mac80211: rename files

This patch renames all mac80211 files (except ieee80211_i.h) to get rid
of the useless ieee80211_ prefix.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

1 files changed, 0 insertions, 4249 deletions

diff --git a/net/mac80211/ieee80211_sta.c b/net/mac80211/ieee80211_sta.c
deleted file mode 100644
index 3584a2bf018..00000000000
--- a/net/mac80211/ieee80211_sta.c
+++ /dev/null
@@ -1,4249 +0,0 @@
-/*
- * BSS client mode implementation
- * Copyright 2003, Jouni Malinen <jkmaline@cc.hut.fi>
- * Copyright 2004, Instant802 Networks, Inc.
- * Copyright 2005, Devicescape Software, Inc.
- * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
- * Copyright 2007, Michael Wu <flamingice@sourmilk.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.
- */
-
-/* TODO:
- * order BSS list by RSSI(?) ("quality of AP")
- * scan result table filtering (by capability (privacy, IBSS/BSS, WPA/RSN IE,
- *    SSID)
- */
-#include <linux/delay.h>
-#include <linux/if_ether.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/if_arp.h>
-#include <linux/wireless.h>
-#include <linux/random.h>
-#include <linux/etherdevice.h>
-#include <linux/rtnetlink.h>
-#include <net/iw_handler.h>
-#include <asm/types.h>
-
-#include <net/mac80211.h>
-#include "ieee80211_i.h"
-#include "ieee80211_rate.h"
-#include "ieee80211_led.h"
-#include "mesh.h"
-
-#define IEEE80211_AUTH_TIMEOUT (HZ / 5)
-#define IEEE80211_AUTH_MAX_TRIES 3
-#define IEEE80211_ASSOC_TIMEOUT (HZ / 5)
-#define IEEE80211_ASSOC_MAX_TRIES 3
-#define IEEE80211_MONITORING_INTERVAL (2 * HZ)
-#define IEEE80211_MESH_HOUSEKEEPING_INTERVAL (60 * HZ)
-#define IEEE80211_PROBE_INTERVAL (60 * HZ)
-#define IEEE80211_RETRY_AUTH_INTERVAL (1 * HZ)
-#define IEEE80211_SCAN_INTERVAL (2 * HZ)
-#define IEEE80211_SCAN_INTERVAL_SLOW (15 * HZ)
-#define IEEE80211_IBSS_JOIN_TIMEOUT (20 * HZ)
-
-#define IEEE80211_PROBE_DELAY (HZ / 33)
-#define IEEE80211_CHANNEL_TIME (HZ / 33)
-#define IEEE80211_PASSIVE_CHANNEL_TIME (HZ / 5)
-#define IEEE80211_SCAN_RESULT_EXPIRE (10 * HZ)
-#define IEEE80211_IBSS_MERGE_INTERVAL (30 * HZ)
-#define IEEE80211_IBSS_INACTIVITY_LIMIT (60 * HZ)
-#define IEEE80211_MESH_PEER_INACTIVITY_LIMIT (1800 * HZ)
-
-#define IEEE80211_IBSS_MAX_STA_ENTRIES 128
-
-
-#define ERP_INFO_USE_PROTECTION BIT(1)
-
-/* mgmt header + 1 byte action code */
-#define IEEE80211_MIN_ACTION_SIZE (24 + 1)
-
-#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
-#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
-#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
-#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
-#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
-
-/* next values represent the buffer size for A-MPDU frame.
- * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2) */
-#define IEEE80211_MIN_AMPDU_BUF 0x8
-#define IEEE80211_MAX_AMPDU_BUF 0x40
-
-static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst,
-				     u8 *ssid, size_t ssid_len);
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq,
-		     u8 *ssid, u8 ssid_len);
-static void ieee80211_rx_bss_put(struct net_device *dev,
-				 struct ieee80211_sta_bss *bss);
-static int ieee80211_sta_find_ibss(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta);
-static int ieee80211_sta_wep_configured(struct net_device *dev);
-static int ieee80211_sta_start_scan(struct net_device *dev,
-				    u8 *ssid, size_t ssid_len);
-static int ieee80211_sta_config_auth(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta);
-
-
-void ieee802_11_parse_elems(u8 *start, size_t len,
-			    struct ieee802_11_elems *elems)
-{
-	size_t left = len;
-	u8 *pos = start;
-
-	memset(elems, 0, sizeof(*elems));
-
-	while (left >= 2) {
-		u8 id, elen;
-
-		id = *pos++;
-		elen = *pos++;
-		left -= 2;
-
-		if (elen > left)
-			return;
-
-		switch (id) {
-		case WLAN_EID_SSID:
-			elems->ssid = pos;
-			elems->ssid_len = elen;
-			break;
-		case WLAN_EID_SUPP_RATES:
-			elems->supp_rates = pos;
-			elems->supp_rates_len = elen;
-			break;
-		case WLAN_EID_FH_PARAMS:
-			elems->fh_params = pos;
-			elems->fh_params_len = elen;
-			break;
-		case WLAN_EID_DS_PARAMS:
-			elems->ds_params = pos;
-			elems->ds_params_len = elen;
