Upgrade b43 and mac80211.

This also temporarly disables hostapd support for mac80211, as hostapd needs patches to compile against latest mac80211.
Will do that in a seperate patch.

SVN-Revision: 10466

9 files changed, 2685 insertions, 14 deletions

diff --git a/package/mac80211/src/net/wireless/Kconfig b/package/mac80211/src/net/wireless/Kconfig
index 6291f13bba..79270903bd 100644
--- a/package/mac80211/src/net/wireless/Kconfig
+++ b/package/mac80211/src/net/wireless/Kconfig
@@ -3,16 +3,16 @@ config CFG80211
 
 config NL80211
 	bool "nl80211 new netlink interface support"
-	depends CFG80211
+	depends on CFG80211
 	default y
 	---help---
-         This option turns on the new netlink interface
-         (nl80211) support in cfg80211.
+	  This option turns on the new netlink interface
+	  (nl80211) support in cfg80211.
 
-         If =n, drivers using mac80211 will be configured via
-         wireless extension support provided by that subsystem.
+	  If =n, drivers using mac80211 will be configured via
+	  wireless extension support provided by that subsystem.
 
-         If unsure, say Y.
+	  If unsure, say Y.
 
 config WIRELESS_EXT
 	bool "Wireless extensions"
diff --git a/package/mac80211/src/net/wireless/Makefile b/package/mac80211/src/net/wireless/Makefile
index 5664c2cfd7..b9f943c45f 100644
--- a/package/mac80211/src/net/wireless/Makefile
+++ b/package/mac80211/src/net/wireless/Makefile
@@ -1,4 +1,5 @@
+obj-$(CONFIG_WIRELESS_EXT) += wext.o
 obj-$(CONFIG_CFG80211) += cfg80211.o
 
-cfg80211-y += core.o sysfs.o radiotap.o
+cfg80211-y += core.o sysfs.o radiotap.o util.o reg.o
 cfg80211-$(CONFIG_NL80211) += nl80211.o
diff --git a/package/mac80211/src/net/wireless/core.c b/package/mac80211/src/net/wireless/core.c
index 35b79bee3a..80afacdae4 100644
--- a/package/mac80211/src/net/wireless/core.c
+++ b/package/mac80211/src/net/wireless/core.c
@@ -69,7 +69,7 @@ __cfg80211_drv_from_info(struct genl_info *info)
 
 	if (info->attrs[NL80211_ATTR_IFINDEX]) {
 		ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
-		dev = dev_get_by_index(ifindex);
+		dev = dev_get_by_index(&init_net, ifindex);
 		if (dev) {
 			if (dev->ieee80211_ptr)
 				byifidx =
@@ -120,7 +120,7 @@ cfg80211_get_dev_from_ifindex(int ifindex)
 	struct net_device *dev;
 
 	mutex_lock(&cfg80211_drv_mutex);
-	dev = dev_get_by_index(ifindex);
+	dev = dev_get_by_index(&init_net, ifindex);
 	if (!dev)
 		goto out;
 	if (dev->ieee80211_ptr) {
@@ -184,6 +184,9 @@ struct wiphy *wiphy_new(struct cfg80211_ops *ops, int sizeof_priv)
 	struct cfg80211_registered_device *drv;
 	int alloc_size;
 
+	WARN_ON(!ops->add_key && ops->del_key);
+	WARN_ON(ops->add_key && !ops->del_key);
+
 	alloc_size = sizeof(*drv) + sizeof_priv;
 
 	drv = kzalloc(alloc_size, GFP_KERNEL);
@@ -229,6 +232,47 @@ int wiphy_register(struct wiphy *wiphy)
 {
 	struct cfg80211_registered_device *drv = wiphy_to_dev(wiphy);
 	int res;
+	enum ieee80211_band band;
+	struct ieee80211_supported_band *sband;
+	bool have_band = false;
+	int i;
+
+	/* sanity check supported bands/channels */
+	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+		sband = wiphy->bands[band];
+		if (!sband)
+			continue;
+
+		sband->band = band;
+
+		if (!sband->n_channels || !sband->n_bitrates) {
+			WARN_ON(1);
+			return -EINVAL;
+		}
+
+		for (i = 0; i < sband->n_channels; i++) {
+			sband->channels[i].orig_flags =
+				sband->channels[i].flags;
+			sband->channels[i].orig_mag =
+				sband->channels[i].max_antenna_gain;
+			sband->channels[i].orig_mpwr =
+				sband->channels[i].max_power;
+			sband->channels[i].band = band;
+		}
+
+		have_band = true;
+	}
+
+	if (!have_band) {
+		WARN_ON(1);
+		return -EINVAL;
+	}
+
+	/* check and set up bitrates */
+	ieee80211_set_bitrate_flags(wiphy);
+
+	/* set up regulatory info */
+	wiphy_update_regulatory(wiphy);
 
 	mutex_lock(&cfg80211_drv_mutex);
 
diff --git a/package/mac80211/src/net/wireless/core.h b/package/mac80211/src/net/wireless/core.h
index eb0f846b40..7a02c356d6 100644
--- a/package/mac80211/src/net/wireless/core.h
+++ b/package/mac80211/src/net/wireless/core.h
@@ -78,4 +78,7 @@ extern void cfg80211_dev_free(struct cfg80211_registered_device *drv);
 extern int cfg80211_dev_rename(struct cfg80211_registered_device *drv,
 			       char *newname);
 
+void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
+void wiphy_update_regulatory(struct wiphy *wiphy);
+
 #endif /* __NET_WIRELESS_CORE_H */
diff --git a/package/mac80211/src/net/wireless/nl80211.c b/package/mac80211/src/net/wireless/nl80211.c
index 58717f3037..5b3474798b 100644
--- a/package/mac80211/src/net/wireless/nl80211.c
+++ b/package/mac80211/src/net/wireless/nl80211.c
@@ -39,7 +39,7 @@ static int get_drv_dev_by_info_ifindex(struct genl_info *info,
 		return -EINVAL;
 
 	ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]);
-	*dev = dev_get_by_index(ifindex);
+	*dev = dev_get_by_index(&init_net, ifindex);
 	if (!*dev)
 		return -ENODEV;
 
@@ -61,6 +61,28 @@ static struct nla_policy nl80211_policy[NL80211_ATTR_MAX+1] __read_mostly = {
 	[NL80211_ATTR_IFTYPE] = { .type = NLA_U32 },
 	[NL80211_ATTR_IFINDEX] = { .type = NLA_U32 },
 	[NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 },
+
+	[NL80211_ATTR_MAC] = { .type = NLA_BINARY, .len = ETH_ALEN },
+
+	[NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY,
+				    .len = WLAN_MAX_KEY_LEN },
+	[NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 },
+	[NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 },
+	[NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG },
+
+	[NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 },
+	[NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 },
+	[NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY,
+				       .len = IEEE80211_MAX_DATA_LEN },
+	[NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY,
+				       .len = IEEE80211_MAX_DATA_LEN },
+	[NL80211_ATTR_STA_AID] = { .type = NLA_U16 },
+	[NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED },
+	[NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 },
+	[NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY,
+					       .len = NL80211_MAX_SUPP_RATES },
+	[NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 },
+	[NL80211_ATTR_MNTR_FLAGS] = { .type = NLA_NESTED },
 };
 
 /* message building helper */
@@ -77,6 +99,13 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 			      struct cfg80211_registered_device *dev)
 {
 	void *hdr;
+	struct nlattr *nl_bands, *nl_band;
+	struct nlattr *nl_freqs, *nl_freq;
+	struct nlattr *nl_rates, *nl_rate;
+	enum ieee80211_band band;
+	struct ieee80211_channel *chan;
+	struct ieee80211_rate *rate;
+	int i;
 
 	hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_WIPHY);
 	if (!hdr)
@@ -84,6 +113,73 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags,
 
 	NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, dev->idx);
 	NLA_PUT_STRING(msg, NL80211_ATTR_WIPHY_NAME, wiphy_name(&dev->wiphy));
+
+	nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS);
+	if (!nl_bands)
+		goto nla_put_failure;
+
+	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
+		if (!dev->wiphy.bands[band])
+			continue;
+
+		nl_band = nla_nest_start(msg, band);
+		if (!nl_band)
+			goto nla_put_failure;
+
+		/* add frequencies */
+		nl_freqs = nla_nest_start(msg, NL80211_BAND_ATTR_FREQS);
+		if (!nl_freqs)
+			goto nla_put_failure;
+
+		for (i = 0; i < dev->wiphy.bands[band]->n_channels; i++) {
+			nl_freq = nla_nest_start(msg, i);
+			if (!nl_freq)
+				goto nla_put_failure;
+
+			chan = &dev->wiphy.bands[band]->channels[i];
+			NLA_PUT_U32(msg, NL80211_FREQUENCY_ATTR_FREQ,
+				    chan->center_freq);
+
+			if (chan->flags & IEEE80211_CHAN_DISABLED)
+				NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_DISABLED);
+			if (chan->flags & IEEE80211_CHAN_PASSIVE_SCAN)
+				NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_PASSIVE_SCAN);
+			if (chan->flags & IEEE80211_CHAN_NO_IBSS)
+				NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_NO_IBSS);
+			if (chan->flags & IEEE80211_CHAN_RADAR)
+				NLA_PUT_FLAG(msg, NL80211_FREQUENCY_ATTR_RADAR);
+
+			nla_nest_end(msg, nl_freq);
+		}
+
+		nla_nest_end(msg, nl_freqs);
+
+		/* add bitrates */
+		nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES);
+		if (!nl_rates)
+			goto nla_put_failure;
+
+		for (i = 0; i < dev->wiphy.bands[band]->n_bitrates; i++) {
+			nl_rate = nla_nest_start(msg, i);
+			if (!nl_rate)
+				goto nla_put_failure;
+
+			rate = &dev->wiphy.bands[band]->bitrates[i];
+			NLA_PUT_U32(msg, NL80211_BITRATE_ATTR_RATE,
+				    rate->bitrate);
+			if (rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
+				NLA_PUT_FLAG(msg,
+					NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE);
+
+			nla_nest_end(msg, nl_rate);
+		}
+
+		nla_nest_end(msg, nl_rates);
+
+		nla_nest_end(msg, nl_band);
+	}
+	nla_nest_end(msg, nl_bands);
+
 	return genlmsg_end(msg, hdr);
 
  nla_put_failure:
@@ -241,12 +337,42 @@ static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info)
 	return -ENOBUFS;
 }
 
