diff options
Diffstat (limited to 'drivers/staging/brcm80211/brcmutil')
| -rw-r--r-- | drivers/staging/brcm80211/brcmutil/utils.c | 110 | ||||
| -rw-r--r-- | drivers/staging/brcm80211/brcmutil/wifi.c | 37 |
2 files changed, 33 insertions, 114 deletions
diff --git a/drivers/staging/brcm80211/brcmutil/utils.c b/drivers/staging/brcm80211/brcmutil/utils.c index 37b6b7797793..6280ec15f340 100644 --- a/drivers/staging/brcm80211/brcmutil/utils.c +++ b/drivers/staging/brcm80211/brcmutil/utils.c @@ -219,7 +219,7 @@ EXPORT_SYMBOL(brcmu_pktq_pdeq_tail); void brcmu_pktq_pflush(struct pktq *pq, int prec, bool dir, - ifpkt_cb_t fn, void *arg) + bool (*fn)(struct sk_buff *, void *), void *arg) { struct pktq_prec *q; struct sk_buff *p, *prev = NULL; @@ -244,14 +244,13 @@ brcmu_pktq_pflush(struct pktq *pq, int prec, bool dir, } } - if (q->head == NULL) { + if (q->head == NULL) q->tail = NULL; - } } EXPORT_SYMBOL(brcmu_pktq_pflush); void brcmu_pktq_flush(struct pktq *pq, bool dir, - ifpkt_cb_t fn, void *arg) + bool (*fn)(struct sk_buff *, void *), void *arg) { int prec; for (prec = 0; prec < pq->num_prec; prec++) @@ -350,21 +349,6 @@ struct sk_buff *brcmu_pktq_mdeq(struct pktq *pq, uint prec_bmp, } EXPORT_SYMBOL(brcmu_pktq_mdeq); -/* parse a xx:xx:xx:xx:xx:xx format ethernet address */ -int brcmu_ether_atoe(char *p, u8 *ea) -{ - int i = 0; - - for (;;) { - ea[i++] = (char)simple_strtoul(p, &p, 16); - if (!*p++ || i == 6) - break; - } - - return i == 6; -} -EXPORT_SYMBOL(brcmu_ether_atoe); - #if defined(BCMDBG) /* pretty hex print a pkt buffer chain */ void brcmu_prpkt(const char *msg, struct sk_buff *p0) @@ -419,26 +403,23 @@ int brcmu_iovar_lencheck(const struct brcmu_iovar *vi, void *arg, int len, case IOVT_UINT16: case IOVT_UINT32: /* all integers are s32 sized args at the ioctl interface */ - if (len < (int)sizeof(int)) { + if (len < (int)sizeof(int)) bcmerror = -EOVERFLOW; - } break; case IOVT_BUFFER: /* buffer must meet minimum length requirement */ - if (len < vi->minlen) { + if (len < vi->minlen) bcmerror = -EOVERFLOW; - } break; case IOVT_VOID: - if (!set) { + if (!set) /* Cannot return nil... */ bcmerror = -ENOTSUPP; - } else if (len) { + else if (len) /* Set is an action w/o parameters */ bcmerror = -ENOBUFS; - } break; default: @@ -450,75 +431,6 @@ int brcmu_iovar_lencheck(const struct brcmu_iovar *vi, void *arg, int len, } EXPORT_SYMBOL(brcmu_iovar_lencheck); -/******************************************************************************* - * crc8 - * - * Computes a crc8 over the input data using the polynomial: - * - * x^8 + x^7 +x^6 + x^4 + x^2 + 1 - * - * The caller provides the initial value (either CRC8_INIT_VALUE - * or the previous returned value) to allow for processing of - * discontiguous blocks of data. When generating the CRC the - * caller is responsible for complementing the final return value - * and inserting it into the byte stream. When checking, a final - * return value of