Initial import

1 files changed, 1008 insertions, 0 deletions

diff --git a/drivers/net/wireless/ipw2x00/libipw.h b/drivers/net/wireless/ipw2x00/libipw.h
new file mode 100644
index 000000000..b0571618c
--- /dev/null
+++ b/drivers/net/wireless/ipw2x00/libipw.h
@@ -0,0 +1,1008 @@
+/*
+ * Merged with mainline ieee80211.h in Aug 2004.  Original ieee802_11
+ * remains copyright by the original authors
+ *
+ * Portions of the merged code are based on Host AP (software wireless
+ * LAN access point) driver for Intersil Prism2/2.5/3.
+ *
+ * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
+ * <j@w1.fi>
+ * Copyright (c) 2002-2003, Jouni Malinen <j@w1.fi>
+ *
+ * Adaption to a generic IEEE 802.11 stack by James Ketrenos
+ * <jketreno@linux.intel.com>
+ * Copyright (c) 2004-2005, Intel Corporation
+ *
+ * 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. See README and COPYING for
+ * more details.
+ *
+ * API Version History
+ * 1.0.x -- Initial version
+ * 1.1.x -- Added radiotap, QoS, TIM, libipw_geo APIs,
+ *          various structure changes, and crypto API init method
+ */
+#ifndef LIBIPW_H
+#define LIBIPW_H
+#include <linux/if_ether.h>	/* ETH_ALEN */
+#include <linux/kernel.h>	/* ARRAY_SIZE */
+#include <linux/wireless.h>
+#include <linux/ieee80211.h>
+
+#include <net/lib80211.h>
+#include <net/cfg80211.h>
+
+#define LIBIPW_VERSION "git-1.1.13"
+
+#define LIBIPW_DATA_LEN		2304
+/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
+   6.2.1.1.2.
+
+   The figure in section 7.1.2 suggests a body size of up to 2312
+   bytes is allowed, which is a bit confusing, I suspect this
+   represents the 2304 bytes of real data, plus a possible 8 bytes of
+   WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
+
+#define LIBIPW_1ADDR_LEN 10
+#define LIBIPW_2ADDR_LEN 16
+#define LIBIPW_3ADDR_LEN 24
+#define LIBIPW_4ADDR_LEN 30
+#define LIBIPW_FCS_LEN    4
+#define LIBIPW_HLEN			(LIBIPW_4ADDR_LEN)
+#define LIBIPW_FRAME_LEN		(LIBIPW_DATA_LEN + LIBIPW_HLEN)
+
+#define MIN_FRAG_THRESHOLD     256U
+#define	MAX_FRAG_THRESHOLD     2346U
+
+/* QOS control */
+#define LIBIPW_QCTL_TID		0x000F
+
+/* debug macros */
+
+#ifdef CONFIG_LIBIPW_DEBUG
+extern u32 libipw_debug_level;
+#define LIBIPW_DEBUG(level, fmt, args...) \
+do { if (libipw_debug_level & (level)) \
+  printk(KERN_DEBUG "libipw: %c %s " fmt, \
+         in_interrupt() ? 'I' : 'U', __func__ , ## args); } while (0)
+#else
+#define LIBIPW_DEBUG(level, fmt, args...) do {} while (0)
+#endif				/* CONFIG_LIBIPW_DEBUG */
+
+/*
+ * To use the debug system:
+ *
+ * If you are defining a new debug classification, simply add it to the #define
+ * list here in the form of:
+ *
+ * #define LIBIPW_DL_xxxx VALUE
+ *
+ * shifting value to the left one bit from the previous entry.  xxxx should be
+ * the name of the classification (for example, WEP)
+ *
+ * You then need to either add a LIBIPW_xxxx_DEBUG() macro definition for your
+ * classification, or use LIBIPW_DEBUG(LIBIPW_DL_xxxx, ...) whenever you want
+ * to send output to that classification.
+ *
+ * To add your debug level to the list of levels seen when you perform
+ *
+ * % cat /proc/net/ieee80211/debug_level
+ *
+ * you simply need to add your entry to the libipw_debug_level array.