-			break;
-		case WLAN_EID_CF_PARAMS:
-			elems->cf_params = pos;
-			elems->cf_params_len = elen;
-			break;
-		case WLAN_EID_TIM:
-			elems->tim = pos;
-			elems->tim_len = elen;
-			break;
-		case WLAN_EID_IBSS_PARAMS:
-			elems->ibss_params = pos;
-			elems->ibss_params_len = elen;
-			break;
-		case WLAN_EID_CHALLENGE:
-			elems->challenge = pos;
-			elems->challenge_len = elen;
-			break;
-		case WLAN_EID_WPA:
-			if (elen >= 4 && pos[0] == 0x00 && pos[1] == 0x50 &&
-			    pos[2] == 0xf2) {
-				/* Microsoft OUI (00:50:F2) */
-				if (pos[3] == 1) {
-					/* OUI Type 1 - WPA IE */
-					elems->wpa = pos;
-					elems->wpa_len = elen;
-				} else if (elen >= 5 && pos[3] == 2) {
-					if (pos[4] == 0) {
-						elems->wmm_info = pos;
-						elems->wmm_info_len = elen;
-					} else if (pos[4] == 1) {
-						elems->wmm_param = pos;
-						elems->wmm_param_len = elen;
-					}
-				}
-			}
-			break;
-		case WLAN_EID_RSN:
-			elems->rsn = pos;
-			elems->rsn_len = elen;
-			break;
-		case WLAN_EID_ERP_INFO:
-			elems->erp_info = pos;
-			elems->erp_info_len = elen;
-			break;
-		case WLAN_EID_EXT_SUPP_RATES:
-			elems->ext_supp_rates = pos;
-			elems->ext_supp_rates_len = elen;
-			break;
-		case WLAN_EID_HT_CAPABILITY:
-			elems->ht_cap_elem = pos;
-			elems->ht_cap_elem_len = elen;
-			break;
-		case WLAN_EID_HT_EXTRA_INFO:
-			elems->ht_info_elem = pos;
-			elems->ht_info_elem_len = elen;
-			break;
-		case WLAN_EID_MESH_ID:
-			elems->mesh_id = pos;
-			elems->mesh_id_len = elen;
-			break;
-		case WLAN_EID_MESH_CONFIG:
-			elems->mesh_config = pos;
-			elems->mesh_config_len = elen;
-			break;
-		case WLAN_EID_PEER_LINK:
-			elems->peer_link = pos;
-			elems->peer_link_len = elen;
-			break;
-		case WLAN_EID_PREQ:
-			elems->preq = pos;
-			elems->preq_len = elen;
-			break;
-		case WLAN_EID_PREP:
-			elems->prep = pos;
-			elems->prep_len = elen;
-			break;
-		case WLAN_EID_PERR:
-			elems->perr = pos;
-			elems->perr_len = elen;
-			break;
-		default:
-			break;
-		}
-
-		left -= elen;
-		pos += elen;
-	}
-}
-
-
-static int ecw2cw(int ecw)
-{
-	return (1 << ecw) - 1;
-}
-
-
-static void ieee80211_sta_def_wmm_params(struct net_device *dev,
-					 struct ieee80211_sta_bss *bss,
-					 int ibss)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_local *local = sdata->local;
-	int i, have_higher_than_11mbit = 0;
-
-
-	/* cf. IEEE 802.11 9.2.12 */
-	for (i = 0; i < bss->supp_rates_len; i++)
-		if ((bss->supp_rates[i] & 0x7f) * 5 > 110)
-			have_higher_than_11mbit = 1;
-
-	if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
-	    have_higher_than_11mbit)
-		sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
-	else
-		sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
-
-
-	if (local->ops->conf_tx) {
-		struct ieee80211_tx_queue_params qparam;
-
-		memset(&qparam, 0, sizeof(qparam));
-
-		qparam.aifs = 2;
-
-		if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
-		    !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE))
-			qparam.cw_min = 31;
-		else
-			qparam.cw_min = 15;
-
-		qparam.cw_max = 1023;
-		qparam.txop = 0;
-
-		for (i = IEEE80211_TX_QUEUE_DATA0; i < NUM_TX_DATA_QUEUES; i++)
-			local->ops->conf_tx(local_to_hw(local),
-					   i + IEEE80211_TX_QUEUE_DATA0,
-					   &qparam);
-
-		if (ibss) {
-			/* IBSS uses different parameters for Beacon sending */
-			qparam.cw_min++;
-			qparam.cw_min *= 2;
-			qparam.cw_min--;
-			local->ops->conf_tx(local_to_hw(local),
-					   IEEE80211_TX_QUEUE_BEACON, &qparam);
-		}
-	}
-}
-
-static void ieee80211_sta_wmm_params(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     u8 *wmm_param, size_t wmm_param_len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_tx_queue_params params;
-	size_t left;
-	int count;
-	u8 *pos;
-
-	if (wmm_param_len < 8 || wmm_param[5] /* version */ != 1)
-		return;
-	count = wmm_param[6] & 0x0f;
-	if (count == ifsta->wmm_last_param_set)
-		return;
-	ifsta->wmm_last_param_set = count;
-
-	pos = wmm_param + 8;
-	left = wmm_param_len - 8;
-
-	memset(&params, 0, sizeof(params));
-
-	if (!local->ops->conf_tx)
-		return;
-
-	local->wmm_acm = 0;
-	for (; left >= 4; left -= 4, pos += 4) {