+static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = {
+	[NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG },
+	[NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG },
+	[NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG },
+	[NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG },
+	[NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG },
+};
+
+static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags)
+{
+	struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1];
+	int flag;
+
+	*mntrflags = 0;
+
+	if (!nla)
+		return -EINVAL;
+
+	if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX,
+			     nla, mntr_flags_policy))
+		return -EINVAL;
+
+	for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++)
+		if (flags[flag])
+			*mntrflags |= (1<<flag);
+
+	return 0;
+}
+
 static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *drv;
 	int err, ifindex;
 	enum nl80211_iftype type;
 	struct net_device *dev;
+	u32 flags;
 
 	if (info->attrs[NL80211_ATTR_IFTYPE]) {
 		type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]);
@@ -267,7 +393,11 @@ static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info)
 	}
 
 	rtnl_lock();
-	err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex, type);
+	err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
+				  info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
+				  &flags);
+	err = drv->ops->change_virtual_intf(&drv->wiphy, ifindex,
+					    type, err ? NULL : &flags);
 	rtnl_unlock();
 
  unlock:
@@ -280,6 +410,7 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
 	struct cfg80211_registered_device *drv;
 	int err;
 	enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED;
+	u32 flags;
 
 	if (!info->attrs[NL80211_ATTR_IFNAME])
 		return -EINVAL;
@@ -300,8 +431,12 @@ static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info)
 	}
 
 	rtnl_lock();
+	err = parse_monitor_flags(type == NL80211_IFTYPE_MONITOR ?
+				  info->attrs[NL80211_ATTR_MNTR_FLAGS] : NULL,
+				  &flags);
 	err = drv->ops->add_virtual_intf(&drv->wiphy,
-		nla_data(info->attrs[NL80211_ATTR_IFNAME]), type);
+		nla_data(info->attrs[NL80211_ATTR_IFNAME]),
+		type, err ? NULL : &flags);
 	rtnl_unlock();
 
  unlock:
@@ -335,6 +470,655 @@ static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
 	return err;
 }
 
+struct get_key_cookie {
+	struct sk_buff *msg;
+	int error;
+};
+
+static void get_key_callback(void *c, struct key_params *params)
+{
+	struct get_key_cookie *cookie = c;
+
+	if (params->key)
+		NLA_PUT(cookie->msg, NL80211_ATTR_KEY_DATA,
+			params->key_len, params->key);
+
+	if (params->seq)
+		NLA_PUT(cookie->msg, NL80211_ATTR_KEY_SEQ,
+			params->seq_len, params->seq);
+
+	if (params->cipher)
+		NLA_PUT_U32(cookie->msg, NL80211_ATTR_KEY_CIPHER,
+			    params->cipher);
+
+	return;
+ nla_put_failure:
+	cookie->error = 1;
+}
+
+static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	u8 key_idx = 0;
+	u8 *mac_addr = NULL;
+	struct get_key_cookie cookie = {
+		.error = 0,
+	};
+	void *hdr;
+	struct sk_buff *msg;
+
+	if (info->attrs[NL80211_ATTR_KEY_IDX])
+		key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
+
+	if (key_idx > 3)
+		return -EINVAL;
+
+	if (info->attrs[NL80211_ATTR_MAC])
+		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->get_key) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	if (!msg) {
+		err = -ENOMEM;
+		goto out;
+	}
+
+	hdr = nl80211hdr_put(msg, info->snd_pid, info->snd_seq, 0,
+			     NL80211_CMD_NEW_KEY);
+
+	if (IS_ERR(hdr)) {
+		err = PTR_ERR(hdr);
+		goto out;
+	}
+
+	cookie.msg = msg;
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+	NLA_PUT_U8(msg, NL80211_ATTR_KEY_IDX, key_idx);
+	if (mac_addr)
+		NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+
+	rtnl_lock();
+	err = drv->ops->get_key(&drv->wiphy, dev, key_idx, mac_addr,
+				&cookie, get_key_callback);
+	rtnl_unlock();
+
+	if (err)
+		goto out;
+
+	if (cookie.error)
+		goto nla_put_failure;
+
+	genlmsg_end(msg, hdr);
+	err = genlmsg_unicast(msg, info->snd_pid);
+	goto out;
+
+ nla_put_failure:
+	err = -ENOBUFS;
+	nlmsg_free(msg);
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	u8 key_idx;
+
+	if (!info->attrs[NL80211_ATTR_KEY_IDX])
+		return -EINVAL;
+
+	key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
+
+	if (key_idx > 3)
+		return -EINVAL;
+
+	/* currently only support setting default key */
+	if (!info->attrs[NL80211_ATTR_KEY_DEFAULT])
+		return -EINVAL;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->set_default_key) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->set_default_key(&drv->wiphy, dev, key_idx);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	struct key_params params;
+	u8 key_idx = 0;
+	u8 *mac_addr = NULL;
+
+	memset(&params, 0, sizeof(params));
+
+	if (!info->attrs[NL80211_ATTR_KEY_CIPHER])
+		return -EINVAL;
+
+	if (info->attrs[NL80211_ATTR_KEY_DATA]) {
+		params.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]);
+		params.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]);
+	}
+
+	if (info->attrs[NL80211_ATTR_KEY_IDX])
+		key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
+
+	params.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]);
+
+	if (info->attrs[NL80211_ATTR_MAC])
+		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+	if (key_idx > 3)
+		return -EINVAL;
+
+	/*
+	 * Disallow pairwise keys with non-zero index unless it's WEP
+	 * (because current deployments use pairwise WEP keys with
+	 * non-zero indizes but 802.11i clearly specifies to use zero)
+	 */
+	if (mac_addr && key_idx &&
+	    params.cipher != WLAN_CIPHER_SUITE_WEP40 &&
+	    params.cipher != WLAN_CIPHER_SUITE_WEP104)
+		return -EINVAL;
+
+	/* TODO: add definitions for the lengths to linux/ieee80211.h */
+	switch (params.cipher) {
+	case WLAN_CIPHER_SUITE_WEP40:
+		if (params.key_len != 5)
+			return -EINVAL;
+		break;
+	case WLAN_CIPHER_SUITE_TKIP:
+		if (params.key_len != 32)
+			return -EINVAL;
+		break;
+	case WLAN_CIPHER_SUITE_CCMP:
+		if (params.key_len != 16)
+			return -EINVAL;
+		break;
+	case WLAN_CIPHER_SUITE_WEP104:
+		if (params.key_len != 13)
+			return -EINVAL;
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->add_key) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->add_key(&drv->wiphy, dev, key_idx, mac_addr, &params);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	u8 key_idx = 0;
+	u8 *mac_addr = NULL;
+
+	if (info->attrs[NL80211_ATTR_KEY_IDX])
+		key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]);
+
+	if (key_idx > 3)
+		return -EINVAL;
+
+	if (info->attrs[NL80211_ATTR_MAC])
+		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->del_key) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->del_key(&drv->wiphy, dev, key_idx, mac_addr);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_addset_beacon(struct sk_buff *skb, struct genl_info *info)
+{
+        int (*call)(struct wiphy *wiphy, struct net_device *dev,
+		    struct beacon_parameters *info);
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	struct beacon_parameters params;
+	int haveinfo = 0;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	switch (info->genlhdr->cmd) {
+	case NL80211_CMD_NEW_BEACON:
+		/* these are required for NEW_BEACON */
+		if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] ||
+		    !info->attrs[NL80211_ATTR_DTIM_PERIOD] ||
+		    !info->attrs[NL80211_ATTR_BEACON_HEAD]) {
+			err = -EINVAL;
+			goto out;
+		}
+
+		call = drv->ops->add_beacon;
+		break;
+	case NL80211_CMD_SET_BEACON:
+		call = drv->ops->set_beacon;
+		break;
+	default:
+		WARN_ON(1);
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	if (!call) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	memset(&params, 0, sizeof(params));
+
+	if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) {
+		params.interval =
+		    nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]);
+		haveinfo = 1;
+	}
+
+	if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) {
+		params.dtim_period =
+		    nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]);
+		haveinfo = 1;
+	}
+
+	if (info->attrs[NL80211_ATTR_BEACON_HEAD]) {
+		params.head = nla_data(info->attrs[NL80211_ATTR_BEACON_HEAD]);
+		params.head_len =
+		    nla_len(info->attrs[NL80211_ATTR_BEACON_HEAD]);
+		haveinfo = 1;
+	}
+
+	if (info->attrs[NL80211_ATTR_BEACON_TAIL]) {
+		params.tail = nla_data(info->attrs[NL80211_ATTR_BEACON_TAIL]);
+		params.tail_len =
+		    nla_len(info->attrs[NL80211_ATTR_BEACON_TAIL]);
+		haveinfo = 1;
+	}
+
+	if (!haveinfo) {
+		err = -EINVAL;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = call(&drv->wiphy, dev, &params);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_del_beacon(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->del_beacon) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->del_beacon(&drv->wiphy, dev);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = {
+	[NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG },
+	[NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG },
+	[NL80211_STA_FLAG_WME] = { .type = NLA_FLAG },
+};
+
+static int parse_station_flags(struct nlattr *nla, u32 *staflags)
+{
+	struct nlattr *flags[NL80211_STA_FLAG_MAX + 1];
+	int flag;
+
+	*staflags = 0;
+
+	if (!nla)
+		return 0;
+
+	if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX,
+			     nla, sta_flags_policy))
+		return -EINVAL;
+
+	*staflags = STATION_FLAG_CHANGED;
+
+	for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++)
+		if (flags[flag])
+			*staflags |= (1<<flag);
+
+	return 0;
+}
+
+static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
+				int flags, struct net_device *dev,
+				u8 *mac_addr, struct station_stats *stats)
+{
+	void *hdr;
+	struct nlattr *statsattr;
+
+	hdr = nl80211hdr_put(msg, pid, seq, flags, NL80211_CMD_NEW_STATION);
+	if (!hdr)
+		return -1;
+
+	NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, dev->ifindex);
+	NLA_PUT(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr);
+
+	statsattr = nla_nest_start(msg, NL80211_ATTR_STA_STATS);
+	if (!statsattr)
+		goto nla_put_failure;
+	if (stats->filled & STATION_STAT_INACTIVE_TIME)
+		NLA_PUT_U32(msg, NL80211_STA_STAT_INACTIVE_TIME,
+			    stats->inactive_time);
+	if (stats->filled & STATION_STAT_RX_BYTES)
+		NLA_PUT_U32(msg, NL80211_STA_STAT_RX_BYTES,
+			    stats->rx_bytes);
+	if (stats->filled & STATION_STAT_TX_BYTES)
+		NLA_PUT_U32(msg, NL80211_STA_STAT_TX_BYTES,
+			    stats->tx_bytes);
+
+	nla_nest_end(msg, statsattr);
+
+	return genlmsg_end(msg, hdr);
+
+ nla_put_failure:
+	return genlmsg_cancel(msg, hdr);
+}
+
+
+static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	struct station_stats stats;
+	struct sk_buff *msg;
+	u8 *mac_addr = NULL;
+
+	memset(&stats, 0, sizeof(stats));
+
+	if (!info->attrs[NL80211_ATTR_MAC])
+		return -EINVAL;
+
+	mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->get_station) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->get_station(&drv->wiphy, dev, mac_addr, &stats);
+	rtnl_unlock();
+
+	msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL);
+	if (!msg)
+		goto out;
+
+	if (nl80211_send_station(msg, info->snd_pid, info->snd_seq, 0,
+				 dev, mac_addr, &stats) < 0)
+		goto out_free;
+
+	err = genlmsg_unicast(msg, info->snd_pid);
+	goto out;
+
+ out_free:
+	nlmsg_free(msg);
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+/*
+ * Get vlan interface making sure it is on the right wiphy.
+ */
+static int get_vlan(struct nlattr *vlanattr,
+		    struct cfg80211_registered_device *rdev,
+		    struct net_device **vlan)
+{
+	*vlan = NULL;
+
+	if (vlanattr) {
+		*vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr));
+		if (!*vlan)
+			return -ENODEV;
+		if (!(*vlan)->ieee80211_ptr)
+			return -EINVAL;
+		if ((*vlan)->ieee80211_ptr->wiphy != &rdev->wiphy)
+			return -EINVAL;
+	}
+	return 0;
+}
+
+static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	struct station_parameters params;
+	u8 *mac_addr = NULL;
+
+	memset(&params, 0, sizeof(params));
+
+	params.listen_interval = -1;
+
+	if (info->attrs[NL80211_ATTR_STA_AID])
+		return -EINVAL;
+
+	if (!info->attrs[NL80211_ATTR_MAC])
+		return -EINVAL;
+
+	mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+	if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) {
+		params.supported_rates =
+			nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
+		params.supported_rates_len =
+			nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
+	}
+
+	if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
+		params.listen_interval =
+		    nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
+
+	if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
+				&params.station_flags))
+		return -EINVAL;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, &params.vlan);
+	if (err)
+		goto out;
+
+	if (!drv->ops->change_station) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->change_station(&drv->wiphy, dev, mac_addr, &params);
+	rtnl_unlock();
+
+ out:
+	if (params.vlan)
+		dev_put(params.vlan);
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	struct station_parameters params;
+	u8 *mac_addr = NULL;
+
+	memset(&params, 0, sizeof(params));
+
+	if (!info->attrs[NL80211_ATTR_MAC])
+		return -EINVAL;
+
+	if (!info->attrs[NL80211_ATTR_STA_AID])
+		return -EINVAL;
+
+	if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL])
+		return -EINVAL;
+
+	if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES])
+		return -EINVAL;
+
+	mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+	params.supported_rates =
+		nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
+	params.supported_rates_len =
+		nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]);
+	params.listen_interval =
+		nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]);
+	params.listen_interval = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]);
+
+	if (parse_station_flags(info->attrs[NL80211_ATTR_STA_FLAGS],
+				&params.station_flags))
+		return -EINVAL;
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], drv, &params.vlan);
+	if (err)
+		goto out;
+
+	if (!drv->ops->add_station) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->add_station(&drv->wiphy, dev, mac_addr, &params);
+	rtnl_unlock();
+
+ out:
+	if (params.vlan)
+		dev_put(params.vlan);
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
+static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *drv;
+	int err;
+	struct net_device *dev;
+	u8 *mac_addr = NULL;
+
+	if (info->attrs[NL80211_ATTR_MAC])
+		mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]);
+
+	err = get_drv_dev_by_info_ifindex(info, &drv, &dev);
+	if (err)
+		return err;
+
+	if (!drv->ops->del_station) {
+		err = -EOPNOTSUPP;
+		goto out;
+	}
+
+	rtnl_lock();
+	err = drv->ops->del_station(&drv->wiphy, dev, mac_addr);
+	rtnl_unlock();
+
+ out:
+	cfg80211_put_dev(drv);
+	dev_put(dev);
+	return err;
+}
+
 static struct genl_ops nl80211_ops[] = {
 	{
 		.cmd = NL80211_CMD_GET_WIPHY,
@@ -374,6 +1158,73 @@ static struct genl_ops nl80211_ops[] = {
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
 	},
+	{
+		.cmd = NL80211_CMD_GET_KEY,
+		.doit = nl80211_get_key,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_SET_KEY,
+		.doit = nl80211_set_key,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_NEW_KEY,
+		.doit = nl80211_new_key,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_DEL_KEY,
+		.doit = nl80211_del_key,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_SET_BEACON,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+		.doit = nl80211_addset_beacon,
+	},
+	{
+		.cmd = NL80211_CMD_NEW_BEACON,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+		.doit = nl80211_addset_beacon,
+	},
+	{
+		.cmd = NL80211_CMD_DEL_BEACON,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+		.doit = nl80211_del_beacon,
+	},
+	{
+		.cmd = NL80211_CMD_GET_STATION,
+		.doit = nl80211_get_station,
+		/* TODO: implement dumpit */
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_SET_STATION,
+		.doit = nl80211_set_station,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_NEW_STATION,
+		.doit = nl80211_new_station,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
+	{
+		.cmd = NL80211_CMD_DEL_STATION,
+		.doit = nl80211_del_station,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
 };
 