+ *
+ * If you do not see debug_level in /proc/net/ieee80211 then you do not have
+ * CONFIG_LIBIPW_DEBUG defined in your kernel configuration
+ *
+ */
+
+#define LIBIPW_DL_INFO          (1<<0)
+#define LIBIPW_DL_WX            (1<<1)
+#define LIBIPW_DL_SCAN          (1<<2)
+#define LIBIPW_DL_STATE         (1<<3)
+#define LIBIPW_DL_MGMT          (1<<4)
+#define LIBIPW_DL_FRAG          (1<<5)
+#define LIBIPW_DL_DROP          (1<<7)
+
+#define LIBIPW_DL_TX            (1<<8)
+#define LIBIPW_DL_RX            (1<<9)
+#define LIBIPW_DL_QOS           (1<<31)
+
+#define LIBIPW_ERROR(f, a...) printk(KERN_ERR "libipw: " f, ## a)
+#define LIBIPW_WARNING(f, a...) printk(KERN_WARNING "libipw: " f, ## a)
+#define LIBIPW_DEBUG_INFO(f, a...)   LIBIPW_DEBUG(LIBIPW_DL_INFO, f, ## a)
+
+#define LIBIPW_DEBUG_WX(f, a...)     LIBIPW_DEBUG(LIBIPW_DL_WX, f, ## a)
+#define LIBIPW_DEBUG_SCAN(f, a...)   LIBIPW_DEBUG(LIBIPW_DL_SCAN, f, ## a)
+#define LIBIPW_DEBUG_STATE(f, a...)  LIBIPW_DEBUG(LIBIPW_DL_STATE, f, ## a)
+#define LIBIPW_DEBUG_MGMT(f, a...)  LIBIPW_DEBUG(LIBIPW_DL_MGMT, f, ## a)
+#define LIBIPW_DEBUG_FRAG(f, a...)  LIBIPW_DEBUG(LIBIPW_DL_FRAG, f, ## a)
+#define LIBIPW_DEBUG_DROP(f, a...)  LIBIPW_DEBUG(LIBIPW_DL_DROP, f, ## a)
+#define LIBIPW_DEBUG_TX(f, a...)  LIBIPW_DEBUG(LIBIPW_DL_TX, f, ## a)
+#define LIBIPW_DEBUG_RX(f, a...)  LIBIPW_DEBUG(LIBIPW_DL_RX, f, ## a)
+#define LIBIPW_DEBUG_QOS(f, a...)  LIBIPW_DEBUG(LIBIPW_DL_QOS, f, ## a)
+#include <linux/netdevice.h>
+#include <linux/if_arp.h>	/* ARPHRD_ETHER */
+
+#ifndef WIRELESS_SPY
+#define WIRELESS_SPY		/* enable iwspy support */
+#endif
+#include <net/iw_handler.h>	/* new driver API */
+
+#define ETH_P_PREAUTH 0x88C7	/* IEEE 802.11i pre-authentication */
+
+#ifndef ETH_P_80211_RAW
+#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
+#endif
+
+/* IEEE 802.11 defines */
+
+#define P80211_OUI_LEN 3
+
+struct libipw_snap_hdr {
+
+	u8 dsap;		/* always 0xAA */
+	u8 ssap;		/* always 0xAA */
+	u8 ctrl;		/* always 0x03 */
+	u8 oui[P80211_OUI_LEN];	/* organizational universal id */
+
+} __packed;
+
+#define SNAP_SIZE sizeof(struct libipw_snap_hdr)
+
+#define WLAN_FC_GET_VERS(fc) ((fc) & IEEE80211_FCTL_VERS)
+#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
+#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
+
+#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
+#define WLAN_GET_SEQ_SEQ(seq)  (((seq) & IEEE80211_SCTL_SEQ) >> 4)
+
+#define LIBIPW_STATMASK_SIGNAL (1<<0)
+#define LIBIPW_STATMASK_RSSI (1<<1)
+#define LIBIPW_STATMASK_NOISE (1<<2)
+#define LIBIPW_STATMASK_RATE (1<<3)
+#define LIBIPW_STATMASK_WEMASK 0x7
+
+#define LIBIPW_CCK_MODULATION    (1<<0)
+#define LIBIPW_OFDM_MODULATION   (1<<1)
+
+#define LIBIPW_24GHZ_BAND     (1<<0)
+#define LIBIPW_52GHZ_BAND     (1<<1)
+
+#define LIBIPW_CCK_RATE_1MB		        0x02
+#define LIBIPW_CCK_RATE_2MB		        0x04
+#define LIBIPW_CCK_RATE_5MB		        0x0B
+#define LIBIPW_CCK_RATE_11MB		        0x16
+#define LIBIPW_OFDM_RATE_6MB		        0x0C
+#define LIBIPW_OFDM_RATE_9MB		        0x12
+#define LIBIPW_OFDM_RATE_12MB		0x18
+#define LIBIPW_OFDM_RATE_18MB		0x24
+#define LIBIPW_OFDM_RATE_24MB		0x30
+#define LIBIPW_OFDM_RATE_36MB		0x48
+#define LIBIPW_OFDM_RATE_48MB		0x60
+#define LIBIPW_OFDM_RATE_54MB		0x6C
+#define LIBIPW_BASIC_RATE_MASK		0x80
+
+#define LIBIPW_CCK_RATE_1MB_MASK		(1<<0)
+#define LIBIPW_CCK_RATE_2MB_MASK		(1<<1)
+#define LIBIPW_CCK_RATE_5MB_MASK		(1<<2)
+#define LIBIPW_CCK_RATE_11MB_MASK		(1<<3)
+#define LIBIPW_OFDM_RATE_6MB_MASK		(1<<4)
+#define LIBIPW_OFDM_RATE_9MB_MASK		(1<<5)
+#define LIBIPW_OFDM_RATE_12MB_MASK		(1<<6)
+#define LIBIPW_OFDM_RATE_18MB_MASK		(1<<7)
+#define LIBIPW_OFDM_RATE_24MB_MASK		(1<<8)
+#define LIBIPW_OFDM_RATE_36MB_MASK		(1<<9)
+#define LIBIPW_OFDM_RATE_48MB_MASK		(1<<10)
+#define LIBIPW_OFDM_RATE_54MB_MASK		(1<<11)
