we now start to maintain our own copy of wireless.h.

this has several advantages, one of the major ones is that we
no longer have to compile different libopienet2 for different
kernel (read wireless extension) versions.

3 files changed, 708 insertions, 18 deletions

diff --git a/libopie2/opienet/onetwork.h b/libopie2/opienet/onetwork.h
index 00d1ebb..b170ea2 100644
--- a/libopie2/opienet/onetwork.h
+++ b/libopie2/opienet/onetwork.h
@@ -36,2 +36,4 @@
 
+#include "wireless.h"
+
 /* OPIE */
@@ -48,20 +50,2 @@
 
-// ML: Yeah, I hate to include kernel headers, but it's necessary here
-// ML: Here comes an ugly hack to prevent <linux/wireless.h> including <linux/if.h>
-// ML: which conflicts with the user header <net/if.h>
-// ML: We really need a user header for the Wireless Extensions, something like <net/wireless.h>
-// ML: I will drop Jean a mail on that subject
-
-#include <net/if.h>
-
-#ifndef IFNAMSIZ
-#define IFNAMSIZ 16
-#endif
-#ifndef IW_MAX_PRIV_DEF
-#define IW_MAX_PRIV_DEF        128
-#endif
-
-#define _LINUX_IF_H
-#include <linux/wireless.h>
-
 class ONetworkInterface;
diff --git a/libopie2/opienet/opienet.pro b/libopie2/opienet/opienet.pro
index 7a7adde..6fcc1ec 100644
--- a/libopie2/opienet/opienet.pro
+++ b/libopie2/opienet/opienet.pro
@@ -5,2 +5,3 @@ HEADERS     = 802_11_user.h       \
               dhcp.h              \
+              wireless.h          \
               omanufacturerdb.cpp \
diff --git a/libopie2/opienet/wireless.h b/libopie2/opienet/wireless.h
new file mode 100644
index 0000000..8135e97
--- a/dev/null
+++ b/libopie2/opienet/wireless.h
@@ -0,0 +1,705 @@
+/*
+ * This file define a set of standard wireless extensions
+ *
+ * Version :	15	12.7.02
+ *
+ * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
+ * Copyright (c) 1997-2002 Jean Tourrilhes, All Rights Reserved.
+ */
+
+#ifndef _LINUX_WIRELESS_H
+#define _LINUX_WIRELESS_H
+
+/************************** DOCUMENTATION **************************/
+/*
+ * Initial APIs (1996 -> onward) :
+ * -----------------------------
+ * Basically, the wireless extensions are for now a set of standard ioctl
+ * call + /proc/net/wireless
+ *
+ * The entry /proc/net/wireless give statistics and information on the
+ * driver.
+ * This is better than having each driver having its entry because
+ * its centralised and we may remove the driver module safely.
+ *
+ * Ioctl are used to configure the driver and issue commands.  This is
+ * better than command line options of insmod because we may want to
+ * change dynamically (while the driver is running) some parameters.
+ *
+ * The ioctl mechanimsm are copied from standard devices ioctl.
+ * We have the list of command plus a structure descibing the
+ * data exchanged...
+ * Note that to add these ioctl, I was obliged to modify :
+ *	# net/core/dev.c (two place + add include)
+ *	# net/ipv4/af_inet.c (one place + add include)
+ *
+ * /proc/net/wireless is a copy of /proc/net/dev.
+ * We have a structure for data passed from the driver to /proc/net/wireless
+ * Too add this, I've modified :
+ *	# net/core/dev.c (two other places)
+ *	# include/linux/netdevice.h (one place)
+ *	# include/linux/proc_fs.h (one place)
+ *
+ * New driver API (2002 -> onward) :
+ * -------------------------------
+ * This file is only concerned with the user space API and common definitions.
+ * The new driver API is defined and documented in :
+ *	# include/net/iw_handler.h
+ *
+ * Note as well that /proc/net/wireless implementation has now moved in :
+ *	# include/linux/wireless.c
+ *
+ * Wireless Events (2002 -> onward) :
+ * --------------------------------
+ * Events are defined at the end of this file, and implemented in :
+ *	# include/linux/wireless.c
+ *
+ * Other comments :
+ * --------------
+ * Do not add here things that are redundant with other mechanisms
+ * (drivers init, ifconfig, /proc/net/dev, ...) and with are not
+ * wireless specific.
