summaryrefslogtreecommitdiff
path: root/drivers/net/wireless/ath6kl/wlan
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/ath6kl/wlan')
-rw-r--r--drivers/net/wireless/ath6kl/wlan/include/ieee80211.h397
-rw-r--r--drivers/net/wireless/ath6kl/wlan/include/ieee80211_node.h81
-rw-r--r--drivers/net/wireless/ath6kl/wlan/src/makefile22
-rw-r--r--drivers/net/wireless/ath6kl/wlan/src/wlan_node.c569
-rw-r--r--drivers/net/wireless/ath6kl/wlan/src/wlan_recv_beacon.c196
-rw-r--r--drivers/net/wireless/ath6kl/wlan/src/wlan_utils.c57
6 files changed, 1322 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath6kl/wlan/include/ieee80211.h b/drivers/net/wireless/ath6kl/wlan/include/ieee80211.h
new file mode 100644
index 000000000000..708b6b044d27
--- /dev/null
+++ b/drivers/net/wireless/ath6kl/wlan/include/ieee80211.h
@@ -0,0 +1,397 @@
+//------------------------------------------------------------------------------
+// <copyright file="ieee80211.h" company="Atheros">
+// Copyright (c) 2004-2008 Atheros Corporation. All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation;
+//
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// Author(s): ="Atheros"
+//==============================================================================
+#ifndef _NET80211_IEEE80211_H_
+#define _NET80211_IEEE80211_H_
+
+#include "athstartpack.h"
+
+/*
+ * 802.11 protocol definitions.
+ */
+#define IEEE80211_WEP_KEYLEN 5 /* 40bit */
+#define IEEE80211_WEP_IVLEN 3 /* 24bit */
+#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */
+#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */
+#define IEEE80211_WEP_NKID 4 /* number of key ids */
+
+/*
+ * 802.11i defines an extended IV for use with non-WEP ciphers.
+ * When the EXTIV bit is set in the key id byte an additional
+ * 4 bytes immediately follow the IV for TKIP. For CCMP the
+ * EXTIV bit is likewise set but the 8 bytes represent the
+ * CCMP header rather than IV+extended-IV.
+ */
+#define IEEE80211_WEP_EXTIV 0x20
+#define IEEE80211_WEP_EXTIVLEN 4 /* extended IV length */
+#define IEEE80211_WEP_MICLEN 8 /* trailing MIC */
+
+#define IEEE80211_CRC_LEN 4
+
+#ifdef WAPI_ENABLE
+#define IEEE80211_WAPI_EXTIVLEN 10 /* extended IV length */
+#endif /* WAPI ENABLE */
+
+
+#define IEEE80211_ADDR_LEN 6 /* size of 802.11 address */
+/* is 802.11 address multicast/broadcast? */
+#define IEEE80211_IS_MULTICAST(_a) (*(_a) & 0x01)
+#define IEEE80211_IS_BROADCAST(_a) (*(_a) == 0xFF)
+#define WEP_HEADER (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN)
+#define WEP_TRAILER IEEE80211_WEP_CRCLEN
+#define CCMP_HEADER (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + \
+ IEEE80211_WEP_EXTIVLEN)
+#define CCMP_TRAILER IEEE80211_WEP_MICLEN
+#define TKIP_HEADER (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + \
+ IEEE80211_WEP_EXTIVLEN)
+#define TKIP_TRAILER IEEE80211_WEP_CRCLEN
+#define TKIP_MICLEN IEEE80211_WEP_MICLEN
+
+
+#define IEEE80211_ADDR_EQ(addr1, addr2) \
+ (A_MEMCMP(addr1, addr2, IEEE80211_ADDR_LEN) == 0)
+
+#define IEEE80211_ADDR_COPY(dst,src) A_MEMCPY(dst,src,IEEE80211_ADDR_LEN)
+
+#define IEEE80211_KEYBUF_SIZE 16
+#define IEEE80211_MICBUF_SIZE (8+8) /* space for both tx and rx */
+
+/*
+ * NB: these values are ordered carefully; there are lots of
+ * of implications in any reordering. In particular beware
+ * that 4 is not used to avoid conflicting with IEEE80211_F_PRIVACY.
