move wlcompat to the broadcom-wl package

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@9528 3c298f89-4303-0410-b956-a3cf2f4a3e73

23 files changed, 1065 insertions, 4 deletions

diff --git a/package/broadcom-wl/src/kmod/Makefile b/package/broadcom-wl/src/driver/Makefile
index 0a16bdcec..0a16bdcec 100644
--- a/package/broadcom-wl/src/kmod/Makefile
+++ b/package/broadcom-wl/src/driver/Makefile
diff --git a/package/broadcom-wl/src/kmod/bcmip.h b/package/broadcom-wl/src/driver/bcmip.h
index 423a0e5c5..423a0e5c5 100644
--- a/package/broadcom-wl/src/kmod/bcmip.h
+++ b/package/broadcom-wl/src/driver/bcmip.h
diff --git a/package/broadcom-wl/src/kmod/bcmutils.c b/package/broadcom-wl/src/driver/bcmutils.c
index 7592f230a..7592f230a 100644
--- a/package/broadcom-wl/src/kmod/bcmutils.c
+++ b/package/broadcom-wl/src/driver/bcmutils.c
diff --git a/package/broadcom-wl/src/kmod/hnddma.c b/package/broadcom-wl/src/driver/hnddma.c
index 1b79dff4c..1b79dff4c 100644
--- a/package/broadcom-wl/src/kmod/hnddma.c
+++ b/package/broadcom-wl/src/driver/hnddma.c
diff --git a/package/broadcom-wl/src/kmod/hnddma.h b/package/broadcom-wl/src/driver/hnddma.h
index de74c067b..de74c067b 100644
--- a/package/broadcom-wl/src/kmod/hnddma.h
+++ b/package/broadcom-wl/src/driver/hnddma.h
diff --git a/package/broadcom-wl/src/kmod/linux_osl.c b/package/broadcom-wl/src/driver/linux_osl.c
index 24fd77dae..24fd77dae 100644
--- a/package/broadcom-wl/src/kmod/linux_osl.c
+++ b/package/broadcom-wl/src/driver/linux_osl.c
diff --git a/package/broadcom-wl/src/kmod/linux_osl.h b/package/broadcom-wl/src/driver/linux_osl.h
index d9c5533b8..d9c5533b8 100644
--- a/package/broadcom-wl/src/kmod/linux_osl.h
+++ b/package/broadcom-wl/src/driver/linux_osl.h
diff --git a/package/broadcom-wl/src/kmod/patchtable.pl b/package/broadcom-wl/src/driver/patchtable.pl
index 699973512..699973512 100644
--- a/package/broadcom-wl/src/kmod/patchtable.pl
+++ b/package/broadcom-wl/src/driver/patchtable.pl
diff --git a/package/broadcom-wl/src/kmod/pktq.h b/package/broadcom-wl/src/driver/pktq.h
index 7fe21815e..7fe21815e 100644
--- a/package/broadcom-wl/src/kmod/pktq.h
+++ b/package/broadcom-wl/src/driver/pktq.h
diff --git a/package/broadcom-wl/src/kmod/sbhnddma.h b/package/broadcom-wl/src/driver/sbhnddma.h
index a26db7395..a26db7395 100644
--- a/package/broadcom-wl/src/kmod/sbhnddma.h
+++ b/package/broadcom-wl/src/driver/sbhnddma.h
diff --git a/package/broadcom-wl/src/wlc/include/bcmdefs.h b/package/broadcom-wl/src/include/bcmdefs.h
index 8b5abe5d2..8b5abe5d2 100644
--- a/package/broadcom-wl/src/wlc/include/bcmdefs.h
+++ b/package/broadcom-wl/src/include/bcmdefs.h
diff --git a/package/broadcom-wl/src/wlc/include/bcmutils.h b/package/broadcom-wl/src/include/bcmutils.h
index b6e7b0542..b6e7b0542 100644
--- a/package/broadcom-wl/src/wlc/include/bcmutils.h
+++ b/package/broadcom-wl/src/include/bcmutils.h
diff --git a/package/broadcom-wl/src/wlc/include/proto/802.11.h b/package/broadcom-wl/src/include/proto/802.11.h
index 2b1c4ee11..2b1c4ee11 100644
--- a/package/broadcom-wl/src/wlc/include/proto/802.11.h
+++ b/package/broadcom-wl/src/include/proto/802.11.h
diff --git a/package/broadcom-wl/src/wlc/include/proto/bcmeth.h b/package/broadcom-wl/src/include/proto/bcmeth.h
index 7b3295389..7b3295389 100644
--- a/package/broadcom-wl/src/wlc/include/proto/bcmeth.h
+++ b/package/broadcom-wl/src/include/proto/bcmeth.h
diff --git a/package/broadcom-wl/src/wlc/include/proto/bcmevent.h b/package/broadcom-wl/src/include/proto/bcmevent.h
index d922a5d21..d922a5d21 100644
--- a/package/broadcom-wl/src/wlc/include/proto/bcmevent.h
+++ b/package/broadcom-wl/src/include/proto/bcmevent.h
diff --git a/package/broadcom-wl/src/wlc/include/proto/ethernet.h b/package/broadcom-wl/src/include/proto/ethernet.h
index 03fd4f654..ced65b696 100644
--- a/package/broadcom-wl/src/wlc/include/proto/ethernet.h
+++ b/package/broadcom-wl/src/include/proto/ethernet.h
@@ -12,8 +12,8 @@
  * $Id: ethernet.h,v 1.1.1.14 2006/02/27 03:43:16 honor Exp $
  */
 
-#ifndef _NET_ETHERNET_H_	    /* use native BSD ethernet.h when available */
