path: root/recipes/linux/files/iw249_we16-6.diff

diff -u -p linux/include/linux/wireless.15.h linux/include/linux/wireless.h
--- linux/include/linux/wireless.15.h	2004-11-05 14:59:33.000000000 -0800
+++ linux/include/linux/wireless.h	2004-11-05 15:00:42.000000000 -0800
@@ -1,7 +1,7 @@
 /*
  * This file define a set of standard wireless extensions
  *
- * Version :	15	12.7.02
+ * Version :	16	2.4.03
  *
  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
  * Copyright (c) 1997-2002 Jean Tourrilhes, All Rights Reserved.
@@ -69,6 +69,8 @@
 
 /***************************** INCLUDES *****************************/
 
+/* To minimise problems in user space, I might remove those headers
+ * at some point. Jean II */
 #include <linux/types.h>		/* for "caddr_t" et al		*/
 #include <linux/socket.h>		/* for "struct sockaddr" et al	*/
 #include <linux/if.h>			/* for IFNAMSIZ and co... */
@@ -80,7 +82,7 @@
  * (there is some stuff that will be added in the future...)
  * I just plan to increment with each new version.
  */
-#define WIRELESS_EXT	15
+#define WIRELESS_EXT	16
 
 /*
  * Changes :
@@ -163,6 +165,16 @@
  *	- Add IW_TXPOW_RANGE for range of Tx Powers
  *	- Add IWEVREGISTERED & IWEVEXPIRED events for Access Points
  *	- Add IW_MODE_MONITOR for passive monitor
+ *
+ * V15 to V16
+ * ----------
+ *	- Increase the number of bitrates in iw_range to 32 (for 802.11g)
+ *	- Increase the number of frequencies in iw_range to 32 (for 802.11b+a)
+ *	- Reshuffle struct iw_range for increases, add filler
+ *	- Increase IW_MAX_AP to 64 for driver returning a lot of addresses
+ *	- Remove IW_MAX_GET_SPY because conflict with enhanced spy support
+ *	- Add SIOCSIWTHRSPY/SIOCGIWTHRSPY and "struct iw_thrspy"
+ *	- Add IW_ENCODE_TEMP and iw_range->encoding_login_index
  */
 
 /**************************** CONSTANTS ****************************/
@@ -196,9 +208,11 @@
 /* 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) */
+/* Spy support (statistics per MAC address - used for Mobile IP support) */
 #define SIOCSIWSPY	0x8B10		/* set spy addresses */
 #define SIOCGIWSPY	0x8B11		/* get spy info (quality of link) */
+#define SIOCSIWTHRSPY	0x8B12		/* set spy threshold (spy event) */
+#define SIOCGIWTHRSPY	0x8B13		/* get spy threshold */
 
 /* Access Point manipulation */
 #define SIOCSIWAP	0x8B14		/* set access point MAC addresses */
@@ -294,7 +308,7 @@
 #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_FIXED	0x0800	/* Variable or fixed number of args */
 
 #define IW_PRIV_SIZE_MASK	0x07FF	/* Max number of those args */
 
@@ -306,13 +320,13 @@
 /* ----------------------- OTHER CONSTANTS ----------------------- */
 
 /* Maximum frequencies in the range struct */
-#define IW_MAX_FREQUENCIES	16
+#define IW_MAX_FREQUENCIES	32
 /* 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
+#define IW_MAX_BITRATES		32
 
 /* Maximum tx powers in the range struct */
 #define IW_MAX_TXPOWER		8
@@ -320,8 +334,7 @@
  * 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 */
+#define IW_MAX_SPY		8
 
 /* Maximum of address that you may get in the
    list of access points in range */
@@ -354,7 +367,8 @@
 #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 */
+#define IW_ENCODE_NOKEY		0x0800  /* Key is write only, so not present */
+#define IW_ENCODE_TEMP		0x0400  /* Temporary key */
 