+ *
+ * These wireless extensions are not magic : each driver has to provide
+ * support for them...
+ *
+ * IMPORTANT NOTE : As everything in the kernel, this is very much a
+ * work in progress. Contact me if you have ideas of improvements...
+ */
+
+/***************************** INCLUDES *****************************/
+
+#include <sys/types.h>
+#include <net/if.h>
+#include <linux/types.h>
+
+#ifndef IFNAMSIZ
+#define IFNAMSIZ 16
+#endif
+#ifndef IW_MAX_PRIV_DEF
+#define IW_MAX_PRIV_DEF        128
+#endif
+
+/***************************** VERSION *****************************/
+/*
+ * This constant is used to know the availability of the wireless
+ * extensions and to know which version of wireless extensions it is
+ * (there is some stuff that will be added in the future...)
+ * I just plan to increment with each new version.
+ */
+#define WIRELESS_EXT	15
+
+/*
+ * Changes :
+ *
+ * V2 to V3
+ * --------
+ *	Alan Cox start some incompatibles changes. I've integrated a bit more.
+ *	- Encryption renamed to Encode to avoid US regulation problems
+ *	- Frequency changed from float to struct to avoid problems on old 386
+ *
+ * V3 to V4
+ * --------
+ *	- Add sensitivity
+ *
+ * V4 to V5
+ * --------
+ *	- Missing encoding definitions in range
+ *	- Access points stuff
+ *
+ * V5 to V6
+ * --------
+ *	- 802.11 support (ESSID ioctls)
+ *
+ * V6 to V7
+ * --------
+ *	- define IW_ESSID_MAX_SIZE and IW_MAX_AP
+ *
+ * V7 to V8
+ * --------
+ *	- Changed my e-mail address
+ *	- More 802.11 support (nickname, rate, rts, frag)
+ *	- List index in frequencies
+ *
+ * V8 to V9
+ * --------
+ *	- Support for 'mode of operation' (ad-hoc, managed...)
+ *	- Support for unicast and multicast power saving
+ *	- Change encoding to support larger tokens (>64 bits)
+ *	- Updated iw_params (disable, flags) and use it for NWID
+ *	- Extracted iw_point from iwreq for clarity
+ *
+ * V9 to V10
+ * ---------
+ *	- Add PM capability to range structure
+ *	- Add PM modifier : MAX/MIN/RELATIVE
+ *	- Add encoding option : IW_ENCODE_NOKEY
+ *	- Add TxPower ioctls (work like TxRate)
+ *
+ * V10 to V11
+ * ----------
+ *	- Add WE version in range (help backward/forward compatibility)
+ *	- Add retry ioctls (work like PM)
+ *
+ * V11 to V12
+ * ----------
+ *	- Add SIOCSIWSTATS to get /proc/net/wireless programatically
+ *	- Add DEV PRIVATE IOCTL to avoid collisions in SIOCDEVPRIVATE space
+ *	- Add new statistics (frag, retry, beacon)
+ *	- Add average quality (for user space calibration)
+ *
+ * V12 to V13
+ * ----------
+ *	- Document creation of new driver API.
+ *	- Extract union iwreq_data from struct iwreq (for new driver API).
+ *	- Rename SIOCSIWNAME as SIOCSIWCOMMIT
+ *
+ * V13 to V14
+ * ----------
+ *	- Wireless Events support : define struct iw_event
+ *	- Define additional specific event numbers
+ *	- Add "addr" and "param" fields in union iwreq_data
+ *	- AP scanning stuff (SIOCSIWSCAN and friends)
+ *
+ * V14 to V15
+ * ----------
+ *	- Add IW_PRIV_TYPE_ADDR for struct sockaddr private arg
+ *	- Make struct iw_freq signed (both m & e), add explicit padding
+ *	- Add IWEVCUSTOM for driver specific event/scanning token
+ *	- Add IW_MAX_GET_SPY for driver returning a lot of addresses
+ *	- Add IW_TXPOW_RANGE for range of Tx Powers
+ *	- Add IWEVREGISTERED & IWEVEXPIRED events for Access Points
+ *	- Add IW_MODE_MONITOR for passive monitor
+ */
+
+/**************************** CONSTANTS ****************************/
+
+/* -------------------------- IOCTL LIST -------------------------- */
+
+/* Wireless Identification */
+#define SIOCSIWCOMMIT	0x8B00		/* Commit pending changes to driver */
+#define SIOCGIWNAME	0x8B01		/* get name == wireless protocol */
+/* SIOCGIWNAME is used to verify the presence of Wireless Extensions.