-#define _NET_ETHERNET_H_
+#ifndef __NET_ETHERNET_H
+#define __NET_ETHERNET_H
 
 #ifndef _TYPEDEFS_H_
 #include "typedefs.h"
@@ -162,4 +162,4 @@ static const struct ether_addr ether_bcast = {{255, 255, 255, 255, 255, 255}};
 #pragma pack()
 #endif
 
-#endif /* _NET_ETHERNET_H_ */
+#endif /* __NET_ETHERNET_H */
diff --git a/package/broadcom-wl/src/wlc/include/proto/wpa.h b/package/broadcom-wl/src/include/proto/wpa.h
index dd35dbef0..dd35dbef0 100644
--- a/package/broadcom-wl/src/wlc/include/proto/wpa.h
+++ b/package/broadcom-wl/src/include/proto/wpa.h
diff --git a/package/broadcom-wl/src/wlc/include/typedefs.h b/package/broadcom-wl/src/include/typedefs.h
index 6c498bbcb..6c498bbcb 100644
--- a/package/broadcom-wl/src/wlc/include/typedefs.h
+++ b/package/broadcom-wl/src/include/typedefs.h
diff --git a/package/broadcom-wl/src/wlc/include/wlioctl.h b/package/broadcom-wl/src/include/wlioctl.h
index 0558415d3..0558415d3 100644
--- a/package/broadcom-wl/src/wlc/include/wlioctl.h
+++ b/package/broadcom-wl/src/include/wlioctl.h
diff --git a/package/broadcom-wl/src/wlc/include/wlutils.h b/package/broadcom-wl/src/include/wlutils.h
index a5aa1fd66..a5aa1fd66 100644
--- a/package/broadcom-wl/src/wlc/include/wlutils.h
+++ b/package/broadcom-wl/src/include/wlutils.h
diff --git a/package/broadcom-wl/src/wlc/Makefile b/package/broadcom-wl/src/wlc/Makefile
index ffe164951..5a243f415 100644
--- a/package/broadcom-wl/src/wlc/Makefile
+++ b/package/broadcom-wl/src/wlc/Makefile
@@ -4,6 +4,6 @@ clean:
 
 wlc: wlc.o ioctl.o
 %.o: %.c
-	$(CC) $(CFLAGS) -Wall -c -o $@ $<
+	$(CC) $(CFLAGS) -I../include -Wall -c -o $@ $<
 
 .PHONY: all clean
diff --git a/package/broadcom-wl/src/wlcompat/Makefile b/package/broadcom-wl/src/wlcompat/Makefile
new file mode 100644
index 000000000..6f3224df1
--- /dev/null
+++ b/package/broadcom-wl/src/wlcompat/Makefile
@@ -0,0 +1,25 @@
+# $Id$
+#
+# Makefile for wlcompat
+#
+# Copyright (C) 2005-2007 Felix Fietkau <nbd@openwrt.org>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version
+# 2 of the License, or (at your option) any later version.
+#
+
+EXTRA_CFLAGS += -DBCMDRIVER=1 -DBCMDMA64=1 -I../include
+ifneq ($(DEBUG),)
+  EXTRA_CFLAGS += -DDEBUG=1
+  _D=-debug
+endif
+
+obj-m := wlcompat$(_D).o
+modules: wlcompat$(_D).o
+
+wlcompat$(_D).o: wlcompat.c
+	$(CC) $(CFLAGS) $(EXTRA_CFLAGS_nostdinc) -DKBUILD_BASENAME=$(subst $(comma),_,$(subst -,_,$(*F))) $(CFLAGS_$@) -c -o $@ $<
+
+-include $(TOPDIR)/Rules.make
diff --git a/package/broadcom-wl/src/wlcompat/wlcompat.c b/package/broadcom-wl/src/wlcompat/wlcompat.c
new file mode 100644
index 000000000..3e869ea79
--- /dev/null
+++ b/package/broadcom-wl/src/wlcompat/wlcompat.c
@@ -0,0 +1,1036 @@
+/*
+ * wlcompat.c
+ *
+ * Copyright (C) 2005      Mike Baker
+ * Copyright (C) 2005-2007 Felix Fietkau <nbd@openwrt.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * $Id$
+ */
+
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/if_arp.h>
+#include <linux/wireless.h>
+#include <linux/timer.h>
+#include <linux/delay.h>
+#include <net/iw_handler.h>
+#include <asm/uaccess.h>
+
+#include <typedefs.h>
+#include <bcmutils.h>
+#include <wlioctl.h>
+
+static struct net_device *dev;
+static struct iw_statistics wstats;
+#ifndef DEBUG
+static int random = 1;
+#endif
+static int last_mode = -1;
+static int scan_cur = 0;
+char buf[WLC_IOCTL_MAXLEN];
+
+/* The frequency of each channel in MHz */
+const long channel_frequency[] = {
+	2412, 2417, 2422, 2427, 2432, 2437, 2442,
+	2447, 2452, 2457, 2462, 2467, 2472, 2484
+};
+#define NUM_CHANNELS ( sizeof(channel_frequency) / sizeof(channel_frequency[0]) )
+
+#define SCAN_RETRY_MAX	5
+#define RNG_POLL_FREQ	1
+
+typedef struct internal_wsec_key {
+	uint8 index;		// 0x00
+	uint8 unknown_1;	// 0x01
+	uint8 type;		// 0x02
+	uint8 unknown_2[7];	// 0x03
+	uint8 len;		// 0x0a
+	uint8 pad[3];
+	char data[32];		// 0x0e
+} wkey;
+
+
+#ifdef DEBUG
+void print_buffer(int len, unsigned char *buf);
+#endif
+
+static int wl_ioctl(struct net_device *dev, int cmd, void *buf, int len)
+{
+	mm_segment_t old_fs = get_fs();
+	struct ifreq ifr;
+	int ret;