 /* Power management flags available (along with the value, if any) */
 #define IW_POWER_ON		0x0000	/* No details... */
@@ -482,6 +496,17 @@ struct	iw_missed
 	__u32		beacon;		/* Missed beacons/superframe */
 };
 
+/*
+ *	Quality range (for spy threshold)
+ */
+struct	iw_thrspy
+{
+	struct sockaddr		addr;		/* Source address (hw/mac) */
+	struct iw_quality	qual;		/* Quality of the link */
+	struct iw_quality	low;		/* Low threshold */
+	struct iw_quality	high;		/* High threshold */
+};
+
 /* ------------------------ WIRELESS STATS ------------------------ */
 /*
  * Wireless statistics (used for /proc/net/wireless)
@@ -534,7 +559,7 @@ union	iwreq_data
 	struct iw_quality qual;		/* Quality part of statistics */
 
 	struct sockaddr	ap_addr;	/* Access point address */
-	struct sockaddr	addr;		/* Destination address (hw) */
+	struct sockaddr	addr;		/* Destination address (hw/mac) */
 
 	struct iw_param	param;		/* Other small parameters */
 	struct iw_point	data;		/* Other large parameters */
@@ -582,17 +607,31 @@ struct	iw_range
 	__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 */
+	/* Old Frequency (backward compat - moved lower ) */
+	__u16		old_num_channels;
+	__u8		old_num_frequency;
+	/* Filler to keep "version" at the same offset */
+	__s32		old_freq[6];
 
 	/* signal level threshold range */
 	__s32	sensitivity;
 
 	/* Quality of link & SNR stuff */
+	/* Quality range (link, level, noise)
+	 * If the quality is absolute, it will be in the range [0 ; max_qual],
+	 * if the quality is dBm, it will be in the range [max_qual ; 0].
+	 * Don't forget that we use 8 bit arithmetics... */
 	struct iw_quality	max_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... */
+	struct iw_quality	avg_qual;	/* Quality of the link */
 
 	/* Rates */
 	__u8		num_bitrates;	/* Number of entries in the list */
@@ -619,6 +658,8 @@ struct	iw_range
 	__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 */
+	/* For drivers that need a "login/passwd" form */
+	__u8	encoding_login_index;	/* token index for login token */
 
 	/* Transmit power */
 	__u16		txpower_capa;	/* What options are supported */
@@ -638,18 +679,12 @@ struct	iw_range
 	__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...
-	 */
+	/* 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,
+	 * because each entry contain its channel index */
 };
 
 /*
diff -u -p linux/include/net/iw_handler.15.h linux/include/net/iw_handler.h
--- linux/include/net/iw_handler.15.h	2004-11-05 14:59:47.000000000 -0800
+++ linux/include/net/iw_handler.h	2004-11-05 15:00:42.000000000 -0800
@@ -1,7 +1,7 @@
 /*
  * This file define the new driver API for Wireless Extensions
  *
- * Version :	4	21.6.02
+ * Version :	5	4.12.02
  *
  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
  * Copyright (c) 2001-2002 Jean Tourrilhes, All Rights Reserved.
@@ -206,7 +206,7 @@
  * will be needed...
  * I just plan to increment with each new version.
  */
-#define IW_HANDLER_VERSION	4
+#define IW_HANDLER_VERSION	5
 
 /*
  * Changes :
@@ -220,10 +220,18 @@
  * V3 to V4
  * --------
  *	- Reshuffle IW_HEADER_TYPE_XXX to map IW_PRIV_TYPE_XXX changes
+ *
+ * V4 to V5
+ * --------
+ *	- Add new spy support : struct iw_spy_data & prototypes
  */
 