CRC8_GOOD_VALUE indicates a valid CRC. - * - * Reference: Dallas Semiconductor Application Note 27 - * Williams, Ross N., "A Painless Guide to CRC Error Detection Algorithms", - * ver 3, Aug 1993, ross@guest.adelaide.edu.au, Rocksoft Pty Ltd., - * ftp://ftp.rocksoft.com/clients/rocksoft/papers/crc_v3.txt - * - * **************************************************************************** - */ - -static const u8 crc8_table[256] = { - 0x00, 0xF7, 0xB9, 0x4E, 0x25, 0xD2, 0x9C, 0x6B, - 0x4A, 0xBD, 0xF3, 0x04, 0x6F, 0x98, 0xD6, 0x21, - 0x94, 0x63, 0x2D, 0xDA, 0xB1, 0x46, 0x08, 0xFF, - 0xDE, 0x29, 0x67, 0x90, 0xFB, 0x0C, 0x42, 0xB5, - 0x7F, 0x88, 0xC6, 0x31, 0x5A, 0xAD, 0xE3, 0x14, - 0x35, 0xC2, 0x8C, 0x7B, 0x10, 0xE7, 0xA9, 0x5E, - 0xEB, 0x1C, 0x52, 0xA5, 0xCE, 0x39, 0x77, 0x80, - 0xA1, 0x56, 0x18, 0xEF, 0x84, 0x73, 0x3D, 0xCA, - 0xFE, 0x09, 0x47, 0xB0, 0xDB, 0x2C, 0x62, 0x95, - 0xB4, 0x43, 0x0D, 0xFA, 0x91, 0x66, 0x28, 0xDF, - 0x6A, 0x9D, 0xD3, 0x24, 0x4F, 0xB8, 0xF6, 0x01, - 0x20, 0xD7, 0x99, 0x6E, 0x05, 0xF2, 0xBC, 0x4B, - 0x81, 0x76, 0x38, 0xCF, 0xA4, 0x53, 0x1D, 0xEA, - 0xCB, 0x3C, 0x72, 0x85, 0xEE, 0x19, 0x57, 0xA0, - 0x15, 0xE2, 0xAC, 0x5B, 0x30, 0xC7, 0x89, 0x7E, - 0x5F, 0xA8, 0xE6, 0x11, 0x7A, 0x8D, 0xC3, 0x34, - 0xAB, 0x5C, 0x12, 0xE5, 0x8E, 0x79, 0x37, 0xC0, - 0xE1, 0x16, 0x58, 0xAF, 0xC4, 0x33, 0x7D, 0x8A, - 0x3F, 0xC8, 0x86, 0x71, 0x1A, 0xED, 0xA3, 0x54, - 0x75, 0x82, 0xCC, 0x3B, 0x50, 0xA7, 0xE9, 0x1E, - 0xD4, 0x23, 0x6D, 0x9A, 0xF1, 0x06, 0x48, 0xBF, - 0x9E, 0x69, 0x27, 0xD0, 0xBB, 0x4C, 0x02, 0xF5, - 0x40, 0xB7, 0xF9, 0x0E, 0x65, 0x92, 0xDC, 0x2B, - 0x0A, 0xFD, 0xB3, 0x44, 0x2F, 0xD8, 0x96, 0x61, - 0x55, 0xA2, 0xEC, 0x1B, 0x70, 0x87, 0xC9, 0x3E, - 0x1F, 0xE8, 0xA6, 0x51, 0x3A, 0xCD, 0x83, 0x74, - 0xC1, 0x36, 0x78, 0x8F, 0xE4, 0x13, 0x5D, 0xAA, - 0x8B, 0x7C, 0x32, 0xC5, 0xAE, 0x59, 0x17, 0xE0, - 0x2A, 0xDD, 0x93, 0x64, 0x0F, 0xF8, 0xB6, 0x41, - 0x60, 0x97, 0xD9, 0x2E, 0x45, 0xB2, 0xFC, 0x0B, - 0xBE, 0x49, 0x07, 0xF0, 0x9B, 0x6C, 0x22, 0xD5, - 0xF4, 0x03, 0x4D, 0xBA, 0xD1, 0x26, 0x68, 0x9F -}; - -u8 brcmu_crc8(u8 *pdata, /* pointer to array of data to process */ - uint nbytes, /* number of input data bytes to process */ - u8 crc /* either CRC8_INIT_VALUE or previous return value */ - ) { - /* loop over the buffer data */ - while (nbytes-- > 0) - crc = crc8_table[(crc ^ *pdata++) & 0xff]; - - return crc; -} -EXPORT_SYMBOL(brcmu_crc8); - /* * Traverse a string of 1-byte tag/1-byte length/variable-length value * triples, returning a pointer to the substring whose first element @@ -605,7 +517,10 @@ brcmu_format_flags(const struct brcmu_bit_desc *bd, u32 flags, char *buf, } EXPORT_SYMBOL(brcmu_format_flags); -/* print bytes formatted as hex to a string. return the resulting string length */ +/* + * print bytes formatted as hex to a string. return the resulting + * string length + */ int brcmu_format_hex(char *str, const void *bytes, int len) { int i; @@ -685,10 +600,9 @@ u16 brcmu_qdbm_to_mw(u8 