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Diffstat (limited to 'drivers/staging/wlags49_h2/wl_util.c')
| -rw-r--r-- | drivers/staging/wlags49_h2/wl_util.c | 1587 |
1 files changed, 1587 insertions, 0 deletions
diff --git a/drivers/staging/wlags49_h2/wl_util.c b/drivers/staging/wlags49_h2/wl_util.c new file mode 100644 index 000000000000..ac1e7f38f982 --- /dev/null +++ b/drivers/staging/wlags49_h2/wl_util.c @@ -0,0 +1,1587 @@ +/******************************************************************************* + * 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 misc utility functions. + * + *------------------------------------------------------------------------------ + * + * 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. + * + ******************************************************************************/ + +/******************************************************************************* + * include files + ******************************************************************************/ +#include <wl_version.h> + +#include <linux/kernel.h> +// #include <linux/sched.h> +// #include <linux/ptrace.h> +#include <linux/ctype.h> +// #include <linux/string.h> +// #include <linux/timer.h> +// #include <linux/interrupt.h> +// #include <linux/in.h> +// #include <linux/delay.h> +// #include <asm/io.h> +// #include <asm/system.h> +// #include <asm/bitops.h> + +#include <linux/netdevice.h> +#include <linux/etherdevice.h> +// #include <linux/skbuff.h> +// #include <linux/if_arp.h> +// #include <linux/ioport.h> + +#include <debug.h> +#include <hcf.h> +// #include <hcfdef.h> + +#include <wl_if.h> +#include <wl_internal.h> +#include <wl_util.h> +#include <wl_wext.h> +#include <wl_main.h> + + + +/******************************************************************************* + * global variables + ******************************************************************************/ + +/* A matrix which maps channels to frequencies */ +#define MAX_CHAN_FREQ_MAP_ENTRIES 50 +static const long chan_freq_list[][MAX_CHAN_FREQ_MAP_ENTRIES] = +{ + {1,2412}, + {2,2417}, + {3,2422}, + {4,2427}, + {5,2432}, + {6,2437}, + {7,2442}, + {8,2447}, + {9,2452}, + {10,2457}, + {11,2462}, + {12,2467}, + {13,2472}, + {14,2484}, + {36,5180}, + {40,5200}, + {44,5220}, + {48,5240}, + {52,5260}, + {56,5280}, + {60,5300}, + {64,5320}, + {149,5745}, + {153,5765}, + {157,5785}, + {161,5805} +}; + +#if DBG +extern dbg_info_t *DbgInfo; +#endif /* DBG */ + + + + +/******************************************************************************* + * dbm() + ******************************************************************************* + * + * DESCRIPTION: + * + * Return an energy value in dBm. + * + * PARAMETERS: + * + * value - the energy value to be converted + * + * RETURNS: + * + * the value in dBm + * + ******************************************************************************/ +int dbm( int value ) +{ + /* Truncate the value to be between min and max. */ + if( value < HCF_MIN_SIGNAL_LEVEL ) + value = HCF_MIN_SIGNAL_LEVEL; + + if( value > HCF_MAX_SIGNAL_LEVEL ) + value = HCF_MAX_SIGNAL_LEVEL; + + /* Return the energy value in dBm. */ + return ( value - HCF_0DBM_OFFSET ); +} // dbm +/*============================================================================*/ + + + + +/******************************************************************************* + * percent() + ******************************************************************************* + * + * DESCRIPTION: + * + * Return a value as a percentage of min to max. + * + * PARAMETERS: + * + * value - the value in question + * min - the minimum range value + * max - the maximum range value + * + * RETURNS: + * + * the percentage value + * + ******************************************************************************/ +int percent( int value, int min, int max ) +{ + /* Truncate the value to be between min and max. */ + if( value < min ) + value = min; + + if( value > max ) + value = max; + + /* Return the value as a percentage of min to max. */ + return ((( value - min ) * 100 ) / ( max - min )); +} // percent +/*============================================================================*/ + + + + +/******************************************************************************* + * is_valid_key_string() + ******************************************************************************* + * + * DESCRIPTION: + * + * Checks to determine if the WEP key string is valid + * + * PARAMETERS: + * + * s - the string in question + * + * RETURNS: + * + * non-zero if the string contains a valid key + * + ******************************************************************************/ +int is_valid_key_string( char *s ) +{ + int l; + int i; + /*------------------------------------------------------------------------*/ + + + l = strlen( s ); + + /* 0x followed by 5 or 13 hexadecimal digit pairs is valid */ + if( s[0] == '0' && ( s[1] == 'x' || s[1] == 'X' )) { + if( l == 12 || l == 28 ) { + for( i = 2; i < l; i++ ) { + if( !isxdigit( s[i] )) + return 0; + } + + return 1; + } else { + return 0; + } + } + + /* string with 0, 5, or 13 characters is valid */ + else + { + return( l == 0 || l == 5 || l == 13 ); + } +} // is_valid_key_string +/*============================================================================*/ + + + + +/******************************************************************************* + * hexdigit2int() + ******************************************************************************* + * + * DESCRIPTION: + * + * Converts a hexadecimal digit character to an integer + * + * PARAMETERS: + * + * c - the hexadecimal digit character + * + * RETURNS: + * + * the converted integer + * + ******************************************************************************/ +int hexdigit2int( char c ) +{ + if( c >= '0' && c <= '9' ) + return c - '0'; + + if( c >= 'A' && c <= 'F' ) + return c - 'A' + 10; + + if( c >= 'a' && c <= 'f' ) + return c - 'a' + 10; + + return 0; +} // hexdigit2int +/*============================================================================*/ + + + + +/******************************************************************************* + * key_string2key() + ******************************************************************************* + * + * DESCRIPTION: + * + * Converts a key_string to a key, Assumes the key_string is validated with + * is_valid_key_string(). + * + * PARAMETERS: + * + * ks - the valid key string + * key - a pointer to a KEY_STRUCT where the converted key information will + * be stored. + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void key_string2key( char *ks, KEY_STRCT *key ) +{ + int l,i,n; + char *p; + /*------------------------------------------------------------------------*/ + + + l = strlen( ks ); + + /* 0x followed by hexadecimal digit pairs */ + if( ks[0] == '0' && ( ks[1] == 'x' || ks[1] == 'X' )) { + n = 0; + p = (char *)key->key; + + for( i = 2; i < l; i+=2 ) { + *p++ = ( hexdigit2int( ks[i] ) << 4 ) + hexdigit2int (ks[i+1] ); + n++; + } + + /* Note that endian translation of the length field is not needed here + because it's performed in wl_put_ltv() */ + key->len = n; + } + /* character string */ + else + { + strcpy( (char *)key->key, ks ); + key->len = l; + } + + return; +} // key_string2key +/*============================================================================*/ + + + + +#if DBG +/******************************************************************************* + * DbgHwAddr() + ******************************************************************************* + * + * DESCRIPTION: + * + * Convert a hardware ethernet address to a character string + * + * PARAMETERS: + * + * hwAddr - an ethernet address + * + * RETURNS: + * + * a pointer to a string representing the ethernet address + * + ******************************************************************************/ +const char *DbgHwAddr(unsigned char *hwAddr) +{ + static char buffer[18]; + /*------------------------------------------------------------------------*/ + + + sprintf( buffer, "%02X:%02X:%02X:%02X:%02X:%02X", + hwAddr[0], hwAddr[1], hwAddr[2], hwAddr[3], hwAddr[4], hwAddr[5] ); + + return buffer; +} // DbgHwAddr +/*============================================================================*/ + +#endif /* DBG */ + + + + +/******************************************************************************* + * wl_has_wep() + ******************************************************************************* + * + * DESCRIPTION: + * + * Checks to see if the device supports WEP + * + * PARAMETERS: + * + * ifbp - the IFB pointer of the device in question + * + * RETURNS: + * + * 1 if WEP is known enabled, else 0 + * + ******************************************************************************/ +int wl_has_wep (IFBP ifbp) +{ + CFG_PRIVACY_OPT_IMPLEMENTED_STRCT ltv; + int rc, privacy; + /*------------------------------------------------------------------------*/ + + + /* This function allows us to distiguish bronze cards from other types, to + know if WEP exists. Does not distinguish (because there's no way to) + between silver and gold cards. */ + ltv.len = 2; + ltv.typ = CFG_PRIVACY_OPT_IMPLEMENTED; + + rc = hcf_get_info( ifbp, (LTVP) <v ); + + privacy = CNV_LITTLE_TO_INT( ltv.privacy_opt_implemented ); + + //return rc ? 