-		int aci = (pos[0] >> 5) & 0x03;
-		int acm = (pos[0] >> 4) & 0x01;
-		int queue;
-
-		switch (aci) {
-		case 1:
-			queue = IEEE80211_TX_QUEUE_DATA3;
-			if (acm) {
-				local->wmm_acm |= BIT(0) | BIT(3);
-			}
-			break;
-		case 2:
-			queue = IEEE80211_TX_QUEUE_DATA1;
-			if (acm) {
-				local->wmm_acm |= BIT(4) | BIT(5);
-			}
-			break;
-		case 3:
-			queue = IEEE80211_TX_QUEUE_DATA0;
-			if (acm) {
-				local->wmm_acm |= BIT(6) | BIT(7);
-			}
-			break;
-		case 0:
-		default:
-			queue = IEEE80211_TX_QUEUE_DATA2;
-			if (acm) {
-				local->wmm_acm |= BIT(1) | BIT(2);
-			}
-			break;
-		}
-
-		params.aifs = pos[0] & 0x0f;
-		params.cw_max = ecw2cw((pos[1] & 0xf0) >> 4);
-		params.cw_min = ecw2cw(pos[1] & 0x0f);
-		params.txop = pos[2] | (pos[3] << 8);
-#ifdef CONFIG_MAC80211_DEBUG
-		printk(KERN_DEBUG "%s: WMM queue=%d aci=%d acm=%d aifs=%d "
-		       "cWmin=%d cWmax=%d txop=%d\n",
-		       dev->name, queue, aci, acm, params.aifs, params.cw_min,
-		       params.cw_max, params.txop);
-#endif
-		/* TODO: handle ACM (block TX, fallback to next lowest allowed
-		 * AC for now) */
-		if (local->ops->conf_tx(local_to_hw(local), queue, &params)) {
-			printk(KERN_DEBUG "%s: failed to set TX queue "
-			       "parameters for queue %d\n", dev->name, queue);
-		}
-	}
-}
-
-
-static u32 ieee80211_handle_erp_ie(struct ieee80211_sub_if_data *sdata,
-				   u8 erp_value)
-{
-	struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	bool use_protection = (erp_value & WLAN_ERP_USE_PROTECTION) != 0;
-	bool use_short_preamble = (erp_value & WLAN_ERP_BARKER_PREAMBLE) == 0;
-	DECLARE_MAC_BUF(mac);
-	u32 changed = 0;
-
-	if (use_protection != bss_conf->use_cts_prot) {
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "%s: CTS protection %s (BSSID="
-			       "%s)\n",
-			       sdata->dev->name,
-			       use_protection ? "enabled" : "disabled",
-			       print_mac(mac, ifsta->bssid));
-		}
-		bss_conf->use_cts_prot = use_protection;
-		changed |= BSS_CHANGED_ERP_CTS_PROT;
-	}
-
-	if (use_short_preamble != bss_conf->use_short_preamble) {
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "%s: switched to %s barker preamble"
-			       " (BSSID=%s)\n",
-			       sdata->dev->name,
-			       use_short_preamble ? "short" : "long",
-			       print_mac(mac, ifsta->bssid));
-		}
-		bss_conf->use_short_preamble = use_short_preamble;
-		changed |= BSS_CHANGED_ERP_PREAMBLE;
-	}
-
-	return changed;
-}
-
-int ieee80211_ht_cap_ie_to_ht_info(struct ieee80211_ht_cap *ht_cap_ie,
-				   struct ieee80211_ht_info *ht_info)
-{
-
-	if (ht_info == NULL)
-		return -EINVAL;
-
-	memset(ht_info, 0, sizeof(*ht_info));
-
-	if (ht_cap_ie) {
-		u8 ampdu_info = ht_cap_ie->ampdu_params_info;
-
-		ht_info->ht_supported = 1;
-		ht_info->cap = le16_to_cpu(ht_cap_ie->cap_info);
-		ht_info->ampdu_factor =
-			ampdu_info & IEEE80211_HT_CAP_AMPDU_FACTOR;
-		ht_info->ampdu_density =
-			(ampdu_info & IEEE80211_HT_CAP_AMPDU_DENSITY) >> 2;
-		memcpy(ht_info->supp_mcs_set, ht_cap_ie->supp_mcs_set, 16);
-	} else
-		ht_info->ht_supported = 0;
-
-	return 0;
-}
-
-int ieee80211_ht_addt_info_ie_to_ht_bss_info(
-			struct ieee80211_ht_addt_info *ht_add_info_ie,
-			struct ieee80211_ht_bss_info *bss_info)
-{
-	if (bss_info == NULL)
-		return -EINVAL;
-
-	memset(bss_info, 0, sizeof(*bss_info));
-
-	if (ht_add_info_ie) {
-		u16 op_mode;
-		op_mode = le16_to_cpu(ht_add_info_ie->operation_mode);
-
-		bss_info->primary_channel = ht_add_info_ie->control_chan;
-		bss_info->bss_cap = ht_add_info_ie->ht_param;
-		bss_info->bss_op_mode = (u8)(op_mode & 0xff);
-	}
-
-	return 0;
-}
-
-static void ieee80211_sta_send_associnfo(struct net_device *dev,
-					 struct ieee80211_if_sta *ifsta)
-{
-	char *buf;
-	size_t len;
-	int i;
-	union iwreq_data wrqu;
-
-	if (!ifsta->assocreq_ies && !ifsta->assocresp_ies)
-		return;
-
-	buf = kmalloc(50 + 2 * (ifsta->assocreq_ies_len +
-				ifsta->assocresp_ies_len), GFP_KERNEL);
-	if (!buf)
-		return;
-
-	len = sprintf(buf, "ASSOCINFO(");
-	if (ifsta->assocreq_ies) {
-		len += sprintf(buf + len, "ReqIEs=");
-		for (i = 0; i < ifsta->assocreq_ies_len; i++) {
-			len += sprintf(buf + len, "%02x",
-				       ifsta->assocreq_ies[i]);
-		}
