diff options
Diffstat (limited to 'drivers/staging/ath6kl/wlan/src/wlan_recv_beacon.c')
| -rw-r--r-- | drivers/staging/ath6kl/wlan/src/wlan_recv_beacon.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/drivers/staging/ath6kl/wlan/src/wlan_recv_beacon.c b/drivers/staging/ath6kl/wlan/src/wlan_recv_beacon.c deleted file mode 100644 index 07b8313b16e..00000000000 --- a/drivers/staging/ath6kl/wlan/src/wlan_recv_beacon.c +++ /dev/null @@ -1,199 +0,0 @@ -//------------------------------------------------------------------------------ -// <copyright file="wlan_recv_beacon.c" company="Atheros"> -// Copyright (c) 2004-2010 Atheros Corporation. All rights reserved. -// -// -// Permission to use, copy, modify, and/or distribute this software for any -// purpose with or without fee is hereby granted, provided that the above -// copyright notice and this permission notice appear in all copies. -// -// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES -// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF -// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR -// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES -// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN -// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF -// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. -// -// -//------------------------------------------------------------------------------ -//============================================================================== -// IEEE 802.11 input handling. -// -// Author(s): ="Atheros" -//============================================================================== - -#include "a_config.h" -#include "athdefs.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) \ - ((u16) \ - ((((u8 *)(p))[0] ) | (((u8 *)(p))[1] << 8))) - -#define LE_READ_4(p) \ - ((u32) \ - ((((u8 *)(p))[0] ) | (((u8 *)(p))[1] << 8) | \ - (((u8 *)(p))[2] << 16) | (((u8 *)(p))[3] << 24))) - - -static int __inline -iswpaoui(const u8 *frm) -{ - return frm[1] > 3 && LE_READ_4(frm+2) == ((WPA_OUI_TYPE<<24)|WPA_OUI); -} - -static int __inline -iswmmoui(const u8 *frm) -{ - return frm[1] > 3 && LE_READ_4(frm+2) == ((WMM_OUI_TYPE<<24)|WMM_OUI); -} - -/* unused functions for now */ -#if 0 -static int __inline -iswmmparam(const u8 *frm) -{ - return frm[1] > 5 && frm[6] == WMM_PARAM_OUI_SUBTYPE; -} - -static int __inline -iswmminfo(const u8 *frm) -{ - return frm[1] > 5 && frm[6] == WMM_INFO_OUI_SUBTYPE; -} -#endif - -static int __inline -isatherosoui(const u8 *frm) -{ - return frm[1] > 3 && LE_READ_4(frm+2) == ((ATH_OUI_TYPE<<24)|ATH_OUI); -} - -static int __inline -iswscoui(const u8 *frm) -{ - return frm[1] > 3 && LE_READ_4(frm+2) == ((0x04<<24)|WPA_OUI); -} - -int -wlan_parse_beacon(u8 *buf, int framelen, struct ieee80211_common_ie *cie) -{ - u8 *frm, *efrm; - u8 elemid_ssid = false; - - frm = buf; - efrm = (u8 *) (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(*(u16 *)frm); frm += 2; - cie->ie_capInfo = A_LE2CPU16(*(u16 *)frm); frm += 2; - cie->ie_chan = 0; - - while (frm < efrm) { - switch (*frm) { - case IEEE80211_ELEMID_SSID: - if (!elemid_ssid) { - cie->ie_ssid = frm; - elemid_ssid = true; - } - 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_HTCAP_ANA: - cie->ie_htcap = frm; - break; - case IEEE80211_ELEMID_HTINFO_ANA: - cie->ie_htop = frm; - break; -#ifdef WAPI_ENABLE - case IEEE80211_ELEMID_WAPI: - cie->ie_wapi = frm; - break; -#endif - 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 0; -} |