+	wl_ioctl_t ioc;
+	ioc.cmd = cmd;
+	ioc.buf = buf;
+	ioc.len = len;
+	strncpy(ifr.ifr_name, dev->name, IFNAMSIZ);
+	ifr.ifr_data = (caddr_t) &ioc;
+	set_fs(KERNEL_DS);
+	ret = dev->do_ioctl(dev,&ifr,SIOCDEVPRIVATE);
+	set_fs (old_fs);
+	return ret;
+}
+
+static int
+wl_iovar_getbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen)
+{
+	int err;
+	uint namelen;
+	uint iolen;
+
+	namelen = strlen(iovar) + 1;	 /* length of iovar name plus null */
+	iolen = namelen + paramlen;
+
+	/* check for overflow */
+	if (iolen > buflen)
+		return (BCME_BUFTOOSHORT);
+
+	memcpy(bufptr, iovar, namelen);	/* copy iovar name including null */
+	memcpy((int8*)bufptr + namelen, param, paramlen);
+
+	err = wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
+
+	return (err);
+}
+
+static int
+wl_iovar_setbuf(struct net_device *dev, char *iovar, void *param, int paramlen, void *bufptr, int buflen)
+{
+	uint namelen;
+	uint iolen;
+
+	namelen = strlen(iovar) + 1;	 /* length of iovar name plus null */
+	iolen = namelen + paramlen;
+
+	/* check for overflow */
+	if (iolen > buflen)
+		return (BCME_BUFTOOSHORT);
+
+	memcpy(bufptr, iovar, namelen);	/* copy iovar name including null */
+	memcpy((int8*)bufptr + namelen, param, paramlen);
+
+	return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
+}
+
+static int
+wl_iovar_set(struct net_device *dev, char *iovar, void *param, int paramlen)
+{
+	char smbuf[WLC_IOCTL_SMLEN];
+
+	return wl_iovar_setbuf(dev, iovar, param, paramlen, smbuf, sizeof(smbuf));
+}
+
+static int
+wl_iovar_get(struct net_device *dev, char *iovar, void *bufptr, int buflen)
+{
+	char smbuf[WLC_IOCTL_SMLEN];
+	int ret;
+
+	/* use the return buffer if it is bigger than what we have on the stack */
+	if (buflen > sizeof(smbuf)) {
+		ret = wl_iovar_getbuf(dev, iovar, NULL, 0, bufptr, buflen);
+	} else {
+		ret = wl_iovar_getbuf(dev, iovar, NULL, 0, smbuf, sizeof(smbuf));
+		if (ret == 0)
+			memcpy(bufptr, smbuf, buflen);
+	}
+
+	return ret;
+}
+
+#ifdef notyet
+/*
+ * format a bsscfg indexed iovar buffer
+ */
+static int
+wl_bssiovar_mkbuf(char *iovar, int bssidx, void *param, int paramlen, void *bufptr, int buflen,
+                  int *plen)
+{
+	char *prefix = "bsscfg:";
+	int8* p;
+	uint prefixlen;
+	uint namelen;
+	uint iolen;
+
+	prefixlen = strlen(prefix);	/* length of bsscfg prefix */
+	namelen = strlen(iovar) + 1;	/* length of iovar name + null */
+	iolen = prefixlen + namelen + sizeof(int) + paramlen;
+
+	/* check for overflow */
+	if (buflen < 0 || iolen > (uint)buflen) {
+		*plen = 0;
+		return BCME_BUFTOOSHORT;
+	}
+
+	p = (int8*)bufptr;
+
+	/* copy prefix, no null */
+	memcpy(p, prefix, prefixlen);
+	p += prefixlen;
+
+	/* copy iovar name including null */
+	memcpy(p, iovar, namelen);
+	p += namelen;
+
+	/* bss config index as first param */
+	memcpy(p, &bssidx, sizeof(int32));
+	p += sizeof(int32);
+
+	/* parameter buffer follows */
+	if (paramlen)
+		memcpy(p, param, paramlen);
+
+	*plen = iolen;
+	return 0;
+}
+
+/*
+ * set named & bss indexed driver variable to buffer value
+ */
+static int
+wl_bssiovar_setbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr,
+                   int buflen)
+{
+	int err;
+	int iolen;
+
+	err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
+	if (err)
+		return err;
+
+	return wl_ioctl(dev, WLC_SET_VAR, bufptr, iolen);
+}
+
+/*
+ * get named & bss indexed driver variable buffer value
+ */
+static int
+wl_bssiovar_getbuf(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen, void *bufptr,
+                   int buflen)
+{
+	int err;
+	int iolen;
+
+	err = wl_bssiovar_mkbuf(iovar, bssidx, param, paramlen, bufptr, buflen, &iolen);
+	if (err)
+		return err;
+
+	return wl_ioctl(dev, WLC_GET_VAR, bufptr, buflen);
+}
+
+/*
+ * set named & bss indexed driver variable to buffer value
+ */
+static int
+wl_bssiovar_set(struct net_device *dev, char *iovar, int bssidx, void *param, int paramlen)
+{
+	char smbuf[WLC_IOCTL_SMLEN];
+
+	return wl_bssiovar_setbuf(dev, iovar, bssidx, param, paramlen, smbuf, sizeof(smbuf));
+}
+
+/*
+ * get named & bss indexed driver variable buffer value