-	}
-	if (ifsta->assocresp_ies) {
-		if (ifsta->assocreq_ies)
-			len += sprintf(buf + len, " ");
-		len += sprintf(buf + len, "RespIEs=");
-		for (i = 0; i < ifsta->assocresp_ies_len; i++) {
-			len += sprintf(buf + len, "%02x",
-				       ifsta->assocresp_ies[i]);
-		}
-	}
-	len += sprintf(buf + len, ")");
-
-	if (len > IW_CUSTOM_MAX) {
-		len = sprintf(buf, "ASSOCRESPIE=");
-		for (i = 0; i < ifsta->assocresp_ies_len; i++) {
-			len += sprintf(buf + len, "%02x",
-				       ifsta->assocresp_ies[i]);
-		}
-	}
-
-	memset(&wrqu, 0, sizeof(wrqu));
-	wrqu.data.length = len;
-	wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf);
-
-	kfree(buf);
-}
-
-
-static void ieee80211_set_associated(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     bool assoc)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_local *local = sdata->local;
-	struct ieee80211_conf *conf = &local_to_hw(local)->conf;
-	union iwreq_data wrqu;
-	u32 changed = BSS_CHANGED_ASSOC;
-
-	if (assoc) {
-		struct ieee80211_sta_bss *bss;
-
-		ifsta->flags |= IEEE80211_STA_ASSOCIATED;
-
-		if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
-			return;
-
-		bss = ieee80211_rx_bss_get(dev, ifsta->bssid,
-					   conf->channel->center_freq,
-					   ifsta->ssid, ifsta->ssid_len);
-		if (bss) {
-			/* set timing information */
-			sdata->bss_conf.beacon_int = bss->beacon_int;
-			sdata->bss_conf.timestamp = bss->timestamp;
-
-			if (bss->has_erp_value)
-				changed |= ieee80211_handle_erp_ie(
-						sdata, bss->erp_value);
-
-			ieee80211_rx_bss_put(dev, bss);
-		}
-
-		if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
-			changed |= BSS_CHANGED_HT;
-			sdata->bss_conf.assoc_ht = 1;
-			sdata->bss_conf.ht_conf = &conf->ht_conf;
-			sdata->bss_conf.ht_bss_conf = &conf->ht_bss_conf;
-		}
-
-		netif_carrier_on(dev);
-		ifsta->flags |= IEEE80211_STA_PREV_BSSID_SET;
-		memcpy(ifsta->prev_bssid, sdata->u.sta.bssid, ETH_ALEN);
-		memcpy(wrqu.ap_addr.sa_data, sdata->u.sta.bssid, ETH_ALEN);
-		ieee80211_sta_send_associnfo(dev, ifsta);
-	} else {
-		ieee80211_sta_tear_down_BA_sessions(dev, ifsta->bssid);
-		ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
-		netif_carrier_off(dev);
-		ieee80211_reset_erp_info(dev);
-
-		sdata->bss_conf.assoc_ht = 0;
-		sdata->bss_conf.ht_conf = NULL;
-		sdata->bss_conf.ht_bss_conf = NULL;
-
-		memset(wrqu.ap_addr.sa_data, 0, ETH_ALEN);
-	}
-	ifsta->last_probe = jiffies;
-	ieee80211_led_assoc(local, assoc);
-
-	sdata->bss_conf.assoc = assoc;
-	ieee80211_bss_info_change_notify(sdata, changed);
-	wrqu.ap_addr.sa_family = ARPHRD_ETHER;
-	wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL);
-}
-
-static void ieee80211_set_disassoc(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta, int deauth)
-{
-	if (deauth)
-		ifsta->auth_tries = 0;
-	ifsta->assoc_tries = 0;
-	ieee80211_set_associated(dev, ifsta, 0);
-}
-
-void ieee80211_sta_tx(struct net_device *dev, struct sk_buff *skb,
-		      int encrypt)
-{
-	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_tx_packet_data *pkt_data;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	skb->dev = sdata->local->mdev;
-	skb_set_mac_header(skb, 0);
-	skb_set_network_header(skb, 0);
-	skb_set_transport_header(skb, 0);
-
-	pkt_data = (struct ieee80211_tx_packet_data *) skb->cb;
-	memset(pkt_data, 0, sizeof(struct ieee80211_tx_packet_data));
-	pkt_data->ifindex = sdata->dev->ifindex;
-	if (!encrypt)
-		pkt_data->flags |= IEEE80211_TXPD_DO_NOT_ENCRYPT;
-
-	dev_queue_xmit(skb);
-}
-
-
-static void ieee80211_send_auth(struct net_device *dev,
-				struct ieee80211_if_sta *ifsta,
-				int transaction, u8 *extra, size_t extra_len,
-				int encrypt)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom +
-			    sizeof(*mgmt) + 6 + extra_len);
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for auth "
-		       "frame\n", dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24 + 6);
-	memset(mgmt, 0, 24 + 6);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_AUTH);
-	if (encrypt)
-		mgmt->frame_control |= cpu_to_le16(IEEE80211_FCTL_PROTECTED);
-	memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->u.auth.auth_alg = cpu_to_le16(ifsta->auth_alg);