+ */
+#define IEEE80211_CIPHER_WEP 0
+#define IEEE80211_CIPHER_TKIP 1
+#define IEEE80211_CIPHER_AES_OCB 2
+#define IEEE80211_CIPHER_AES_CCM 3
+#define IEEE80211_CIPHER_CKIP 5
+#define IEEE80211_CIPHER_CCKM_KRK 6
+#define IEEE80211_CIPHER_NONE 7 /* pseudo value */
+
+#define IEEE80211_CIPHER_MAX (IEEE80211_CIPHER_NONE+1)
+
+#define IEEE80211_IS_VALID_WEP_CIPHER_LEN(len) \
+ (((len) == 5) || ((len) == 13) || ((len) == 16))
+
+
+
+/*
+ * generic definitions for IEEE 802.11 frames
+ */
+PREPACK struct ieee80211_frame {
+ A_UINT8 i_fc[2];
+ A_UINT8 i_dur[2];
+ A_UINT8 i_addr1[IEEE80211_ADDR_LEN];
+ A_UINT8 i_addr2[IEEE80211_ADDR_LEN];
+ A_UINT8 i_addr3[IEEE80211_ADDR_LEN];
+ A_UINT8 i_seq[2];
+ /* possibly followed by addr4[IEEE80211_ADDR_LEN]; */
+ /* see below */
+} POSTPACK;
+
+PREPACK struct ieee80211_qosframe {
+ A_UINT8 i_fc[2];
+ A_UINT8 i_dur[2];
+ A_UINT8 i_addr1[IEEE80211_ADDR_LEN];
+ A_UINT8 i_addr2[IEEE80211_ADDR_LEN];
+ A_UINT8 i_addr3[IEEE80211_ADDR_LEN];
+ A_UINT8 i_seq[2];
+ A_UINT8 i_qos[2];
+} POSTPACK;
+
+#define IEEE80211_FC0_VERSION_MASK 0x03
+#define IEEE80211_FC0_VERSION_SHIFT 0
+#define IEEE80211_FC0_VERSION_0 0x00
+#define IEEE80211_FC0_TYPE_MASK 0x0c
+#define IEEE80211_FC0_TYPE_SHIFT 2
+#define IEEE80211_FC0_TYPE_MGT 0x00
+#define IEEE80211_FC0_TYPE_CTL 0x04
+#define IEEE80211_FC0_TYPE_DATA 0x08
+
+#define IEEE80211_FC0_SUBTYPE_MASK 0xf0
+#define IEEE80211_FC0_SUBTYPE_SHIFT 4
+/* for TYPE_MGT */
+#define IEEE80211_FC0_SUBTYPE_ASSOC_REQ 0x00
+#define IEEE80211_FC0_SUBTYPE_ASSOC_RESP 0x10
+#define IEEE80211_FC0_SUBTYPE_REASSOC_REQ 0x20
+#define IEEE80211_FC0_SUBTYPE_REASSOC_RESP 0x30
+#define IEEE80211_FC0_SUBTYPE_PROBE_REQ 0x40
+#define IEEE80211_FC0_SUBTYPE_PROBE_RESP 0x50
+#define IEEE80211_FC0_SUBTYPE_BEACON 0x80
+#define IEEE80211_FC0_SUBTYPE_ATIM 0x90
+#define IEEE80211_FC0_SUBTYPE_DISASSOC 0xa0
+#define IEEE80211_FC0_SUBTYPE_AUTH 0xb0
+#define IEEE80211_FC0_SUBTYPE_DEAUTH 0xc0
+/* for TYPE_CTL */
+#define IEEE80211_FC0_SUBTYPE_PS_POLL 0xa0
+#define IEEE80211_FC0_SUBTYPE_RTS 0xb0
+#define IEEE80211_FC0_SUBTYPE_CTS 0xc0
+#define IEEE80211_FC0_SUBTYPE_ACK 0xd0
+#define IEEE80211_FC0_SUBTYPE_CF_END 0xe0
+#define IEEE80211_FC0_SUBTYPE_CF_END_ACK 0xf0
+/* for TYPE_DATA (bit combination) */
+#define IEEE80211_FC0_SUBTYPE_DATA 0x00
+#define IEEE80211_FC0_SUBTYPE_CF_ACK 0x10
+#define IEEE80211_FC0_SUBTYPE_CF_POLL 0x20
+#define IEEE80211_FC0_SUBTYPE_CF_ACPL 0x30
+#define IEEE80211_FC0_SUBTYPE_NODATA 0x40
+#define IEEE80211_FC0_SUBTYPE_CFACK 0x50
+#define IEEE80211_FC0_SUBTYPE_CFPOLL 0x60
+#define IEEE80211_FC0_SUBTYPE_CF_ACK_CF_ACK 0x70
+#define IEEE80211_FC0_SUBTYPE_QOS 0x80
+#define IEEE80211_FC0_SUBTYPE_QOS_NULL 0xc0
+
+#define IEEE80211_FC1_DIR_MASK 0x03
+#define IEEE80211_FC1_DIR_NODS 0x00 /* STA->STA */
+#define IEEE80211_FC1_DIR_TODS 0x01 /* STA->AP */
+#define IEEE80211_FC1_DIR_FROMDS 0x02 /* AP ->STA */
+#define IEEE80211_FC1_DIR_DSTODS 0x03 /* AP ->AP */
+
+#define IEEE80211_FC1_MORE_FRAG 0x04
+#define IEEE80211_FC1_RETRY 0x08
+#define IEEE80211_FC1_PWR_MGT 0x10
+#define IEEE80211_FC1_MORE_DATA 0x20
+#define IEEE80211_FC1_WEP 0x40
+#define IEEE80211_FC1_ORDER 0x80
+
+#define IEEE80211_SEQ_FRAG_MASK 0x000f
+#define IEEE80211_SEQ_FRAG_SHIFT 0
+#define IEEE80211_SEQ_SEQ_MASK 0xfff0
+#define IEEE80211_SEQ_SEQ_SHIFT 4
+
+#define IEEE80211_NWID_LEN 32
+
+/*
+ * 802.11 rate set.
+ */
+#define IEEE80211_RATE_SIZE 8 /* 802.11 standard */
+#define IEEE80211_RATE_MAXSIZE 15 /* max rates we'll handle */
+
+#define WMM_NUM_AC 4 /* 4 AC categories */
+
+#define WMM_PARAM_ACI_M 0x60 /* Mask for ACI field */
+#define WMM_PARAM_ACI_S 5 /* Shift for ACI field */
+#define WMM_PARAM_ACM_M 0x10 /* Mask for ACM bit */
+#define WMM_PARAM_ACM_S 4 /* Shift for ACM bit */
+#define WMM_PARAM_AIFSN_M 0x0f /* Mask for aifsn field */
+#define WMM_PARAM_LOGCWMIN_M 0x0f /* Mask for CwMin field (in log) */
+#define WMM_PARAM_LOGCWMAX_M 0xf0 /* Mask for CwMax field (in log) */
+#define WMM_PARAM_LOGCWMAX_S 4 /* Shift for CwMax field */
+
+#define WMM_AC_TO_TID(_ac) ( \
+ ((_ac) == WMM_AC_VO) ? 6 : \
+ ((_ac) == WMM_AC_VI) ? 5 : \
+ ((_ac) == WMM_AC_BK) ? 1 : \
+ 0)
+
+#define TID_TO_WMM_AC(_tid) ( \
+ ((_tid) < 1) ? WMM_AC_BE : \
+ ((_tid) < 3) ? WMM_AC_BK : \
+ ((_tid) < 6) ? WMM_AC_VI : \
+ WMM_AC_VO)
+/*
+ * Management information element payloads.