 /* multicast groups */
diff --git a/package/mac80211/src/net/wireless/reg.c b/package/mac80211/src/net/wireless/reg.c
new file mode 100644
index 0000000000..2b63c96dcf
--- /dev/null
+++ b/package/mac80211/src/net/wireless/reg.c
@@ -0,0 +1,153 @@
+/*
+ * Copyright 2002-2005, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
+ *
+ * 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.
+ */
+
+/*
+ * This regulatory domain control implementation is highly incomplete, it
+ * only exists for the purpose of not regressing mac80211.
+ *
+ * For now, drivers can restrict the set of allowed channels by either
+ * not registering those channels or setting the IEEE80211_CHAN_DISABLED
+ * flag; that flag will only be *set* by this code, never *cleared.
+ *
+ * The usual implementation is for a driver to read a device EEPROM to
+ * determine which regulatory domain it should be operating under, then
+ * looking up the allowable channels in a driver-local table and finally
+ * registering those channels in the wiphy structure.
+ *
+ * Alternatively, drivers that trust the regulatory domain control here
+ * will register a complete set of capabilities and the control code
+ * will restrict the set by setting the IEEE80211_CHAN_* flags.
+ */
+#include <linux/kernel.h>
+#include <net/wireless.h>
+#include "core.h"
+
+static char *ieee80211_regdom = "US";
+module_param(ieee80211_regdom, charp, 0444);
+MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
+
+struct ieee80211_channel_range {
+	short start_freq;
+	short end_freq;
+	int max_power;
+	int max_antenna_gain;
+	u32 flags;
+};
+
+struct ieee80211_regdomain {
+	const char *code;
+	const struct ieee80211_channel_range *ranges;
+	int n_ranges;
+};
+
+#define RANGE_PWR(_start, _end, _pwr, _ag, _flags)	\
+	{ _start, _end, _pwr, _ag, _flags }
+
+
+/*
+ * Ideally, in the future, these definitions will be loaded from a
+ * userspace table via some daemon.
+ */
+static const struct ieee80211_channel_range ieee80211_US_channels[] = {
+	/* IEEE 802.11b/g, channels 1..11 */
+	RANGE_PWR(2412, 2462, 27, 6, 0),
+	/* IEEE 802.11a, channels 52..64 */
+	RANGE_PWR(5260, 5320, 23, 6, 0),
+	/* IEEE 802.11a, channels 149..165, outdoor */
+	RANGE_PWR(5745, 5825, 30, 6, 0),
+};
+
+static const struct ieee80211_channel_range ieee80211_JP_channels[] = {
+	/* IEEE 802.11b/g, channels 1..14 */
+	RANGE_PWR(2412, 2484, 20, 6, 0),
+	/* IEEE 802.11a, channels 34..48 */
+	RANGE_PWR(5170, 5240, 20, 6, IEEE80211_CHAN_PASSIVE_SCAN),
+	/* IEEE 802.11a, channels 52..64 */
+	RANGE_PWR(5260, 5320, 20, 6, IEEE80211_CHAN_NO_IBSS |
+				     IEEE80211_CHAN_RADAR),
+};
+
+#define REGDOM(_code)							\
+	{								\
+		.code = __stringify(_code),				\
+		.ranges = ieee80211_ ##_code## _channels,		\
+		.n_ranges = ARRAY_SIZE(ieee80211_ ##_code## _channels),	\
+	}
+
+static const struct ieee80211_regdomain ieee80211_regdoms[] = {
+	REGDOM(US),
+	REGDOM(JP),
+};
+
+
+static const struct ieee80211_regdomain *get_regdom(void)
+{
+	static const struct ieee80211_channel_range
+	ieee80211_world_channels[] = {
+		/* IEEE 802.11b/g, channels 1..11 */
+		RANGE_PWR(2412, 2462, 27, 6, 0),
+	};
+	static const struct ieee80211_regdomain regdom_world = REGDOM(world);
+	int i;
+
+	for (i = 0; i < ARRAY_SIZE(ieee80211_regdoms); i++)
+		if (strcmp(ieee80211_regdom, ieee80211_regdoms[i].code) == 0)
+			return &ieee80211_regdoms[i];
+
+	return &regdom_world;
+}
+
+
+static void handle_channel(struct ieee80211_channel *chan,
+			   const struct ieee80211_regdomain *rd)
+{
+	int i;
+	u32 flags = chan->orig_flags;
+	const struct ieee80211_channel_range *rg = NULL;
+
+	for (i = 0; i < rd->n_ranges; i++) {
+		if (rd->ranges[i].start_freq <= chan->center_freq &&
+		    chan->center_freq <= rd->ranges[i].end_freq) {
+			rg = &rd->ranges[i];
+			break;
+		}
+	}
+
+	if (!rg) {
+		/* not found */
+		flags |= IEEE80211_CHAN_DISABLED;
+		chan->flags = flags;
+		return;
+	}
+
+	chan->flags = flags;
+	chan->max_antenna_gain = min(chan->orig_mag,
+					 rg->max_antenna_gain);
+	chan->max_power = min(chan->orig_mpwr, rg->max_power);
+}
+
+static void handle_band(struct ieee80211_supported_band *sband,
+			const struct ieee80211_regdomain *rd)
+{
+	int i;
+
+	for (i = 0; i < sband->n_channels; i++)
+		handle_channel(&sband->channels[i], rd);
+}
+
+void wiphy_update_regulatory(struct wiphy *wiphy)
+{
+	enum ieee80211_band band;
+	const struct ieee80211_regdomain *rd = get_regdom();
+
+	for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+		if (wiphy->bands[band])
+			handle_band(wiphy->bands[band], rd);
+}
diff --git a/package/mac80211/src/net/wireless/sysfs.c b/package/mac80211/src/net/wireless/sysfs.c
index 2d5d2255a2..29f820e182 100644
--- a/package/mac80211/src/net/wireless/sysfs.c
+++ b/package/mac80211/src/net/wireless/sysfs.c
@@ -53,8 +53,7 @@ static void wiphy_dev_release(struct device *dev)
 }
 