0 : privacy; + return 1; +} // wl_has_wep +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_hcf_error() + ******************************************************************************* + * + * DESCRIPTION: + * + * Report the type of HCF error message + * + * PARAMETERS: + * + * none + * + * RETURNS: + * + * A descriptive string indicating the error, quiet otherwise. + * + ******************************************************************************/ +void wl_hcf_error( struct net_device *dev, int hcfStatus ) +{ + char buffer[64], *pMsg; + /*------------------------------------------------------------------------*/ + + + if( hcfStatus != HCF_SUCCESS ) { + switch( hcfStatus ) { + + case HCF_ERR_TIME_OUT: + + pMsg = "Expected adapter event did not occur in expected time"; + break; + + + case HCF_ERR_NO_NIC: + + pMsg = "Card not found (ejected unexpectedly)"; + break; + + + case HCF_ERR_LEN: + + pMsg = "Command buffer size insufficient"; + break; + + + case HCF_ERR_INCOMP_PRI: + + pMsg = "Primary functions are not compatible"; + break; + + + case HCF_ERR_INCOMP_FW: + + pMsg = "Primary functions are compatible, " + "station/ap functions are not"; + break; + + + case HCF_ERR_BUSY: + + pMsg = "Inquire cmd while another Inquire in progress"; + break; + + + //case HCF_ERR_SEQ_BUG: + + // pMsg = "Unexpected command completed"; + // break; + + + case HCF_ERR_DEFUNCT_AUX: + + pMsg = "Timeout on ack for enable/disable of AUX registers"; + break; + + + case HCF_ERR_DEFUNCT_TIMER: + pMsg = "Timeout on timer calibration during initialization process"; + break; + + + case HCF_ERR_DEFUNCT_TIME_OUT: + pMsg = "Timeout on Busy bit drop during BAP setup"; + break; + + + case HCF_ERR_DEFUNCT_CMD_SEQ: + pMsg = "Hermes and HCF are out of sync"; + break; + + + default: + + sprintf( buffer, "Error code %d", hcfStatus ); + pMsg = buffer; + break; + } + + printk( KERN_INFO "%s: Wireless, HCF failure: \"%s\"\n", + dev->name, pMsg ); + } +} // wl_hcf_error +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_endian_translate_event() + ******************************************************************************* + * + * DESCRIPTION: + * + * Determines what type of data is in the mailbox and performs the proper + * endian translation. + * + * PARAMETERS: + * + * pLtv - an LTV pointer + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void wl_endian_translate_event( ltv_t *pLtv ) +{ + DBG_FUNC( "wl_endian_translate_event" ); + DBG_ENTER( DbgInfo ); + + + switch( pLtv->typ ) { + case CFG_TALLIES: + break; + + + case CFG_SCAN: + { + int numAPs; + SCAN_RS_STRCT *pAps = (SCAN_RS_STRCT*)&pLtv->u.u8[0]; + + numAPs = (hcf_16)(( (size_t)( pLtv->len - 1 ) * 2 ) / + (sizeof( SCAN_RS_STRCT ))); + + while( numAPs >= 1 ) { + numAPs--; + + pAps[numAPs].channel_id = + CNV_LITTLE_TO_INT( pAps[numAPs].channel_id ); + + pAps[numAPs].noise_level = + CNV_LITTLE_TO_INT( pAps[numAPs].noise_level ); + + pAps[numAPs].signal_level = + CNV_LITTLE_TO_INT( pAps[numAPs].signal_level ); + + pAps[numAPs].beacon_interval_time = + CNV_LITTLE_TO_INT( pAps[numAPs].beacon_interval_time ); + + pAps[numAPs].capability = + CNV_LITTLE_TO_INT( pAps[numAPs].capability ); + + pAps[numAPs].ssid_len = + CNV_LITTLE_TO_INT( pAps[numAPs].ssid_len ); + + pAps[numAPs].ssid_val[pAps[numAPs].ssid_len] = 0; + + } + } + break; + + + case CFG_ACS_SCAN: + { + PROBE_RESP *probe_resp = (PROBE_RESP *)pLtv; + + probe_resp->frameControl = CNV_LITTLE_TO_INT( probe_resp->frameControl ); + probe_resp->durID = CNV_LITTLE_TO_INT( probe_resp->durID ); + probe_resp->sequence = CNV_LITTLE_TO_INT( probe_resp->sequence ); + probe_resp->dataLength = CNV_LITTLE_TO_INT( probe_resp->dataLength ); + +#ifndef WARP + probe_resp->lenType = CNV_LITTLE_TO_INT( probe_resp->lenType ); +#endif // WARP + + probe_resp->beaconInterval = CNV_LITTLE_TO_INT( probe_resp->beaconInterval ); + probe_resp->capability = CNV_LITTLE_TO_INT( probe_resp->capability ); + probe_resp->flags = CNV_LITTLE_TO_INT( probe_resp->flags ); + } + break; + + + case CFG_LINK_STAT: +#define ls ((LINK_STATUS_STRCT *)pLtv) + ls->linkStatus = CNV_LITTLE_TO_INT( ls->linkStatus ); + break; +#undef ls + + case CFG_ASSOC_STAT: + { + ASSOC_STATUS_STRCT *pAs = (ASSOC_STATUS_STRCT *)pLtv; + + pAs->assocStatus = CNV_LITTLE_TO_INT( pAs->assocStatus ); + } + break; + + + case CFG_SECURITY_STAT: + { + SECURITY_STATUS_STRCT *pSs = (SECURITY_STATUS_STRCT *)pLtv; + + pSs->securityStatus = CNV_LITTLE_TO_INT( pSs->securityStatus ); + pSs->reason = CNV_LITTLE_TO_INT( pSs->reason ); + } + break; + + + case CFG_WMP: + break; + + + case