+
+#define LIBIPW_CCK_RATES_MASK	        0x0000000F
+#define LIBIPW_CCK_BASIC_RATES_MASK	(LIBIPW_CCK_RATE_1MB_MASK | \
+	LIBIPW_CCK_RATE_2MB_MASK)
+#define LIBIPW_CCK_DEFAULT_RATES_MASK	(LIBIPW_CCK_BASIC_RATES_MASK | \
+        LIBIPW_CCK_RATE_5MB_MASK | \
+        LIBIPW_CCK_RATE_11MB_MASK)
+
+#define LIBIPW_OFDM_RATES_MASK		0x00000FF0
+#define LIBIPW_OFDM_BASIC_RATES_MASK	(LIBIPW_OFDM_RATE_6MB_MASK | \
+	LIBIPW_OFDM_RATE_12MB_MASK | \
+	LIBIPW_OFDM_RATE_24MB_MASK)
+#define LIBIPW_OFDM_DEFAULT_RATES_MASK	(LIBIPW_OFDM_BASIC_RATES_MASK | \
+	LIBIPW_OFDM_RATE_9MB_MASK  | \
+	LIBIPW_OFDM_RATE_18MB_MASK | \
+	LIBIPW_OFDM_RATE_36MB_MASK | \
+	LIBIPW_OFDM_RATE_48MB_MASK | \
+	LIBIPW_OFDM_RATE_54MB_MASK)
+#define LIBIPW_DEFAULT_RATES_MASK (LIBIPW_OFDM_DEFAULT_RATES_MASK | \
+                                LIBIPW_CCK_DEFAULT_RATES_MASK)
+
+#define LIBIPW_NUM_OFDM_RATES	    8
+#define LIBIPW_NUM_CCK_RATES	            4
+#define LIBIPW_OFDM_SHIFT_MASK_A         4
+
+/* NOTE: This data is for statistical purposes; not all hardware provides this
+ *       information for frames received.
+ *       For libipw_rx_mgt, you need to set at least the 'len' parameter.
+ */
+struct libipw_rx_stats {
+	u32 mac_time;
+	s8 rssi;
+	u8 signal;
+	u8 noise;
+	u16 rate;		/* in 100 kbps */
+	u8 received_channel;
+	u8 control;
+	u8 mask;
+	u8 freq;
+	u16 len;
+	u64 tsf;
+	u32 beacon_time;
+};
+
+/* IEEE 802.11 requires that STA supports concurrent reception of at least
+ * three fragmented frames. This define can be increased to support more
+ * concurrent frames, but it should be noted that each entry can consume about
+ * 2 kB of RAM and increasing cache size will slow down frame reassembly. */
+#define LIBIPW_FRAG_CACHE_LEN 4
+
+struct libipw_frag_entry {
+	unsigned long first_frag_time;
+	unsigned int seq;
+	unsigned int last_frag;
+	struct sk_buff *skb;
+	u8 src_addr[ETH_ALEN];
+	u8 dst_addr[ETH_ALEN];
+};
+
+struct libipw_stats {
+	unsigned int tx_unicast_frames;
+	unsigned int tx_multicast_frames;
+	unsigned int tx_fragments;
+	unsigned int tx_unicast_octets;
+	unsigned int tx_multicast_octets;
+	unsigned int tx_deferred_transmissions;
+	unsigned int tx_single_retry_frames;
+	unsigned int tx_multiple_retry_frames;
+	unsigned int tx_retry_limit_exceeded;
+	unsigned int tx_discards;
+	unsigned int rx_unicast_frames;
+	unsigned int rx_multicast_frames;
+	unsigned int rx_fragments;
+	unsigned int rx_unicast_octets;
+	unsigned int rx_multicast_octets;
+	unsigned int rx_fcs_errors;
+	unsigned int rx_discards_no_buffer;
+	unsigned int tx_discards_wrong_sa;
+	unsigned int rx_discards_undecryptable;
+	unsigned int rx_message_in_msg_fragments;
+	unsigned int rx_message_in_bad_msg_fragments;
+};
+
+struct libipw_device;
+
+#define SEC_KEY_1		(1<<0)
+#define SEC_KEY_2		(1<<1)
+#define SEC_KEY_3		(1<<2)
+#define SEC_KEY_4		(1<<3)
+#define SEC_ACTIVE_KEY		(1<<4)
+#define SEC_AUTH_MODE		(1<<5)
+#define SEC_UNICAST_GROUP	(1<<6)
+#define SEC_LEVEL		(1<<7)
+#define SEC_ENABLED		(1<<8)
+#define SEC_ENCRYPT		(1<<9)
+
+#define SEC_LEVEL_0		0	/* None */
+#define SEC_LEVEL_1		1	/* WEP 40 and 104 bit */
+#define SEC_LEVEL_2		2	/* Level 1 + TKIP */
+#define SEC_LEVEL_2_CKIP	3	/* Level 1 + CKIP */
+#define SEC_LEVEL_3		4	/* Level 2 + CCMP */
+
+#define SEC_ALG_NONE		0
+#define SEC_ALG_WEP		1
+#define SEC_ALG_TKIP		2
+#define SEC_ALG_CCMP		3
+
+#define WEP_KEYS		4
+#define WEP_KEY_LEN		13
+#define SCM_KEY_LEN		32
+#define SCM_TEMPORAL_KEY_LENGTH	16
+
+struct libipw_security {
+	u16 active_key:2, enabled:1, unicast_uses_group:1, encrypt:1;
+	u8 auth_mode;
+	u8 encode_alg[WEP_KEYS];
+	u8 key_sizes[WEP_KEYS];
+	u8 keys[WEP_KEYS][SCM_KEY_LEN];
+	u8 level;
+	u16 flags;
+} __packed;
+
+/*
+
+ 802.11 data frame from AP
+
+      ,-------------------------------------------------------------------.