 #ifdef CONFIG_HOTPLUG
-static int wiphy_uevent(struct device *dev, char **envp,
-			int num_envp, char *buf, int size)
+static int wiphy_uevent(struct device *dev, struct kobj_uevent_env *env)
 {
 	/* TODO, we probably need stuff here */
 	return 0;
diff --git a/package/mac80211/src/net/wireless/util.c b/package/mac80211/src/net/wireless/util.c
new file mode 100644
index 0000000000..77336c22fc
--- /dev/null
+++ b/package/mac80211/src/net/wireless/util.c
@@ -0,0 +1,98 @@
+/*
+ * Wireless utility functions
+ *
+ * Copyright 2007	Johannes Berg <johannes@sipsolutions.net>
+ */
+#include <net/wireless.h>
+#include <asm/bitops.h>
+#include "core.h"
+
+int ieee80211_channel_to_frequency(int chan)
+{
+	if (chan < 14)
+		return 2407 + chan * 5;
+
+	if (chan == 14)
+		return 2484;
+
+	/* FIXME: 802.11j 17.3.8.3.2 */
+	return (chan + 1000) * 5;
+}
+EXPORT_SYMBOL(ieee80211_channel_to_frequency);
+
+int ieee80211_frequency_to_channel(int freq)
+{
+	if (freq == 2484)
+		return 14;
+
+	if (freq < 2484)
+		return (freq - 2407) / 5;
+
+	/* FIXME: 802.11j 17.3.8.3.2 */
+	return freq/5 - 1000;
+}
+EXPORT_SYMBOL(ieee80211_frequency_to_channel);
+
+static void set_mandatory_flags_band(struct ieee80211_supported_band *sband,
+				     enum ieee80211_band band)
+{
+	int i, want;
+
+	switch (band) {
+	case IEEE80211_BAND_5GHZ:
+		want = 3;
+		for (i = 0; i < sband->n_bitrates; i++) {
+			if (sband->bitrates[i].bitrate == 60 ||
+			    sband->bitrates[i].bitrate == 120 ||
+			    sband->bitrates[i].bitrate == 240) {
+				sband->bitrates[i].flags |=
+					IEEE80211_RATE_MANDATORY_A;
+				want--;
+			}
+		}
+		WARN_ON(want);
+		break;
+	case IEEE80211_BAND_2GHZ:
+		want = 7;
+		for (i = 0; i < sband->n_bitrates; i++) {
+			if (sband->bitrates[i].bitrate == 10) {
+				sband->bitrates[i].flags |=
+					IEEE80211_RATE_MANDATORY_B |
+					IEEE80211_RATE_MANDATORY_G;
+				want--;
+			}
+
+			if (sband->bitrates[i].bitrate == 20 ||
+			    sband->bitrates[i].bitrate == 55 ||
+			    sband->bitrates[i].bitrate == 110 ||
+			    sband->bitrates[i].bitrate == 60 ||
+			    sband->bitrates[i].bitrate == 120 ||
+			    sband->bitrates[i].bitrate == 240) {
+				sband->bitrates[i].flags |=
+					IEEE80211_RATE_MANDATORY_G;
+				want--;
+			}
+
+			if (sband->bitrates[i].bitrate != 10 &&
+			    sband->bitrates[i].bitrate != 20 &&
+			    sband->bitrates[i].bitrate != 55 &&
+			    sband->bitrates[i].bitrate != 110)
+				sband->bitrates[i].flags |=
+					IEEE80211_RATE_ERP_G;
+		}
+		WARN_ON(want != 0 && want != 3 && want != 6);
+		break;
+	case IEEE80211_NUM_BANDS:
+		WARN_ON(1);
+		break;
+	}
+}
+
+void ieee80211_set_bitrate_flags(struct wiphy *wiphy)
+{
+	enum ieee80211_band band;
+
+	for (band = 0; band < IEEE80211_NUM_BANDS; band++)
+		if (wiphy->bands[band])
+			set_mandatory_flags_band(wiphy->bands[band], band);
+}
diff --git a/package/mac80211/src/net/wireless/wext.c b/package/mac80211/src/net/wireless/wext.c
new file mode 100644
index 0000000000..a2d496f0b3
--- /dev/null
+++ b/package/mac80211/src/net/wireless/wext.c
@@ -0,0 +1,1522 @@
+/*
+ * This file implement the Wireless Extensions APIs.
+ *
+ * Authors :	Jean Tourrilhes - HPL - <jt@hpl.hp.com>
+ * Copyright (c) 1997-2007 Jean Tourrilhes, All Rights Reserved.
+ *
+ * (As all part of the Linux kernel, this file is GPL)
+ */
+
+/************************** DOCUMENTATION **************************/
+/*
+ * API definition :
+ * --------------
+ * See <linux/wireless.h> for details of the APIs and the rest.
+ *
+ * History :
+ * -------
+ *
+ * v1 - 5.12.01 - Jean II
+ *	o Created this file.
+ *
+ * v2 - 13.12.01 - Jean II
+ *	o Move /proc/net/wireless stuff from net/core/dev.c to here
+ *	o Make Wireless Extension IOCTLs go through here
+ *	o Added iw_handler handling ;-)
+ *	o Added standard ioctl description
+ *	o Initial dumb commit strategy based on orinoco.c
+ *
+ * v3 - 19.12.01 - Jean II
+ *	o Make sure we don't go out of standard_ioctl[] in ioctl_standard_call
+ *	o Add event dispatcher function
+ *	o Add event description
+ *	o Propagate events as rtnetlink IFLA_WIRELESS option
+ *	o Generate event on selected SET requests
+ *
+ * v4 - 18.04.02 - Jean II
+ *	o Fix stupid off by one in iw_ioctl_description : IW_ESSID_MAX_SIZE + 1
+ *
+ * v5 - 21.06.02 - Jean II
+ *	o Add IW_PRIV_TYPE_ADDR in priv_type_size (+cleanup)
+ *	o Reshuffle IW_HEADER_TYPE_XXX to map IW_PRIV_TYPE_XXX changes
+ *	o Add IWEVCUSTOM for driver specific event/scanning token
+ *	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
+ *
+ * v6 - 18.06.04 - Jean II
+ *	o Change get_spydata() method for added safety
+ *	o Remove spy #ifdef, they are always on -> cleaner code
+ *	o Allow any size GET request if user specifies length > max
+ *		and if request has IW_DESCR_FLAG_NOMAX flag or is SIOCGIWPRIV
+ *	o Start migrating get_wireless_stats to struct iw_handler_def
+ *	o Add wmb() in iw_handler_set_spy() for non-coherent archs/cpus
+ * Based on patch from Pavel Roskin <proski@gnu.org> :
+ *	o Fix kernel data leak to user space in private handler handling
+ *
+ * v7 - 18.3.05 - Jean II
+ *	o Remove (struct iw_point *)->pointer from events and streams
+ *	o Remove spy_offset from struct iw_handler_def
+ *	o Start deprecating dev->get_wireless_stats, output a warning
+ *	o If IW_QUAL_DBM is set, show dBm values in /proc/net/wireless
+ *	o Don't loose INVALID/DBM flags when clearing UPDATED flags (iwstats)
+ *
+ * v8 - 17.02.06 - Jean II
+ *	o RtNetlink requests support (SET/GET)
+ *
+ * v8b - 03.08.06 - Herbert Xu
+ *	o Fix Wireless Event locking issues.
+ *
+ * v9 - 14.3.06 - Jean II
+ *	o Change length in ESSID and NICK to strlen() instead of strlen()+1
+ *	o Make standard_ioctl_num and standard_event_num unsigned
+ *	o Remove (struct net_device *)->get_wireless_stats()
+ *
+ * v10 - 16.3.07 - Jean II
+ *	o Prevent leaking of kernel space in stream on 64 bits.
+ */
+
+/***************************** INCLUDES *****************************/
+
+#include <linux/module.h>
+#include <linux/types.h>		/* off_t */
+#include <linux/netdevice.h>		/* struct ifreq, dev_get_by_name() */
+#include <linux/proc_fs.h>
+#include <linux/rtnetlink.h>		/* rtnetlink stuff */
+#include <linux/seq_file.h>
+#include <linux/init.h>			/* for __init */
+#include <linux/if_arp.h>		/* ARPHRD_ETHER */
+#include <linux/etherdevice.h>		/* compare_ether_addr */
+#include <linux/interrupt.h>
+#include <net/net_namespace.h>
+
+#include <linux/wireless.h>		/* Pretty obvious */
+#include <net/iw_handler.h>		/* New driver API */
+#include <net/netlink.h>
+#include <net/wext.h>
+
+#include <asm/uaccess.h>		/* copy_to_user() */
+
+/************************* GLOBAL VARIABLES *************************/
+/*
+ * You should not use global variables, because of re-entrancy.
+ * On our case, it's only const, so it's OK...
+ */
+/*
+ * Meta-data about all the standard Wireless Extension request we
+ * know about.
+ */
+static const struct iw_ioctl_description standard_ioctl[] = {
+	[SIOCSIWCOMMIT	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_NULL,
+	},
+	[SIOCGIWNAME	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_CHAR,
+		.flags		= IW_DESCR_FLAG_DUMP,
+	},
+	[SIOCSIWNWID	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+		.flags		= IW_DESCR_FLAG_EVENT,
+	},
+	[SIOCGIWNWID	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+		.flags		= IW_DESCR_FLAG_DUMP,
+	},
+	[SIOCSIWFREQ	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_FREQ,
+		.flags		= IW_DESCR_FLAG_EVENT,
+	},
+	[SIOCGIWFREQ	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_FREQ,
+		.flags		= IW_DESCR_FLAG_DUMP,
+	},
+	[SIOCSIWMODE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_UINT,
+		.flags		= IW_DESCR_FLAG_EVENT,
+	},
+	[SIOCGIWMODE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_UINT,
+		.flags		= IW_DESCR_FLAG_DUMP,
+	},
+	[SIOCSIWSENS	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCGIWSENS	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCSIWRANGE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_NULL,
+	},
+	[SIOCGIWRANGE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= sizeof(struct iw_range),
+		.flags		= IW_DESCR_FLAG_DUMP,
+	},
+	[SIOCSIWPRIV	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_NULL,
+	},
+	[SIOCGIWPRIV	- SIOCIWFIRST] = { /* (handled directly by us) */
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= sizeof(struct iw_priv_args),
+		.max_tokens	= 16,
+		.flags		= IW_DESCR_FLAG_NOMAX,
+	},
+	[SIOCSIWSTATS	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_NULL,
+	},
+	[SIOCGIWSTATS	- SIOCIWFIRST] = { /* (handled directly by us) */
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= sizeof(struct iw_statistics),
+		.flags		= IW_DESCR_FLAG_DUMP,
+	},
+	[SIOCSIWSPY	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= sizeof(struct sockaddr),
+		.max_tokens	= IW_MAX_SPY,
+	},