+ * Common values : "IEEE 802.11-DS", "IEEE 802.11-FH", "IEEE 802.11b"...
+ * Don't put the name of your driver there, it's useless. */
+
+/* Basic operations */
+#define SIOCSIWNWID	0x8B02		/* set network id (pre-802.11) */
+#define SIOCGIWNWID	0x8B03		/* get network id (the cell) */
+#define SIOCSIWFREQ	0x8B04		/* set channel/frequency (Hz) */
+#define SIOCGIWFREQ	0x8B05		/* get channel/frequency (Hz) */
+#define SIOCSIWMODE	0x8B06		/* set operation mode */
+#define SIOCGIWMODE	0x8B07		/* get operation mode */
+#define SIOCSIWSENS	0x8B08		/* set sensitivity (dBm) */
+#define SIOCGIWSENS	0x8B09		/* get sensitivity (dBm) */
+
+/* Informative stuff */
+#define SIOCSIWRANGE	0x8B0A		/* Unused */
+#define SIOCGIWRANGE	0x8B0B		/* Get range of parameters */
+#define SIOCSIWPRIV	0x8B0C		/* Unused */
+#define SIOCGIWPRIV	0x8B0D		/* get private ioctl interface info */
+#define SIOCSIWSTATS	0x8B0E		/* Unused */
+#define SIOCGIWSTATS	0x8B0F		/* Get /proc/net/wireless stats */
+/* SIOCGIWSTATS is strictly used between user space and the kernel, and
+ * is never passed to the driver (i.e. the driver will never see it). */
+
+/* Mobile IP support (statistics per MAC address) */
+#define SIOCSIWSPY	0x8B10		/* set spy addresses */
+#define SIOCGIWSPY	0x8B11		/* get spy info (quality of link) */
+
+/* Access Point manipulation */
+#define SIOCSIWAP	0x8B14		/* set access point MAC addresses */
+#define SIOCGIWAP	0x8B15		/* get access point MAC addresses */
+#define SIOCGIWAPLIST	0x8B17		/* Deprecated in favor of scanning */
+#define SIOCSIWSCAN	0x8B18		/* trigger scanning (list cells) */
+#define SIOCGIWSCAN	0x8B19		/* get scanning results */
+
+/* 802.11 specific support */
+#define SIOCSIWESSID	0x8B1A		/* set ESSID (network name) */
+#define SIOCGIWESSID	0x8B1B		/* get ESSID */
+#define SIOCSIWNICKN	0x8B1C		/* set node name/nickname */
+#define SIOCGIWNICKN	0x8B1D		/* get node name/nickname */
+/* As the ESSID and NICKN are strings up to 32 bytes long, it doesn't fit
+ * within the 'iwreq' structure, so we need to use the 'data' member to
+ * point to a string in user space, like it is done for RANGE... */
+
+/* Other parameters useful in 802.11 and some other devices */
+#define SIOCSIWRATE	0x8B20		/* set default bit rate (bps) */
+#define SIOCGIWRATE	0x8B21		/* get default bit rate (bps) */
+#define SIOCSIWRTS	0x8B22		/* set RTS/CTS threshold (bytes) */
+#define SIOCGIWRTS	0x8B23		/* get RTS/CTS threshold (bytes) */
+#define SIOCSIWFRAG	0x8B24		/* set fragmentation thr (bytes) */
+#define SIOCGIWFRAG	0x8B25		/* get fragmentation thr (bytes) */
+#define SIOCSIWTXPOW	0x8B26		/* set transmit power (dBm) */
+#define SIOCGIWTXPOW	0x8B27		/* get transmit power (dBm) */
+#define SIOCSIWRETRY	0x8B28		/* set retry limits and lifetime */
+#define SIOCGIWRETRY	0x8B29		/* get retry limits and lifetime */
+
+/* Encoding stuff (scrambling, hardware security, WEP...) */
+#define SIOCSIWENCODE	0x8B2A		/* set encoding token & mode */
+#define SIOCGIWENCODE	0x8B2B		/* get encoding token & mode */
+/* Power saving stuff (power management, unicast and multicast) */
+#define SIOCSIWPOWER	0x8B2C		/* set Power Management settings */
+#define SIOCGIWPOWER	0x8B2D		/* get Power Management settings */
+
+/* -------------------- DEV PRIVATE IOCTL LIST -------------------- */
+
+/* These 16 ioctl are wireless device private.