+ */
+
+enum {
+ IEEE80211_ELEMID_SSID = 0,
+ IEEE80211_ELEMID_RATES = 1,
+ IEEE80211_ELEMID_FHPARMS = 2,
+ IEEE80211_ELEMID_DSPARMS = 3,
+ IEEE80211_ELEMID_CFPARMS = 4,
+ IEEE80211_ELEMID_TIM = 5,
+ IEEE80211_ELEMID_IBSSPARMS = 6,
+ IEEE80211_ELEMID_COUNTRY = 7,
+ IEEE80211_ELEMID_CHALLENGE = 16,
+ /* 17-31 reserved for challenge text extension */
+ IEEE80211_ELEMID_PWRCNSTR = 32,
+ IEEE80211_ELEMID_PWRCAP = 33,
+ IEEE80211_ELEMID_TPCREQ = 34,
+ IEEE80211_ELEMID_TPCREP = 35,
+ IEEE80211_ELEMID_SUPPCHAN = 36,
+ IEEE80211_ELEMID_CHANSWITCH = 37,
+ IEEE80211_ELEMID_MEASREQ = 38,
+ IEEE80211_ELEMID_MEASREP = 39,
+ IEEE80211_ELEMID_QUIET = 40,
+ IEEE80211_ELEMID_IBSSDFS = 41,
+ IEEE80211_ELEMID_ERP = 42,
+ IEEE80211_ELEMID_HTCAP_ANA = 45, /* Address ANA, and non-ANA story, for interop. CL#171733 */
+ IEEE80211_ELEMID_RSN = 48,
+ IEEE80211_ELEMID_XRATES = 50,
+ IEEE80211_ELEMID_HTINFO_ANA = 61,
+#ifdef WAPI_ENABLE
+ IEEE80211_ELEMID_WAPI = 68,
+#endif
+ IEEE80211_ELEMID_TPC = 150,
+ IEEE80211_ELEMID_CCKM = 156,
+ IEEE80211_ELEMID_VENDOR = 221, /* vendor private */
+};
+
+#define ATH_OUI 0x7f0300 /* Atheros OUI */
+#define ATH_OUI_TYPE 0x01
+#define ATH_OUI_SUBTYPE 0x01
+#define ATH_OUI_VERSION 0x00
+
+#define WPA_OUI 0xf25000
+#define WPA_OUI_TYPE 0x01
+#define WPA_VERSION 1 /* current supported version */
+
+#define WPA_CSE_NULL 0x00
+#define WPA_CSE_WEP40 0x01
+#define WPA_CSE_TKIP 0x02
+#define WPA_CSE_CCMP 0x04
+#define WPA_CSE_WEP104 0x05
+
+#define WPA_ASE_NONE 0x00
+#define WPA_ASE_8021X_UNSPEC 0x01
+#define WPA_ASE_8021X_PSK 0x02
+
+#define RSN_OUI 0xac0f00
+#define RSN_VERSION 1 /* current supported version */
+
+#define RSN_CSE_NULL 0x00
+#define RSN_CSE_WEP40 0x01
+#define RSN_CSE_TKIP 0x02
+#define RSN_CSE_WRAP 0x03
+#define RSN_CSE_CCMP 0x04
+#define RSN_CSE_WEP104 0x05
+
+#define RSN_ASE_NONE 0x00
+#define RSN_ASE_8021X_UNSPEC 0x01
+#define RSN_ASE_8021X_PSK 0x02
+
+#define RSN_CAP_PREAUTH 0x01
+
+#define WMM_OUI 0xf25000
+#define WMM_OUI_TYPE 0x02
+#define WMM_INFO_OUI_SUBTYPE 0x00
+#define WMM_PARAM_OUI_SUBTYPE 0x01
+#define WMM_VERSION 1
+
+/* WMM stream classes */
+#define WMM_NUM_AC 4
+#define WMM_AC_BE 0 /* best effort */
+#define WMM_AC_BK 1 /* background */
+#define WMM_AC_VI 2 /* video */
+#define WMM_AC_VO 3 /* voice */
+
+/* TSPEC related */
+#define ACTION_CATEGORY_CODE_TSPEC 17
+#define ACTION_CODE_TSPEC_ADDTS 0
+#define ACTION_CODE_TSPEC_ADDTS_RESP 1
+#define ACTION_CODE_TSPEC_DELTS 2
+
+typedef enum {
+ TSPEC_STATUS_CODE_ADMISSION_ACCEPTED = 0,
+ TSPEC_STATUS_CODE_ADDTS_INVALID_PARAMS = 0x1,
+ TSPEC_STATUS_CODE_ADDTS_REQUEST_REFUSED = 0x3,
+ TSPEC_STATUS_CODE_UNSPECIFIED_QOS_RELATED_FAILURE = 0xC8,
+ TSPEC_STATUS_CODE_REQUESTED_REFUSED_POLICY_CONFIGURATION = 0xC9,
+ TSPEC_STATUS_CODE_INSUFFCIENT_BANDWIDTH = 0xCA,
+ TSPEC_STATUS_CODE_INVALID_PARAMS = 0xCB,
+ TSPEC_STATUS_CODE_DELTS_SENT = 0x30,
+ TSPEC_STATUS_CODE_DELTS_RECV = 0x31,
+} TSPEC_STATUS_CODE;
+
+#define TSPEC_TSID_MASK 0xF
+#define TSPEC_TSID_S 1
+
+/*
+ * WMM/802.11e Tspec Element
+ */
+typedef PREPACK struct wmm_tspec_ie_t {
+ A_UINT8 elementId;
+ A_UINT8 len;
+ A_UINT8 oui[3];
+ A_UINT8 ouiType;
+ A_UINT8 ouiSubType;
+ A_UINT8 version;
+ A_UINT16 tsInfo_info;
+ A_UINT8 tsInfo_reserved;
+ A_UINT16 nominalMSDU;
+ A_UINT16 maxMSDU;
+ A_UINT32 minServiceInt;
+ A_UINT32 maxServiceInt;
+ A_UINT32 inactivityInt;
+ A_UINT32 suspensionInt;
+ A_UINT32 serviceStartTime;
+ A_UINT32 minDataRate;
+ A_UINT32 meanDataRate;
+ A_UINT32 peakDataRate;
+ A_UINT32 maxBurstSize;
+ A_UINT32 delayBound;
+ A_UINT32 minPhyRate;
+ A_UINT16 sba;
+ A_UINT16 mediumTime;
+} POSTPACK WMM_TSPEC_IE;
+
+
+/*
+ * BEACON management packets
+ *
+ * octet timestamp[8]
+ * octet beacon interval[2]
+ * octet capability information[2]
+ * information element