+Bytes |  2   |  2   |    6    |    6    |    6    |  2   | 0..2312 |   4  |
+      |------|------|---------|---------|---------|------|---------|------|
+Desc. | ctrl | dura |  DA/RA  |   TA    |    SA   | Sequ |  frame  |  fcs |
+      |      | tion | (BSSID) |         |         | ence |  data   |      |
+      `-------------------------------------------------------------------'
+
+Total: 28-2340 bytes
+
+*/
+
+#define BEACON_PROBE_SSID_ID_POSITION 12
+
+struct libipw_hdr_1addr {
+	__le16 frame_ctl;
+	__le16 duration_id;
+	u8 addr1[ETH_ALEN];
+	u8 payload[0];
+} __packed;
+
+struct libipw_hdr_2addr {
+	__le16 frame_ctl;
+	__le16 duration_id;
+	u8 addr1[ETH_ALEN];
+	u8 addr2[ETH_ALEN];
+	u8 payload[0];
+} __packed;
+
+struct libipw_hdr_3addr {
+	__le16 frame_ctl;
+	__le16 duration_id;
+	u8 addr1[ETH_ALEN];
+	u8 addr2[ETH_ALEN];
+	u8 addr3[ETH_ALEN];
+	__le16 seq_ctl;
+	u8 payload[0];
+} __packed;
+
+struct libipw_hdr_4addr {
+	__le16 frame_ctl;
+	__le16 duration_id;
+	u8 addr1[ETH_ALEN];
+	u8 addr2[ETH_ALEN];
+	u8 addr3[ETH_ALEN];
+	__le16 seq_ctl;
+	u8 addr4[ETH_ALEN];
+	u8 payload[0];
+} __packed;
+
+struct libipw_hdr_3addrqos {
+	__le16 frame_ctl;
+	__le16 duration_id;
+	u8 addr1[ETH_ALEN];
+	u8 addr2[ETH_ALEN];
+	u8 addr3[ETH_ALEN];
+	__le16 seq_ctl;
+	u8 payload[0];
+	__le16 qos_ctl;
+} __packed;
+
+struct libipw_info_element {
+	u8 id;
+	u8 len;
+	u8 data[0];
+} __packed;
+
+/*
+ * These are the data types that can make up management packets
+ *
+	u16 auth_algorithm;
+	u16 auth_sequence;
+	u16 beacon_interval;
+	u16 capability;
+	u8 current_ap[ETH_ALEN];
+	u16 listen_interval;
+	struct {
+		u16 association_id:14, reserved:2;
+	} __packed;
+	u32 time_stamp[2];
+	u16 reason;
+	u16 status;
+*/
+
+struct libipw_auth {
+	struct libipw_hdr_3addr header;
+	__le16 algorithm;
+	__le16 transaction;
+	__le16 status;
+	/* challenge */
+	struct libipw_info_element info_element[0];
+} __packed;
+
+struct libipw_channel_switch {
+	u8 id;
+	u8 len;
+	u8 mode;
+	u8 channel;
+	u8 count;
+} __packed;
+
+struct libipw_action {
+	struct libipw_hdr_3addr header;
+	u8 category;
+	u8 action;
+	union {
+		struct libipw_action_exchange {
+			u8 token;
+			struct libipw_info_element info_element[0];
+		} exchange;
+		struct libipw_channel_switch channel_switch;
+
+	} format;
+} __packed;
+
+struct libipw_disassoc {
+	struct libipw_hdr_3addr header;
+	__le16 reason;
+} __packed;
+
+/* Alias deauth for disassoc */
+#define libipw_deauth libipw_disassoc
+
+struct libipw_probe_request {
+	struct libipw_hdr_3addr header;
+	/* SSID, supported rates */
+	struct libipw_info_element info_element[0];
+} __packed;
+
+struct libipw_probe_response {
+	struct libipw_hdr_3addr header;
+	__le32 time_stamp[2];
+	__le16 beacon_interval;
+	__le16 capability;
+	/* SSID, supported rates, FH params, DS params,
+	 * CF params, IBSS params, TIM (if beacon), RSN */
+	struct libipw_info_element info_element[0];
+} __packed;
+
+/* Alias beacon for probe_response */
+#define libipw_beacon libipw_probe_response
+
+struct libipw_assoc_request {
+	struct libipw_hdr_3addr header;
+	__le16 capability;
+	__le16 listen_interval;
+	/* SSID, supported rates, RSN */
+	struct libipw_info_element info_element[0];
+} __packed;
+
+struct libipw_reassoc_request {
+	struct libipw_hdr_3addr header;
+	__le16 capability;
+	__le16 listen_interval;
+	u8 current_ap[ETH_ALEN];
+	struct libipw_info_element info_element[0];
+} __packed;
+
+struct libipw_assoc_response {
+	struct libipw_hdr_3addr header;
+	__le16 capability;
+	__le16 status;
+	__le16 aid;
+	/* supported rates */
+	struct libipw_info_element info_element[0];
+} __packed;
+