+ * Each driver is free to use them for whatever purpose it chooses,
+ * however the driver *must* export the description of those ioctls
+ * with SIOCGIWPRIV and *must* use arguments as defined below.
+ * If you don't follow those rules, DaveM is going to hate you (reason :
+ * it make mixed 32/64bit operation impossible).
+ */
+#define SIOCIWFIRSTPRIV	0x8BE0
+#define SIOCIWLASTPRIV	0x8BFF
+/* Previously, we were using SIOCDEVPRIVATE, but we now have our
+ * separate range because of collisions with other tools such as
+ * 'mii-tool'.
+ * We now have 32 commands, so a bit more space ;-).
+ * Also, all 'odd' commands are only usable by root and don't return the
+ * content of ifr/iwr to user (but you are not obliged to use the set/get
+ * convention, just use every other two command).
+ * And I repeat : you are not obliged to use them with iwspy, but you
+ * must be compliant with it.
+ */
+
+/* ------------------------- IOCTL STUFF ------------------------- */
+
+/* The first and the last (range) */
+#define SIOCIWFIRST	0x8B00
+#define SIOCIWLAST	SIOCIWLASTPRIV		/* 0x8BFF */
+
+/* Even : get (world access), odd : set (root access) */
+#define IW_IS_SET(cmd)	(!((cmd) & 0x1))
+#define IW_IS_GET(cmd)	((cmd) & 0x1)
+
+/* ----------------------- WIRELESS EVENTS ----------------------- */
+/* Those are *NOT* ioctls, do not issue request on them !!! */
+/* Most events use the same identifier as ioctl requests */
+
+#define IWEVTXDROP	0x8C00		/* Packet dropped to excessive retry */
+#define IWEVQUAL	0x8C01		/* Quality part of statistics (scan) */
+#define IWEVCUSTOM	0x8C02		/* Driver specific ascii string */
+#define IWEVREGISTERED	0x8C03		/* Discovered a new node (AP mode) */
+#define IWEVEXPIRED	0x8C04		/* Expired a node (AP mode) */
+
+#define IWEVFIRST	0x8C00
+
+/* ------------------------- PRIVATE INFO ------------------------- */
+/*
+ * The following is used with SIOCGIWPRIV. It allow a driver to define
+ * the interface (name, type of data) for its private ioctl.
+ * Privates ioctl are SIOCIWFIRSTPRIV -> SIOCIWLASTPRIV
+ */
+
+#define IW_PRIV_TYPE_MASK	0x7000	/* Type of arguments */
+#define IW_PRIV_TYPE_NONE	0x0000
+#define IW_PRIV_TYPE_BYTE	0x1000	/* Char as number */
+#define IW_PRIV_TYPE_CHAR	0x2000	/* Char as character */
+#define IW_PRIV_TYPE_INT	0x4000	/* 32 bits int */
+#define IW_PRIV_TYPE_FLOAT	0x5000	/* struct iw_freq */
+#define IW_PRIV_TYPE_ADDR	0x6000	/* struct sockaddr */
+
+#define IW_PRIV_SIZE_FIXED	0x0800	/* Variable or fixed nuber of args */
+
+#define IW_PRIV_SIZE_MASK	0x07FF	/* Max number of those args */
+
+/*
+ * Note : if the number of args is fixed and the size < 16 octets,
+ * instead of passing a pointer we will put args in the iwreq struct...
+ */
+
+/* ----------------------- OTHER CONSTANTS ----------------------- */
+
+/* Maximum frequencies in the range struct */
+#define IW_MAX_FREQUENCIES	16
+/* Note : if you have something like 80 frequencies,
+ * don't increase this constant and don't fill the frequency list.