+ * octet elemid
+ * octet length
+ * octet information[length]
+ */
+
+#define IEEE80211_BEACON_INTERVAL(beacon) \
+ ((beacon)[8] | ((beacon)[9] << 8))
+#define IEEE80211_BEACON_CAPABILITY(beacon) \
+ ((beacon)[10] | ((beacon)[11] << 8))
+
+#define IEEE80211_CAPINFO_ESS 0x0001
+#define IEEE80211_CAPINFO_IBSS 0x0002
+#define IEEE80211_CAPINFO_CF_POLLABLE 0x0004
+#define IEEE80211_CAPINFO_CF_POLLREQ 0x0008
+#define IEEE80211_CAPINFO_PRIVACY 0x0010
+#define IEEE80211_CAPINFO_SHORT_PREAMBLE 0x0020
+#define IEEE80211_CAPINFO_PBCC 0x0040
+#define IEEE80211_CAPINFO_CHNL_AGILITY 0x0080
+/* bits 8-9 are reserved */
+#define IEEE80211_CAPINFO_SHORT_SLOTTIME 0x0400
+#define IEEE80211_CAPINFO_APSD 0x0800
+/* bit 12 is reserved */
+#define IEEE80211_CAPINFO_DSSSOFDM 0x2000
+/* bits 14-15 are reserved */
+
+/*
+ * Authentication Modes
+ */
+
+enum ieee80211_authmode {
+ IEEE80211_AUTH_NONE = 0,
+ IEEE80211_AUTH_OPEN = 1,
+ IEEE80211_AUTH_SHARED = 2,
+ IEEE80211_AUTH_8021X = 3,
+ IEEE80211_AUTH_AUTO = 4, /* auto-select/accept */
+ /* NB: these are used only for ioctls */
+ IEEE80211_AUTH_WPA = 5, /* WPA/RSN w/ 802.1x */
+ IEEE80211_AUTH_WPA_PSK = 6, /* WPA/RSN w/ PSK */
+ IEEE80211_AUTH_WPA_CCKM = 7, /* WPA/RSN IE w/ CCKM */
+};
+
+#define IEEE80211_PS_MAX_QUEUE 50 /*Maximum no of buffers that can be queues for PS*/
+
+#include "athendpack.h"
+
+#endif /* _NET80211_IEEE80211_H_ */
diff --git a/drivers/net/wireless/ath6kl/wlan/include/ieee80211_node.h b/drivers/net/wireless/ath6kl/wlan/include/ieee80211_node.h
new file mode 100644
index 000000000000..faa1d653509e
--- /dev/null
+++ b/drivers/net/wireless/ath6kl/wlan/include/ieee80211_node.h
@@ -0,0 +1,81 @@
+//------------------------------------------------------------------------------
+// <copyright file="ieee80211_node.h" company="Atheros">
+// Copyright (c) 2004-2008 Atheros Corporation. All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation;
+//
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// Author(s): ="Atheros"
+//==============================================================================
+#ifndef _IEEE80211_NODE_H_
+#define _IEEE80211_NODE_H_
+
+/*
+ * Node locking definitions.
+ */
+#define IEEE80211_NODE_LOCK_INIT(_nt) A_MUTEX_INIT(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_LOCK_DESTROY(_nt) if (A_IS_MUTEX_VALID(&(_nt)->nt_nodelock)) { \
+ A_MUTEX_DELETE(&(_nt)->nt_nodelock); }
+
+#define IEEE80211_NODE_LOCK(_nt) A_MUTEX_LOCK(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_UNLOCK(_nt) A_MUTEX_UNLOCK(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_LOCK_BH(_nt) A_MUTEX_LOCK(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_UNLOCK_BH(_nt) A_MUTEX_UNLOCK(&(_nt)->nt_nodelock)
+#define IEEE80211_NODE_LOCK_ASSERT(_nt)
+
+/*
+ * Node reference counting definitions.
+ *
+ * ieee80211_node_initref initialize the reference count to 1
+ * ieee80211_node_incref add a reference
+ * ieee80211_node_decref remove a reference
+ * ieee80211_node_dectestref remove a reference and return 1 if this
+ * is the last reference, otherwise 0
+ * ieee80211_node_refcnt reference count for printing (only)
+ */
+#define ieee80211_node_initref(_ni) ((_ni)->ni_refcnt = 1)
+#define ieee80211_node_incref(_ni) ((_ni)->ni_refcnt++)
+#define ieee80211_node_decref(_ni) ((_ni)->ni_refcnt--)
+#define ieee80211_node_dectestref(_ni) (((_ni)->ni_refcnt--) == 1)
+#define ieee80211_node_refcnt(_ni) ((_ni)->ni_refcnt)
+
+#define IEEE80211_NODE_HASHSIZE 32
+/* simple hash is enough for variation of macaddr */
+#define IEEE80211_NODE_HASH(addr) \
+ (((const A_UINT8 *)(addr))[IEEE80211_ADDR_LEN - 1] % \
+ IEEE80211_NODE_HASHSIZE)
+
+/*
+ * Table of ieee80211_node instances. Each ieee80211com
+ * has at least one for holding the scan candidates.
