diff options
Diffstat (limited to 'target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_recv_beacon.c')
| -rw-r--r-- | target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_recv_beacon.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_recv_beacon.c b/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_recv_beacon.c deleted file mode 100644 index 15beabb654..0000000000 --- a/target/linux/s3c24xx/files-2.6.31/drivers/ar6000/wlan/wlan_recv_beacon.c +++ /dev/null @@ -1,192 +0,0 @@ -/*- - * Copyright (c) 2001 Atsushi Onoe - * Copyright (c) 2002-2004 Sam Leffler, Errno Consulting - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. 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. - * 3. The name of the author may not be used to endorse or promote products - * derived from this software without specific prior written permission. - * - * Alternatively, this software may be distributed under the terms of the - * GNU General Public License ("GPL") version 2 as published by the Free - * Software Foundation. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR 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, WHETHER IN 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. - */ -/* - * IEEE 802.11 input handling. - */ - -#include "a_config.h" -#include "athdefs.h" -#include "a_types.h" -#include "a_osapi.h" -#include <wmi.h> -#include <ieee80211.h> -#include <wlan_api.h> - -#define IEEE80211_VERIFY_LENGTH(_len, _minlen) do { \ - if ((_len) < (_minlen)) { \ - return A_EINVAL; \ - } \ -} while (0) - -#define IEEE80211_VERIFY_ELEMENT(__elem, __maxlen) do { \ - if ((__elem) == NULL) { \ - return A_EINVAL; \ - } \ - if ((__elem)[1] > (__maxlen)) { \ - return A_EINVAL; \ - } \ -} while (0) - - -/* unaligned little endian access */ -#define LE_READ_2(p) \ - ((A_UINT16) \ - ((((A_UINT8 *)(p))[0] ) | (((A_UINT8 *)(p))[1] << 8))) - -#define LE_READ_4(p) \ - ((A_UINT32) \ - ((((A_UINT8 *)(p))[0] ) | (((A_UINT8 *)(p))[1] << 8) | \ - (((A_UINT8 *)(p))[2] << 16) | (((A_UINT8 *)(p))[3] << 24))) - - -static int __inline -iswpaoui(const A_UINT8 *frm) -{ - return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI); -} - -static int __inline -iswmmoui(const A_UINT8 *frm) -{ - return frm[1] > 3 && LE_READ_4(frm+2) == ((WMM_OUI_TYPE<<24)|WMM_OUI); -} - -static int __inline -iswmmparam(const A_UINT8 *frm) -{ - return frm[1] > 5 && frm[6] == WMM_PARAM_OUI_SUBTYPE; -} - -static int __inline -iswmminfo(const A_UINT8 *frm) -{ - return frm[1] > 5 && frm[6] == WMM_INFO_OUI_SUBTYPE; -} - -static int __inline -isatherosoui(const A_UINT8 *frm) -{ - return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI); -} - -static int __inline -iswscoui(const A_UINT8 *frm) -{ - return frm[1] > 3 && LE_READ_4(frm+2) == ((0x04<<24)|WPA_OUI); -} - -A_STATUS -wlan_parse_beacon(A_UINT8 *buf, int framelen, struct ieee80211_common_ie *cie) -{ - A_UINT8 *frm, *efrm; - - frm = buf; - efrm = (A_UINT8 *) (frm + framelen); - - /* - * beacon/probe response frame format - * [8] time stamp - * [2] beacon interval - * [2] capability information - * [tlv] ssid - * [tlv] supported rates - * [tlv] country information - * [tlv] parameter set (FH/DS) - * [tlv] erp information - * [tlv] extended supported rates - * [tlv] WMM - * [tlv] WPA or RSN - * [tlv] Atheros Advanced Capabilities - */ - IEEE80211_VERIFY_LENGTH(efrm - frm, 12); - A_MEMZERO(cie, sizeof(*cie)); - - cie->ie_tstamp = frm; frm += 8; - cie->ie_beaconInt = A_LE2CPU16(*(A_UINT16 *)frm); frm += 2; - cie->ie_capInfo = A_LE2CPU16(*(A_UINT16 *)frm); frm += 2; - cie->ie_chan = 0; - - while (frm < efrm) { - switch (*frm) { - case IEEE80211_ELEMID_SSID: - cie->ie_ssid = frm; - break; - case IEEE80211_ELEMID_RATES: - cie->ie_rates = frm; - break; - case IEEE80211_ELEMID_COUNTRY: - cie->ie_country = frm; - break; - case IEEE80211_ELEMID_FHPARMS: - break; - case IEEE80211_ELEMID_DSPARMS: - cie->ie_chan = frm[2]; - break; - case IEEE80211_ELEMID_TIM: - cie->ie_tim = frm; - break; - case IEEE80211_ELEMID_IBSSPARMS: - break; - case IEEE80211_ELEMID_XRATES: - cie->ie_xrates = frm; - break; - case IEEE80211_ELEMID_ERP: - if (frm[1] != 1) { - //A_PRINTF("Discarding ERP Element - Bad Len\n"); - return A_EINVAL; - } - cie->ie_erp = frm[2]; - break; - case IEEE80211_ELEMID_RSN: - cie->ie_rsn = frm; - break; - case IEEE80211_ELEMID_VENDOR: - if (iswpaoui(frm)) { - cie->ie_wpa = frm; - } else if (iswmmoui(frm)) { - cie->ie_wmm = frm; - } else if (isatherosoui(frm)) { - cie->ie_ath = frm; - } else if(iswscoui(frm)) { - cie->ie_wsc = frm; - } - break; - default: - break; - } - frm += frm[1] + 2; - } - IEEE80211_VERIFY_ELEMENT(cie->ie_rates, IEEE80211_RATE_MAXSIZE); - IEEE80211_VERIFY_ELEMENT(cie->ie_ssid, IEEE80211_NWID_LEN); - - return A_OK; -} |