+ */
+static int
+wl_bssiovar_get(struct net_device *dev, char *iovar, int bssidx, void *outbuf, int len)
+{
+	char smbuf[WLC_IOCTL_SMLEN];
+	int err;
+
+	/* use the return buffer if it is bigger than what we have on the stack */
+	if (len > (int)sizeof(smbuf)) {
+		err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, outbuf, len);
+	} else {
+		memset(smbuf, 0, sizeof(smbuf));
+		err = wl_bssiovar_getbuf(dev, iovar, bssidx, NULL, 0, smbuf, sizeof(smbuf));
+		if (err == 0)
+			memcpy(outbuf, smbuf, len);
+	}
+
+	return err;
+}
+#endif
+
+int get_primary_key(struct net_device *dev)
+{
+	int key, val;
+	
+	for (key = val = 0; (key < 4) && (val == 0); key++) {
+		val = key;
+		if (wl_ioctl(dev, WLC_GET_KEY_PRIMARY, &val, sizeof(val)) < 0)
+			return -EINVAL;
+	}
+	return key;
+}
+
+
+static int wlcompat_ioctl_getiwrange(struct net_device *dev,
+				    char *extra)
+{
+	int i, k;
+	struct iw_range *range;
+
+	range = (struct iw_range *) extra;
+	memset(extra, 0, sizeof(struct iw_range));
+
+	range->we_version_compiled = WIRELESS_EXT;
+	range->we_version_source = WIRELESS_EXT;
+	
+	range->min_nwid = range->max_nwid = 0;
+	
+	range->num_channels = NUM_CHANNELS;
+	k = 0;
+	for (i = 0; i < NUM_CHANNELS; i++) {
+		range->freq[k].i = i + 1;
+		range->freq[k].m = channel_frequency[i] * 100000;
+		range->freq[k].e = 1;
+		k++;
+		if (k >= IW_MAX_FREQUENCIES)
+			break;
+	}
+	range->num_frequency = k;
+	range->sensitivity = 3;
+
+	/* nbd: don't know what this means, but other drivers set it this way */
+	range->pmp_flags = IW_POWER_PERIOD;
+	range->pmt_flags = IW_POWER_TIMEOUT;
+	range->pm_capa = IW_POWER_PERIOD | IW_POWER_TIMEOUT | IW_POWER_UNICAST_R;
+
+	range->min_pmp = 0;
+	range->max_pmp = 65535000;
+	range->min_pmt = 0;
+	range->max_pmt = 65535 * 1000;
+
+	range->max_qual.qual = 0;
+	range->max_qual.level = 0;
+	range->max_qual.noise = 0;
+	
+	range->min_rts = 0;
+	if (wl_iovar_get(dev, "rtsthresh", &range->max_rts, sizeof(int)) < 0)
+		range->max_rts = 2347;
+
+	range->min_frag = 256;
+	
+	if (wl_iovar_get(dev, "fragthresh", &range->max_frag, sizeof(int)) < 0)
+		range->max_frag = 2346;
+
+	range->txpower_capa = IW_TXPOW_DBM;
+
+	return 0;
+}
+
+
+static int wlcompat_set_scan(struct net_device *dev,
+			 struct iw_request_info *info,
+			 union iwreq_data *wrqu,
+			 char *extra)
+{
+	int ap = 0;
+	wl_scan_params_t params;
+
+	memset(&params, 0, sizeof(params));
+
+	/* use defaults (same parameters as wl scan) */
+	memset(&params.bssid, 0xff, sizeof(params.bssid));
+	params.bss_type = DOT11_BSSTYPE_ANY;
+	params.scan_type = -1;
+	params.nprobes = -1;
+	params.active_time = -1;
+	params.passive_time = -1;
+	params.home_time = -1;
+	
+	/* can only scan in STA mode */
+	wl_ioctl(dev, WLC_GET_AP, &last_mode, sizeof(last_mode));
+	if (last_mode > 0) {
+		/* switch to ap mode, scan result query will switch back */
+		wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
+
+		/* wait 250 msec after mode change */
+		set_current_state(TASK_INTERRUPTIBLE);
+		schedule_timeout(msecs_to_jiffies(250));
+	}
+
+	scan_cur = SCAN_RETRY_MAX;
+	while (scan_cur-- && (wl_ioctl(dev, WLC_SCAN, &params, 64) < 0)) {
+		/* sometimes the driver takes a few tries... */
+		set_current_state(TASK_INTERRUPTIBLE);
+		schedule_timeout(msecs_to_jiffies(250));
+	}
+
+	if (!scan_cur) 
+		return -EINVAL;
+	
+	scan_cur = 0;
+
+	/* wait at least 2 seconds for results */
+	set_current_state(TASK_INTERRUPTIBLE);
+	schedule_timeout(msecs_to_jiffies(2000));
+	
+	return 0;
+}
+
+
+struct iw_statistics *wlcompat_get_wireless_stats(struct net_device *dev)
+{
+	struct wl_bss_info *bss_info = (struct wl_bss_info *) buf;
+	get_pktcnt_t pkt;
+	unsigned int rssi, noise, ap;
+	
+	memset(&wstats, 0, sizeof(wstats));
+	memset(&pkt, 0, sizeof(pkt));
+	memset(buf, 0, sizeof(buf));
+	bss_info->version = 0x2000;
+	wl_ioctl(dev, WLC_GET_BSS_INFO, bss_info, WLC_IOCTL_MAXLEN);
+	wl_ioctl(dev, WLC_GET_PKTCNTS, &pkt, sizeof(pkt));
+
+	rssi = 0;
+	if ((wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0) || ap) {
+		if (wl_ioctl(dev, WLC_GET_PHY_NOISE, &noise, sizeof(noise)) < 0)