+	[SIOCGIWSPY	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= sizeof(struct sockaddr) +
+				  sizeof(struct iw_quality),
+		.max_tokens	= IW_MAX_SPY,
+	},
+	[SIOCSIWTHRSPY	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= sizeof(struct iw_thrspy),
+		.min_tokens	= 1,
+		.max_tokens	= 1,
+	},
+	[SIOCGIWTHRSPY	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= sizeof(struct iw_thrspy),
+		.min_tokens	= 1,
+		.max_tokens	= 1,
+	},
+	[SIOCSIWAP	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_ADDR,
+	},
+	[SIOCGIWAP	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_ADDR,
+		.flags		= IW_DESCR_FLAG_DUMP,
+	},
+	[SIOCSIWMLME	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.min_tokens	= sizeof(struct iw_mlme),
+		.max_tokens	= sizeof(struct iw_mlme),
+	},
+	[SIOCGIWAPLIST	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= sizeof(struct sockaddr) +
+				  sizeof(struct iw_quality),
+		.max_tokens	= IW_MAX_AP,
+		.flags		= IW_DESCR_FLAG_NOMAX,
+	},
+	[SIOCSIWSCAN	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.min_tokens	= 0,
+		.max_tokens	= sizeof(struct iw_scan_req),
+	},
+	[SIOCGIWSCAN	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_SCAN_MAX_DATA,
+		.flags		= IW_DESCR_FLAG_NOMAX,
+	},
+	[SIOCSIWESSID	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_ESSID_MAX_SIZE,
+		.flags		= IW_DESCR_FLAG_EVENT,
+	},
+	[SIOCGIWESSID	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_ESSID_MAX_SIZE,
+		.flags		= IW_DESCR_FLAG_DUMP,
+	},
+	[SIOCSIWNICKN	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_ESSID_MAX_SIZE,
+	},
+	[SIOCGIWNICKN	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_ESSID_MAX_SIZE,
+	},
+	[SIOCSIWRATE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCGIWRATE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCSIWRTS	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCGIWRTS	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCSIWFRAG	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCGIWFRAG	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCSIWTXPOW	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCGIWTXPOW	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCSIWRETRY	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCGIWRETRY	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCSIWENCODE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_ENCODING_TOKEN_MAX,
+		.flags		= IW_DESCR_FLAG_EVENT | IW_DESCR_FLAG_RESTRICT,
+	},
+	[SIOCGIWENCODE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_ENCODING_TOKEN_MAX,
+		.flags		= IW_DESCR_FLAG_DUMP | IW_DESCR_FLAG_RESTRICT,
+	},
+	[SIOCSIWPOWER	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCGIWPOWER	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCSIWGENIE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_GENERIC_IE_MAX,
+	},
+	[SIOCGIWGENIE	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_GENERIC_IE_MAX,
+	},
+	[SIOCSIWAUTH	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCGIWAUTH	- SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_PARAM,
+	},
+	[SIOCSIWENCODEEXT - SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.min_tokens	= sizeof(struct iw_encode_ext),
+		.max_tokens	= sizeof(struct iw_encode_ext) +
+				  IW_ENCODING_TOKEN_MAX,
+	},
+	[SIOCGIWENCODEEXT - SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.min_tokens	= sizeof(struct iw_encode_ext),
+		.max_tokens	= sizeof(struct iw_encode_ext) +
+				  IW_ENCODING_TOKEN_MAX,
+	},
+	[SIOCSIWPMKSA - SIOCIWFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.min_tokens	= sizeof(struct iw_pmksa),
+		.max_tokens	= sizeof(struct iw_pmksa),
+	},
+};
+static const unsigned standard_ioctl_num = ARRAY_SIZE(standard_ioctl);
+
+/*
+ * Meta-data about all the additional standard Wireless Extension events
+ * we know about.
+ */
+static const struct iw_ioctl_description standard_event[] = {
+	[IWEVTXDROP	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_ADDR,
+	},
+	[IWEVQUAL	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_QUAL,
+	},
+	[IWEVCUSTOM	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_CUSTOM_MAX,
+	},
+	[IWEVREGISTERED	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_ADDR,
+	},
+	[IWEVEXPIRED	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_ADDR,
+	},
+	[IWEVGENIE	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_GENERIC_IE_MAX,
+	},
+	[IWEVMICHAELMICFAILURE	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= sizeof(struct iw_michaelmicfailure),
+	},
+	[IWEVASSOCREQIE	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_GENERIC_IE_MAX,
+	},
+	[IWEVASSOCRESPIE	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= IW_GENERIC_IE_MAX,
+	},
+	[IWEVPMKIDCAND	- IWEVFIRST] = {
+		.header_type	= IW_HEADER_TYPE_POINT,
+		.token_size	= 1,
+		.max_tokens	= sizeof(struct iw_pmkid_cand),
+	},
+};
+static const unsigned standard_event_num = ARRAY_SIZE(standard_event);
+
+/* Size (in bytes) of the various private data types */
+static const char iw_priv_type_size[] = {
+	0,				/* IW_PRIV_TYPE_NONE */
+	1,				/* IW_PRIV_TYPE_BYTE */
+	1,				/* IW_PRIV_TYPE_CHAR */
+	0,				/* Not defined */
+	sizeof(__u32),			/* IW_PRIV_TYPE_INT */
+	sizeof(struct iw_freq),		/* IW_PRIV_TYPE_FLOAT */
+	sizeof(struct sockaddr),	/* IW_PRIV_TYPE_ADDR */
+	0,				/* Not defined */
+};
+
+/* Size (in bytes) of various events */
+static const int event_type_size[] = {
+	IW_EV_LCP_LEN,			/* IW_HEADER_TYPE_NULL */
+	0,
+	IW_EV_CHAR_LEN,			/* IW_HEADER_TYPE_CHAR */
+	0,
+	IW_EV_UINT_LEN,			/* IW_HEADER_TYPE_UINT */
+	IW_EV_FREQ_LEN,			/* IW_HEADER_TYPE_FREQ */
+	IW_EV_ADDR_LEN,			/* IW_HEADER_TYPE_ADDR */
+	0,
+	IW_EV_POINT_LEN,		/* Without variable payload */
+	IW_EV_PARAM_LEN,		/* IW_HEADER_TYPE_PARAM */
+	IW_EV_QUAL_LEN,			/* IW_HEADER_TYPE_QUAL */
+};
+
+
+/************************ COMMON SUBROUTINES ************************/
+/*
+ * Stuff that may be used in various place or doesn't fit in one
+ * of the section below.
+ */
+
+/* ---------------------------------------------------------------- */
+/*
+ * Return the driver handler associated with a specific Wireless Extension.
+ */
+static iw_handler get_handler(struct net_device *dev, unsigned int cmd)
+{
+	/* Don't "optimise" the following variable, it will crash */
+	unsigned int	index;		/* *MUST* be unsigned */
+
+	/* Check if we have some wireless handlers defined */
+	if (dev->wireless_handlers == NULL)
+		return NULL;
+
+	/* Try as a standard command */
+	index = cmd - SIOCIWFIRST;
+	if (index < dev->wireless_handlers->num_standard)
+		return dev->wireless_handlers->standard[index];
+
+	/* Try as a private command */
+	index = cmd - SIOCIWFIRSTPRIV;
+	if (index < dev->wireless_handlers->num_private)
+		return dev->wireless_handlers->private[index];
+
+	/* Not found */
+	return NULL;
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Get statistics out of the driver
+ */
+static struct iw_statistics *get_wireless_stats(struct net_device *dev)
+{
+	/* New location */
+	if ((dev->wireless_handlers != NULL) &&
+	   (dev->wireless_handlers->get_wireless_stats != NULL))
+		return dev->wireless_handlers->get_wireless_stats(dev);
+
+	/* Not found */
+	return NULL;
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Call the commit handler in the driver
+ * (if exist and if conditions are right)
+ *
+ * Note : our current commit strategy is currently pretty dumb,
+ * but we will be able to improve on that...
+ * The goal is to try to agreagate as many changes as possible
+ * before doing the commit. Drivers that will define a commit handler
+ * are usually those that need a reset after changing parameters, so
+ * we want to minimise the number of reset.
+ * A cool idea is to use a timer : at each "set" command, we re-set the
+ * timer, when the timer eventually fires, we call the driver.
+ * Hopefully, more on that later.
+ *
+ * Also, I'm waiting to see how many people will complain about the
+ * netif_running(dev) test. I'm open on that one...
+ * Hopefully, the driver will remember to do a commit in "open()" ;-)
+ */
+static int call_commit_handler(struct net_device *dev)
+{
+	if ((netif_running(dev)) &&
+	   (dev->wireless_handlers->standard[0] != NULL))
+		/* Call the commit handler on the driver */
+		return dev->wireless_handlers->standard[0](dev, NULL,
+							   NULL, NULL);
+	else
+		return 0;		/* Command completed successfully */
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Calculate size of private arguments
+ */
+static inline int get_priv_size(__u16	args)
+{
+	int	num = args & IW_PRIV_SIZE_MASK;
+	int	type = (args & IW_PRIV_TYPE_MASK) >> 12;
+
+	return num * iw_priv_type_size[type];
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Re-calculate the size of private arguments
+ */
+static inline int adjust_priv_size(__u16		args,
+				   union iwreq_data *	wrqu)
+{
+	int	num = wrqu->data.length;