-	mgmt->u.auth.auth_transaction = cpu_to_le16(transaction);
-	ifsta->auth_transaction = transaction + 1;
-	mgmt->u.auth.status_code = cpu_to_le16(0);
-	if (extra)
-		memcpy(skb_put(skb, extra_len), extra, extra_len);
-
-	ieee80211_sta_tx(dev, skb, encrypt);
-}
-
-
-static void ieee80211_authenticate(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta)
-{
-	DECLARE_MAC_BUF(mac);
-
-	ifsta->auth_tries++;
-	if (ifsta->auth_tries > IEEE80211_AUTH_MAX_TRIES) {
-		printk(KERN_DEBUG "%s: authentication with AP %s"
-		       " timed out\n",
-		       dev->name, print_mac(mac, ifsta->bssid));
-		ifsta->state = IEEE80211_DISABLED;
-		return;
-	}
-
-	ifsta->state = IEEE80211_AUTHENTICATE;
-	printk(KERN_DEBUG "%s: authenticate with AP %s\n",
-	       dev->name, print_mac(mac, ifsta->bssid));
-
-	ieee80211_send_auth(dev, ifsta, 1, NULL, 0, 0);
-
-	mod_timer(&ifsta->timer, jiffies + IEEE80211_AUTH_TIMEOUT);
-}
-
-
-static void ieee80211_send_assoc(struct net_device *dev,
-				 struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u8 *pos, *ies;
-	int i, len;
-	u16 capab;
-	struct ieee80211_sta_bss *bss;
-	int wmm = 0;
-	struct ieee80211_supported_band *sband;
-
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom +
-			    sizeof(*mgmt) + 200 + ifsta->extra_ie_len +
-			    ifsta->ssid_len);
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for assoc "
-		       "frame\n", dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-	capab = ifsta->capab;
-
-	if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) {
-		if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_SLOT_INCAPABLE))
-			capab |= WLAN_CAPABILITY_SHORT_SLOT_TIME;
-		if (!(local->hw.flags & IEEE80211_HW_2GHZ_SHORT_PREAMBLE_INCAPABLE))
-			capab |= WLAN_CAPABILITY_SHORT_PREAMBLE;
-	}
-
-	bss = ieee80211_rx_bss_get(dev, ifsta->bssid,
-				   local->hw.conf.channel->center_freq,
-				   ifsta->ssid, ifsta->ssid_len);
-	if (bss) {
-		if (bss->capability & WLAN_CAPABILITY_PRIVACY)
-			capab |= WLAN_CAPABILITY_PRIVACY;
-		if (bss->wmm_ie) {
-			wmm = 1;
-		}
-		ieee80211_rx_bss_put(dev, bss);
-	}
-
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-
-	if (ifsta->flags & IEEE80211_STA_PREV_BSSID_SET) {
-		skb_put(skb, 10);
-		mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-						   IEEE80211_STYPE_REASSOC_REQ);
-		mgmt->u.reassoc_req.capab_info = cpu_to_le16(capab);
-		mgmt->u.reassoc_req.listen_interval = cpu_to_le16(1);
-		memcpy(mgmt->u.reassoc_req.current_ap, ifsta->prev_bssid,
-		       ETH_ALEN);
-	} else {
-		skb_put(skb, 4);
-		mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-						   IEEE80211_STYPE_ASSOC_REQ);
-		mgmt->u.assoc_req.capab_info = cpu_to_le16(capab);
-		mgmt->u.assoc_req.listen_interval = cpu_to_le16(1);
-	}
-
-	/* SSID */
-	ies = pos = skb_put(skb, 2 + ifsta->ssid_len);
-	*pos++ = WLAN_EID_SSID;
-	*pos++ = ifsta->ssid_len;
-	memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-
-	len = sband->n_bitrates;
-	if (len > 8)
-		len = 8;
-	pos = skb_put(skb, len + 2);
-	*pos++ = WLAN_EID_SUPP_RATES;
-	*pos++ = len;
-	for (i = 0; i < len; i++) {
-		int rate = sband->bitrates[i].bitrate;
-		*pos++ = (u8) (rate / 5);
-	}
-
-	if (sband->n_bitrates > len) {
-		pos = skb_put(skb, sband->n_bitrates - len + 2);
-		*pos++ = WLAN_EID_EXT_SUPP_RATES;
-		*pos++ = sband->n_bitrates - len;
-		for (i = len; i < sband->n_bitrates; i++) {
-			int rate = sband->bitrates[i].bitrate;
-			*pos++ = (u8) (rate / 5);
-		}
-	}
-
-	if (ifsta->extra_ie) {
-		pos = skb_put(skb, ifsta->extra_ie_len);
-		memcpy(pos, ifsta->extra_ie, ifsta->extra_ie_len);
-	}
-
-	if (wmm && (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
-		pos = skb_put(skb, 9);
-		*pos++ = WLAN_EID_VENDOR_SPECIFIC;
-		*pos++ = 7; /* len */
-		*pos++ = 0x00; /* Microsoft OUI 00:50:F2 */
-		*pos++ = 0x50;
-		*pos++ = 0xf2;
-		*pos++ = 2; /* WME */
-		*pos++ = 0; /* WME info */
-		*pos++ = 1; /* WME ver */
-		*pos++ = 0;
-	}
-	/* wmm support is a must to HT */
-	if (wmm && sband->ht_info.ht_supported) {
-		__le16 tmp = cpu_to_le16(sband->ht_info.cap);
-		pos = skb_put(skb, sizeof(struct ieee80211_ht_cap)+2);
-		*pos++ = WLAN_EID_HT_CAPABILITY;
-		*pos++ = sizeof(struct ieee80211_ht_cap);