+ * The user will be able to set by channel anyway... */
+
+/* Maximum bit rates in the range struct */
+#define IW_MAX_BITRATES		8
+
+/* Maximum tx powers in the range struct */
+#define IW_MAX_TXPOWER		8
+/* Note : if you more than 8 TXPowers, just set the max and min or
+ * a few of them in the struct iw_range. */
+
+/* Maximum of address that you may set with SPY */
+#define IW_MAX_SPY		8	/* set */
+#define IW_MAX_GET_SPY		64	/* get */
+
+/* Maximum of address that you may get in the
+   list of access points in range */
+#define IW_MAX_AP		64
+
+/* Maximum size of the ESSID and NICKN strings */
+#define IW_ESSID_MAX_SIZE	32
+
+/* Modes of operation */
+#define IW_MODE_AUTO	0	/* Let the driver decides */
+#define IW_MODE_ADHOC	1	/* Single cell network */
+#define IW_MODE_INFRA	2	/* Multi cell network, roaming, ... */
+#define IW_MODE_MASTER	3	/* Synchronisation master or Access Point */
+#define IW_MODE_REPEAT	4	/* Wireless Repeater (forwarder) */
+#define IW_MODE_SECOND	5	/* Secondary master/repeater (backup) */
+#define IW_MODE_MONITOR	6	/* Passive monitor (listen only) */
+
+/* Maximum number of size of encoding token available
+ * they are listed in the range structure */
+#define IW_MAX_ENCODING_SIZES	8
+
+/* Maximum size of the encoding token in bytes */
+#define IW_ENCODING_TOKEN_MAX	32	/* 256 bits (for now) */
+
+/* Flags for encoding (along with the token) */
+#define IW_ENCODE_INDEX		0x00FF	/* Token index (if needed) */
+#define IW_ENCODE_FLAGS		0xFF00	/* Flags defined below */
+#define IW_ENCODE_MODE		0xF000	/* Modes defined below */
+#define IW_ENCODE_DISABLED	0x8000	/* Encoding disabled */
+#define IW_ENCODE_ENABLED	0x0000	/* Encoding enabled */
+#define IW_ENCODE_RESTRICTED	0x4000	/* Refuse non-encoded packets */
+#define IW_ENCODE_OPEN		0x2000	/* Accept non-encoded packets */
+#define IW_ENCODE_NOKEY         0x0800  /* Key is write only, so not present */
+
+/* Power management flags available (along with the value, if any) */
+#define IW_POWER_ON		0x0000	/* No details... */
+#define IW_POWER_TYPE		0xF000	/* Type of parameter */
+#define IW_POWER_PERIOD		0x1000	/* Value is a period/duration of  */
+#define IW_POWER_TIMEOUT	0x2000	/* Value is a timeout (to go asleep) */
+#define IW_POWER_MODE		0x0F00	/* Power Management mode */
+#define IW_POWER_UNICAST_R	0x0100	/* Receive only unicast messages */
+#define IW_POWER_MULTICAST_R	0x0200	/* Receive only multicast messages */
+#define IW_POWER_ALL_R		0x0300	/* Receive all messages though PM */
+#define IW_POWER_FORCE_S	0x0400	/* Force PM procedure for sending unicast */
+#define IW_POWER_REPEATER	0x0800	/* Repeat broadcast messages in PM period */
+#define IW_POWER_MODIFIER	0x000F	/* Modify a parameter */
+#define IW_POWER_MIN		0x0001	/* Value is a minimum  */
+#define IW_POWER_MAX		0x0002	/* Value is a maximum */
+#define IW_POWER_RELATIVE	0x0004	/* Value is not in seconds/ms/us */
+
+/* Transmit Power flags available */
+#define IW_TXPOW_TYPE		0x00FF	/* Type of value */
+#define IW_TXPOW_DBM		0x0000	/* Value is in dBm */
+#define IW_TXPOW_MWATT		0x0001	/* Value is in mW */
+#define IW_TXPOW_RANGE		0x1000	/* Range of value between min/max */
+
+/* Retry limits and lifetime flags available */
+#define IW_RETRY_ON		0x0000	/* No details... */
+#define IW_RETRY_TYPE		0xF000	/* Type of parameter */
+#define IW_RETRY_LIMIT		0x1000	/* Maximum number of retries*/
+#define IW_RETRY_LIFETIME	0x2000	/* Maximum duration of retries in us */
+#define IW_RETRY_MODIFIER	0x000F	/* Modify a parameter */
+#define IW_RETRY_MIN		0x0001	/* Value is a minimum  */
+#define IW_RETRY_MAX		0x0002	/* Value is a maximum */