+ * When operating as an access point or in ibss mode there
+ * is a second table for associated stations or neighbors.
+ */
+struct ieee80211_node_table {
+ void *nt_wmip; /* back reference */
+ A_MUTEX_T nt_nodelock; /* on node table */
+ struct bss *nt_node_first; /* information of all nodes */
+ struct bss *nt_node_last; /* information of all nodes */
+ struct bss *nt_hash[IEEE80211_NODE_HASHSIZE];
+ const char *nt_name; /* for debugging */
+ A_UINT32 nt_scangen; /* gen# for timeout scan */
+ A_TIMER nt_inact_timer;
+ A_UINT8 isTimerArmed; /* is the node timer armed */
+ A_UINT32 nt_nodeAge; /* node aging time */
+#ifdef OS_ROAM_MANAGEMENT
+ A_UINT32 nt_si_gen; /* gen# for scan indication*/
+#endif
+};
+
+#define WLAN_NODE_INACT_TIMEOUT_MSEC 120000
+
+#endif /* _IEEE80211_NODE_H_ */
diff --git a/drivers/net/wireless/ath6kl/wlan/src/makefile b/drivers/net/wireless/ath6kl/wlan/src/makefile
new file mode 100644
index 000000000000..6e53a111b67f
--- /dev/null
+++ b/drivers/net/wireless/ath6kl/wlan/src/makefile
@@ -0,0 +1,22 @@
+#------------------------------------------------------------------------------
+# <copyright file="makefile" company="Atheros">
+# Copyright (c) 2005-2007 Atheros Corporation. All rights reserved.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation;
+#
+# Software distributed under the License is distributed on an "AS
+# IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+# implied. See the License for the specific language governing
+# rights and limitations under the License.
+#
+#
+#------------------------------------------------------------------------------
+#==============================================================================
+# Author(s): ="Atheros"
+#==============================================================================
+!INCLUDE $(_MAKEENVROOT)\makefile.def
+
+
+
diff --git a/drivers/net/wireless/ath6kl/wlan/src/wlan_node.c b/drivers/net/wireless/ath6kl/wlan/src/wlan_node.c
new file mode 100644
index 000000000000..4f87d031459c
--- /dev/null
+++ b/drivers/net/wireless/ath6kl/wlan/src/wlan_node.c
@@ -0,0 +1,569 @@
+//------------------------------------------------------------------------------
+// <copyright file="wlan_node.c" company="Atheros">
+// Copyright (c) 2004-2008 Atheros Corporation. All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation;
+//
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// IEEE 802.11 node handling support.
+//
+// Author(s): ="Atheros"
+//==============================================================================
+#include <a_config.h>
+#include <athdefs.h>
+#include <a_types.h>
+#include <a_osapi.h>
+#define ATH_MODULE_NAME wlan
+#include <a_debug.h>
+#include "htc.h"
+#include "htc_api.h"
+#include <wmi.h>
+#include <ieee80211.h>
+#include <wlan_api.h>
+#include <wmi_api.h>
+#include <ieee80211_node.h>
+
+#define ATH_DEBUG_WLAN ATH_DEBUG_MAKE_MODULE_MASK(0)
+
+#ifdef DEBUG
+
+static ATH_DEBUG_MASK_DESCRIPTION wlan_debug_desc[] = {
+ { ATH_DEBUG_WLAN , "General WLAN Node Tracing"},
+};
+
+ATH_DEBUG_INSTANTIATE_MODULE_VAR(wlan,
+ "wlan",
+ "WLAN Node Management",
+ ATH_DEBUG_MASK_DEFAULTS,
+ ATH_DEBUG_DESCRIPTION_COUNT(wlan_debug_desc),
+ wlan_debug_desc);
+
+#endif
+
+static void wlan_node_timeout(A_ATH_TIMER arg);
+
+static bss_t * _ieee80211_find_node (struct ieee80211_node_table *nt,
+ const A_UINT8 *macaddr);
+
+bss_t *
+wlan_node_alloc(struct ieee80211_node_table *nt, int wh_size)
+{
+ bss_t *ni;
+
+ ni = A_MALLOC_NOWAIT(sizeof(bss_t));
+
+ if (ni != NULL) {
+ if (wh_size)
+ {
+ ni->ni_buf = A_MALLOC_NOWAIT(wh_size);
+ if (ni->ni_buf == NULL) {
+ A_FREE(ni);
+ ni = NULL;
+ return ni;
+ }
+ }
+ } else {
+ return ni;
+ }
+
+ /* Make sure our lists are clean */
+ ni->ni_list_next = NULL;
+ ni->ni_list_prev = NULL;
+ ni->ni_hash_next = NULL;
+ ni->ni_hash_prev = NULL;
+