+	int	max = args & IW_PRIV_SIZE_MASK;
+	int	type = (args & IW_PRIV_TYPE_MASK) >> 12;
+
+	/* Make sure the driver doesn't goof up */
+	if (max < num)
+		num = max;
+
+	return num * iw_priv_type_size[type];
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Standard Wireless Handler : get wireless stats
+ *	Allow programatic access to /proc/net/wireless even if /proc
+ *	doesn't exist... Also more efficient...
+ */
+static int iw_handler_get_iwstats(struct net_device *		dev,
+				  struct iw_request_info *	info,
+				  union iwreq_data *		wrqu,
+				  char *			extra)
+{
+	/* Get stats from the driver */
+	struct iw_statistics *stats;
+
+	stats = get_wireless_stats(dev);
+	if (stats) {
+		/* Copy statistics to extra */
+		memcpy(extra, stats, sizeof(struct iw_statistics));
+		wrqu->data.length = sizeof(struct iw_statistics);
+
+		/* Check if we need to clear the updated flag */
+		if (wrqu->data.flags != 0)
+			stats->qual.updated &= ~IW_QUAL_ALL_UPDATED;
+		return 0;
+	} else
+		return -EOPNOTSUPP;
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Standard Wireless Handler : get iwpriv definitions
+ * Export the driver private handler definition
+ * They will be picked up by tools like iwpriv...
+ */
+static int iw_handler_get_private(struct net_device *		dev,
+				  struct iw_request_info *	info,
+				  union iwreq_data *		wrqu,
+				  char *			extra)
+{
+	/* Check if the driver has something to export */
+	if ((dev->wireless_handlers->num_private_args == 0) ||
+	   (dev->wireless_handlers->private_args == NULL))
+		return -EOPNOTSUPP;
+
+	/* Check if there is enough buffer up there */
+	if (wrqu->data.length < dev->wireless_handlers->num_private_args) {
+		/* User space can't know in advance how large the buffer
+		 * needs to be. Give it a hint, so that we can support
+		 * any size buffer we want somewhat efficiently... */
+		wrqu->data.length = dev->wireless_handlers->num_private_args;
+		return -E2BIG;
+	}
+
+	/* Set the number of available ioctls. */
+	wrqu->data.length = dev->wireless_handlers->num_private_args;
+
+	/* Copy structure to the user buffer. */
+	memcpy(extra, dev->wireless_handlers->private_args,
+	       sizeof(struct iw_priv_args) * wrqu->data.length);
+
+	return 0;
+}
+
+
+/******************** /proc/net/wireless SUPPORT ********************/
+/*
+ * The /proc/net/wireless file is a human readable user-space interface
+ * exporting various wireless specific statistics from the wireless devices.
+ * This is the most popular part of the Wireless Extensions ;-)
+ *
+ * This interface is a pure clone of /proc/net/dev (in net/core/dev.c).
+ * The content of the file is basically the content of "struct iw_statistics".
+ */
+
+#ifdef CONFIG_PROC_FS
+
+/* ---------------------------------------------------------------- */
+/*
+ * Print one entry (line) of /proc/net/wireless
+ */
+static void wireless_seq_printf_stats(struct seq_file *seq,
+				      struct net_device *dev)
+{
+	/* Get stats from the driver */
+	struct iw_statistics *stats = get_wireless_stats(dev);
+
+	if (stats) {
+		seq_printf(seq, "%6s: %04x  %3d%c  %3d%c  %3d%c  %6d %6d %6d "
+				"%6d %6d   %6d\n",
+			   dev->name, stats->status, stats->qual.qual,
+			   stats->qual.updated & IW_QUAL_QUAL_UPDATED
+			   ? '.' : ' ',
+			   ((__s32) stats->qual.level) -
+			   ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0),
+			   stats->qual.updated & IW_QUAL_LEVEL_UPDATED
+			   ? '.' : ' ',
+			   ((__s32) stats->qual.noise) -
+			   ((stats->qual.updated & IW_QUAL_DBM) ? 0x100 : 0),
+			   stats->qual.updated & IW_QUAL_NOISE_UPDATED
+			   ? '.' : ' ',
+			   stats->discard.nwid, stats->discard.code,
+			   stats->discard.fragment, stats->discard.retries,
+			   stats->discard.misc, stats->miss.beacon);
+		stats->qual.updated &= ~IW_QUAL_ALL_UPDATED;
+	}
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Print info for /proc/net/wireless (print all entries)
+ */
+static int wireless_seq_show(struct seq_file *seq, void *v)
+{
+	if (v == SEQ_START_TOKEN)
+		seq_printf(seq, "Inter-| sta-|   Quality        |   Discarded "
+				"packets               | Missed | WE\n"
+				" face | tus | link level noise |  nwid  "
+				"crypt   frag  retry   misc | beacon | %d\n",
+			   WIRELESS_EXT);
+	else
+		wireless_seq_printf_stats(seq, v);
+	return 0;
+}
+
+static const struct seq_operations wireless_seq_ops = {
+	.start = dev_seq_start,
+	.next  = dev_seq_next,
+	.stop  = dev_seq_stop,
+	.show  = wireless_seq_show,
+};
+
+static int wireless_seq_open(struct inode *inode, struct file *file)
+{
+	struct seq_file *seq;
+	int res;
+	res = seq_open(file, &wireless_seq_ops);
+	if (!res) {
+		seq = file->private_data;
+		seq->private = get_proc_net(inode);
+		if (!seq->private) {
+			seq_release(inode, file);
+			res = -ENXIO;
+		}
+	}
+	return res;
+}
+
+static int wireless_seq_release(struct inode *inode, struct file *file)
+{
+	struct seq_file *seq = file->private_data;
+	struct net *net = seq->private;
+	put_net(net);
+	return seq_release(inode, file);
+}
+
+static const struct file_operations wireless_seq_fops = {
+	.owner	 = THIS_MODULE,
+	.open    = wireless_seq_open,
+	.read    = seq_read,
+	.llseek  = seq_lseek,
+	.release = wireless_seq_release,
+};
+
+int wext_proc_init(struct net *net)
+{
+	/* Create /proc/net/wireless entry */
+	if (!proc_net_fops_create(net, "wireless", S_IRUGO, &wireless_seq_fops))
+		return -ENOMEM;
+
+	return 0;
+}
+
+void wext_proc_exit(struct net *net)
+{
+	proc_net_remove(net, "wireless");
+}
+#endif	/* CONFIG_PROC_FS */
+
+/************************** IOCTL SUPPORT **************************/
+/*
+ * The original user space API to configure all those Wireless Extensions
+ * is through IOCTLs.
+ * In there, we check if we need to call the new driver API (iw_handler)
+ * or just call the driver ioctl handler.
+ */
+
+/* ---------------------------------------------------------------- */
+/*
+ * Wrapper to call a standard Wireless Extension handler.
+ * We do various checks and also take care of moving data between
+ * user space and kernel space.
+ */
+static int ioctl_standard_call(struct net_device *	dev,
+			       struct ifreq *		ifr,
+			       unsigned int		cmd,
+			       iw_handler		handler)
+{
+	struct iwreq *				iwr = (struct iwreq *) ifr;
+	const struct iw_ioctl_description *	descr;
+	struct iw_request_info			info;
+	int					ret = -EINVAL;
+
+	/* Get the description of the IOCTL */
+	if ((cmd - SIOCIWFIRST) >= standard_ioctl_num)
+		return -EOPNOTSUPP;
+	descr = &(standard_ioctl[cmd - SIOCIWFIRST]);
+
+	/* Prepare the call */
+	info.cmd = cmd;
+	info.flags = 0;
+
+	/* Check if we have a pointer to user space data or not */
+	if (descr->header_type != IW_HEADER_TYPE_POINT) {
+
+		/* No extra arguments. Trivial to handle */
+		ret = handler(dev, &info, &(iwr->u), NULL);
+
+		/* Generate an event to notify listeners of the change */
+		if ((descr->flags & IW_DESCR_FLAG_EVENT) &&
+		   ((ret == 0) || (ret == -EIWCOMMIT)))
+			wireless_send_event(dev, cmd, &(iwr->u), NULL);
+	} else {
+		char *	extra;
+		int	extra_size;
+		int	user_length = 0;
+		int	err;
+		int	essid_compat = 0;
+
+		/* Calculate space needed by arguments. Always allocate
+		 * for max space. Easier, and won't last long... */
+		extra_size = descr->max_tokens * descr->token_size;
+
+		/* Check need for ESSID compatibility for WE < 21 */
+		switch (cmd) {
+		case SIOCSIWESSID:
+		case SIOCGIWESSID:
+		case SIOCSIWNICKN:
+		case SIOCGIWNICKN:
+			if (iwr->u.data.length == descr->max_tokens + 1)
+				essid_compat = 1;
+			else if (IW_IS_SET(cmd) && (iwr->u.data.length != 0)) {
+				char essid[IW_ESSID_MAX_SIZE + 1];
+
+				err = copy_from_user(essid, iwr->u.data.pointer,
+						     iwr->u.data.length *
+						     descr->token_size);
+				if (err)
+					return -EFAULT;
+
+				if (essid[iwr->u.data.length - 1] == '\0')
+					essid_compat = 1;
+			}
+			break;
+		default:
+			break;
+		}
+
+		iwr->u.data.length -= essid_compat;
+
+		/* Check what user space is giving us */
+		if (IW_IS_SET(cmd)) {
+			/* Check NULL pointer */
+			if ((iwr->u.data.pointer == NULL) &&
+			   (iwr->u.data.length != 0))
+				return -EFAULT;
+			/* Check if number of token fits within bounds */
+			if (iwr->u.data.length > descr->max_tokens)
+				return -E2BIG;
+			if (iwr->u.data.length < descr->min_tokens)
+				return -EINVAL;
+		} else {
+			/* Check NULL pointer */
+			if (iwr->u.data.pointer == NULL)
+				return -EFAULT;
+			/* Save user space buffer size for checking */
+			user_length = iwr->u.data.length;
+
+			/* Don't check if user_length > max to allow forward
+			 * compatibility. The test user_length < min is
+			 * implied by the test at the end. */
+
+			/* Support for very large requests */
+			if ((descr->flags & IW_DESCR_FLAG_NOMAX) &&
+			   (user_length > descr->max_tokens)) {
+				/* Allow userspace to GET more than max so