+struct libipw_txb {
+	u8 nr_frags;
+	u8 encrypted;
+	u8 rts_included;
+	u8 reserved;
+	u16 frag_size;
+	u16 payload_size;
+	struct sk_buff *fragments[0];
+};
+
+/* SWEEP TABLE ENTRIES NUMBER */
+#define MAX_SWEEP_TAB_ENTRIES		  42
+#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET  7
+/* MAX_RATES_LENGTH needs to be 12.  The spec says 8, and many APs
+ * only use 8, and then use extended rates for the remaining supported
+ * rates.  Other APs, however, stick all of their supported rates on the
+ * main rates information element... */
+#define MAX_RATES_LENGTH                  ((u8)12)
+#define MAX_RATES_EX_LENGTH               ((u8)16)
+#define MAX_NETWORK_COUNT                  128
+
+#define CRC_LENGTH                 4U
+
+#define MAX_WPA_IE_LEN 64
+
+#define NETWORK_HAS_OFDM       (1<<1)
+#define NETWORK_HAS_CCK        (1<<2)
+
+/* QoS structure */
+#define NETWORK_HAS_QOS_PARAMETERS      (1<<3)
+#define NETWORK_HAS_QOS_INFORMATION     (1<<4)
+#define NETWORK_HAS_QOS_MASK            (NETWORK_HAS_QOS_PARAMETERS | \
+					 NETWORK_HAS_QOS_INFORMATION)
+
+/* 802.11h */
+#define NETWORK_HAS_POWER_CONSTRAINT    (1<<5)
+#define NETWORK_HAS_CSA                 (1<<6)
+#define NETWORK_HAS_QUIET               (1<<7)
+#define NETWORK_HAS_IBSS_DFS            (1<<8)
+#define NETWORK_HAS_TPC_REPORT          (1<<9)
+
+#define NETWORK_HAS_ERP_VALUE           (1<<10)
+
+#define QOS_QUEUE_NUM                   4
+#define QOS_OUI_LEN                     3
+#define QOS_OUI_TYPE                    2
+#define QOS_ELEMENT_ID                  221
+#define QOS_OUI_INFO_SUB_TYPE           0
+#define QOS_OUI_PARAM_SUB_TYPE          1
+#define QOS_VERSION_1                   1
+#define QOS_AIFSN_MIN_VALUE             2
+
+struct libipw_qos_information_element {
+	u8 elementID;
+	u8 length;
+	u8 qui[QOS_OUI_LEN];
+	u8 qui_type;
+	u8 qui_subtype;
+	u8 version;
+	u8 ac_info;
+} __packed;
+
+struct libipw_qos_ac_parameter {
+	u8 aci_aifsn;
+	u8 ecw_min_max;
+	__le16 tx_op_limit;
+} __packed;
+
+struct libipw_qos_parameter_info {
+	struct libipw_qos_information_element info_element;
+	u8 reserved;
+	struct libipw_qos_ac_parameter ac_params_record[QOS_QUEUE_NUM];
+} __packed;
+
+struct libipw_qos_parameters {
+	__le16 cw_min[QOS_QUEUE_NUM];
+	__le16 cw_max[QOS_QUEUE_NUM];
+	u8 aifs[QOS_QUEUE_NUM];
+	u8 flag[QOS_QUEUE_NUM];
+	__le16 tx_op_limit[QOS_QUEUE_NUM];
+} __packed;
+
+struct libipw_qos_data {
+	struct libipw_qos_parameters parameters;
+	int active;
+	int supported;
+	u8 param_count;
+	u8 old_param_count;
+};
+
+struct libipw_tim_parameters {
+	u8 tim_count;
+	u8 tim_period;
+} __packed;
+
+/*******************************************************/
+
+struct libipw_tpc_report {
+	u8 transmit_power;
+	u8 link_margin;
+} __packed;
+
+struct libipw_channel_map {
+	u8 channel;
+	u8 map;
+} __packed;
+
+struct libipw_ibss_dfs {
+	struct libipw_info_element ie;
+	u8 owner[ETH_ALEN];
+	u8 recovery_interval;
+	struct libipw_channel_map channel_map[0];
+};
+
+struct libipw_csa {
+	u8 mode;
+	u8 channel;
+	u8 count;
+} __packed;
+
+struct libipw_quiet {
+	u8 count;
+	u8 period;
+	u8 duration;
+	u8 offset;
+} __packed;
+
+struct libipw_network {
+	/* These entries are used to identify a unique network */
+	u8 bssid[ETH_ALEN];
+	u8 channel;
+	/* Ensure null-terminated for any debug msgs */
+	u8 ssid[IW_ESSID_MAX_SIZE + 1];
+	u8 ssid_len;
+
+	struct libipw_qos_data qos_data;
+
+	/* These are network statistics */
+	struct libipw_rx_stats stats;
+	u16 capability;
+	u8 rates[MAX_RATES_LENGTH];
+	u8 rates_len;
+	u8 rates_ex[MAX_RATES_EX_LENGTH];
+	u8 rates_ex_len;
+	unsigned long last_scanned;
+	u8 mode;
