diff options
Diffstat (limited to 'drivers/net/wireless/brcm80211/include/brcmu_utils.h')
| -rw-r--r-- | drivers/net/wireless/brcm80211/include/brcmu_utils.h | 227 |
1 files changed, 0 insertions, 227 deletions
diff --git a/drivers/net/wireless/brcm80211/include/brcmu_utils.h b/drivers/net/wireless/brcm80211/include/brcmu_utils.h deleted file mode 100644 index 41969527b..000000000 --- a/drivers/net/wireless/brcm80211/include/brcmu_utils.h +++ /dev/null @@ -1,227 +0,0 @@ -/* - * Copyright (c) 2010 Broadcom Corporation - * - * Permission to use, copy, modify, and/or distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#ifndef _BRCMU_UTILS_H_ -#define _BRCMU_UTILS_H_ - -#include <linux/skbuff.h> - -/* - * 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)) {\ - udelay(10); \ - countdown -= 10; \ - } \ -} - -/* osl multi-precedence packet queue */ -#define PKTQ_LEN_DEFAULT 128 /* Max 128 packets */ -#define PKTQ_MAX_PREC 16 /* Maximum precedence levels */ - -#define BCME_STRLEN 64 /* Max string length for BCM errors */ - -/* the largest reasonable packet buffer driver uses for ethernet MTU in bytes */ -#define PKTBUFSZ 2048 - -#ifndef setbit -#ifndef NBBY /* the BSD family defines NBBY */ -#define NBBY 8 /* 8 bits per byte */ -#endif /* #ifndef NBBY */ -#define setbit(a, i) (((u8 *)a)[(i)/NBBY] |= 1<<((i)%NBBY)) -#define clrbit(a, i) (((u8 *)a)[(i)/NBBY] &= ~(1<<((i)%NBBY))) -#define isset(a, i) (((const u8 *)a)[(i)/NBBY] & (1<<((i)%NBBY))) -#define isclr(a, i) ((((const u8 *)a)[(i)/NBBY] & (1<<((i)%NBBY))) == 0) -#endif /* setbit */ - -#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) - -/* crc defines */ -#define CRC16_INIT_VALUE 0xffff /* Initial CRC16 checksum value */ -#define CRC16_GOOD_VALUE 0xf0b8 /* Good final CRC16 checksum value */ - -/* 18-bytes of Ethernet address buffer length */ -#define ETHER_ADDR_STR_LEN 18 - -struct pktq_prec { - struct sk_buff_head skblist; - u16 max; /* maximum number of queued packets */ -}; - -/* multi-priority pkt queue */ -struct pktq { - u16 num_prec; /* number of precedences in use */ - u16 hi_prec; /* rapid dequeue hint (>= highest non-empty prec) */ - u16 max; /* total max packets */ - u16 len; /* total number of packets */ - /* - * q array must be last since # of elements can be either - * PKTQ_MAX_PREC or 1 - */ - struct pktq_prec q[PKTQ_MAX_PREC]; -}; - -/* operations on a specific precedence in packet queue */ - -static inline int pktq_plen(struct pktq *pq, int prec) -{ - return pq->q[prec].skblist.qlen; -} - -static inline int pktq_pavail(struct pktq *pq, int prec) -{ - return pq->q[prec].max - pq->q[prec].skblist.qlen; -} - -static inline bool pktq_pfull(struct pktq *pq, int prec) -{ - return pq->q[prec].skblist.qlen >= pq->q[prec].max; -} - -static inline bool pktq_pempty(struct pktq *pq, int prec) -{ - return skb_queue_empty(&pq->q[prec].skblist); -} - -static inline struct sk_buff *pktq_ppeek(struct pktq *pq, int prec) -{ - return skb_peek(&pq->q[prec].skblist); -} - -static inline struct sk_buff *pktq_ppeek_tail(struct pktq *pq, int prec) -{ - return