diff options
Diffstat (limited to 'plugins/wimax/crc.c')
| -rw-r--r-- | plugins/wimax/crc.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/plugins/wimax/crc.c b/plugins/wimax/crc.c index b2dc4090dd..cd169c2725 100644 --- a/plugins/wimax/crc.c +++ b/plugins/wimax/crc.c @@ -47,11 +47,11 @@ extern guint16 crc16_table[256]; DESCRIPTION: Generate the table of CRC remainders for all possible bytes - + ARGS: RETURNS: - + SIDE EFFECTS: */ @@ -62,16 +62,16 @@ void wimax_mac_gen_crc32_table(void) /* little-endian (reflected) algorithm */ for ( index = 0; index < G_N_ELEMENTS(crc32_table); index++ ) - { + { crc = ( index << 24 ); for ( bit = 0; bit < 8; bit++ ) { if ( crc & 0x80000000U ) crc = ( crc << 1 ) ^ WMAX_MAC_CRC32_POLYNOMIAL; else - crc = ( crc << 1 ); + crc = ( crc << 1 ); } - crc32_table[index] = crc; + crc32_table[index] = crc; } } @@ -94,18 +94,18 @@ void wimax_mac_gen_crc8_table(void) { guint index, bit; guint8 crc; - + for ( index = 0; index < G_N_ELEMENTS(crc8_table); index++ ) - { + { crc = index; for ( bit = 0; bit < 8; bit++ ) { if ( crc & 0x80 ) crc = ( crc << 1 ) ^ WMAX_MAC_CRC8_POLYNOMIAL; else - crc = ( crc << 1 ); + crc = ( crc << 1 ); } - crc8_table[index] = crc; + crc8_table[index] = crc; } } #endif @@ -122,7 +122,7 @@ void wimax_mac_gen_crc8_table(void) data_len - length of data (in bytes) RETURNS: calculated crc32 - + SIDE EFFECTS: */ @@ -132,9 +132,9 @@ guint32 wimax_mac_calc_crc32(const guint8 *data, guint data_len) guint i, j; for ( j = 0; j < data_len; j++ ) - { + { i = ( (guint8)(crc>>24) ^ data[j] ) & 0xff; - crc = ( crc<<8 ) ^ crc32_table[i]; + crc = ( crc<<8 ) ^ crc32_table[i]; } return ~crc; } @@ -151,7 +151,7 @@ guint32 wimax_mac_calc_crc32(const guint8 *data, guint data_len) data_len - length of data (in bytes) RETURNS: calculated crc16 - + SIDE EFFECTS: */ @@ -161,7 +161,7 @@ guint16 wimax_mac_calc_crc16(const guint8 *data, guint data_len) guint j; for ( j = 0; j < data_len; j++ ) - { + { crc ^= data[j] << 8; crc = (crc << 8) ^ crc16_table[(crc & 0xff00) >> 8]; } @@ -182,7 +182,7 @@ guint16 wimax_mac_calc_crc16(const guint8 *data, guint data_len) data_len - length of data (in bytes) RETURNS: calculated crc8 - + SIDE EFFECTS: */ |