+	u32 flags;
+	u32 last_associate;
+	u32 time_stamp[2];
+	u16 beacon_interval;
+	u16 listen_interval;
+	u16 atim_window;
+	u8 erp_value;
+	u8 wpa_ie[MAX_WPA_IE_LEN];
+	size_t wpa_ie_len;
+	u8 rsn_ie[MAX_WPA_IE_LEN];
+	size_t rsn_ie_len;
+	struct libipw_tim_parameters tim;
+
+	/* 802.11h info */
+
+	/* Power Constraint - mandatory if spctrm mgmt required */
+	u8 power_constraint;
+
+	/* TPC Report - mandatory if spctrm mgmt required */
+	struct libipw_tpc_report tpc_report;
+
+	/* Channel Switch Announcement - optional if spctrm mgmt required */
+	struct libipw_csa csa;
+
+	/* Quiet - optional if spctrm mgmt required */
+	struct libipw_quiet quiet;
+
+	struct list_head list;
+};
+
+enum libipw_state {
+	LIBIPW_UNINITIALIZED = 0,
+	LIBIPW_INITIALIZED,
+	LIBIPW_ASSOCIATING,
+	LIBIPW_ASSOCIATED,
+	LIBIPW_AUTHENTICATING,
+	LIBIPW_AUTHENTICATED,
+	LIBIPW_SHUTDOWN
+};
+
+#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
+#define DEFAULT_FTS 2346
+
+#define CFG_LIBIPW_RESERVE_FCS (1<<0)
+#define CFG_LIBIPW_COMPUTE_FCS (1<<1)
+#define CFG_LIBIPW_RTS (1<<2)
+
+#define LIBIPW_24GHZ_MIN_CHANNEL 1
+#define LIBIPW_24GHZ_MAX_CHANNEL 14
+#define LIBIPW_24GHZ_CHANNELS (LIBIPW_24GHZ_MAX_CHANNEL - \
+				  LIBIPW_24GHZ_MIN_CHANNEL + 1)
+
+#define LIBIPW_52GHZ_MIN_CHANNEL 34
+#define LIBIPW_52GHZ_MAX_CHANNEL 165
+#define LIBIPW_52GHZ_CHANNELS (LIBIPW_52GHZ_MAX_CHANNEL - \
+				  LIBIPW_52GHZ_MIN_CHANNEL + 1)
+
+enum {
+	LIBIPW_CH_PASSIVE_ONLY = (1 << 0),
+	LIBIPW_CH_80211H_RULES = (1 << 1),
+	LIBIPW_CH_B_ONLY = (1 << 2),
+	LIBIPW_CH_NO_IBSS = (1 << 3),
+	LIBIPW_CH_UNIFORM_SPREADING = (1 << 4),
+	LIBIPW_CH_RADAR_DETECT = (1 << 5),
+	LIBIPW_CH_INVALID = (1 << 6),
+};
+
+struct libipw_channel {
+	u32 freq;	/* in MHz */
+	u8 channel;
+	u8 flags;
+	u8 max_power;	/* in dBm */
+};
+
+struct libipw_geo {
+	u8 name[4];
+	u8 bg_channels;
+	u8 a_channels;
+	struct libipw_channel bg[LIBIPW_24GHZ_CHANNELS];
+	struct libipw_channel a[LIBIPW_52GHZ_CHANNELS];
+};
+
+struct libipw_device {
+	struct net_device *dev;
+	struct wireless_dev wdev;
+	struct libipw_security sec;
+
+	/* Bookkeeping structures */
+	struct libipw_stats ieee_stats;
+
+	struct libipw_geo geo;
+	struct ieee80211_supported_band bg_band;
+	struct ieee80211_supported_band a_band;
+
+	/* Probe / Beacon management */
+	struct list_head network_free_list;
+	struct list_head network_list;
+	struct libipw_network *networks[MAX_NETWORK_COUNT];
+	int scans;
+	int scan_age;
+
+	int iw_mode;		/* operating mode (IW_MODE_*) */
+	struct iw_spy_data spy_data;	/* iwspy support */
+
+	spinlock_t lock;
+
+	int tx_headroom;	/* Set to size of any additional room needed at front
+				 * of allocated Tx SKBs */
+	u32 config;
+
+	/* WEP and other encryption related settings at the device level */
+	int open_wep;		/* Set to 1 to allow unencrypted frames */
+
+	/* If the host performs {en,de}cryption, then set to 1 */
+	int host_encrypt;
+	int host_encrypt_msdu;
+	int host_decrypt;
+	/* host performs multicast decryption */
+	int host_mc_decrypt;
+
+	/* host should strip IV and ICV from protected frames */
+	/* meaningful only when hardware decryption is being used */
+	int host_strip_iv_icv;
+
+	int host_open_frag;
+	int ieee802_1x;		/* is IEEE 802.1X used */
+
+	/* WPA data */
+	int wpa_enabled;
+	int drop_unencrypted;
+	int privacy_invoked;
+	size_t wpa_ie_len;
+	u8 *wpa_ie;
+
+	struct lib80211_crypt_info crypt_info;
+
+	int bcrx_sta_key;	/* use individual keys to override default keys even
+				 * with RX of broad/multicast frames */
+
+	/* Fragmentation structures */
+	struct libipw_frag_entry frag_cache[LIBIPW_FRAG_CACHE_LEN];
+	unsigned int frag_next_idx;