+				 * we can support any size GET requests.
+				 * There is still a limit : -ENOMEM. */
+				extra_size = user_length * descr->token_size;
+				/* Note : user_length is originally a __u16,
+				 * and token_size is controlled by us,
+				 * so extra_size won't get negative and
+				 * won't overflow... */
+			}
+		}
+
+		/* Create the kernel buffer */
+		/*    kzalloc ensures NULL-termination for essid_compat */
+		extra = kzalloc(extra_size, GFP_KERNEL);
+		if (extra == NULL)
+			return -ENOMEM;
+
+		/* If it is a SET, get all the extra data in here */
+		if (IW_IS_SET(cmd) && (iwr->u.data.length != 0)) {
+			err = copy_from_user(extra, iwr->u.data.pointer,
+					     iwr->u.data.length *
+					     descr->token_size);
+			if (err) {
+				kfree(extra);
+				return -EFAULT;
+			}
+		}
+
+		/* Call the handler */
+		ret = handler(dev, &info, &(iwr->u), extra);
+
+		iwr->u.data.length += essid_compat;
+
+		/* If we have something to return to the user */
+		if (!ret && IW_IS_GET(cmd)) {
+			/* Check if there is enough buffer up there */
+			if (user_length < iwr->u.data.length) {
+				kfree(extra);
+				return -E2BIG;
+			}
+
+			err = copy_to_user(iwr->u.data.pointer, extra,
+					   iwr->u.data.length *
+					   descr->token_size);
+			if (err)
+				ret =  -EFAULT;
+		}
+
+		/* Generate an event to notify listeners of the change */
+		if ((descr->flags & IW_DESCR_FLAG_EVENT) &&
+		   ((ret == 0) || (ret == -EIWCOMMIT))) {
+			if (descr->flags & IW_DESCR_FLAG_RESTRICT)
+				/* If the event is restricted, don't
+				 * export the payload */
+				wireless_send_event(dev, cmd, &(iwr->u), NULL);
+			else
+				wireless_send_event(dev, cmd, &(iwr->u),
+						    extra);
+		}
+
+		/* Cleanup - I told you it wasn't that long ;-) */
+		kfree(extra);
+	}
+
+	/* Call commit handler if needed and defined */
+	if (ret == -EIWCOMMIT)
+		ret = call_commit_handler(dev);
+
+	/* Here, we will generate the appropriate event if needed */
+
+	return ret;
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Wrapper to call a private Wireless Extension handler.
+ * We do various checks and also take care of moving data between
+ * user space and kernel space.
+ * It's not as nice and slimline as the standard wrapper. The cause
+ * is struct iw_priv_args, which was not really designed for the
+ * job we are going here.
+ *
+ * IMPORTANT : This function prevent to set and get data on the same
+ * IOCTL and enforce the SET/GET convention. Not doing it would be
+ * far too hairy...
+ * If you need to set and get data at the same time, please don't use
+ * a iw_handler but process it in your ioctl handler (i.e. use the
+ * old driver API).
+ */
+static int ioctl_private_call(struct net_device *dev, struct ifreq *ifr,
+			      unsigned int cmd, iw_handler handler)
+{
+	struct iwreq *			iwr = (struct iwreq *) ifr;
+	const struct iw_priv_args *	descr = NULL;
+	struct iw_request_info		info;
+	int				extra_size = 0;
+	int				i;
+	int				ret = -EINVAL;
+
+	/* Get the description of the IOCTL */
+	for (i = 0; i < dev->wireless_handlers->num_private_args; i++)
+		if (cmd == dev->wireless_handlers->private_args[i].cmd) {
+			descr = &(dev->wireless_handlers->private_args[i]);
+			break;
+		}
+
+	/* Compute the size of the set/get arguments */
+	if (descr != NULL) {
+		if (IW_IS_SET(cmd)) {
+			int	offset = 0;	/* For sub-ioctls */
+			/* Check for sub-ioctl handler */
+			if (descr->name[0] == '\0')
+				/* Reserve one int for sub-ioctl index */
+				offset = sizeof(__u32);
+
+			/* Size of set arguments */
+			extra_size = get_priv_size(descr->set_args);
+
+			/* Does it fits in iwr ? */
+			if ((descr->set_args & IW_PRIV_SIZE_FIXED) &&
+			   ((extra_size + offset) <= IFNAMSIZ))
+				extra_size = 0;
+		} else {
+			/* Size of get arguments */
+			extra_size = get_priv_size(descr->get_args);
+
+			/* Does it fits in iwr ? */
+			if ((descr->get_args & IW_PRIV_SIZE_FIXED) &&
+			   (extra_size <= IFNAMSIZ))
+				extra_size = 0;
+		}
+	}
+
+	/* Prepare the call */
+	info.cmd = cmd;
+	info.flags = 0;
+
+	/* Check if we have a pointer to user space data or not. */
+	if (extra_size == 0) {
+		/* No extra arguments. Trivial to handle */
+		ret = handler(dev, &info, &(iwr->u), (char *) &(iwr->u));
+	} else {
+		char *	extra;
+		int	err;
+
+		/* Check what user space is giving us */
+		if (IW_IS_SET(cmd)) {
+			/* Check NULL pointer */
+			if ((iwr->u.data.pointer == NULL) &&
+			   (iwr->u.data.length != 0))
+				return -EFAULT;
+
+			/* Does it fits within bounds ? */
+			if (iwr->u.data.length > (descr->set_args &
+						 IW_PRIV_SIZE_MASK))
+				return -E2BIG;
+		} else if (iwr->u.data.pointer == NULL)
+			return -EFAULT;
+
+		/* Always allocate for max space. Easier, and won't last
+		 * long... */
+		extra = kmalloc(extra_size, GFP_KERNEL);
+		if (extra == NULL)
+			return -ENOMEM;
+
+		/* If it is a SET, get all the extra data in here */
+		if (IW_IS_SET(cmd) && (iwr->u.data.length != 0)) {
+			err = copy_from_user(extra, iwr->u.data.pointer,
+					     extra_size);
+			if (err) {
+				kfree(extra);
+				return -EFAULT;
+			}
+		}
+
+		/* Call the handler */
+		ret = handler(dev, &info, &(iwr->u), extra);
+
+		/* If we have something to return to the user */
+		if (!ret && IW_IS_GET(cmd)) {
+
+			/* Adjust for the actual length if it's variable,
+			 * avoid leaking kernel bits outside. */
+			if (!(descr->get_args & IW_PRIV_SIZE_FIXED)) {
+				extra_size = adjust_priv_size(descr->get_args,
+							      &(iwr->u));
+			}
+
+			err = copy_to_user(iwr->u.data.pointer, extra,
+					   extra_size);
+			if (err)
+				ret =  -EFAULT;
+		}
+
+		/* Cleanup - I told you it wasn't that long ;-) */
+		kfree(extra);
+	}
+
+
+	/* Call commit handler if needed and defined */
+	if (ret == -EIWCOMMIT)
+		ret = call_commit_handler(dev);
+
+	return ret;
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Main IOCTl dispatcher.
+ * Check the type of IOCTL and call the appropriate wrapper...
+ */
+static int wireless_process_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd)
+{
+	struct net_device *dev;
+	iw_handler	handler;
+
+	/* Permissions are already checked in dev_ioctl() before calling us.
+	 * The copy_to/from_user() of ifr is also dealt with in there */
+
+	/* Make sure the device exist */
+	if ((dev = __dev_get_by_name(net, ifr->ifr_name)) == NULL)
+		return -ENODEV;
+
+	/* A bunch of special cases, then the generic case...
+	 * Note that 'cmd' is already filtered in dev_ioctl() with
+	 * (cmd >= SIOCIWFIRST && cmd <= SIOCIWLAST) */
+	if (cmd == SIOCGIWSTATS)
+		return ioctl_standard_call(dev, ifr, cmd,
+					   &iw_handler_get_iwstats);
+
+	if (cmd == SIOCGIWPRIV && dev->wireless_handlers)
+		return ioctl_standard_call(dev, ifr, cmd,
+					   &iw_handler_get_private);
+
+	/* Basic check */
+	if (!netif_device_present(dev))
+		return -ENODEV;
+
+	/* New driver API : try to find the handler */
+	handler = get_handler(dev, cmd);
+	if (handler) {
+		/* Standard and private are not the same */
+		if (cmd < SIOCIWFIRSTPRIV)
+			return ioctl_standard_call(dev, ifr, cmd, handler);
+		else
+			return ioctl_private_call(dev, ifr, cmd, handler);
+	}
+	/* Old driver API : call driver ioctl handler */
+	if (dev->do_ioctl)
+		return dev->do_ioctl(dev, ifr, cmd);
+	return -EOPNOTSUPP;
+}
+
+/* entry point from dev ioctl */
+int wext_handle_ioctl(struct net *net, struct ifreq *ifr, unsigned int cmd,
+		      void __user *arg)
+{
+	int ret;
+
+	/* If command is `set a parameter', or
+	 * `get the encoding parameters', check if
+	 * the user has the right to do it */
+	if ((IW_IS_SET(cmd) || cmd == SIOCGIWENCODE || cmd == SIOCGIWENCODEEXT)
+	    && !capable(CAP_NET_ADMIN))
+		return -EPERM;
+
+	dev_load(net, ifr->ifr_name);
+	rtnl_lock();
+	ret = wireless_process_ioctl(net, ifr, cmd);
+	rtnl_unlock();
+	if (IW_IS_GET(cmd) && copy_to_user(arg, ifr, sizeof(struct iwreq)))
+		return -EFAULT;
+	return ret;
+}
+
+/************************* EVENT PROCESSING *************************/
+/*
+ * Process events generated by the wireless layer or the driver.
+ * Most often, the event will be propagated through rtnetlink
+ */
+
+/* ---------------------------------------------------------------- */
+/*
+ * Locking...
+ * ----------
+ *
+ * Thanks to Herbert Xu <herbert@gondor.apana.org.au> for fixing
+ * the locking issue in here and implementing this code !
+ *
+ * The issue : wireless_send_event() is often called in interrupt context,
+ * while the Netlink layer can never be called in interrupt context.
+ * The fully formed RtNetlink events are queued, and then a tasklet is run
+ * to feed those to Netlink.
+ * The skb_queue is interrupt safe, and its lock is not held while calling
+ * Netlink, so there is no possibility of dealock.
+ * Jean II
+ */
+
+static struct sk_buff_head wireless_nlevent_queue;
+
+static int __init wireless_nlevent_init(void)
+{