+ //
+ // ni_scangen never initialized before and during suspend/resume of winmobile,
+ // that some junk has been stored in this, due to this scan list didn't properly updated
+ //
+ ni->ni_scangen = 0;
+
+#ifdef OS_ROAM_MANAGEMENT
+ ni->ni_si_gen = 0;
+#endif
+
+ return ni;
+}
+
+void
+wlan_node_free(bss_t *ni)
+{
+ if (ni->ni_buf != NULL) {
+ A_FREE(ni->ni_buf);
+ }
+ A_FREE(ni);
+}
+
+void
+wlan_setup_node(struct ieee80211_node_table *nt, bss_t *ni,
+ const A_UINT8 *macaddr)
+{
+ int hash;
+ A_UINT32 timeoutValue = 0;
+
+ A_MEMCPY(ni->ni_macaddr, macaddr, IEEE80211_ADDR_LEN);
+ hash = IEEE80211_NODE_HASH (macaddr);
+ ieee80211_node_initref (ni); /* mark referenced */
+
+ timeoutValue = nt->nt_nodeAge;
+
+ ni->ni_tstamp = A_GET_MS (timeoutValue);
+
+ IEEE80211_NODE_LOCK_BH(nt);
+
+ /* Insert at the end of the node list */
+ ni->ni_list_next = NULL;
+ ni->ni_list_prev = nt->nt_node_last;
+ if(nt->nt_node_last != NULL)
+ {
+ nt->nt_node_last->ni_list_next = ni;
+ }
+ nt->nt_node_last = ni;
+ if(nt->nt_node_first == NULL)
+ {
+ nt->nt_node_first = ni;
+ }
+
+ /* Insert into the hash list i.e. the bucket */
+ if((ni->ni_hash_next = nt->nt_hash[hash]) != NULL)
+ {
+ nt->nt_hash[hash]->ni_hash_prev = ni;
+ }
+ ni->ni_hash_prev = NULL;
+ nt->nt_hash[hash] = ni;
+
+ if (!nt->isTimerArmed) {
+ A_TIMEOUT_MS(&nt->nt_inact_timer, timeoutValue, 0);
+ nt->isTimerArmed = TRUE;
+ }
+
+ IEEE80211_NODE_UNLOCK_BH(nt);
+}
+
+static bss_t *
+_ieee80211_find_node(struct ieee80211_node_table *nt,
+ const A_UINT8 *macaddr)
+{
+ bss_t *ni;
+ int hash;
+
+ IEEE80211_NODE_LOCK_ASSERT(nt);
+
+ hash = IEEE80211_NODE_HASH(macaddr);
+ for(ni = nt->nt_hash[hash]; ni; ni = ni->ni_hash_next) {
+ if (IEEE80211_ADDR_EQ(ni->ni_macaddr, macaddr)) {
+ ieee80211_node_incref(ni); /* mark referenced */
+ return ni;
+ }
+ }
+ return NULL;
+}
+
+bss_t *
+wlan_find_node(struct ieee80211_node_table *nt, const A_UINT8 *macaddr)
+{
+ bss_t *ni;
+
+ IEEE80211_NODE_LOCK(nt);
+ ni = _ieee80211_find_node(nt, macaddr);
+ IEEE80211_NODE_UNLOCK(nt);
+ return ni;
+}
+
+/*
+ * Reclaim a node. If this is the last reference count then
+ * do the normal free work. Otherwise remove it from the node
+ * table and mark it gone by clearing the back-reference.
+ */
+void
+wlan_node_reclaim(struct ieee80211_node_table *nt, bss_t *ni)
+{
+ IEEE80211_NODE_LOCK(nt);
+
+ if(ni->ni_list_prev == NULL)
+ {
+ /* First in list so fix the list head */
+ nt->nt_node_first = ni->ni_list_next;
+ }
+ else
+ {
+ ni->ni_list_prev->ni_list_next = ni->ni_list_next;
+ }
+
+ if(ni->ni_list_next == NULL)
+ {
+ /* Last in list so fix list tail */
+ nt->nt_node_last = ni->ni_list_prev;
+ }
+ else
+ {
+ ni->ni_list_next->ni_list_prev = ni->ni_list_prev;
+ }
+
+ if(ni->ni_hash_prev == NULL)
+ {
+ /* First in list so fix the list head */
+ int hash;
+ hash = IEEE80211_NODE_HASH(ni->ni_macaddr);
+ nt->nt_hash[hash] = ni->ni_hash_next;
+ }
+ else
+ {
+ ni->ni_hash_prev->ni_hash_next = ni->ni_hash_next;
+ }
+
+ if(ni->ni_hash_next != NULL)
+ {
+ ni->ni_hash_next->ni_hash_prev = ni->ni_hash_prev;
+ }
+ wlan_node_free(ni);
+
+ IEEE80211_NODE_UNLOCK(nt);
+}
+
+static void
+wlan_node_dec_free(bss_t *ni)
+{
+ if (ieee80211_node_dectestref(ni)) {
+ wlan_node_free(ni);
+ }
+}
+
+void
+wlan_free_allnodes(struct ieee80211_node_table *nt)
+{
+ bss_t *ni;
+
+ while ((ni = nt->nt_node_first) != NULL) {
+ wlan_node_reclaim(nt, ni);
+ }
+}
+
+void
+wlan_iterate_nodes(struct ieee80211_node_table *nt, wlan_node_iter_func *f,
+ void *arg)
+{
+ bss_t *ni;
+ A_UINT32 gen;
+
+ gen = ++nt->nt_scangen;
+
+ IEEE80211_NODE_LOCK(nt);
+ for (ni = nt->nt_node_first; ni; ni = ni->ni_list_next) {
+ if (ni->ni_scangen != gen) {
+ ni->ni_scangen = gen;
+ (void) ieee80211_node_incref(ni);
+ (*f)(arg, ni);
+ wlan_node_dec_free(ni);
+ }
+ }
+ IEEE80211_NODE_UNLOCK(nt);
+}
+
+/*
+ * Node table support.