 /**************************** CONSTANTS ****************************/
 
+/* Enable enhanced spy support. Disable to reduce footprint */
+#define IW_WIRELESS_SPY
+#define IW_WIRELESS_THRSPY
+
 /* Special error message for the driver to indicate that we
  * should do a commit after return from the iw_handler */
 #define EIWCOMMIT	EINPROGRESS
@@ -315,6 +323,9 @@ struct iw_handler_def
 	 * We will automatically export that to user space... */
 	struct iw_priv_args *	private_args;
 
+	/* Driver enhanced spy support */
+	long			spy_offset;	/* Spy data offset */
+
 	/* In the long term, get_wireless_stats will move from
 	 * 'struct net_device' to here, to minimise bloat. */
 };
@@ -350,6 +361,33 @@ struct iw_ioctl_description
 
 /* Need to think of short header translation table. Later. */
 
+/* --------------------- ENHANCED SPY SUPPORT --------------------- */
+/*
+ * In the old days, the driver was handling spy support all by itself.
+ * Now, the driver can delegate this task to Wireless Extensions.
+ * It needs to include this struct in its private part and use the
+ * standard spy iw_handler.
+ */
+
+/*
+ * Instance specific spy data, i.e. addresses spied and quality for them.
+ */
+struct iw_spy_data
+{
+#ifdef IW_WIRELESS_SPY
+	/* --- Standard spy support --- */
+	int			spy_number;
+	u_char			spy_address[IW_MAX_SPY][ETH_ALEN];
+	struct iw_quality	spy_stat[IW_MAX_SPY];
+#ifdef IW_WIRELESS_THRSPY
+	/* --- Enhanced spy support (event) */
+	struct iw_quality	spy_thr_low;	/* Low threshold */
+	struct iw_quality	spy_thr_high;	/* High threshold */
+	u_char			spy_thr_under[IW_MAX_SPY];
+#endif /* IW_WIRELESS_THRSPY */
+#endif /* IW_WIRELESS_SPY */
+};
+
 /**************************** PROTOTYPES ****************************/
 /*
  * Functions part of the Wireless Extensions (defined in net/core/wireless.c).
@@ -376,6 +414,31 @@ extern void wireless_send_event(struct n
 /* We may need a function to send a stream of events to user space.
  * More on that later... */
 
+/* Standard handler for SIOCSIWSPY */
+extern int iw_handler_set_spy(struct net_device *	dev,
+			      struct iw_request_info *	info,
+			      union iwreq_data *	wrqu,
+			      char *			extra);
+/* Standard handler for SIOCGIWSPY */
+extern int iw_handler_get_spy(struct net_device *	dev,
+			      struct iw_request_info *	info,
+			      union iwreq_data *	wrqu,
+			      char *			extra);
+/* Standard handler for SIOCSIWTHRSPY */
+extern int iw_handler_set_thrspy(struct net_device *	dev,
+				 struct iw_request_info *info,
+				 union iwreq_data *	wrqu,
+				 char *			extra);
+/* Standard handler for SIOCGIWTHRSPY */
+extern int iw_handler_get_thrspy(struct net_device *	dev,
+				 struct iw_request_info *info,
+				 union iwreq_data *	wrqu,
+				 char *			extra);
+/* Driver call to update spy records */
+extern void wireless_spy_update(struct net_device *	dev,
+				unsigned char *		address,
+				struct iw_quality *	wstats);
+
 /************************* INLINE FUNTIONS *************************/
 /*
  * Function that are so simple that it's more efficient inlining them
diff -u -p linux/net/core/wireless.15.c linux/net/core/wireless.c
--- linux/net/core/wireless.15.c	2004-11-05 15:00:11.000000000 -0800
+++ linux/net/core/wireless.c	2004-11-05 15:00:42.000000000 -0800
@@ -2,7 +2,7 @@
  * This file implement the Wireless Extensions APIs.
  *
  * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
- * Copyright (c) 1997-2002 Jean Tourrilhes, All Rights Reserved.
+ * Copyright (c) 1997-2003 Jean Tourrilhes, All Rights Reserved.
  *
  * (As all part of the Linux kernel, this file is GPL)
  */
@@ -43,6 +43,11 @@
  *	o Turn on WE_STRICT_WRITE by default + kernel warning
  *	o Fix WE_STRICT_WRITE in ioctl_export_private() (32 => iw_num)
  *	o Fix off-by-one in test (extra_size <= IFNAMSIZ)
+ *
+ * v6 - 9.01.03 - Jean II
+ *	o Add common spy support : iw_handler_set_spy(), wireless_spy_update()
+ *	o Add enhanced spy support : iw_handler_set_thrspy() and event.
+ *	o Add WIRELESS_EXT version display in /proc/net/wireless
  */
 