CFG_NULL: + break; + + + default: + break; + } + + DBG_LEAVE( DbgInfo ); + return; +} // wl_endian_translate_event +/*============================================================================*/ + + +/******************************************************************************* + * msf_assert() + ******************************************************************************* + * + * DESCRIPTION: + * + * Print statement used to display asserts from within the HCF. Only called + * when asserts in the HCF are turned on. See hcfcfg.h for more information. + * + * PARAMETERS: + * + * file_namep - the filename in which the assert occurred. + * line_number - the line number on which the assert occurred. + * trace - a comment associated with the assert. + * qual - return code or other value related to the assert + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void msf_assert( unsigned int line_number, hcf_16 trace, hcf_32 qual ) +{ + DBG_PRINT( "HCF ASSERT: Line %d, VAL: 0x%.8x\n", line_number, /*;?*/(u32)qual ); +} // msf_assert +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_parse_ds_ie() + ******************************************************************************* + * + * DESCRIPTION: + * + * This function parses the Direct Sequence Parameter Set IE, used to + * determine channel/frequency information. + * + * PARAMETERS: + * + * probe_rsp - a pointer to a PROBE_RESP structure containing the probe + * response. + * + * RETURNS: + * + * The channel on which the BSS represented by this probe response is + * transmitting. + * + ******************************************************************************/ +hcf_8 wl_parse_ds_ie( PROBE_RESP *probe_rsp ) +{ + int i; + int ie_length = 0; + hcf_8 *buf; + hcf_8 buf_size; + /*------------------------------------------------------------------------*/ + + + if( probe_rsp == NULL ) { + return 0; + } + + buf = probe_rsp->rawData; + buf_size = sizeof( probe_rsp->rawData ); + + + for( i = 0; i < buf_size; i++ ) { + if( buf[i] == DS_INFO_ELEM ) { + /* Increment by 1 to get the length, and test it; in a DS element, + length should always be 1 */ + i++; + ie_length = buf[i]; + + if( buf[i] == 1 ) { + /* Get the channel information */ + i++; + return buf[i]; + } + } + } + + /* If we get here, we didn't find a DS-IE, which is strange */ + return 0; +} // wl_parse_ds_ie + + +/******************************************************************************* + * wl_parse_wpa_ie() + ******************************************************************************* + * + * DESCRIPTION: + * + * This function parses the Probe Response for a valid WPA-IE. + * + * PARAMETERS: + * + * probe_rsp - a pointer to a PROBE_RESP structure containing the probe + * response + * length - a pointer to an hcf_16 in which the size of the WPA-IE will + * be stored (if found). + * + * RETURNS: + * + * A pointer to the location in the probe response buffer where a valid + * WPA-IE lives. The length of this IE is written back to the 'length' + * argument passed to the function. + * + ******************************************************************************/ +hcf_8 * wl_parse_wpa_ie( PROBE_RESP *probe_rsp, hcf_16 *length ) +{ + int i; + int ie_length = 0; + hcf_8 *buf; + hcf_8 buf_size; + hcf_8 wpa_oui[] = WPA_OUI_TYPE; + /*------------------------------------------------------------------------*/ + + + if( probe_rsp == NULL || length == NULL ) { + return NULL; + } + + buf = probe_rsp->rawData; + buf_size = sizeof( probe_rsp->rawData ); + *length = 0; + + + for( i = 0; i < buf_size; i++ ) { + if( buf[i] == GENERIC_INFO_ELEM ) { + /* Increment by one to get the IE length */ + i++; + ie_length = probe_rsp->rawData[i]; + + /* Increment by one to point to the IE payload */ + i++; + + /* Does the IE contain a WPA OUI? If not, it's a proprietary IE */ + if( memcmp( &buf[i], &wpa_oui, WPA_SELECTOR_LEN ) == 0 ) { + /* Pass back length and return a pointer to the WPA-IE */ + /* NOTE: Length contained in the WPA-IE is only the length of + the payload. The entire WPA-IE, including the IE identifier + and the length, is 2 bytes larger */ + *length = ie_length + 2; + + /* Back up the pointer 2 bytes to include the IE identifier and + the length in the buffer returned */ + i -= 2; + return &buf[i]; + } + + /* Increment past this non-WPA IE and continue looking */ + i += ( ie_length - 1 ); + } + } + + /* If we're here, we didn't find a WPA-IE in the buffer */ + return NULL; +} // wl_parse_wpa_ie + + +/******************************************************************************* + * wl_print_wpa_ie() + ******************************************************************************* + * + * DESCRIPTION: + * + * Function used to take a WPA Information Element (WPA-IE) buffer and + * display it in a readable format. + * + * PARAMETERS: + * + * buffer - the byte buffer containing the WPA-IE + * length - the length of the above buffer + * + * RETURNS: + * + * A pointer to the formatted WPA-IE string. Note that the format used is + * byte-by-byte printing as %02x hex values with no spaces. This is + * required for proper operation with some WPA supplicants. + * + ******************************************************************************/ +hcf_8 * wl_print_wpa_ie( hcf_8 *buffer, int length ) +{ + int count; + int rows; + int remainder; + int rowsize = 4; + hcf_8 row_buf[64]; + static hcf_8 output[512]; + /*------------------------------------------------------------------------*/ + + + memset( output, 0, sizeof( output )); + memset( row_buf, 0, sizeof( row_buf )); + + + /* Determine how many rows will be needed, and the remainder */ + rows = length / rowsize; + remainder = length % rowsize; + + + /* Format the rows */ + for( count = 0; count < rows; count++ ) { + sprintf( row_buf, "%02x%02x%02x%02x", + buffer[count*rowsize], buffer[count*rowsize+1], + buffer[count*rowsize+2], buffer[count*rowsize+3]); + strcat( output, row_buf ); + } + + memset( row_buf, 0, sizeof( row_buf )); + + + /* Format the remainder */ + for( count = 0; count < remainder; count++ ) { + sprintf( row_buf, "%02x", buffer[(rows*rowsize)+count]); + strcat( output, row_buf ); + } + + return output; +} // wl_print_wpa_ie +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_is_a_valid_chan() + ******************************************************************************* + * + * DESCRIPTION: + * + * Checks if a given channel is valid + * + * PARAMETERS: + * + * channel - the channel + * + * RETURNS: + * + * 1 if TRUE + * 0 if FALSE + * + ******************************************************************************/ +int wl_is_a_valid_chan( int channel ) +{ + int i; + /*------------------------------------------------------------------------*/ + + + /* Strip out the high bit set by the FW for 802.11a channels */ + if( channel & 0x100 ) { + channel = channel & 0x0FF; + } + + /* Iterate through the matrix and retrieve the frequency */ + for( i = 0; i < MAX_CHAN_FREQ_MAP_ENTRIES; i++ ) { + if( chan_freq_list[i][0] == channel ) { + return 1; + } + } + + return 0; +} // wl_is_a_valid_chan +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_get_chan_from_freq() + ******************************************************************************* + * + * DESCRIPTION: + * + * Checks if a given frequency is valid + * + * PARAMETERS: + * + * freq - the frequency + * + * RETURNS: + * + * 1 if TRUE + * 0 if FALSE + * + ******************************************************************************/ +int wl_is_a_valid_freq( long frequency ) +{ + int i; + /*------------------------------------------------------------------------*/ + + + /* Iterate through the matrix and retrieve the channel */ + for( i = 0; i < MAX_CHAN_FREQ_MAP_ENTRIES; i++ ) { + if( chan_freq_list[i][1] == frequency ) { + return 1; + } + } + + return 0; +} // wl_is_a_valid_freq +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_get_freq_from_chan() + ******************************************************************************* + * + * DESCRIPTION: + * + * Function used to look up the frequency for a given channel on which the + * adapter is Tx/Rx. + * + * PARAMETERS: + * + * channel - the channel + * + * RETURNS: + * + * The corresponding frequency + * + ******************************************************************************/ +long wl_get_freq_from_chan( int channel ) +{ + int i; + /*------------------------------------------------------------------------*/ + + + /* Strip out the high bit set by the FW for 802.11a channels */ + if( channel & 0x100 ) { + channel = channel & 0x0FF; + } + + /* Iterate through the matrix and retrieve the frequency */ + for( i = 0; i < MAX_CHAN_FREQ_MAP_ENTRIES; i++ ) { + if( chan_freq_list[i][0] == channel ) { + return chan_freq_list[i][1]; + } + } + + return 0; +} // wl_get_freq_from_chan +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_get_chan_from_freq() + ******************************************************************************* + * + * DESCRIPTION: + * + * Function used to look up the channel for a given frequency on which the + * adapter is Tx/Rx. + * + * PARAMETERS: + * + * frequency - the frequency + * + * RETURNS: + * + * The corresponding channel + * + ******************************************************************************/ +int wl_get_chan_from_freq( long frequency ) +{ + int i; + /*------------------------------------------------------------------------*/ + + + /* Iterate through the matrix and retrieve the channel */ + for( i = 0; i < MAX_CHAN_FREQ_MAP_ENTRIES; i++ ) { + if( chan_freq_list[i][1] == frequency ) { + return chan_freq_list[i][0]; + } + } + + return 0; +} // wl_get_chan_from_freq +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_process_link_status() + ******************************************************************************* + * + * DESCRIPTION: + * + * Process the link status message signaled by the device. + * + * PARAMETERS: + * + * lp - a pointer to the device's private structure + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void wl_process_link_status( struct wl_private *lp ) +{ + hcf_16 link_stat; + /*------------------------------------------------------------------------*/ + + DBG_FUNC( "wl_process_link_status" ); + DBG_ENTER( DbgInfo ); + + if( lp != NULL ) { + //link_stat = lp->hcfCtx.IFB_DSLinkStat & CFG_LINK_STAT_FW; + link_stat = lp->hcfCtx.IFB_LinkStat & CFG_LINK_STAT_FW; + switch( link_stat ) { + case 1: + DBG_TRACE( DbgInfo, "Link Status : Connected\n" ); + wl_wext_event_ap( lp->dev ); + break; + case 2: + DBG_TRACE( DbgInfo, "Link Status : Disconnected\n" ); + break; + case 3: + DBG_TRACE( DbgInfo, "Link Status : Access Point Change\n" ); + break; + case 4: + DBG_TRACE( DbgInfo, "Link Status : Access Point Out of Range\n" ); + break; + case 5: + DBG_TRACE( DbgInfo, "Link Status : Access Point In Range\n" ); + break; + default: + DBG_TRACE( DbgInfo, "Link Status : UNKNOWN (0x%04x)\n", link_stat ); + break; + } + } + DBG_LEAVE( DbgInfo ); + return; +} // wl_process_link_status +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_process_probe_response() + ******************************************************************************* + * + * DESCRIPTION: + * + * Process the probe responses retunred by the device as a result of an + * active scan. + * + * PARAMETERS: + * + * lp - a pointer to the device's private structure + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void wl_process_probe_response( struct wl_private *lp ) +{ + PROBE_RESP *probe_rsp; + hcf_8 *wpa_ie = NULL; + hcf_16 wpa_ie_len = 0; + /*------------------------------------------------------------------------*/ + + + DBG_FUNC( "wl_process_probe_response" ); + DBG_ENTER( DbgInfo ); + + + if( lp != NULL ) { + probe_rsp = (PROBE_RESP *)&lp->ProbeResp; + + wl_endian_translate_event( (ltv_t *)probe_rsp ); + + DBG_TRACE( DbgInfo, "(%s) =========================\n", lp->dev->name ); + DBG_TRACE( DbgInfo, "(%s) length : 0x%04x.\n", lp->dev->name, + probe_rsp->length ); + + if( probe_rsp->length > 1 ) { + DBG_TRACE( DbgInfo, "(%s) infoType : 0x%04x.\n", lp->dev->name, + probe_rsp->infoType ); + + DBG_TRACE( DbgInfo, "(%s) signal : 0x%02x.\n", lp->dev->name, + probe_rsp->signal ); + + DBG_TRACE( DbgInfo, "(%s) silence : 0x%02x.\n", lp->dev->name, + probe_rsp->silence ); + + DBG_TRACE( DbgInfo, "(%s) rxFlow : 0x%02x.\n", lp->dev->name, + probe_rsp->rxFlow ); + + DBG_TRACE( DbgInfo, "(%s) rate : 0x%02x.\n", lp->dev->name, + probe_rsp->rate ); + + DBG_TRACE( DbgInfo, "(%s) frame cntl : 0x%04x.\n", lp->dev->name, + probe_rsp->frameControl ); + + DBG_TRACE( DbgInfo, "(%s) durID : 0x%04x.\n", lp->dev->name, + probe_rsp->durID ); + + DBG_TRACE( DbgInfo, "(%s) address1 : %s\n", lp->dev->name, + DbgHwAddr( probe_rsp->address1 )); + + DBG_TRACE( DbgInfo, "(%s) address2 : %s\n", lp->dev->name, + DbgHwAddr( probe_rsp->address2 )); + + DBG_TRACE( DbgInfo, "(%s) BSSID : %s\n", lp->dev->name, + DbgHwAddr( probe_rsp->BSSID )); + + DBG_TRACE( DbgInfo, "(%s) sequence : 0x%04x.\n", lp->dev->name, + probe_rsp->sequence ); + + DBG_TRACE( DbgInfo, "(%s) address4 : %s\n", lp->dev->name, + DbgHwAddr( probe_rsp->address4 )); + + DBG_TRACE( DbgInfo, "(%s) datalength : 0x%04x.\n", lp->dev->name, + probe_rsp->dataLength ); + + DBG_TRACE( DbgInfo, "(%s) DA : %s\n", lp->dev->name, + DbgHwAddr( probe_rsp->DA )); + + DBG_TRACE( DbgInfo, "(%s) SA : %s\n", lp->dev->name, + DbgHwAddr( probe_rsp->SA )); + +#ifdef WARP + + DBG_TRACE( DbgInfo, "(%s) channel : %d\n", lp->dev->name, + probe_rsp->channel ); + + DBG_TRACE( DbgInfo, "(%s) band : %d\n", lp->dev->name, + probe_rsp->band ); +#else + DBG_TRACE( DbgInfo, "(%s) lenType : 0x%04x.\n", lp->dev->name, + probe_rsp->lenType ); +#endif // WARP + + DBG_TRACE( DbgInfo, "(%s) timeStamp : %d.%d.%d.%d.%d.%d.%d.