+	u16 fts;		/* Fragmentation Threshold */
+	u16 rts;		/* RTS threshold */
+
+	/* Association info */
+	u8 bssid[ETH_ALEN];
+
+	enum libipw_state state;
+
+	int mode;		/* A, B, G */
+	int modulation;		/* CCK, OFDM */
+	int freq_band;		/* 2.4Ghz, 5.2Ghz, Mixed */
+	int abg_true;		/* ABG flag              */
+
+	int perfect_rssi;
+	int worst_rssi;
+
+	u16 prev_seq_ctl;	/* used to drop duplicate frames */
+
+	/* Callback functions */
+	void (*set_security) (struct net_device * dev,
+			      struct libipw_security * sec);
+	netdev_tx_t (*hard_start_xmit) (struct libipw_txb * txb,
+					struct net_device * dev, int pri);
+	int (*is_queue_full) (struct net_device * dev, int pri);
+
+	int (*handle_management) (struct net_device * dev,
+				  struct libipw_network * network, u16 type);
+	int (*is_qos_active) (struct net_device *dev, struct sk_buff *skb);
+
+	/* Typical STA methods */
+	int (*handle_auth) (struct net_device * dev,
+			    struct libipw_auth * auth);
+	int (*handle_deauth) (struct net_device * dev,
+			      struct libipw_deauth * auth);
+	int (*handle_action) (struct net_device * dev,
+			      struct libipw_action * action,
+			      struct libipw_rx_stats * stats);
+	int (*handle_disassoc) (struct net_device * dev,
+				struct libipw_disassoc * assoc);
+	int (*handle_beacon) (struct net_device * dev,
+			      struct libipw_beacon * beacon,
+			      struct libipw_network * network);
+	int (*handle_probe_response) (struct net_device * dev,
+				      struct libipw_probe_response * resp,
+				      struct libipw_network * network);
+	int (*handle_probe_request) (struct net_device * dev,
+				     struct libipw_probe_request * req,
+				     struct libipw_rx_stats * stats);
+	int (*handle_assoc_response) (struct net_device * dev,
+				      struct libipw_assoc_response * resp,
+				      struct libipw_network * network);
+
+	/* Typical AP methods */
+	int (*handle_assoc_request) (struct net_device * dev);
+	int (*handle_reassoc_request) (struct net_device * dev,
+				       struct libipw_reassoc_request * req);
+
+	/* This must be the last item so that it points to the data
+	 * allocated beyond this structure by alloc_libipw */
+	u8 priv[0];
+};
+
+#define IEEE_A            (1<<0)
+#define IEEE_B            (1<<1)
+#define IEEE_G            (1<<2)
+#define IEEE_MODE_MASK    (IEEE_A|IEEE_B|IEEE_G)
+
+static inline void *libipw_priv(struct net_device *dev)
+{
+	return ((struct libipw_device *)netdev_priv(dev))->priv;
+}
+
+static inline int libipw_is_valid_mode(struct libipw_device *ieee,
+					  int mode)
+{
+	/*
+	 * It is possible for both access points and our device to support
+	 * combinations of modes, so as long as there is one valid combination
+	 * of ap/device supported modes, then return success
+	 *
+	 */
+	if ((mode & IEEE_A) &&
+	    (ieee->modulation & LIBIPW_OFDM_MODULATION) &&
+	    (ieee->freq_band & LIBIPW_52GHZ_BAND))
+		return 1;
+
+	if ((mode & IEEE_G) &&
+	    (ieee->modulation & LIBIPW_OFDM_MODULATION) &&
+	    (ieee->freq_band & LIBIPW_24GHZ_BAND))
+		return 1;
+
+	if ((mode & IEEE_B) &&
+	    (ieee->modulation & LIBIPW_CCK_MODULATION) &&
+	    (ieee->freq_band & LIBIPW_24GHZ_BAND))
+		return 1;
+
+	return 0;
+}
+
+static inline int libipw_get_hdrlen(u16 fc)
+{
+	int hdrlen = LIBIPW_3ADDR_LEN;
+	u16 stype = WLAN_FC_GET_STYPE(fc);
+
+	switch (WLAN_FC_GET_TYPE(fc)) {
+	case IEEE80211_FTYPE_DATA:
+		if ((fc & IEEE80211_FCTL_FROMDS) && (fc & IEEE80211_FCTL_TODS))
+			hdrlen = LIBIPW_4ADDR_LEN;
+		if (stype & IEEE80211_STYPE_QOS_DATA)
+			hdrlen += 2;
+		break;
+	case IEEE80211_FTYPE_CTL:
+		switch (WLAN_FC_GET_STYPE(fc)) {
+		case IEEE80211_STYPE_CTS:
