) #define pktq_full(q) ((q)->len >= (q)->maxlen) /* 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 */ /* tag_ID/length/value_buffer tuple */ typedef struct bcm_tlv { uint8 id; uint8 len; uint8 data[1]; } bcm_tlv_t; /* Check that bcm_tlv_t fits into the given buflen */ #define bcm_valid_tlv(elt, buflen) ((buflen) >= 2 && (buflen) >= 2 + (elt)->len) /* buffer length for ethernet address from bcm_ether_ntoa() */ #define ETHER_ADDR_STR_LEN 18 /* * load 32-bit value from unaligned byte array */ #ifdef IL_BIGENDIAN #define load32_ua(a) ((((uint8 *)(a))[0] << 24) + (((uint8 *)(a))[1] << 16) + \ (((uint8 *)(a))[2] << 8) + ((uint8 *)(a))[3]) #else #define load32_ua(a) ((((uint8 *)(a))[3] << 24) + (((uint8 *)(a))[2] << 16) + \ (((uint8 *)(a))[1] << 8) + ((uint8 *)(a))[0]) #endif /* externs */ extern uint bcm_atoi(char *s); extern uchar bcm_toupper(uchar c); extern ulong bcm_strtoul(char *cp, char **endp, uint base); extern void deadbeef(char *p, uint len); extern void prhex(char *msg, uchar *buf, uint len); extern void prpkt(char *msg, void *drv, void *p0); extern uint pktcopy(void *drv, void *p, uint offset, int len, uchar *buf); extern uint pkttotlen(void *drv, void *); extern uchar *bcm_ether_ntoa(char *ea, char *buf); extern int bcm_ether_atoe(char *p, char *ea); extern void bcm_mdelay(uint ms); extern char *getvar(char *vars, char *name); extern int getintvar(char *vars, char *name); extern char *bcmstrstr(char *haystack, char *needle); extern uint8 crc8(uint8 *p, uint nbytes, uint8 crc); extern uint16 crc16(uint8 *p, uint nbytes, uint16 crc); extern uint32 crc32(uint8 *p, uint nbytes, uint32 crc); 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 void pktq_init(struct pktq *q, uint maxlen, bool priority); extern bool pktenq(struct pktq *q, void *p, bool lifo); extern void *pktdeq(struct pktq *q); #define bcmlog(fmt, a1, a2) #define bcmdumplog(buf, size) *buf = '\0' #define bcmdumplogent(buf, idx) -1 #endif /* _bcmutils_h_ */