-		memset(pos, 0, sizeof(struct ieee80211_ht_cap));
-		memcpy(pos, &tmp, sizeof(u16));
-		pos += sizeof(u16);
-		/* TODO: needs a define here for << 2 */
-		*pos++ = sband->ht_info.ampdu_factor |
-			 (sband->ht_info.ampdu_density << 2);
-		memcpy(pos, sband->ht_info.supp_mcs_set, 16);
-	}
-
-	kfree(ifsta->assocreq_ies);
-	ifsta->assocreq_ies_len = (skb->data + skb->len) - ies;
-	ifsta->assocreq_ies = kmalloc(ifsta->assocreq_ies_len, GFP_KERNEL);
-	if (ifsta->assocreq_ies)
-		memcpy(ifsta->assocreq_ies, ies, ifsta->assocreq_ies_len);
-
-	ieee80211_sta_tx(dev, skb, 0);
-}
-
-
-static void ieee80211_send_deauth(struct net_device *dev,
-				  struct ieee80211_if_sta *ifsta, u16 reason)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt));
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for deauth "
-		       "frame\n", dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_DEAUTH);
-	skb_put(skb, 2);
-	mgmt->u.deauth.reason_code = cpu_to_le16(reason);
-
-	ieee80211_sta_tx(dev, skb, 0);
-}
-
-
-static void ieee80211_send_disassoc(struct net_device *dev,
-				    struct ieee80211_if_sta *ifsta, u16 reason)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt));
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for disassoc "
-		       "frame\n", dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, ifsta->bssid, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_DISASSOC);
-	skb_put(skb, 2);
-	mgmt->u.disassoc.reason_code = cpu_to_le16(reason);
-
-	ieee80211_sta_tx(dev, skb, 0);
-}
-
-
-static int ieee80211_privacy_mismatch(struct net_device *dev,
-				      struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-	int bss_privacy;
-	int wep_privacy;
-	int privacy_invoked;
-
-	if (!ifsta || (ifsta->flags & IEEE80211_STA_MIXED_CELL))
-		return 0;
-
-	bss = ieee80211_rx_bss_get(dev, ifsta->bssid,
-				   local->hw.conf.channel->center_freq,
-				   ifsta->ssid, ifsta->ssid_len);
-	if (!bss)
-		return 0;
-
-	bss_privacy = !!(bss->capability & WLAN_CAPABILITY_PRIVACY);
-	wep_privacy = !!ieee80211_sta_wep_configured(dev);
-	privacy_invoked = !!(ifsta->flags & IEEE80211_STA_PRIVACY_INVOKED);
-
-	ieee80211_rx_bss_put(dev, bss);
-
-	if ((bss_privacy == wep_privacy) || (bss_privacy == privacy_invoked))
-		return 0;
-
-	return 1;
-}
-
-
-static void ieee80211_associate(struct net_device *dev,
-				struct ieee80211_if_sta *ifsta)
-{
-	DECLARE_MAC_BUF(mac);
-
-	ifsta->assoc_tries++;
-	if (ifsta->assoc_tries > IEEE80211_ASSOC_MAX_TRIES) {
-		printk(KERN_DEBUG "%s: association with AP %s"
-		       " timed out\n",
-		       dev->name, print_mac(mac, ifsta->bssid));
-		ifsta->state = IEEE80211_DISABLED;
-		return;
-	}
-
-	ifsta->state = IEEE80211_ASSOCIATE;
-	printk(KERN_DEBUG "%s: associate with AP %s\n",
-	       dev->name, print_mac(mac, ifsta->bssid));
-	if (ieee80211_privacy_mismatch(dev, ifsta)) {
-		printk(KERN_DEBUG "%s: mismatch in privacy configuration and "
-		       "mixed-cell disabled - abort association\n", dev->name);
-		ifsta->state = IEEE80211_DISABLED;
-		return;
-	}
-
-	ieee80211_send_assoc(dev, ifsta);
-
-	mod_timer(&ifsta->timer, jiffies + IEEE80211_ASSOC_TIMEOUT);
-}
-
-
-static void ieee80211_associated(struct net_device *dev,
-				 struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta;
-	int disassoc;
-	DECLARE_MAC_BUF(mac);
-
-	/* TODO: start monitoring current AP signal quality and number of
-	 * missed beacons. Scan other channels every now and then and search
-	 * for better APs. */
-	/* TODO: remove expired BSSes */
-
-	ifsta->state = IEEE80211_ASSOCIATED;
-
-	rcu_read_lock();
-
-	sta = sta_info_get(local, ifsta->bssid);
-	if (!sta) {
-		printk(KERN_DEBUG "%s: No STA entry for own AP %s\n",
-		       dev->name, print_mac(mac, ifsta->bssid));
-		disassoc = 1;
-	} else {
-		disassoc = 0;
-		if (time_after(jiffies,
-			       sta->last_rx + IEEE80211_MONITORING_INTERVAL)) {
-			if (ifsta->flags & IEEE80211_STA_PROBEREQ_POLL) {
-				printk(KERN_DEBUG "%s: No ProbeResp from "
-				       "current AP %s - assume out of "
-				       "range\n",
-				       dev->name, print_mac(mac, ifsta->bssid));
-				disassoc = 1;
-				sta_info_unlink(&sta);
-			} else