+			noise = 0;
+	} else {
+		// somehow the structure doesn't fit here
+		rssi = buf[82];
+		noise = buf[84];
+	}
+	rssi = (rssi == 0 ? 1 : rssi);
+	wstats.qual.updated = 0x10;
+	if (rssi <= 1) 
+		wstats.qual.updated |= 0x20;
+	if (noise <= 1)
+		wstats.qual.updated |= 0x40;
+
+	if ((wstats.qual.updated & 0x60) == 0x60)
+		return NULL;
+
+	wstats.qual.level = rssi;
+	wstats.qual.noise = noise;
+	wstats.discard.misc = pkt.rx_bad_pkt;
+	wstats.discard.retries = pkt.tx_bad_pkt;
+
+	return &wstats;
+}
+
+static int wlcompat_get_scan(struct net_device *dev,
+			 struct iw_request_info *info,
+			 union iwreq_data *wrqu,
+			 char *extra)
+{
+	wl_scan_results_t *results = (wl_scan_results_t *) buf;
+	wl_bss_info_t *bss_info;
+	char *info_ptr;
+	char *current_ev = extra;
+	char *current_val;
+	char *end_buf = extra + IW_SCAN_MAX_DATA;
+	struct iw_event iwe;
+	int i, j;
+	int rssi, noise;
+	
+	memset(buf, 0, WLC_IOCTL_MAXLEN);
+	results->buflen = WLC_IOCTL_MAXLEN - sizeof(wl_scan_results_t);
+	
+	if (wl_ioctl(dev, WLC_SCAN_RESULTS, buf, WLC_IOCTL_MAXLEN) < 0)
+		return -EAGAIN;
+	
+	if ((results->count <= 0) && (scan_cur++ < SCAN_RETRY_MAX))
+		return -EAGAIN;
+	
+	bss_info = &(results->bss_info[0]);
+	info_ptr = (char *) bss_info;
+	for (i = 0; i < results->count; i++) {
+		/* send the cell address (must be sent first) */
+		iwe.cmd = SIOCGIWAP;
+		iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
+		memcpy(&iwe.u.ap_addr.sa_data, &bss_info->BSSID, sizeof(bss_info->BSSID));
+		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_ADDR_LEN);
+		
+		/* send the ESSID */
+		iwe.cmd = SIOCGIWESSID;
+		iwe.u.data.length = bss_info->SSID_len;
+		if (iwe.u.data.length > IW_ESSID_MAX_SIZE)
+			iwe.u.data.length = IW_ESSID_MAX_SIZE;
+		iwe.u.data.flags = 1;
+		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, bss_info->SSID);
+
+		/* send mode */
+		if  (bss_info->capability & (DOT11_CAP_ESS | DOT11_CAP_IBSS)) {
+			iwe.cmd = SIOCGIWMODE;
+			if (bss_info->capability & DOT11_CAP_ESS)
+				iwe.u.mode = IW_MODE_MASTER;
+			else if (bss_info->capability & DOT11_CAP_IBSS)
+				iwe.u.mode = IW_MODE_ADHOC;
+			current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_UINT_LEN);
+		}
+
+		/* send frequency/channel info */
+		iwe.cmd = SIOCGIWFREQ;
+		iwe.u.freq.e = 0;
+		iwe.u.freq.m = bss_info->chanspec & WL_CHANSPEC_CHAN_MASK;
+		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_FREQ_LEN);
+
+		/* add quality statistics */
+		iwe.cmd = IWEVQUAL;
+		iwe.u.qual.qual = 0;
+		iwe.u.qual.level = bss_info->RSSI;
+		iwe.u.qual.noise = bss_info->phy_noise;
+		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe, IW_EV_QUAL_LEN);
+	
+		/* send encryption capability */
+		iwe.cmd = SIOCGIWENCODE;
+		iwe.u.data.pointer = NULL;
+		iwe.u.data.length = 0;
+		if (bss_info->capability & DOT11_CAP_PRIVACY)
+			iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
+		else
+			iwe.u.data.flags = IW_ENCODE_DISABLED;
+		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, NULL);
+
+		/* send rate information */
+		iwe.cmd = SIOCGIWRATE;
+		current_val = current_ev + IW_EV_LCP_LEN;
+		iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
+		
+		for(j = 0 ; j < bss_info->rateset.count ; j++) {
+			iwe.u.bitrate.value = ((bss_info->rateset.rates[j] & 0x7f) * 500000);
+			current_val = iwe_stream_add_value(current_ev, current_val, end_buf, &iwe, IW_EV_PARAM_LEN);
+		}
+		if((current_val - current_ev) > IW_EV_LCP_LEN)
+			current_ev = current_val;
+
+		info_ptr += sizeof(wl_bss_info_t);
+		if (bss_info->ie_length % 4)
+			info_ptr += bss_info->ie_length + 4 - (bss_info->ie_length % 4);
+		else
+			info_ptr += bss_info->ie_length;
+		bss_info = (wl_bss_info_t *) info_ptr;
+	}
+	
+	wrqu->data.length = (current_ev - extra);
+	wrqu->data.flags = 0;
+
+	if (last_mode > 0)
+		/* switch back to ap mode */
+		wl_ioctl(dev, WLC_SET_AP, &last_mode, sizeof(last_mode));
+	
+	return 0;
+}
+
+static int wlcompat_ioctl(struct net_device *dev,
+			 struct iw_request_info *info,
+			 union iwreq_data *wrqu,
+			 char *extra)
+{