+#define IW_RETRY_RELATIVE	0x0004	/* Value is not in seconds/ms/us */
+
+/* Scanning request flags */
+#define IW_SCAN_DEFAULT		0x0000	/* Default scan of the driver */
+#define IW_SCAN_ALL_ESSID	0x0001	/* Scan all ESSIDs */
+#define IW_SCAN_THIS_ESSID	0x0002	/* Scan only this ESSID */
+#define IW_SCAN_ALL_FREQ	0x0004	/* Scan all Frequencies */
+#define IW_SCAN_THIS_FREQ	0x0008	/* Scan only this Frequency */
+#define IW_SCAN_ALL_MODE	0x0010	/* Scan all Modes */
+#define IW_SCAN_THIS_MODE	0x0020	/* Scan only this Mode */
+#define IW_SCAN_ALL_RATE	0x0040	/* Scan all Bit-Rates */
+#define IW_SCAN_THIS_RATE	0x0080	/* Scan only this Bit-Rate */
+/* Maximum size of returned data */
+#define IW_SCAN_MAX_DATA	4096	/* In bytes */
+
+/* Max number of char in custom event - use multiple of them if needed */
+#define IW_CUSTOM_MAX		256	/* In bytes */
+
+/****************************** TYPES ******************************/
+
+/* --------------------------- SUBTYPES --------------------------- */
+/*
+ *	Generic format for most parameters that fit in an int
+ */
+struct	iw_param
+{
+  __s32		value;		/* The value of the parameter itself */
+  __u8		fixed;		/* Hardware should not use auto select */
+  __u8		disabled;	/* Disable the feature */
+  __u16		flags;		/* Various specifc flags (if any) */
+};
+
+/*
+ *	For all data larger than 16 octets, we need to use a
+ *	pointer to memory allocated in user space.
+ */
+struct	iw_point
+{
+  caddr_t	pointer;	/* Pointer to the data  (in user space) */
+  __u16		length;		/* number of fields or size in bytes */
+  __u16		flags;		/* Optional params */
+};
+
+/*
+ *	A frequency
+ *	For numbers lower than 10^9, we encode the number in 'm' and
+ *	set 'e' to 0
+ *	For number greater than 10^9, we divide it by the lowest power
+ *	of 10 to get 'm' lower than 10^9, with 'm'= f / (10^'e')...
+ *	The power of 10 is in 'e', the result of the division is in 'm'.
+ */
+struct	iw_freq
+{
+	__s32		m;		/* Mantissa */
+	__s16		e;		/* Exponent */
+	__u8		i;		/* List index (when in range struct) */
+	__u8		pad;		/* Unused - just for alignement */
+};
+
+/*
+ *	Quality of the link
+ */
+struct	iw_quality
+{
+	__u8		qual;		/* link quality (%retries, SNR,
+					   %missed beacons or better...) */
+	__u8		level;		/* signal level (dBm) */
+	__u8		noise;		/* noise level (dBm) */
+	__u8		updated;	/* Flags to know if updated */
+};
+
+/*
+ *	Packet discarded in the wireless adapter due to
+ *	"wireless" specific problems...
+ *	Note : the list of counter and statistics in net_device_stats
+ *	is already pretty exhaustive, and you should use that first.
+ *	This is only additional stats...
+ */
+struct	iw_discarded
+{
+	__u32		nwid;		/* Rx : Wrong nwid/essid */
+	__u32		code;		/* Rx : Unable to code/decode (WEP) */
+	__u32		fragment;	/* Rx : Can't perform MAC reassembly */
+	__u32		retries;	/* Tx : Max MAC retries num reached */
+	__u32		misc;		/* Others cases */
+};
+
+/*
+ *	Packet/Time period missed in the wireless adapter due to
+ *	"wireless" specific problems...
+ */
+struct	iw_missed
+{
+	__u32		beacon;		/* Missed beacons/superframe */
+};
+
+/* ------------------------ WIRELESS STATS ------------------------ */
+/*
+ * Wireless statistics (used for /proc/net/wireless)
+ */
+struct	iw_statistics
+{
+	__u16		status;		/* Status
+					 * - device dependent for now */
+
+	struct iw_quality	qual;		/* Quality of the link
+						 * (instant/mean/max) */
+	struct iw_discarded	discard;	/* Packet discarded counts */
+	struct iw_missed	miss;		/* Packet missed counts */
+};
+
+/* ------------------------ IOCTL REQUEST ------------------------ */
+/*
+ * This structure defines the payload of an ioctl, and is used 
+ * below.