-				ieee80211_send_probe_req(dev, ifsta->bssid,
-							 local->scan_ssid,
-							 local->scan_ssid_len);
-			ifsta->flags ^= IEEE80211_STA_PROBEREQ_POLL;
-		} else {
-			ifsta->flags &= ~IEEE80211_STA_PROBEREQ_POLL;
-			if (time_after(jiffies, ifsta->last_probe +
-				       IEEE80211_PROBE_INTERVAL)) {
-				ifsta->last_probe = jiffies;
-				ieee80211_send_probe_req(dev, ifsta->bssid,
-							 ifsta->ssid,
-							 ifsta->ssid_len);
-			}
-		}
-	}
-
-	rcu_read_unlock();
-
-	if (disassoc && sta)
-		sta_info_destroy(sta);
-
-	if (disassoc) {
-		ifsta->state = IEEE80211_DISABLED;
-		ieee80211_set_associated(dev, ifsta, 0);
-	} else {
-		mod_timer(&ifsta->timer, jiffies +
-				      IEEE80211_MONITORING_INTERVAL);
-	}
-}
-
-
-static void ieee80211_send_probe_req(struct net_device *dev, u8 *dst,
-				     u8 *ssid, size_t ssid_len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_supported_band *sband;
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u8 *pos, *supp_rates, *esupp_rates = NULL;
-	int i;
-
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + sizeof(*mgmt) + 200);
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for probe "
-		       "request\n", dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_PROBE_REQ);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	if (dst) {
-		memcpy(mgmt->da, dst, ETH_ALEN);
-		memcpy(mgmt->bssid, dst, ETH_ALEN);
-	} else {
-		memset(mgmt->da, 0xff, ETH_ALEN);
-		memset(mgmt->bssid, 0xff, ETH_ALEN);
-	}
-	pos = skb_put(skb, 2 + ssid_len);
-	*pos++ = WLAN_EID_SSID;
-	*pos++ = ssid_len;
-	memcpy(pos, ssid, ssid_len);
-
-	supp_rates = skb_put(skb, 2);
-	supp_rates[0] = WLAN_EID_SUPP_RATES;
-	supp_rates[1] = 0;
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-	for (i = 0; i < sband->n_bitrates; i++) {
-		struct ieee80211_rate *rate = &sband->bitrates[i];
-		if (esupp_rates) {
-			pos = skb_put(skb, 1);
-			esupp_rates[1]++;
-		} else if (supp_rates[1] == 8) {
-			esupp_rates = skb_put(skb, 3);
-			esupp_rates[0] = WLAN_EID_EXT_SUPP_RATES;
-			esupp_rates[1] = 1;
-			pos = &esupp_rates[2];
-		} else {
-			pos = skb_put(skb, 1);
-			supp_rates[1]++;
-		}
-		*pos = rate->bitrate / 5;
-	}
-
-	ieee80211_sta_tx(dev, skb, 0);
-}
-
-
-static int ieee80211_sta_wep_configured(struct net_device *dev)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (!sdata || !sdata->default_key ||
-	    sdata->default_key->conf.alg != ALG_WEP)
-		return 0;
-	return 1;
-}
-
-
-static void ieee80211_auth_completed(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta)
-{
-	printk(KERN_DEBUG "%s: authenticated\n", dev->name);
-	ifsta->flags |= IEEE80211_STA_AUTHENTICATED;
-	ieee80211_associate(dev, ifsta);
-}
-
-
-static void ieee80211_auth_challenge(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     struct ieee80211_mgmt *mgmt,
-				     size_t len)
-{
-	u8 *pos;
-	struct ieee802_11_elems elems;
-
-	printk(KERN_DEBUG "%s: replying to auth challenge\n", dev->name);
-	pos = mgmt->u.auth.variable;
-	ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
-	if (!elems.challenge) {
-		printk(KERN_DEBUG "%s: no challenge IE in shared key auth "
-		       "frame\n", dev->name);
-		return;
-	}
-	ieee80211_send_auth(dev, ifsta, 3, elems.challenge - 2,
-			    elems.challenge_len + 2, 1);
-}
-
-static void ieee80211_send_addba_resp(struct net_device *dev, u8 *da, u16 tid,
-					u8 dialog_token, u16 status, u16 policy,
-					u16 buf_size, u16 timeout)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u16 capab;
-
-	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom + 1 +
-					sizeof(mgmt->u.action.u.addba_resp));
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer "
-		       "for addba resp frame\n", dev->name);
-		return;
-	}
-
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP)
-		memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN);
-	else
-		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					   IEEE80211_STYPE_ACTION);
-
-	skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_resp));
-	mgmt->u.action.category = WLAN_CATEGORY_BACK;
-	mgmt->u.action.u.addba_resp.action_code = WLAN_ACTION_ADDBA_RESP;
-	mgmt->u.action.u.addba_resp.dialog_token = dialog_token;