 /***************************** INCLUDES *****************************/
@@ -52,6 +57,7 @@
 #include <linux/types.h>		/* off_t */
 #include <linux/netdevice.h>		/* struct ifreq, dev_get_by_name() */
 #include <linux/rtnetlink.h>		/* rtnetlink stuff */
+#include <linux/if_arp.h>		/* ARPHRD_ETHER */
 
 #include <linux/wireless.h>		/* Pretty obvious */
 #include <net/iw_handler.h>		/* New driver API */
@@ -65,6 +71,7 @@
 /* Debuging stuff */
 #undef WE_IOCTL_DEBUG		/* Debug IOCTL API */
 #undef WE_EVENT_DEBUG		/* Debug Event dispatcher */
+#undef WE_SPY_DEBUG		/* Debug enhanced spy support */
 
 /* Options */
 #define WE_EVENT_NETLINK	/* Propagate events using rtnetlink */
@@ -72,7 +79,7 @@
 
 /************************* GLOBAL VARIABLES *************************/
 /*
- * You should not use global variables, because or re-entrancy.
+ * You should not use global variables, because of re-entrancy.
  * On our case, it's only const, so it's OK...
  */
 /*
@@ -115,11 +122,11 @@ static const struct iw_ioctl_description
 	/* SIOCSIWSPY */
 	{ IW_HEADER_TYPE_POINT, 0, sizeof(struct sockaddr), 0, IW_MAX_SPY, 0},
 	/* SIOCGIWSPY */
-	{ IW_HEADER_TYPE_POINT, 0, (sizeof(struct sockaddr) + sizeof(struct iw_quality)), 0, IW_MAX_GET_SPY, 0},
-	/* -- hole -- */
-	{ IW_HEADER_TYPE_NULL, 0, 0, 0, 0, 0},
-	/* -- hole -- */
-	{ IW_HEADER_TYPE_NULL, 0, 0, 0, 0, 0},
+	{ IW_HEADER_TYPE_POINT, 0, (sizeof(struct sockaddr) + sizeof(struct iw_quality)), 0, IW_MAX_SPY, 0},
+	/* SIOCSIWTHRSPY */
+	{ IW_HEADER_TYPE_POINT, 0, sizeof(struct iw_thrspy), 1, 1, 0},
+	/* SIOCGIWTHRSPY */
+	{ IW_HEADER_TYPE_POINT, 0, sizeof(struct iw_thrspy), 1, 1, 0},
 	/* SIOCSIWAP */
 	{ IW_HEADER_TYPE_ADDR, 0, 0, 0, 0, 0},
 	/* SIOCGIWAP */
@@ -377,9 +384,9 @@ int dev_get_wireless_info(char * buffer,
 	struct net_device *	dev;
 
 	size = sprintf(buffer,
-		       "Inter-| sta-|   Quality        |   Discarded packets               | Missed\n"
-		       " face | tus | link level noise |  nwid  crypt   frag  retry   misc | beacon\n"
-			);
+		       "Inter-| sta-|   Quality        |   Discarded packets               | Missed | WE\n"
+		       " face | tus | link level noise |  nwid  crypt   frag  retry   misc | beacon | %d\n",
+		       WIRELESS_EXT);
 	