+	switch (info->cmd) {
+		case SIOCGIWNAME:
+			strcpy(wrqu->name, "IEEE 802.11-DS");
+			break;
+		case SIOCGIWFREQ:
+		{
+			channel_info_t ci;
+
+			if (wl_ioctl(dev,WLC_GET_CHANNEL, &ci, sizeof(ci)) < 0)
+				return -EINVAL;
+
+			wrqu->freq.m = ci.target_channel;
+			wrqu->freq.e = 0;
+			break;
+		}
+		case SIOCSIWFREQ:
+		{
+			if (wrqu->freq.m == -1) {
+				wrqu->freq.m = 0;
+				if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
+					return -EINVAL;
+			} else {
+				if (wrqu->freq.e == 1) {
+					int channel = 0;
+					int f = wrqu->freq.m / 100000;
+					while ((channel < NUM_CHANNELS + 1) && (f != channel_frequency[channel]))
+						channel++;
+					
+					if (channel == NUM_CHANNELS) // channel not found
+						return -EINVAL;
+
+					wrqu->freq.e = 0;
+					wrqu->freq.m = channel + 1;
+				}
+				if ((wrqu->freq.e == 0) && (wrqu->freq.m < 1000)) {
+					if (wl_ioctl(dev, WLC_SET_CHANNEL, &wrqu->freq.m, sizeof(int)) < 0)
+						return -EINVAL;
+				} else {
+					return -EINVAL;
+				}
+			}
+			break;
+		}
+		case SIOCSIWAP:
+		{
+			int ap = 0;
+			int infra = 0;
+			rw_reg_t reg;
+
+			memset(&reg, 0, sizeof(reg));
+
+			if (wrqu->ap_addr.sa_family != ARPHRD_ETHER)
+				return -EINVAL;
+
+			if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
+				return -EINVAL;
+
+			if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
+				return -EINVAL;
+
+			if (!infra) 
+				wl_ioctl(dev, WLC_SET_BSSID, wrqu->ap_addr.sa_data, 6);
+
+			if (wl_ioctl(dev, ((ap || !infra) ? WLC_SET_BSSID : WLC_REASSOC), wrqu->ap_addr.sa_data, 6) < 0)
+				return -EINVAL;
+
+			break;
+		}
+		case SIOCGIWAP:
+		{
+			wrqu->ap_addr.sa_family = ARPHRD_ETHER;
+			if (wl_ioctl(dev,WLC_GET_BSSID,wrqu->ap_addr.sa_data,6) < 0)
+				return -EINVAL;
+			break;
+		}
+		case SIOCGIWESSID:
+		{
+			wlc_ssid_t ssid;
+			
+			if (wl_ioctl(dev,WLC_GET_SSID, &ssid, sizeof(wlc_ssid_t)) < 0)
+				return -EINVAL;
+
+			wrqu->essid.flags = wrqu->data.flags = 1;
+			wrqu->essid.length = wrqu->data.length = ssid.SSID_len + 1;
+			memcpy(extra,ssid.SSID,ssid.SSID_len + 1);
+			break;
+		}
+		case SIOCSIWESSID:
+		{
+			wlc_ssid_t ssid;
+			memset(&ssid, 0, sizeof(ssid));
+			ssid.SSID_len = strlen(extra);
+			if (ssid.SSID_len > 32)
+				ssid.SSID_len = 32;
+			memcpy(ssid.SSID, extra, ssid.SSID_len);
+			if (wl_ioctl(dev, WLC_SET_SSID, &ssid, sizeof(ssid)) < 0)
+				return -EINVAL;
+			break;
+		}
+		case SIOCGIWRTS:
+		{
+			if (wl_iovar_get(dev, "rtsthresh", &(wrqu->rts.value), sizeof(int)) < 0) 
+				return -EINVAL;
+			break;
+		}
+		case SIOCSIWRTS:
+		{
+			if (wl_iovar_set(dev, "rtsthresh", &(wrqu->rts.value), sizeof(int)) < 0) 
+				return -EINVAL;
+			break;
+		}
+		case SIOCGIWFRAG:
+		{
+			if (wl_iovar_get(dev, "fragthresh", &(wrqu->frag.value), sizeof(int)) < 0)
+				return -EINVAL;
+			break;
+		}
+		case SIOCSIWFRAG:
+		{
+			if (wl_iovar_set(dev, "fragthresh", &(wrqu->frag.value), sizeof(int)) < 0)
+				return -EINVAL;
+			break;
+		}
+		case SIOCGIWTXPOW:
+		{
+			int radio, override;
+
+			wl_ioctl(dev, WLC_GET_RADIO, &radio, sizeof(int));
+			
+			if (wl_iovar_get(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
+				return -EINVAL;
+			
+			override = (wrqu->txpower.value & WL_TXPWR_OVERRIDE) == WL_TXPWR_OVERRIDE;
+			wrqu->txpower.value &= ~WL_TXPWR_OVERRIDE;
+			if (!override && (wrqu->txpower.value > 76))
+				wrqu->txpower.value = 76;
+			wrqu->txpower.value /= 4;
+				
+			wrqu->txpower.fixed = 0;
+			wrqu->txpower.disabled = radio;
+			wrqu->txpower.flags = IW_TXPOW_DBM;
+			break;
+		}
+		case SIOCSIWTXPOW:
+		{
+			/* This is weird: WLC_SET_RADIO with 1 as argument disables the radio */
+			int radio = wrqu->txpower.disabled;
+
+			wl_ioctl(dev, WLC_SET_RADIO, &radio, sizeof(int));
+			
+			if (!wrqu->txpower.disabled && (wrqu->txpower.value > 0)) {
+				int value;
+				
+				if (wl_iovar_get(dev, "qtxpower", &value, sizeof(int)) < 0)
+					return -EINVAL;
+				
+				value &= WL_TXPWR_OVERRIDE;
+				wrqu->txpower.value *= 4;
+				wrqu->txpower.value |= value;
+				
+				if (wrqu->txpower.flags != IW_TXPOW_DBM)