%d\n", + lp->dev->name, + probe_rsp->timeStamp[0], + probe_rsp->timeStamp[1], + probe_rsp->timeStamp[2], + probe_rsp->timeStamp[3], + probe_rsp->timeStamp[4], + probe_rsp->timeStamp[5], + probe_rsp->timeStamp[6], + probe_rsp->timeStamp[7]); + + DBG_TRACE( DbgInfo, "(%s) beaconInt : 0x%04x.\n", lp->dev->name, + probe_rsp->beaconInterval ); + + DBG_TRACE( DbgInfo, "(%s) capability : 0x%04x.\n", lp->dev->name, + probe_rsp->capability ); + + DBG_TRACE( DbgInfo, "(%s) SSID len : 0x%04x.\n", lp->dev->name, + probe_rsp->rawData[1] ); + + + if( probe_rsp->rawData[1] > 0 ) { + char ssid[HCF_MAX_NAME_LEN]; + + memset( ssid, 0, sizeof( ssid )); + strncpy( ssid, &probe_rsp->rawData[2], + probe_rsp->rawData[1] ); + + DBG_TRACE( DbgInfo, "(%s) SSID : %s\n", + lp->dev->name, ssid ); + } + + + /* Parse out the WPA-IE, if one exists */ + wpa_ie = wl_parse_wpa_ie( probe_rsp, &wpa_ie_len ); + if( wpa_ie != NULL ) { + DBG_TRACE( DbgInfo, "(%s) WPA-IE : %s\n", + lp->dev->name, wl_print_wpa_ie( wpa_ie, wpa_ie_len )); + } + + DBG_TRACE( DbgInfo, "(%s) flags : 0x%04x.\n", + lp->dev->name, probe_rsp->flags ); + } + + DBG_TRACE( DbgInfo, "\n" ); + + + /* If probe response length is 1, then the scan is complete */ + if( probe_rsp->length == 1 ) { + DBG_TRACE( DbgInfo, "SCAN COMPLETE\n" ); + lp->probe_results.num_aps = lp->probe_num_aps; + lp->probe_results.scan_complete = TRUE; + + /* Reset the counter for the next scan request */ + lp->probe_num_aps = 0; + + /* Send a wireless extensions event that the scan completed */ + wl_wext_event_scan_complete( lp->dev ); + } else { + /* Only copy to the table if the entry is unique; APs sometimes + respond more than once to a probe */ + if( lp->probe_num_aps == 0 ) { + /* Copy the info to the ScanResult structure in the private + adapter struct */ + memcpy( &( lp->probe_results.ProbeTable[lp->probe_num_aps] ), + probe_rsp, sizeof( PROBE_RESP )); + + /* Increment the number of APs detected */ + lp->probe_num_aps++; + } else { + int count; + int unique = 1; + + for( count = 0; count < lp->probe_num_aps; count++ ) { + if( memcmp( &( probe_rsp->BSSID ), + lp->probe_results.ProbeTable[count].BSSID, + ETH_ALEN ) == 0 ) { + unique = 0; + } + } + + if( unique ) { + /* Copy the info to the ScanResult structure in the + private adapter struct. Only copy if there's room in the + table */ + if( lp->probe_num_aps < MAX_NAPS ) + { + memcpy( &( lp->probe_results.ProbeTable[lp->probe_num_aps] ), + probe_rsp, sizeof( PROBE_RESP )); + } + else + { + DBG_WARNING( DbgInfo, "Num of scan results exceeds storage, truncating\n" ); + } + + /* Increment the number of APs detected. Note I do this + here even when I don't copy the probe response to the + buffer in order to detect the overflow condition */ + lp->probe_num_aps++; + } + } + } + } + + DBG_LEAVE( DbgInfo ); + return; +} // wl_process_probe_response +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_process_updated_record() + ******************************************************************************* + * + * DESCRIPTION: + * + * Process the updated information record message signaled by the device. + * + * PARAMETERS: + * + * lp - a pointer to the device's private structure + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void wl_process_updated_record( struct wl_private *lp ) +{ + DBG_FUNC( "wl_process_updated_record" ); + DBG_ENTER( DbgInfo ); + + + if( lp != NULL ) { + lp->updatedRecord.u.u16[0] = CNV_LITTLE_TO_INT( lp->updatedRecord.u.u16[0] ); + + switch( lp->updatedRecord.u.u16[0] ) { + case CFG_CUR_COUNTRY_INFO: + DBG_TRACE( DbgInfo, "Updated Record: CFG_CUR_COUNTRY_INFO\n" ); + wl_connect( lp ); + break; + + case CFG_PORT_STAT: + DBG_TRACE( DbgInfo, "Updated Record: WAIT_FOR_CONNECT (0xFD40)\n" ); + //wl_connect( lp ); + break; + + default: + DBG_TRACE( DbgInfo, "UNKNOWN: 0x%04x\n", + lp->updatedRecord.u.u16[0] ); + } + } + + DBG_LEAVE( DbgInfo ); + return; +} // wl_process_updated_record +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_process_assoc_status() + ******************************************************************************* + * + * DESCRIPTION: + * + * Process the association status event signaled by the device. + * + * PARAMETERS: + * + * lp - a pointer to the device's private structure + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void wl_process_assoc_status( struct wl_private *lp ) +{ + ASSOC_STATUS_STRCT *assoc_stat; + /*------------------------------------------------------------------------*/ + + + DBG_FUNC( "wl_process_assoc_status" ); + DBG_ENTER( DbgInfo ); + + + if( lp != NULL ) { + assoc_stat = (ASSOC_STATUS_STRCT *)&lp->assoc_stat; + + wl_endian_translate_event( (ltv_t *)assoc_stat ); + + switch( assoc_stat->assocStatus ) { + case 1: + DBG_TRACE( DbgInfo, "Association