 	pos += size;
 	len += size;
@@ -1024,3 +1031,252 @@ void wireless_send_event(struct net_devi
 
 	return;		/* Always success, I guess ;-) */
 }
+
+/********************** ENHANCED IWSPY SUPPORT **********************/
+/*
+ * In the old days, the driver was handling spy support all by itself.
+ * Now, the driver can delegate this task to Wireless Extensions.
+ * It needs to use those standard spy iw_handler in struct iw_handler_def,
+ * push data to us via XXX and include struct iw_spy_data in its
+ * private part.
+ * One of the main advantage of centralising spy support here is that
+ * it becomes much easier to improve and extend it without having to touch
+ * the drivers. One example is the addition of the Spy-Threshold events.
+ * Note : IW_WIRELESS_SPY is defined in iw_handler.h
+ */
+
+/*------------------------------------------------------------------*/
+/*
+ * Standard Wireless Handler : set Spy List
+ */
+int iw_handler_set_spy(struct net_device *	dev,
+		       struct iw_request_info *	info,
+		       union iwreq_data *	wrqu,
+		       char *			extra)
+{
+#ifdef IW_WIRELESS_SPY
+	struct iw_spy_data *	spydata = (dev->priv +
+					   dev->wireless_handlers->spy_offset);
+	struct sockaddr *	address = (struct sockaddr *) extra;
+
+	/* Disable spy collection while we copy the addresses.
+	 * As we don't disable interrupts, we need to do this to avoid races.
+	 * As we are the only writer, this is good enough. */
+	spydata->spy_number = 0;
+
+	/* Are there are addresses to copy? */
+	if(wrqu->data.length > 0) {
+		int i;
+
+		/* Copy addresses */
+		for(i = 0; i < wrqu->data.length; i++)
+			memcpy(spydata->spy_address[i], address[i].sa_data,
+			       ETH_ALEN);
+		/* Reset stats */
+		memset(spydata->spy_stat, 0,
+		       sizeof(struct iw_quality) * IW_MAX_SPY);
+
+#ifdef WE_SPY_DEBUG
+		printk(KERN_DEBUG "iw_handler_set_spy() :  offset %ld, spydata %p, num %d\n", dev->wireless_handlers->spy_offset, spydata, wrqu->data.length);
+		for (i = 0; i < wrqu->data.length; i++)
+			printk(KERN_DEBUG
+			       "%02X:%02X:%02X:%02X:%02X:%02X \n",
+			       spydata->spy_address[i][0],
+			       spydata->spy_address[i][1],
+			       spydata->spy_address[i][2],
+			       spydata->spy_address[i][3],
+			       spydata->spy_address[i][4],
+			       spydata->spy_address[i][5]);
+#endif	/* WE_SPY_DEBUG */
+	}
+	/* Enable addresses */
+	spydata->spy_number = wrqu->data.length;
+
+	return 0;
+#else /* IW_WIRELESS_SPY */
+	return -EOPNOTSUPP;
+#endif /* IW_WIRELESS_SPY */
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Standard Wireless Handler : get Spy List
+ */
+int iw_handler_get_spy(struct net_device *	dev,
+		       struct iw_request_info *	info,
+		       union iwreq_data *	wrqu,
+		       char *			extra)
+{
+#ifdef IW_WIRELESS_SPY
+	struct iw_spy_data *	spydata = (dev->priv +
+					   dev->wireless_handlers->spy_offset);
+	struct sockaddr *	address = (struct sockaddr *) extra;
+	int			i;
+
+	wrqu->data.length = spydata->spy_number;
+
+	/* Copy addresses. */
+	for(i = 0; i < spydata->spy_number; i++) 	{