qdbm) uint factor = 1; int idx = qdbm - QDBM_OFFSET; - if (idx >= QDBM_TABLE_LEN) { + if (idx >= QDBM_TABLE_LEN) /* clamp to max u16 mW value */ return 0xFFFF; - } /* scale the qdBm index up to the range of the table 0-40 * where an offset of 40 qdBm equals a factor of 10 mW. diff --git a/drivers/staging/brcm80211/brcmutil/wifi.c b/drivers/staging/brcm80211/brcmutil/wifi.c index b9ffe8682a27..636515cc1924 100644 --- a/drivers/staging/brcm80211/brcmutil/wifi.c +++ b/drivers/staging/brcm80211/brcmutil/wifi.c @@ -21,7 +21,7 @@ * combination could be legal given any set of circumstances. * RETURNS: true is the chanspec is malformed, false if it looks good. */ -bool brcmu_chspec_malformed(chanspec_t chanspec) +bool brcmu_chspec_malformed(u16 chanspec) { /* must be 2G or 5G band */ if (!CHSPEC_IS5G(chanspec) && !CHSPEC_IS2G(chanspec)) @@ -34,9 +34,8 @@ bool brcmu_chspec_malformed(chanspec_t chanspec) if (CHSPEC_IS20(chanspec)) { if (!CHSPEC_SB_NONE(chanspec)) return true; - } else { - if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) - return true; + } else if (!CHSPEC_SB_UPPER(chanspec) && !CHSPEC_SB_LOWER(chanspec)) { + return true; } return false; @@ -44,11 +43,11 @@ bool brcmu_chspec_malformed(chanspec_t chanspec) EXPORT_SYMBOL(brcmu_chspec_malformed); /* - * This function returns the channel number that control traffic is being sent on, for legacy - * channels this is just the channel number, for 40MHZ channels it is the upper or lowre 20MHZ - * sideband depending on the chanspec selected + * This function returns the channel number that control traffic is being sent + * on, for legacy channels this is just the channel number, for 40MHZ channels + * it is the upper or lower 20MHZ sideband depending on the chanspec selected. */ -u8 brcmu_chspec_ctlchan(chanspec_t chspec) +u8 brcmu_chspec_ctlchan(u16 chspec) { u8 ctl_chan; @@ -56,17 +55,23 @@ u8 brcmu_chspec_ctlchan(chanspec_t chspec) if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_NONE) { return CHSPEC_CHANNEL(chspec); } else { - /* we only support 40MHZ with sidebands */ - /* chanspec channel holds the centre frequency, use that and the - * side band information to reconstruct the control channel number + /* + * we only support 40MHZ with sidebands. chanspec channel holds + * the centre frequency, use that and the side band information + * to reconstruct the control channel number */ - if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_UPPER) { - /* control chan is the upper 20 MHZ SB of the 40MHZ channel */ + if (CHSPEC_CTL_SB(chspec) == WL_CHANSPEC_CTL_SB_UPPER) + /* + * control chan is the upper 20 MHZ SB of the + * 40MHZ channel + */ ctl_chan = UPPER_20_SB(CHSPEC_CHANNEL(chspec)); - } else { - /* control chan is the lower 20 MHZ SB of the 40MHZ channel */ + else + /* + * control chan is the lower 20 MHZ SB of the + * 40MHZ channel + */ ctl_chan = LOWER_20_SB(CHSPEC_CHANNEL(chspec)); - } } return ctl_chan; |