Status : STA Associated\n" ); + break; + + case 2: + DBG_TRACE( DbgInfo, "Association Status : STA Reassociated\n" ); + break; + + case 3: + DBG_TRACE( DbgInfo, "Association Status : STA Disassociated\n" ); + break; + + default: + DBG_TRACE( DbgInfo, "Association Status : UNKNOWN (0x%04x)\n", + assoc_stat->assocStatus ); + break; + } + + DBG_TRACE( DbgInfo, "STA Address : %s\n", + DbgHwAddr( assoc_stat->staAddr )); + + if(( assoc_stat->assocStatus == 2 ) && ( assoc_stat->len == 8 )) { + DBG_TRACE( DbgInfo, "Old AP Address : %s\n", + DbgHwAddr( assoc_stat->oldApAddr )); + } + } + + DBG_LEAVE( DbgInfo ); + return; +} // wl_process_assoc_status +/*============================================================================*/ + + + + +/******************************************************************************* + * wl_process_security_status() + ******************************************************************************* + * + * DESCRIPTION: + * + * Process the security status message signaled by the device. + * + * PARAMETERS: + * + * lp - a pointer to the device's private structure + * + * RETURNS: + * + * N/A + * + ******************************************************************************/ +void wl_process_security_status( struct wl_private *lp ) +{ + SECURITY_STATUS_STRCT *sec_stat; + /*------------------------------------------------------------------------*/ + + + DBG_FUNC( "wl_process_security_status" ); + DBG_ENTER( DbgInfo ); + + + if( lp != NULL ) { + sec_stat = (SECURITY_STATUS_STRCT *)&lp->sec_stat; + + wl_endian_translate_event( (ltv_t *)sec_stat ); + + switch( sec_stat->securityStatus ) { + case 1: + DBG_TRACE( DbgInfo, "Security Status : Dissassociate [AP]\n" ); + break; + + case 2: + DBG_TRACE( DbgInfo, "Security Status : Deauthenticate [AP]\n" ); + break; + + case 3: + DBG_TRACE( DbgInfo, "Security Status : Authenticate Fail [STA] or [AP]\n" ); + break; + + case 4: + DBG_TRACE( DbgInfo, "Security Status : MIC Fail\n" ); + break; + + case 5: + DBG_TRACE( DbgInfo, "Security Status : Associate Fail\n" ); + break; + + default: + DBG_TRACE( DbgInfo, "Security Status : UNKNOWN (0x%04x)\n", + sec_stat->securityStatus ); + break; + } + + DBG_TRACE( DbgInfo, "STA Address : %s\n", + DbgHwAddr( sec_stat->staAddr )); + DBG_TRACE( DbgInfo, "Reason : 0x%04x \n", sec_stat->reason ); + + } + + DBG_LEAVE( DbgInfo ); + return; +} // wl_process_security_status +/*============================================================================*/ + +int wl_get_tallies(struct wl_private *lp, + CFG_HERMES_TALLIES_STRCT *tallies) +{ + int ret = 0; + int status; + CFG_HERMES_TALLIES_STRCT *pTallies; + + DBG_FUNC( "wl_get_tallies" ); + DBG_ENTER(DbgInfo); + + /* Get the current tallies from the adapter */ + lp->ltvRecord.len = 1 + HCF_TOT_TAL_CNT * sizeof(hcf_16); + lp->ltvRecord.typ = CFG_TALLIES; + + status = hcf_get_info(&(lp->hcfCtx), (LTVP)&(lp->ltvRecord)); + + if( status == HCF_SUCCESS ) { + pTallies = (CFG_HERMES_TALLIES_STRCT *)&(lp->ltvRecord.u.u32); + memcpy(tallies, pTallies, sizeof(*tallies)); + DBG_TRACE( DbgInfo, "Get tallies okay, dixe: %d\n", sizeof(*tallies) ); + } else { + DBG_TRACE( DbgInfo, "Get tallies failed\n" ); + ret = -EFAULT; + } + + DBG_LEAVE( DbgInfo ); + + return ret; +} + +/******************************************************************************* + * wl_atoi() + ******************************************************************************* + * + * DESCRIPTION: + * + * Believe it or not, we need our own implementation of atoi in the kernel. + * + * PARAMETERS: + * + * string - the ASCII string to convert to an integer + * + * RETURNS: + * + * unsigned integer + * + ******************************************************************************/ +unsigned int wl_atoi( char *string ) +{ +unsigned int base = 10; //default to decimal +unsigned int value = 0; +unsigned int c; +int i = strlen( string ); + + if ( i > 2 && string[0] == '0' && ( string[1] | ('X'^'x') ) == 'x' ) { + base = 16; + string +=2; + } + while ( ( c = *string++ ) != '\0' ) { + if ( value > UINT_MAX / base ) { //test for overrun + DBG_FUNC( "wl_atoi" ); //don't overload the log file with good messages + DBG_ENTER( DbgInfo ); + DBG_ERROR( DbgInfo, "string \"%s\", lenght exceeds expectations\n", string ); + printk( "<1>string \"%s\", lenght exceeds expectations\n", string ); + DBG_LEAVE( DbgInfo ); + break; + } + c -= '0'; + if ( 0 <= c && c <= 9 ) value = base * value + c; + else if ( base == 16 ) { + c += '0'; + c |= 'A'^'a'; + c = c - 'a'+ 10; + if ( 10 <= c && c <= 15 ) value = base * value + c; + } + } + return value; +} // wl_atoi + |