+		memcpy(address[i].sa_data, spydata->spy_address[i], ETH_ALEN);
+		address[i].sa_family = AF_UNIX;
+	}
+	/* Copy stats to the user buffer (just after). */
+	if(spydata->spy_number > 0)
+		memcpy(extra  + (sizeof(struct sockaddr) *spydata->spy_number),
+		       spydata->spy_stat,
+		       sizeof(struct iw_quality) * spydata->spy_number);
+	/* Reset updated flags. */
+	for(i = 0; i < spydata->spy_number; i++)
+		spydata->spy_stat[i].updated = 0;
+	return 0;
+#else /* IW_WIRELESS_SPY */
+	return -EOPNOTSUPP;
+#endif /* IW_WIRELESS_SPY */
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Standard Wireless Handler : set spy threshold
+ */
+int iw_handler_set_thrspy(struct net_device *	dev,
+			  struct iw_request_info *info,
+			  union iwreq_data *	wrqu,
+			  char *		extra)
+{
+#ifdef IW_WIRELESS_THRSPY
+	struct iw_spy_data *	spydata = (dev->priv +
+					   dev->wireless_handlers->spy_offset);
+	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;
+
+	/* Just do it */
+	memcpy(&(spydata->spy_thr_low), &(threshold->low),
+	       2 * sizeof(struct iw_quality));
+
+	/* Clear flag */
+	memset(spydata->spy_thr_under, '\0', sizeof(spydata->spy_thr_under));
+
+#ifdef WE_SPY_DEBUG
+	printk(KERN_DEBUG "iw_handler_set_thrspy() :  low %d ; high %d\n", spydata->spy_thr_low.level, spydata->spy_thr_high.level);
+#endif	/* WE_SPY_DEBUG */
+
+	return 0;
+#else /* IW_WIRELESS_THRSPY */
+	return -EOPNOTSUPP;
+#endif /* IW_WIRELESS_THRSPY */
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * Standard Wireless Handler : get spy threshold
+ */
+int iw_handler_get_thrspy(struct net_device *	dev,
+			  struct iw_request_info *info,
+			  union iwreq_data *	wrqu,
+			  char *		extra)
+{
+#ifdef IW_WIRELESS_THRSPY
+	struct iw_spy_data *	spydata = (dev->priv +
+					   dev->wireless_handlers->spy_offset);
+	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;
+
+	/* Just do it */
+	memcpy(&(threshold->low), &(spydata->spy_thr_low),
+	       2 * sizeof(struct iw_quality));
+
+	return 0;
+#else /* IW_WIRELESS_THRSPY */
+	return -EOPNOTSUPP;
+#endif /* IW_WIRELESS_THRSPY */
+}
+
+#ifdef IW_WIRELESS_THRSPY
+/*------------------------------------------------------------------*/
+/*
+ * Prepare and send a Spy Threshold event
+ */
+static void iw_send_thrspy_event(struct net_device *	dev,
+				 struct iw_spy_data *	spydata,
+				 unsigned char *	address,
+				 struct iw_quality *	wstats)
+{
+	union iwreq_data	wrqu;
+	struct iw_thrspy	threshold;
+
+	/* Init */
+	wrqu.data.length = 1;
+	wrqu.data.flags = 0;
+	/* Copy address */
+	memcpy(threshold.addr.sa_data, address, ETH_ALEN);
+	threshold.addr.sa_family = ARPHRD_ETHER;
+	/* Copy stats */
+	memcpy(&(threshold.qual), wstats, sizeof(struct iw_quality));
+	/* Copy also thresholds */
+	memcpy(&(threshold.low), &(spydata->spy_thr_low),
+	       2 * sizeof(struct iw_quality));
+
+#ifdef WE_SPY_DEBUG
+	printk(KERN_DEBUG "iw_send_thrspy_event() : address %02X:%02X:%02X:%02X:%02X:%02X, level %d, up = %d\n",
+	       threshold.addr.sa_data[0],
+	       threshold.addr.sa_data[1],
