mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-30 06:27:34 +02:00
8ca31559ad
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@2261 3c298f89-4303-0410-b956-a3cf2f4a3e73
158 lines
5.5 KiB
C
158 lines
5.5 KiB
C
/*
|
|
* 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_ */
|