+		case IEEE80211_STYPE_ACK:
+			hdrlen = LIBIPW_1ADDR_LEN;
+			break;
+		default:
+			hdrlen = LIBIPW_2ADDR_LEN;
+			break;
+		}
+		break;
+	}
+
+	return hdrlen;
+}
+
+static inline u8 *libipw_get_payload(struct ieee80211_hdr *hdr)
+{
+	switch (libipw_get_hdrlen(le16_to_cpu(hdr->frame_control))) {
+	case LIBIPW_1ADDR_LEN:
+		return ((struct libipw_hdr_1addr *)hdr)->payload;
+	case LIBIPW_2ADDR_LEN:
+		return ((struct libipw_hdr_2addr *)hdr)->payload;
+	case LIBIPW_3ADDR_LEN:
+		return ((struct libipw_hdr_3addr *)hdr)->payload;
+	case LIBIPW_4ADDR_LEN:
+		return ((struct libipw_hdr_4addr *)hdr)->payload;
+	}
+	return NULL;
+}
+
+static inline int libipw_is_ofdm_rate(u8 rate)
+{
+	switch (rate & ~LIBIPW_BASIC_RATE_MASK) {
+	case LIBIPW_OFDM_RATE_6MB:
+	case LIBIPW_OFDM_RATE_9MB:
+	case LIBIPW_OFDM_RATE_12MB:
+	case LIBIPW_OFDM_RATE_18MB:
+	case LIBIPW_OFDM_RATE_24MB:
+	case LIBIPW_OFDM_RATE_36MB:
+	case LIBIPW_OFDM_RATE_48MB:
+	case LIBIPW_OFDM_RATE_54MB:
+		return 1;
+	}
+	return 0;
+}
+
+static inline int libipw_is_cck_rate(u8 rate)
+{
+	switch (rate & ~LIBIPW_BASIC_RATE_MASK) {
+	case LIBIPW_CCK_RATE_1MB:
+	case LIBIPW_CCK_RATE_2MB:
+	case LIBIPW_CCK_RATE_5MB:
+	case LIBIPW_CCK_RATE_11MB:
+		return 1;
+	}
+	return 0;
+}
+
+/* libipw.c */
+void free_libipw(struct net_device *dev, int monitor);
+struct net_device *alloc_libipw(int sizeof_priv, int monitor);
+int libipw_change_mtu(struct net_device *dev, int new_mtu);
+
+void libipw_networks_age(struct libipw_device *ieee, unsigned long age_secs);
+
+int libipw_set_encryption(struct libipw_device *ieee);
+
+/* libipw_tx.c */
+netdev_tx_t libipw_xmit(struct sk_buff *skb, struct net_device *dev);
+void libipw_txb_free(struct libipw_txb *);
+
+/* libipw_rx.c */
+void libipw_rx_any(struct libipw_device *ieee, struct sk_buff *skb,
+		   struct libipw_rx_stats *stats);
+int libipw_rx(struct libipw_device *ieee, struct sk_buff *skb,
+	      struct libipw_rx_stats *rx_stats);
+/* make sure to set stats->len */
+void libipw_rx_mgt(struct libipw_device *ieee, struct libipw_hdr_4addr *header,
+		   struct libipw_rx_stats *stats);
+
+/* libipw_geo.c */
+const struct libipw_geo *libipw_get_geo(struct libipw_device *ieee);
+void libipw_set_geo(struct libipw_device *ieee, const struct libipw_geo *geo);
+
+int libipw_is_valid_channel(struct libipw_device *ieee, u8 channel);
+int libipw_channel_to_index(struct libipw_device *ieee, u8 channel);
+u8 libipw_freq_to_channel(struct libipw_device *ieee, u32 freq);
+u8 libipw_get_channel_flags(struct libipw_device *ieee, u8 channel);
+const struct libipw_channel *libipw_get_channel(struct libipw_device *ieee,
+						u8 channel);
+u32 libipw_channel_to_freq(struct libipw_device *ieee, u8 channel);
+
+/* libipw_wx.c */
+int libipw_wx_get_scan(struct libipw_device *ieee, struct iw_request_info *info,
+		       union iwreq_data *wrqu, char *key);
+int libipw_wx_set_encode(struct libipw_device *ieee,
+			 struct iw_request_info *info, union iwreq_data *wrqu,
+			 char *key);
+int libipw_wx_get_encode(struct libipw_device *ieee,
+			 struct iw_request_info *info, union iwreq_data *wrqu,
+			 char *key);
+int libipw_wx_set_encodeext(struct libipw_device *ieee,
+			    struct iw_request_info *info,
+			    union iwreq_data *wrqu, char *extra);
+int libipw_wx_get_encodeext(struct libipw_device *ieee,
+			    struct iw_request_info *info,
+			    union iwreq_data *wrqu, char *extra);
+
+static inline void libipw_increment_scans(struct libipw_device *ieee)
+{
+	ieee->scans++;
+}
+
+static inline int libipw_get_scans(struct libipw_device *ieee)
+{
+	return ieee->scans;
+}
+
+#endif				/* LIBIPW_H */