+	skb_queue_head_init(&wireless_nlevent_queue);
+	return 0;
+}
+
+subsys_initcall(wireless_nlevent_init);
+
+static void wireless_nlevent_process(unsigned long data)
+{
+	struct sk_buff *skb;
+
+	while ((skb = skb_dequeue(&wireless_nlevent_queue)))
+		rtnl_notify(skb, 0, RTNLGRP_LINK, NULL, GFP_ATOMIC);
+}
+
+static DECLARE_TASKLET(wireless_nlevent_tasklet, wireless_nlevent_process, 0);
+
+/* ---------------------------------------------------------------- */
+/*
+ * Fill a rtnetlink message with our event data.
+ * Note that we propage only the specified event and don't dump the
+ * current wireless config. Dumping the wireless config is far too
+ * expensive (for each parameter, the driver need to query the hardware).
+ */
+static int rtnetlink_fill_iwinfo(struct sk_buff *skb, struct net_device *dev,
+				 int type, char *event, int event_len)
+{
+	struct ifinfomsg *r;
+	struct nlmsghdr  *nlh;
+
+	nlh = nlmsg_put(skb, 0, 0, type, sizeof(*r), 0);
+	if (nlh == NULL)
+		return -EMSGSIZE;
+
+	r = nlmsg_data(nlh);
+	r->ifi_family = AF_UNSPEC;
+	r->__ifi_pad = 0;
+	r->ifi_type = dev->type;
+	r->ifi_index = dev->ifindex;
+	r->ifi_flags = dev_get_flags(dev);
+	r->ifi_change = 0;	/* Wireless changes don't affect those flags */
+
+	/* Add the wireless events in the netlink packet */
+	NLA_PUT(skb, IFLA_WIRELESS, event_len, event);
+
+	return nlmsg_end(skb, nlh);
+
+nla_put_failure:
+	nlmsg_cancel(skb, nlh);
+	return -EMSGSIZE;
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Create and broadcast and send it on the standard rtnetlink socket
+ * This is a pure clone rtmsg_ifinfo() in net/core/rtnetlink.c
+ * Andrzej Krzysztofowicz mandated that I used a IFLA_XXX field
+ * within a RTM_NEWLINK event.
+ */
+static void rtmsg_iwinfo(struct net_device *dev, char *event, int event_len)
+{
+	struct sk_buff *skb;
+	int err;
+
+	skb = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC);
+	if (!skb)
+		return;
+
+	err = rtnetlink_fill_iwinfo(skb, dev, RTM_NEWLINK, event, event_len);
+	if (err < 0) {
+		WARN_ON(err == -EMSGSIZE);
+		kfree_skb(skb);
+		return;
+	}
+
+	NETLINK_CB(skb).dst_group = RTNLGRP_LINK;
+	skb_queue_tail(&wireless_nlevent_queue, skb);
+	tasklet_schedule(&wireless_nlevent_tasklet);
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * Main event dispatcher. Called from other parts and drivers.
+ * Send the event on the appropriate channels.
+ * May be called from interrupt context.
+ */
+void wireless_send_event(struct net_device *	dev,
+			 unsigned int		cmd,
+			 union iwreq_data *	wrqu,
+			 char *			extra)
+{
+	const struct iw_ioctl_description *	descr = NULL;
+	int extra_len = 0;
+	struct iw_event  *event;		/* Mallocated whole event */
+	int event_len;				/* Its size */
+	int hdr_len;				/* Size of the event header */
+	int wrqu_off = 0;			/* Offset in wrqu */
+	/* Don't "optimise" the following variable, it will crash */
+	unsigned	cmd_index;		/* *MUST* be unsigned */
+
+	/* Get the description of the Event */
+	if (cmd <= SIOCIWLAST) {
+		cmd_index = cmd - SIOCIWFIRST;
+		if (cmd_index < standard_ioctl_num)
+			descr = &(standard_ioctl[cmd_index]);
+	} else {
+		cmd_index = cmd - IWEVFIRST;
+		if (cmd_index < standard_event_num)
+			descr = &(standard_event[cmd_index]);
+	}
+	/* Don't accept unknown events */
+	if (descr == NULL) {
+		/* Note : we don't return an error to the driver, because
+		 * the driver would not know what to do about it. It can't
+		 * return an error to the user, because the event is not
+		 * initiated by a user request.
+		 * The best the driver could do is to log an error message.
+		 * We will do it ourselves instead...
+		 */
+		printk(KERN_ERR "%s (WE) : Invalid/Unknown Wireless Event (0x%04X)\n",
+		       dev->name, cmd);
+		return;
+	}
+
+	/* Check extra parameters and set extra_len */
+	if (descr->header_type == IW_HEADER_TYPE_POINT) {
+		/* Check if number of token fits within bounds */
+		if (wrqu->data.length > descr->max_tokens) {
+			printk(KERN_ERR "%s (WE) : Wireless Event too big (%d)\n", dev->name, wrqu->data.length);
+			return;
+		}
+		if (wrqu->data.length < descr->min_tokens) {
+			printk(KERN_ERR "%s (WE) : Wireless Event too small (%d)\n", dev->name, wrqu->data.length);
+			return;
+		}
+		/* Calculate extra_len - extra is NULL for restricted events */
+		if (extra != NULL)
+			extra_len = wrqu->data.length * descr->token_size;
+		/* Always at an offset in wrqu */
+		wrqu_off = IW_EV_POINT_OFF;
+	}
+
+	/* Total length of the event */
+	hdr_len = event_type_size[descr->header_type];
+	event_len = hdr_len + extra_len;
+
+	/* Create temporary buffer to hold the event */
+	event = kmalloc(event_len, GFP_ATOMIC);
+	if (event == NULL)
+		return;
+
+	/* Fill event */
+	event->len = event_len;
+	event->cmd = cmd;
+	memcpy(&event->u, ((char *) wrqu) + wrqu_off, hdr_len - IW_EV_LCP_LEN);
+	if (extra)
+		memcpy(((char *) event) + hdr_len, extra, extra_len);
+
+	/* Send via the RtNetlink event channel */
+	rtmsg_iwinfo(dev, (char *) event, event_len);
+
+	/* Cleanup */
+	kfree(event);
+
+	return;		/* Always success, I guess ;-) */
+}
+EXPORT_SYMBOL(wireless_send_event);
+
+/********************** 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 wireless_spy_update() and include struct iw_spy_data
+ * in its private part (and export it in net_device->wireless_data->spy_data).
+ * 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.
+ */
+
+/* ---------------------------------------------------------------- */
+/*
+ * Return the pointer to the spy data in the driver.
+ * Because this is called on the Rx path via wireless_spy_update(),
+ * we want it to be efficient...
+ */
+static inline struct iw_spy_data *get_spydata(struct net_device *dev)
+{
+	/* This is the new way */
+	if (dev->wireless_data)
+		return dev->wireless_data->spy_data;
+	return NULL;
+}
+
+/*------------------------------------------------------------------*/
+/*
+ * 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)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	struct sockaddr *	address = (struct sockaddr *) extra;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return -EOPNOTSUPP;
+
+	/* Disable spy collection while we copy the addresses.
+	 * While we copy addresses, any call to wireless_spy_update()
+	 * will NOP. This is OK, as anyway the addresses are changing. */
+	spydata->spy_number = 0;
+
+	/* We want to operate without locking, because wireless_spy_update()
+	 * most likely will happen in the interrupt handler, and therefore
+	 * have its own locking constraints and needs performance.
+	 * The rtnl_lock() make sure we don't race with the other iw_handlers.
+	 * This make sure wireless_spy_update() "see" that the spy list
+	 * is temporarily disabled. */
+	smp_wmb();
+
+	/* 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);
+	}
+
+	/* Make sure above is updated before re-enabling */
+	smp_wmb();
+
+	/* Enable addresses */
+	spydata->spy_number = wrqu->data.length;
+
+	return 0;
+}
+EXPORT_SYMBOL(iw_handler_set_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)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	struct sockaddr *	address = (struct sockaddr *) extra;
+	int			i;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return -EOPNOTSUPP;
+
+	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 &= ~IW_QUAL_ALL_UPDATED;
+	return 0;
+}
+EXPORT_SYMBOL(iw_handler_get_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)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return -EOPNOTSUPP;
+
+	/* 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));
+
+	return 0;
+}
+EXPORT_SYMBOL(iw_handler_set_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)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	struct iw_thrspy *	threshold = (struct iw_thrspy *) extra;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return -EOPNOTSUPP;
+
+	/* Just do it */
+	memcpy(&(threshold->low), &(spydata->spy_thr_low),
+	       2 * sizeof(struct iw_quality));
+
+	return 0;
+}
+EXPORT_SYMBOL(iw_handler_get_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));
+
+	/* Send event to user space */
+	wireless_send_event(dev, SIOCGIWTHRSPY, &wrqu, (char *) &threshold);
+}
+
+/* ---------------------------------------------------------------- */
+/*
+ * 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)
+{
+	struct iw_spy_data *	spydata = get_spydata(dev);
+	int			i;
+	int			match = -1;
+
+	/* Make sure driver is not buggy or using the old API */
+	if (!spydata)
+		return;
+
+	/* Update all records that match */
+	for (i = 0; i < spydata->spy_number; i++)
+		if (!compare_ether_addr(address, spydata->spy_address[i])) {
+			memcpy(&(spydata->spy_stat[i]), wstats,
+			       sizeof(struct iw_quality));
+			match = i;
+		}
+
+	/* 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);
+			}
+		}
+	}
+}
+EXPORT_SYMBOL(wireless_spy_update);