+	       threshold.addr.sa_data[2],
+	       threshold.addr.sa_data[3],
+	       threshold.addr.sa_data[4],
+	       threshold.addr.sa_data[5], threshold.qual.level);
+#endif	/* WE_SPY_DEBUG */
+
+	/* Send event to user space */
+	wireless_send_event(dev, SIOCGIWTHRSPY, &wrqu, (char *) &threshold);
+}
+#endif /* IW_WIRELESS_THRSPY */
+
+/* ---------------------------------------------------------------- */
+/*
+ * Call for the driver to update the spy data.
+ * For now, the spy data is a simple array. As the size of the array is
+ * small, this is good enough. If we wanted to support larger number of
+ * spy addresses, we should use something more efficient...
+ */
+void wireless_spy_update(struct net_device *	dev,
+			 unsigned char *	address,
+			 struct iw_quality *	wstats)
+{
+#ifdef IW_WIRELESS_SPY
+	struct iw_spy_data *	spydata = (dev->priv +
+					   dev->wireless_handlers->spy_offset);
+	int			i;
+	int			match = -1;
+
+#ifdef WE_SPY_DEBUG
+	printk(KERN_DEBUG "wireless_spy_update() :  offset %ld, spydata %p, address %02X:%02X:%02X:%02X:%02X:%02X\n", dev->wireless_handlers->spy_offset, spydata, address[0], address[1], address[2], address[3], address[4], address[5]);
+#endif	/* WE_SPY_DEBUG */
+
+	/* Update all records that match */
+	for(i = 0; i < spydata->spy_number; i++)
+		if(!memcmp(address, spydata->spy_address[i], ETH_ALEN)) {
+			memcpy(&(spydata->spy_stat[i]), wstats,
+			       sizeof(struct iw_quality));
+			match = i;
+		}
+#ifdef IW_WIRELESS_THRSPY
+	/* Generate an event if we cross the spy threshold.
+	 * To avoid event storms, we have a simple hysteresis : we generate
+	 * event only when we go under the low threshold or above the
+	 * high threshold. */
+	if(match >= 0) {
+		if(spydata->spy_thr_under[match]) {
+			if(wstats->level > spydata->spy_thr_high.level) {
+				spydata->spy_thr_under[match] = 0;
+				iw_send_thrspy_event(dev, spydata,
+						     address, wstats);
+			}
+		} else {
+			if(wstats->level < spydata->spy_thr_low.level) {
+				spydata->spy_thr_under[match] = 1;
+				iw_send_thrspy_event(dev, spydata,
+						     address, wstats);
+			}
+		}
+	}
+#endif /* IW_WIRELESS_THRSPY */
+#endif /* IW_WIRELESS_SPY */
+}
diff -u -p linux/net/netsyms.15.c linux/net/netsyms.c
--- linux/net/netsyms.15.c	2004-11-05 15:00:25.000000000 -0800
+++ linux/net/netsyms.c	2004-11-05 15:01:38.000000000 -0800
@@ -589,9 +589,13 @@ EXPORT_SYMBOL(net_call_rx_atomic);
 EXPORT_SYMBOL(softnet_data);
 
 #if defined(CONFIG_NET_RADIO) || defined(CONFIG_NET_PCMCIA_RADIO)
-/* Don't include the whole header mess for a single function */
-extern void wireless_send_event(struct net_device *dev, unsigned int cmd, union iwreq_data *wrqu, char *extra);
+#include <net/iw_handler.h>
 EXPORT_SYMBOL(wireless_send_event);
+EXPORT_SYMBOL(iw_handler_set_spy);
+EXPORT_SYMBOL(iw_handler_get_spy);
+EXPORT_SYMBOL(iw_handler_set_thrspy);
+EXPORT_SYMBOL(iw_handler_get_thrspy);
+EXPORT_SYMBOL(wireless_spy_update);
 #endif	/* CONFIG_NET_RADIO || CONFIG_NET_PCMCIA_RADIO */
 
 #endif  /* CONFIG_NET */