skb_peek_tail(&pq->q[prec].skblist); -} - -struct sk_buff *brcmu_pktq_penq(struct pktq *pq, int prec, struct sk_buff *p); -struct sk_buff *brcmu_pktq_penq_head(struct pktq *pq, int prec, - struct sk_buff *p); -struct sk_buff *brcmu_pktq_pdeq(struct pktq *pq, int prec); -struct sk_buff *brcmu_pktq_pdeq_tail(struct pktq *pq, int prec); -struct sk_buff *brcmu_pktq_pdeq_match(struct pktq *pq, int prec, - bool (*match_fn)(struct sk_buff *p, - void *arg), - void *arg); - -/* packet primitives */ -struct sk_buff *brcmu_pkt_buf_get_skb(uint len); -void brcmu_pkt_buf_free_skb(struct sk_buff *skb); - -/* Empty the queue at particular precedence level */ -/* callback function fn(pkt, arg) returns true if pkt belongs to if */ -void brcmu_pktq_pflush(struct pktq *pq, int prec, bool dir, - bool (*fn)(struct sk_buff *, void *), void *arg); - -/* operations on a set of precedences in packet queue */ - -int brcmu_pktq_mlen(struct pktq *pq, uint prec_bmp); -struct sk_buff *brcmu_pktq_mdeq(struct pktq *pq, uint prec_bmp, int *prec_out); - -/* operations on packet queue as a whole */ - -static inline int pktq_len(struct pktq *pq) -{ - return (int)pq->len; -} - -static inline int pktq_max(struct pktq *pq) -{ - return (int)pq->max; -} - -static inline int pktq_avail(struct pktq *pq) -{ - return (int)(pq->max - pq->len); -} - -static inline bool pktq_full(struct pktq *pq) -{ - return pq->len >= pq->max; -} - -static inline bool pktq_empty(struct pktq *pq) -{ - return pq->len == 0; -} - -void brcmu_pktq_init(struct pktq *pq, int num_prec, int max_len); -/* prec_out may be NULL if caller is not interested in return value */ -struct sk_buff *brcmu_pktq_peek_tail(struct pktq *pq, int *prec_out); -void brcmu_pktq_flush(struct pktq *pq, bool dir, - bool (*fn)(struct sk_buff *, void *), void *arg); - -/* externs */ -/* ip address */ -struct ipv4_addr; - -/* - * bitfield macros using masking and shift - * - * remark: the mask parameter should be a shifted mask. - */ -static inline void brcmu_maskset32(u32 *var, u32 mask, u8 shift, u32 value) -{ - value = (value << shift) & mask; - *var = (*var & ~mask) | value; -} -static inline u32 brcmu_maskget32(u32 var, u32 mask, u8 shift) -{ - return (var & mask) >> shift; -} -static inline void brcmu_maskset16(u16 *var, u16 mask, u8 shift, u16 value) -{ - value = (value << shift) & mask; - *var = (*var & ~mask) | value; -} -static inline u16 brcmu_maskget16(u16 var, u16 mask, u8 shift) -{ - return (var & mask) >> shift; -} - -/* externs */ -/* format/print */ -#ifdef DEBUG -void brcmu_prpkt(const char *msg, struct sk_buff *p0); -#else -#define brcmu_prpkt(a, b) -#endif /* DEBUG */ - -#ifdef DEBUG -__printf(3, 4) -void brcmu_dbg_hex_dump(const void *data, size_t size, const char *fmt, ...); -#else -__printf(3, 4) -static inline -void brcmu_dbg_hex_dump(const void *data, size_t size, const char *fmt, ...) -{ -} -#endif - -#define BRCMU_BOARDREV_LEN 8 -#define BRCMU_DOTREV_LEN 16 - -char *brcmu_boardrev_str(u32 brev, char *buf); -char *brcmu_dotrev_str(u32 dotrev, char *buf); - -#endif /* _BRCMU_UTILS_H_ */ |