+					return -EINVAL;
+				
+				if (wrqu->txpower.value > 0)
+					if (wl_iovar_set(dev, "qtxpower", &(wrqu->txpower.value), sizeof(int)) < 0)
+						return -EINVAL;
+			}
+			break;
+		}
+		case SIOCSIWENCODE:
+		{
+			int val = 0, wep = 1, wrestrict = 1;
+			int index = (wrqu->data.flags & IW_ENCODE_INDEX) - 1;
+
+			if (index < 0)
+				index = get_primary_key(dev);
+			
+			if (wrqu->data.flags & IW_ENCODE_DISABLED) {
+				wep = 0;
+				if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
+					return -EINVAL;
+				return 0;
+			}
+
+			if (wl_ioctl(dev, WLC_SET_WSEC, &wep, sizeof(val)) < 0)
+				return -EINVAL;
+
+			if (wrqu->data.flags & IW_ENCODE_OPEN)
+				wrestrict = 0;
+			
+			if (wrqu->data.pointer && (wrqu->data.length > 0) && (wrqu->data.length <= 16)) {
+				wl_wsec_key_t key;
+				memset(&key, 0, sizeof(key));
+
+				key.flags = WL_PRIMARY_KEY;
+				key.len = wrqu->data.length;
+				key.index = index;
+				memcpy(key.data, wrqu->data.pointer, wrqu->data.length);
+
+				if (wl_ioctl(dev, WLC_SET_KEY, &key, sizeof(key)) < 0)
+					return -EINVAL;
+			}
+
+			if (index >= 0)
+				wl_ioctl(dev, WLC_SET_KEY_PRIMARY, &index, sizeof(index));
+			
+			if (wrestrict >= 0)
+				wl_ioctl(dev, WLC_SET_WEP_RESTRICT, &wrestrict, sizeof(wrestrict));
+
+			break;
+		}
+		case SIOCGIWENCODE:
+		{
+			int val;
+			int key = get_primary_key(dev);
+			int *info_addr; 
+			wkey *wep_key;
+			
+			if (wl_ioctl(dev, WLC_GET_WSEC, &val, sizeof(val)) < 0)
+				return -EINVAL;
+			if (!(val & WEP_ENABLED)) {
+				wrqu->data.flags = IW_ENCODE_DISABLED;
+				break;
+			}
+
+			key = get_primary_key(dev);
+			wrqu->data.flags = IW_ENCODE_ENABLED;
+
+			/* the driver apparently doesn't allow us to read the wep key */
+			wrqu->data.flags |= IW_ENCODE_NOKEY;
+
+			break;
+		}
+		case SIOCGIWRANGE:
+		{
+			return wlcompat_ioctl_getiwrange(dev, extra);
+			break;
+		}
+		case SIOCSIWMODE:
+		{
+			int ap = -1, infra = -1, passive = 0, wet = 0;
+			
+			switch (wrqu->mode) {
+				case IW_MODE_MONITOR:
+					passive = 1;
+					break;
+				case IW_MODE_ADHOC:
+					infra = 0;
+					ap = 0;
+					break;
+				case IW_MODE_MASTER:
+					infra = 1;
+					ap = 1;
+					break;
+				case IW_MODE_INFRA:
+					infra = 1;
+					ap = 0;
+					break;
+				case IW_MODE_REPEAT:
+					infra = 1;
+					ap = 0;
+					wet = 1;
+					break;
+					
+				default:
+					return -EINVAL;
+			}
+			
+			wl_ioctl(dev, WLC_SET_PASSIVE, &passive, sizeof(passive));
+			wl_ioctl(dev, WLC_SET_MONITOR, &passive, sizeof(passive));
+			wl_ioctl(dev, WLC_SET_WET, &wet, sizeof(wet));
+			if (ap >= 0) 
+				wl_ioctl(dev, WLC_SET_AP, &ap, sizeof(ap));
+			if (infra >= 0)
+				wl_ioctl(dev, WLC_SET_INFRA, &infra, sizeof(infra));
+
+			break;
+						
+		}
+		case SIOCGIWMODE:
+		{
+			int ap, infra, wet, passive;
+
+			if (wl_ioctl(dev, WLC_GET_AP, &ap, sizeof(ap)) < 0)
+				return -EINVAL;
+			if (wl_ioctl(dev, WLC_GET_INFRA, &infra, sizeof(infra)) < 0)
+				return -EINVAL;
+			if (wl_ioctl(dev, WLC_GET_PASSIVE, &passive, sizeof(passive)) < 0)
+				return -EINVAL;
+			if (wl_ioctl(dev, WLC_GET_WET, &wet, sizeof(wet)) < 0)
+				return -EINVAL;
+
+			if (passive) {
+				wrqu->mode = IW_MODE_MONITOR;
+			} else if (!infra) {
+				wrqu->mode = IW_MODE_ADHOC;
+			} else {
+				if (ap) {
+					wrqu->mode = IW_MODE_MASTER;
+				} else {
+					if (wet) {
+						wrqu->mode = IW_MODE_REPEAT;
+					} else {
+						wrqu->mode = IW_MODE_INFRA;
+					}
+				}
+			}
+			break;
+		}
+		default:
+			return -EINVAL;
+			break;
+	}
+	
+	return 0;
+}
+
+static const iw_handler	 wlcompat_handler[] = {
+	NULL,			/* SIOCSIWCOMMIT */
+	wlcompat_ioctl,		/* SIOCGIWNAME */
+	NULL,			/* SIOCSIWNWID */
+	NULL,			/* SIOCGIWNWID */
+	wlcompat_ioctl,		/* SIOCSIWFREQ */
+	wlcompat_ioctl,		/* SIOCGIWFREQ */
+	wlcompat_ioctl,		/* SIOCSIWMODE */
+	wlcompat_ioctl,		/* SIOCGIWMODE */
+	NULL,			/* SIOCSIWSENS */
+	NULL,			/* SIOCGIWSENS */
+	NULL,			/* SIOCSIWRANGE, unused */
+	wlcompat_ioctl,		/* SIOCGIWRANGE */
+	NULL,			/* SIOCSIWPRIV */
+	NULL,			/* SIOCGIWPRIV */
+	NULL,			/* SIOCSIWSTATS */
+	NULL,			/* SIOCGIWSTATS */