+ */
+void
+wlan_node_table_init(void *wmip, struct ieee80211_node_table *nt)
+{
+ int i;
+
+ AR_DEBUG_PRINTF(ATH_DEBUG_WLAN, ("node table = 0x%x\n", (A_UINT32)nt));
+ IEEE80211_NODE_LOCK_INIT(nt);
+
+ A_REGISTER_MODULE_DEBUG_INFO(wlan);
+
+ nt->nt_node_first = nt->nt_node_last = NULL;
+ for(i = 0; i < IEEE80211_NODE_HASHSIZE; i++)
+ {
+ nt->nt_hash[i] = NULL;
+ }
+
+ A_INIT_TIMER(&nt->nt_inact_timer, wlan_node_timeout, nt);
+ nt->isTimerArmed = FALSE;
+ nt->nt_wmip = wmip;
+ nt->nt_nodeAge = WLAN_NODE_INACT_TIMEOUT_MSEC;
+
+ //
+ // nt_scangen never initialized before and during suspend/resume of winmobile,
+ // that some junk has been stored in this, due to this scan list didn't properly updated
+ //
+ nt->nt_scangen = 0;
+
+#ifdef OS_ROAM_MANAGEMENT
+ nt->nt_si_gen = 0;
+#endif
+}
+
+void
+wlan_set_nodeage(struct ieee80211_node_table *nt, A_UINT32 nodeAge)
+{
+ nt->nt_nodeAge = nodeAge;
+ return;
+}
+static void
+wlan_node_timeout (A_ATH_TIMER arg)
+{
+ struct ieee80211_node_table *nt = (struct ieee80211_node_table *)arg;
+ bss_t *bss, *nextBss;
+ A_UINT8 myBssid[IEEE80211_ADDR_LEN], reArmTimer = FALSE;
+ A_UINT32 timeoutValue = 0;
+
+ timeoutValue = nt->nt_nodeAge;
+
+ wmi_get_current_bssid(nt->nt_wmip, myBssid);
+
+ bss = nt->nt_node_first;
+ while (bss != NULL)
+ {
+ nextBss = bss->ni_list_next;
+ if (A_MEMCMP(myBssid, bss->ni_macaddr, sizeof(myBssid)) != 0)
+ {
+
+ if (bss->ni_tstamp <= A_GET_MS(0))
+ {
+ /*
+ * free up all but the current bss - if set
+ */
+ wlan_node_reclaim(nt, bss);
+ }
+ else
+ {
+ /*
+ * Re-arm timer, only when we have a bss other than
+ * current bss AND it is not aged-out.
+ */
+ reArmTimer = TRUE;
+ }
+ }
+ bss = nextBss;
+ }
+
+ if (reArmTimer)
+ A_TIMEOUT_MS (&nt->nt_inact_timer, timeoutValue, 0);
+
+ nt->isTimerArmed = reArmTimer;
+}
+
+void
+wlan_node_table_cleanup(struct ieee80211_node_table *nt)
+{
+ A_UNTIMEOUT(&nt->nt_inact_timer);
+ A_DELETE_TIMER(&nt->nt_inact_timer);
+ wlan_free_allnodes(nt);
+ IEEE80211_NODE_LOCK_DESTROY(nt);
+}
+
+bss_t *
+wlan_find_Ssidnode (struct ieee80211_node_table *nt, A_UCHAR *pSsid,
+ A_UINT32 ssidLength, A_BOOL bIsWPA2, A_BOOL bMatchSSID)
+{
+ bss_t *ni = NULL;
+ A_UCHAR *pIESsid = NULL;
+
+ IEEE80211_NODE_LOCK (nt);
+
+ for (ni = nt->nt_node_first; ni; ni = ni->ni_list_next) {
+ pIESsid = ni->ni_cie.ie_ssid;
+ if (pIESsid[1] <= 32) {
+
+ // Step 1 : Check SSID
+ if (0x00 == memcmp (pSsid, &pIESsid[2], ssidLength)) {
+
+ //
+ // Step 2.1 : Check MatchSSID is TRUE, if so, return Matched SSID
+ // Profile, otherwise check whether WPA2 or WPA
+ //
+ if (TRUE == bMatchSSID) {
+ ieee80211_node_incref (ni); /* mark referenced */
+ IEEE80211_NODE_UNLOCK (nt);
+ return ni;
+ }
+
+ // Step 2 : if SSID matches, check WPA or WPA2
+ if (TRUE == bIsWPA2 && NULL != ni->ni_cie.ie_rsn) {
+ ieee80211_node_incref (ni); /* mark referenced */
+ IEEE80211_NODE_UNLOCK (nt);
+ return ni;
+ }
+ if (FALSE == bIsWPA2 && NULL != ni->ni_cie.ie_wpa) {
+ ieee80211_node_incref(ni); /* mark referenced */
+ IEEE80211_NODE_UNLOCK (nt);
+ return ni;
+ }
+ }
+ }
+ }
+
+ IEEE80211_NODE_UNLOCK (nt);
+
+ return NULL;
+}
+
+void
+wlan_node_return (struct ieee80211_node_table *nt, bss_t *ni)
+{
+ IEEE80211_NODE_LOCK (nt);
+ wlan_node_dec_free (ni);
+ IEEE80211_NODE_UNLOCK (nt);
+}
+
+void
+wlan_node_remove_core (struct ieee80211_node_table *nt, bss_t *ni)
+{
+ if(ni->ni_list_prev == NULL)
+ {
+ /* First in list so fix the list head */
+ nt->nt_node_first = ni->ni_list_next;
+ }
+ else
+ {
+ ni->ni_list_prev->ni_list_next = ni->ni_list_next;
+ }
+
+ if(ni->ni_list_next == NULL)
+ {
+ /* Last in list so fix list tail */
+ nt->nt_node_last = ni->ni_list_prev;
+ }
+ else
+ {
+ ni->ni_list_next->ni_list_prev = ni->ni_list_prev;
+ }
+
+ if(ni->ni_hash_prev == NULL)
+ {
+ /* First in list so fix the list head */
+ int hash;
+ hash = IEEE80211_NODE_HASH(ni->ni_macaddr);
+ nt->nt_hash[hash] = ni->ni_hash_next;
+ }
+ else
+ {
+ ni->ni_hash_prev->ni_hash_next = ni->ni_hash_next;
+ }
+
+ if(ni->ni_hash_next != NULL)
+ {
+ ni->ni_hash_next->ni_hash_prev = ni->ni_hash_prev;
+ }
+}
+
+bss_t *
+wlan_node_remove(struct ieee80211_node_table *nt, A_UINT8 *bssid)
+{
+ bss_t *bss, *nextBss;
+
+ IEEE80211_NODE_LOCK(nt);
+
+ bss = nt->nt_node_first;
+
+ while (bss != NULL)
+ {
+ nextBss = bss->ni_list_next;
+
+ if (A_MEMCMP(bssid, bss->ni_macaddr, 6) == 0)
+ {
+ wlan_node_remove_core (nt, bss);
+ IEEE80211_NODE_UNLOCK(nt);
+ return bss;
+ }
+
+ bss = nextBss;