+ *
+ * Note that this structure should fit on the memory footprint
+ * of iwreq (which is the same as ifreq), which mean a max size of
+ * 16 octets = 128 bits. Warning, pointers might be 64 bits wide...
+ * You should check this when increasing the structures defined
+ * above in this file...
+ */
+union	iwreq_data
+{
+	/* Config - generic */
+	char		name[IFNAMSIZ];
+	/* Name : used to verify the presence of  wireless extensions.
+	 * Name of the protocol/provider... */
+
+	struct iw_point	essid;		/* Extended network name */
+	struct iw_param	nwid;		/* network id (or domain - the cell) */
+	struct iw_freq	freq;		/* frequency or channel :
+					 * 0-1000 = channel
+					 * > 1000 = frequency in Hz */
+
+	struct iw_param	sens;		/* signal level threshold */
+	struct iw_param	bitrate;	/* default bit rate */
+	struct iw_param	txpower;	/* default transmit power */
+	struct iw_param	rts;		/* RTS threshold threshold */
+	struct iw_param	frag;		/* Fragmentation threshold */
+	__u32		mode;		/* Operation mode */
+	struct iw_param	retry;		/* Retry limits & lifetime */
+
+	struct iw_point	encoding;	/* Encoding stuff : tokens */
+	struct iw_param	power;		/* PM duration/timeout */
+	struct iw_quality qual;		/* Quality part of statistics */
+
+	struct sockaddr	ap_addr;	/* Access point address */
+	struct sockaddr	addr;		/* Destination address (hw) */
+
+	struct iw_param	param;		/* Other small parameters */
+	struct iw_point	data;		/* Other large parameters */
+};
+
+/*
+ * The structure to exchange data for ioctl.
+ * This structure is the same as 'struct ifreq', but (re)defined for
+ * convenience...
+ * Do I need to remind you about structure size (32 octets) ?
+ */
+struct	iwreq
+{
+	union
+	{
+		char	ifrn_name[IFNAMSIZ];	/* if name, e.g. "eth0" */
+	} ifr_ifrn;
+
+	/* Data part (defined just above) */
+	union	iwreq_data	u;
+};
+
+/* -------------------------- IOCTL DATA -------------------------- */
+/*
+ *	For those ioctl which want to exchange mode data that what could
+ *	fit in the above structure...
+ */
+
+/*
+ *	Range of parameters
+ */
+
+struct	iw_range
+{
+	/* Informative stuff (to choose between different interface) */
+	__u32		throughput;	/* To give an idea... */
+	/* In theory this value should be the maximum benchmarked
+	 * TCP/IP throughput, because with most of these devices the
+	 * bit rate is meaningless (overhead an co) to estimate how
+	 * fast the connection will go and pick the fastest one.
+	 * I suggest people to play with Netperf or any benchmark...