+	iw_handler_set_spy,	/* SIOCSIWSPY */
+	iw_handler_get_spy,	/* SIOCGIWSPY */
+	iw_handler_set_thrspy,  /* SIOCSIWTHRSPY */
+	iw_handler_get_thrspy,  /* SIOCGIWTHRSPY */
+	wlcompat_ioctl,		/* SIOCSIWAP */
+	wlcompat_ioctl,		/* SIOCGIWAP */
+	NULL,			/* -- hole -- */
+	NULL,			/* SIOCGIWAPLIST */
+	wlcompat_set_scan,	/* SIOCSIWSCAN */
+	wlcompat_get_scan,	/* SIOCGIWSCAN */
+	wlcompat_ioctl,		/* SIOCSIWESSID */
+	wlcompat_ioctl,		/* SIOCGIWESSID */
+	NULL,			/* SIOCSIWNICKN */
+	NULL,			/* SIOCGIWNICKN */
+	NULL,			/* -- hole -- */
+	NULL,			/* -- hole -- */
+	NULL,			/* SIOCSIWRATE */
+	NULL,			/* SIOCGIWRATE */
+	wlcompat_ioctl,		/* SIOCSIWRTS */
+	wlcompat_ioctl,		/* SIOCGIWRTS */
+	wlcompat_ioctl,		/* SIOCSIWFRAG */
+	wlcompat_ioctl,		/* SIOCGIWFRAG */
+	wlcompat_ioctl,		/* SIOCSIWTXPOW */
+	wlcompat_ioctl,		/* SIOCGIWTXPOW */
+	NULL,			/* SIOCSIWRETRY */
+	NULL,			/* SIOCGIWRETRY */
+	wlcompat_ioctl,		/* SIOCSIWENCODE */
+	wlcompat_ioctl,		/* SIOCGIWENCODE */
+};
+
+
+static const struct iw_handler_def wlcompat_handler_def =
+{
+	.standard	= (iw_handler *) wlcompat_handler,
+	.num_standard	= sizeof(wlcompat_handler)/sizeof(iw_handler),
+};
+
+
+#ifdef DEBUG
+void print_buffer(int len, unsigned char *buf) {
+	int x;
+	if (buf != NULL) {
+		for (x=0;x<len && x<180 ;x++) {
+			if ((x % 4) == 0)
+				printk(" ");
+			printk("%02X",buf[x]);
+		}
+	} else {
+		printk(" NULL");
+	}
+	printk("\n");
+
+}
+#endif
+static int (*old_ioctl)(struct net_device *dev, struct ifreq *ifr, int cmd);
+static int new_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) {
+	int ret = 0;
+	struct iwreq *iwr = (struct iwreq *) ifr;
+	struct iw_request_info info;
+	
+#ifdef DEBUG
+	printk("dev: %s ioctl: 0x%04x\n",dev->name,cmd);
+	if (cmd==SIOCDEVPRIVATE) {
+		wl_ioctl_t *ioc = (wl_ioctl_t *)ifr->ifr_data;
+		unsigned char *buf = ioc->buf;
+		printk("   cmd: %d buf: 0x%08x len: %d\n",ioc->cmd,&(ioc->buf),ioc->len);
+		printk("   send: ->");
+		print_buffer(ioc->len, buf);
+		ret = old_ioctl(dev,ifr,cmd);
+		printk("   recv: ->");
+		print_buffer(ioc->len, buf);
+		printk("   ret: %d\n", ret);
+	} else
+#endif
+	{
+		ret = old_ioctl(dev,ifr,cmd);
+	}
+	return ret;
+}
+
+#ifndef DEBUG
+static struct timer_list rng_timer;
+static spinlock_t rng_lock = SPIN_LOCK_UNLOCKED;
+
+static void rng_timer_tick(unsigned long n)
+{
+	struct net_device *dev = (struct net_device *) n;
+	unsigned long flags;
+	u16 data[4];
+	int i, ret;
+	
+	ret = 0;
+	spin_lock_irqsave(&rng_lock, flags);
+	for (i = 0; i < 3; i++) {
+		ret |= wl_iovar_get(dev, "rand", &data[i], sizeof(u16));
+	}
+	spin_unlock_irqrestore(&rng_lock, flags);
+
+	if (!ret)
+		batch_entropy_store(*((u32 *) &data[0]), *((u32 *) &data[2]), (jiffies % 255));
+
+	mod_timer(&rng_timer, jiffies + (HZ/RNG_POLL_FREQ));
+}
+#endif
+
+static int __init wlcompat_init()
+{
+	int found = 0, i;
+	char devname[4] = "wl0";
+	
+	while (!found && (dev = dev_get_by_name(devname))) {
+		if ((dev->wireless_handlers == NULL) && ((wl_ioctl(dev, WLC_GET_MAGIC, &i, sizeof(i)) == 0) && i == WLC_IOCTL_MAGIC))
+			found = 1;
+		devname[2]++;
+	}
+	
+	if (!found) {
+		printk("No Broadcom devices found.\n");
+		return -ENODEV;
+	}
+		
+
+	old_ioctl = dev->do_ioctl;
+	dev->do_ioctl = new_ioctl;
+	dev->wireless_handlers = (struct iw_handler_def *)&wlcompat_handler_def;
+	dev->get_wireless_stats = wlcompat_get_wireless_stats;
+
+#ifndef DEBUG
+	if (random) {
+		init_timer(&rng_timer);
+		rng_timer.function = rng_timer_tick;
+		rng_timer.data = (unsigned long) dev;
+		rng_timer_tick((unsigned long) dev);
+	}
+#endif
+	
+#ifdef DEBUG
+	printk("broadcom driver private data: 0x%08x\n", dev->priv);
+#endif
+	return 0;
+}
+
+static void __exit wlcompat_exit()
+{
+#ifndef DEBUG
+	if (random)
+		del_timer(&rng_timer);
+#endif
+	dev->get_wireless_stats = NULL;
+	dev->wireless_handlers = NULL;
+	dev->do_ioctl = old_ioctl;
+	return;
+}
+
+EXPORT_NO_SYMBOLS;
+MODULE_AUTHOR("openwrt.org");
+MODULE_LICENSE("GPL");
+
+#ifndef DEBUG
+module_param(random, int, 0);
+#endif
+module_init(wlcompat_init);
+module_exit(wlcompat_exit);