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author | Henk de Groot <henk.de.groot@hetnet.nl> | 2009-09-27 11:12:52 +0200 |
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committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-11 12:23:10 -0800 |
commit | 68c0bdff7ac903421f224e080499c51cd5287f97 (patch) | |
tree | 5f5f46e0a2d077c4d039a67d128a15a388dac91f /drivers/staging/wlags49_h2/wl_enc.c | |
parent | 349f535cbd14308f1934d9b20c4c214cb49c9001 (diff) | |
download | op-kernel-dev-68c0bdff7ac903421f224e080499c51cd5287f97.zip op-kernel-dev-68c0bdff7ac903421f224e080499c51cd5287f97.tar.gz |
Staging: wlags49_h2: add Agere driver for HERMES II and HERMES II.5 chipsets
WLAN driver for cards using the HERMES II and HERMES II.5 chipset
Based on Agere Systems Linux LKM Wireless Driver Source Code,
Version 7.22; complies with Open Source BSD License.
The software is a modified version of wl_lkm_722_abg.tar.gz from the
Agere Systems website, addapted for Ubuntu 9.04 and modified to
fit in the current Linux kernel (2.6.31).
Modified for kernel 2.6 by Henk de Groot <pe1dnn@amsat.org>
Based on 7.18 version by Andrey Borzenkov <arvidjaar@mail.ru> $Revision: 39 $
Signed-off-by: Henk de Groot <pe1dnn@amsat.org>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/wlags49_h2/wl_enc.c')
-rw-r--r-- | drivers/staging/wlags49_h2/wl_enc.c | 248 |
1 files changed, 248 insertions, 0 deletions
diff --git a/drivers/staging/wlags49_h2/wl_enc.c b/drivers/staging/wlags49_h2/wl_enc.c new file mode 100644 index 0000000..33181da --- /dev/null +++ b/drivers/staging/wlags49_h2/wl_enc.c @@ -0,0 +1,248 @@ + +/******************************************************************************* + * Agere Systems Inc. + * Wireless device driver for Linux (wlags49). + * + * Copyright (c) 1998-2003 Agere Systems Inc. + * All rights reserved. + * http://www.agere.com + * + * Initially developed by TriplePoint, Inc. + * http://www.triplepoint.com + * + *------------------------------------------------------------------------------ + * + * This file defines functions related to WEP key coding/decoding. + * + *------------------------------------------------------------------------------ + * + * SOFTWARE LICENSE + * + * This software is provided subject to the following terms and conditions, + * which you should read carefully before using the software. Using this + * software indicates your acceptance of these terms and conditions. If you do + * not agree with these terms and conditions, do not use the software. + * + * Copyright © 2003 Agere Systems Inc. + * All rights reserved. + * + * Redistribution and use in source or binary forms, with or without + * modifications, are permitted provided that the following conditions are met: + * + * . Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following Disclaimer as comments in the code as + * well as in the documentation and/or other materials provided with the + * distribution. + * + * . Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following Disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * . Neither the name of Agere Systems Inc. nor the names of the contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * Disclaimer + * + * THIS SOFTWARE IS PROVIDED “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, INFRINGEMENT AND THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ANY + * USE, MODIFICATION OR DISTRIBUTION OF THIS SOFTWARE IS SOLELY AT THE USERS OWN + * RISK. IN NO EVENT SHALL AGERE SYSTEMS INC. OR CONTRIBUTORS BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, INCLUDING, BUT NOT LIMITED TO, CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + * + ******************************************************************************/ + + + + +/******************************************************************************* + * VERSION CONTROL INFORMATION + ******************************************************************************* + * + * $Author: nico $ + * $Date: 2004/07/19 08:16:15 $ + * $Revision: 1.2 $ + * $Source: /usr/local/cvs/wl_lkm/wireless/wl_enc.c,v $ + * + ******************************************************************************/ + + + + +/******************************************************************************* + * include files + ******************************************************************************/ +#include <wl_version.h> + +#include <debug.h> +#include <hcf.h> + +#include <wl_enc.h> + + + + +/******************************************************************************* + * global definitions + ******************************************************************************/ +#if DBG + +extern dbg_info_t *DbgInfo; + +#endif /* DBG */ + + + + +/******************************************************************************* + * wl_wep_code() + ******************************************************************************* + * + * DESCRIPTION: + * + * This function encodes a set of wep keys for privacy + * + * PARAMETERS: + * + * szCrypt - + * szDest - + * Data - + * nLen - + * + * RETURNS: + * + * OK + * + ******************************************************************************/ +int wl_wep_code( char *szCrypt, char *szDest, void *Data, int nLen ) +{ + int i; + int t; + int k ; + char bits; + char *szData = (char *) Data; + /*------------------------------------------------------------------------*/ + + + for( i = bits = 0 ; i < MACADDRESS_STR_LEN; i++ ) { + bits ^= szCrypt[i]; + bits += szCrypt[i]; + } + + for( i = t = *szDest = 0; i < nLen; i++, t++ ) { + k = szData[i] ^ ( bits + i ); + + + switch( i % 3 ) { + + case 0 : + + szDest[t] = ((k & 0xFC) >> 2) + CH_START ; + szDest[t+1] = ((k & 0x03) << 4) + CH_START ; + szDest[t+2] = '\0'; + + break; + + + case 1 : + + szDest[t] += (( k & 0xF0 ) >> 4 ); + szDest[t+1] = (( k & 0x0F ) << 2 ) + CH_START ; + szDest[t+2] = '\0'; + + break; + + + case 2 : + + szDest[t] += (( k & 0xC0 ) >> 6 ); + szDest[t+1] = ( k & 0x3F ) + CH_START ; + szDest[t+2] = '\0'; + t++; + + break; + } + } + + return( strlen( szDest )) ; + +} +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_wep_decode() + ******************************************************************************* + * + * DESCRIPTION: + * + * This function decodes a set of WEP keys for use by the card. + * + * PARAMETERS: + * + * szCrypt - + * szDest - + * Data - + * + * RETURNS: + * + * OK + * + ******************************************************************************/ +int wl_wep_decode( char *szCrypt, void *Dest, char *szData ) +{ + int i; + int t; + int nLen; + char bits; + char *szDest = Dest; + /*------------------------------------------------------------------------*/ + + + for( i = bits = 0 ; i < 12; i++ ) { + bits ^= szCrypt[i] ; + bits += szCrypt[i] ; + } + + nLen = ( strlen( szData ) * 3) / 4 ; + + for( i = t = 0; i < nLen; i++, t++ ) { + switch( i % 3 ) { + case 0 : + + szDest[i] = ((( szData[t]-CH_START ) & 0x3f ) << 2 ) + + ((( szData[t+1]-CH_START ) & 0x30 ) >> 4 ); + break; + + + case 1 : + szDest[i] = ((( szData[t]-CH_START ) & 0x0f ) << 4 ) + + ((( szData[t+1]-CH_START ) & 0x3c ) >> 2 ); + break; + + + case 2 : + szDest[i] = ((( szData[t]-CH_START ) & 0x03 ) << 6 ) + + (( szData[t+1]-CH_START ) & 0x3f ); + t++; + break; + } + + szDest[i] ^= ( bits + i ) ; + + } + + return( i ) ; + +} +/*============================================================================*/ + |