+	 */
+
+	/* NWID (or domain id) */
+	__u32		min_nwid;	/* Minimal NWID we are able to set */
+	__u32		max_nwid;	/* Maximal NWID we are able to set */
+
+	/* Frequency */
+	__u16		num_channels;	/* Number of channels [0; num - 1] */
+	__u8		num_frequency;	/* Number of entry in the list */
+	struct iw_freq	freq[IW_MAX_FREQUENCIES];	/* list */
+	/* Note : this frequency list doesn't need to fit channel numbers */
+
+	/* signal level threshold range */
+	__s32	sensitivity;
+
+	/* Quality of link & SNR stuff */
+	struct iw_quality	max_qual;	/* Quality of the link */
+
+	/* Rates */
+	__u8		num_bitrates;	/* Number of entries in the list */
+	__s32		bitrate[IW_MAX_BITRATES];	/* list, in bps */
+
+	/* RTS threshold */
+	__s32		min_rts;	/* Minimal RTS threshold */
+	__s32		max_rts;	/* Maximal RTS threshold */
+
+	/* Frag threshold */
+	__s32		min_frag;	/* Minimal frag threshold */
+	__s32		max_frag;	/* Maximal frag threshold */
+
+	/* Power Management duration & timeout */
+	__s32		min_pmp;	/* Minimal PM period */
+	__s32		max_pmp;	/* Maximal PM period */
+	__s32		min_pmt;	/* Minimal PM timeout */
+	__s32		max_pmt;	/* Maximal PM timeout */
+	__u16		pmp_flags;	/* How to decode max/min PM period */
+	__u16		pmt_flags;	/* How to decode max/min PM timeout */
+	__u16		pm_capa;	/* What PM options are supported */
+
+	/* Encoder stuff */
+	__u16	encoding_size[IW_MAX_ENCODING_SIZES];	/* Different token sizes */
+	__u8	num_encoding_sizes;	/* Number of entry in the list */
+	__u8	max_encoding_tokens;	/* Max number of tokens */
+
+	/* Transmit power */
+	__u16		txpower_capa;	/* What options are supported */
+	__u8		num_txpower;	/* Number of entries in the list */
+	__s32		txpower[IW_MAX_TXPOWER];	/* list, in bps */
+
+	/* Wireless Extension version info */
+	__u8		we_version_compiled;	/* Must be WIRELESS_EXT */
+	__u8		we_version_source;	/* Last update of source */
+
+	/* Retry limits and lifetime */
+	__u16		retry_capa;	/* What retry options are supported */
+	__u16		retry_flags;	/* How to decode max/min retry limit */
+	__u16		r_time_flags;	/* How to decode max/min retry life */
+	__s32		min_retry;	/* Minimal number of retries */
+	__s32		max_retry;	/* Maximal number of retries */
+	__s32		min_r_time;	/* Minimal retry lifetime */
+	__s32		max_r_time;	/* Maximal retry lifetime */
+
+	/* Average quality of link & SNR */
+	struct iw_quality	avg_qual;	/* Quality of the link */
+	/* This should contain the average/typical values of the quality
+	 * indicator. This should be the threshold between a "good" and
+	 * a "bad" link (example : monitor going from green to orange).
+	 * Currently, user space apps like quality monitors don't have any
+	 * way to calibrate the measurement. With this, they can split
+	 * the range between 0 and max_qual in different quality level
+	 * (using a geometric subdivision centered on the average).
+	 * I expect that people doing the user space apps will feedback
+	 * us on which value we need to put in each driver...
+	 */
+};
+
+/*
+ * Private ioctl interface information
+ */
+ 
+struct	iw_priv_args
+{
+	__u32		cmd;		/* Number of the ioctl to issue */
+	__u16		set_args;	/* Type and number of args */
+	__u16		get_args;	/* Type and number of args */
+	char		name[IFNAMSIZ];	/* Name of the extension */
+};
+
+/* ----------------------- WIRELESS EVENTS ----------------------- */
+/*
+ * Wireless events are carried through the rtnetlink socket to user
+ * space. They are encapsulated in the IFLA_WIRELESS field of
+ * a RTM_NEWLINK message.
+ */
+
+/*
+ * A Wireless Event. Contains basically the same data as the ioctl...
+ */
+struct iw_event
+{
+	__u16		len;			/* Real lenght of this stuff */
+	__u16		cmd;			/* Wireless IOCTL */
+	union iwreq_data	u;		/* IOCTL fixed payload */
+};
+
+/* Size of the Event prefix (including padding and alignement junk) */
+#define IW_EV_LCP_LEN	(sizeof(struct iw_event) - sizeof(union iwreq_data))
+/* Size of the various events */
+#define IW_EV_CHAR_LEN	(IW_EV_LCP_LEN + IFNAMSIZ)
+#define IW_EV_UINT_LEN	(IW_EV_LCP_LEN + sizeof(__u32))
+#define IW_EV_FREQ_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_freq))
+#define IW_EV_POINT_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_point))
+#define IW_EV_PARAM_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_param))
+#define IW_EV_ADDR_LEN	(IW_EV_LCP_LEN + sizeof(struct sockaddr))
+#define IW_EV_QUAL_LEN	(IW_EV_LCP_LEN + sizeof(struct iw_quality))
+
+/* Note : in the case of iw_point, the extra data will come at the
+ * end of the event */
+
+#endif	/* _LINUX_WIRELESS_H */