+ }
+
+ IEEE80211_NODE_UNLOCK(nt);
+ return NULL;
+}
+
+bss_t *
+wlan_find_matching_Ssidnode (struct ieee80211_node_table *nt, A_UCHAR *pSsid,
+ A_UINT32 ssidLength, A_UINT32 dot11AuthMode, A_UINT32 authMode,
+ A_UINT32 pairwiseCryptoType, A_UINT32 grpwiseCryptoTyp)
+{
+ bss_t *ni = NULL;
+ bss_t *best_ni = NULL;
+ A_UCHAR *pIESsid = NULL;
+
+ IEEE80211_NODE_LOCK (nt);
+
+ for (ni = nt->nt_node_first; ni; ni = ni->ni_list_next) {
+ pIESsid = ni->ni_cie.ie_ssid;
+ if (pIESsid[1] <= 32) {
+
+ // Step 1 : Check SSID
+ if (0x00 == memcmp (pSsid, &pIESsid[2], ssidLength)) {
+
+ if (ni->ni_cie.ie_capInfo & 0x10)
+ {
+
+ if ((NULL != ni->ni_cie.ie_rsn) && (WPA2_PSK_AUTH == authMode))
+ {
+ /* WPA2 */
+ if (NULL == best_ni)
+ {
+ best_ni = ni;
+ }
+ else if (ni->ni_rssi > best_ni->ni_rssi)
+ {
+ best_ni = ni;
+ }
+ }
+ else if ((NULL != ni->ni_cie.ie_wpa) && (WPA_PSK_AUTH == authMode))
+ {
+ /* WPA */
+ if (NULL == best_ni)
+ {
+ best_ni = ni;
+ }
+ else if (ni->ni_rssi > best_ni->ni_rssi)
+ {
+ best_ni = ni;
+ }
+ }
+ else if (WEP_CRYPT == pairwiseCryptoType)
+ {
+ /* WEP */
+ if (NULL == best_ni)
+ {
+ best_ni = ni;
+ }
+ else if (ni->ni_rssi > best_ni->ni_rssi)
+ {
+ best_ni = ni;
+ }
+ }
+ }
+ else
+ {
+ /* open AP */
+ if ((OPEN_AUTH == authMode) && (NONE_CRYPT == pairwiseCryptoType))
+ {
+ if (NULL == best_ni)
+ {
+ best_ni = ni;
+ }
+ else if (ni->ni_rssi > best_ni->ni_rssi)
+ {
+ best_ni = ni;
+ }
+ }
+ }
+ }
+ }
+ }
+
+ IEEE80211_NODE_UNLOCK (nt);
+
+ return best_ni;
+}
+
diff --git a/drivers/net/wireless/ath6kl/wlan/src/wlan_recv_beacon.c b/drivers/net/wireless/ath6kl/wlan/src/wlan_recv_beacon.c
new file mode 100644
index 000000000000..0d5bce78165f
--- /dev/null
+++ b/drivers/net/wireless/ath6kl/wlan/src/wlan_recv_beacon.c
@@ -0,0 +1,196 @@
+//------------------------------------------------------------------------------
+// <copyright file="wlan_recv_beacon.c" company="Atheros">
+// Copyright (c) 2004-2008 Atheros Corporation. All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation;
+//
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// IEEE 802.11 input handling.
+//
+// Author(s): ="Atheros"
+//==============================================================================
+
+#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);
+}
+
+/* unused functions for now */
+#if 0
+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;
+}
+#endif
+
+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;
+ A_UINT8 elemid_ssid = FALSE;
+
+ 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:
+ 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 A_OK;
+}
diff --git a/drivers/net/wireless/ath6kl/wlan/src/wlan_utils.c b/drivers/net/wireless/ath6kl/wlan/src/wlan_utils.c
new file mode 100644
index 000000000000..0d1c24ec1ca6
--- /dev/null
+++ b/drivers/net/wireless/ath6kl/wlan/src/wlan_utils.c
@@ -0,0 +1,57 @@
+//------------------------------------------------------------------------------
+// <copyright file="wlan_utils.c" company="Atheros">
+// Copyright (c) 2004-2008 Atheros Corporation. All rights reserved.
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation;
+//
+// Software distributed under the License is distributed on an "AS
+// IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+// implied. See the License for the specific language governing
+// rights and limitations under the License.
+//
+//
+//------------------------------------------------------------------------------
+//==============================================================================
+// This module implements frequently used wlan utilies
+//
+// Author(s): ="Atheros"
+//==============================================================================
+#include <a_config.h>
+#include <athdefs.h>
+#include <a_types.h>
+#include <a_osapi.h>
+
+/*
+ * converts ieee channel number to frequency
+ */
+A_UINT16
+wlan_ieee2freq(int chan)
+{
+ if (chan == 14) {
+ return 2484;
+ }
+ if (chan < 14) { /* 0-13 */
+ return (2407 + (chan*5));
+ }
+ if (chan < 27) { /* 15-26 */
+ return (2512 + ((chan-15)*20));
+ }
+ return (5000 + (chan*5));
+}
+
+/*
+ * Converts MHz frequency to IEEE channel number.
+ */
+A_UINT32
+wlan_freq2ieee(A_UINT16 freq)
+{
+ if (freq == 2484)
+ return 14;
+ if (freq < 2484)
+ return (freq - 2407) / 5;
+ if (freq < 5000)
+ return 15 + ((freq - 2512) / 20);
+ return (freq - 5000) / 5;
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-30 12:35:50 +0000