-
-	capab = (u16)(policy << 1);	/* bit 1 aggregation policy */
-	capab |= (u16)(tid << 2); 	/* bit 5:2 TID number */
-	capab |= (u16)(buf_size << 6);	/* bit 15:6 max size of aggregation */
-
-	mgmt->u.action.u.addba_resp.capab = cpu_to_le16(capab);
-	mgmt->u.action.u.addba_resp.timeout = cpu_to_le16(timeout);
-	mgmt->u.action.u.addba_resp.status = cpu_to_le16(status);
-
-	ieee80211_sta_tx(dev, skb, 0);
-
-	return;
-}
-
-void ieee80211_send_addba_request(struct net_device *dev, const u8 *da,
-				u16 tid, u8 dialog_token, u16 start_seq_num,
-				u16 agg_size, u16 timeout)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u16 capab;
-
-	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom + 1 +
-				sizeof(mgmt->u.action.u.addba_req));
-
-
-	if (!skb) {
-		printk(KERN_ERR "%s: failed to allocate buffer "
-				"for addba request frame\n", dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP)
-		memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN);
-	else
-		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					IEEE80211_STYPE_ACTION);
-
-	skb_put(skb, 1 + sizeof(mgmt->u.action.u.addba_req));
-
-	mgmt->u.action.category = WLAN_CATEGORY_BACK;
-	mgmt->u.action.u.addba_req.action_code = WLAN_ACTION_ADDBA_REQ;
-
-	mgmt->u.action.u.addba_req.dialog_token = dialog_token;
-	capab = (u16)(1 << 1);		/* bit 1 aggregation policy */
-	capab |= (u16)(tid << 2); 	/* bit 5:2 TID number */
-	capab |= (u16)(agg_size << 6);	/* bit 15:6 max size of aggergation */
-
-	mgmt->u.action.u.addba_req.capab = cpu_to_le16(capab);
-
-	mgmt->u.action.u.addba_req.timeout = cpu_to_le16(timeout);
-	mgmt->u.action.u.addba_req.start_seq_num =
-					cpu_to_le16(start_seq_num << 4);
-
-	ieee80211_sta_tx(dev, skb, 0);
-}
-
-static void ieee80211_sta_process_addba_request(struct net_device *dev,
-						struct ieee80211_mgmt *mgmt,
-						size_t len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hw *hw = &local->hw;
-	struct ieee80211_conf *conf = &hw->conf;
-	struct sta_info *sta;
-	struct tid_ampdu_rx *tid_agg_rx;
-	u16 capab, tid, timeout, ba_policy, buf_size, start_seq_num, status;
-	u8 dialog_token;
-	int ret = -EOPNOTSUPP;
-	DECLARE_MAC_BUF(mac);
-
-	rcu_read_lock();
-
-	sta = sta_info_get(local, mgmt->sa);
-	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
-
-	/* extract session parameters from addba request frame */
-	dialog_token = mgmt->u.action.u.addba_req.dialog_token;
-	timeout = le16_to_cpu(mgmt->u.action.u.addba_req.timeout);
-	start_seq_num =
-		le16_to_cpu(mgmt->u.action.u.addba_req.start_seq_num) >> 4;
-
-	capab = le16_to_cpu(mgmt->u.action.u.addba_req.capab);
-	ba_policy = (capab & IEEE80211_ADDBA_PARAM_POLICY_MASK) >> 1;
-	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
-	buf_size = (capab & IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK) >> 6;
-
-	status = WLAN_STATUS_REQUEST_DECLINED;
-
-	/* sanity check for incoming parameters:
-	 * check if configuration can support the BA policy
-	 * and if buffer size does not exceeds max value */
-	if (((ba_policy != 1)
-		&& (!(conf->ht_conf.cap & IEEE80211_HT_CAP_DELAY_BA)))
-		|| (buf_size > IEEE80211_MAX_AMPDU_BUF)) {
-		status = WLAN_STATUS_INVALID_QOS_PARAM;
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_DEBUG "AddBA Req with bad params from "
-				"%s on tid %u. policy %d, buffer size %d\n",
-				print_mac(mac, mgmt->sa), tid, ba_policy,
-				buf_size);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		goto end_no_lock;
-	}
-	/* determine default buffer size */
-	if (buf_size == 0) {
-		struct ieee80211_supported_band *sband;
-
-		sband = local->hw.wiphy->bands[conf->channel->band];
-		buf_size = IEEE80211_MIN_AMPDU_BUF;
-		buf_size = buf_size << sband->ht_info.ampdu_factor;
-	}
-
-
-	/* examine state machine */
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_rx);
-
-	if (sta->ampdu_mlme.tid_state_rx[tid] != HT_AGG_STATE_IDLE) {
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		if (net_ratelimit())
-			printk(KERN_DEBUG "unexpected AddBA Req from "
-				"%s on tid %u\n",
-				print_mac(mac, mgmt->sa), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		goto end;
-	}
-
-	/* prepare A-MPDU MLME for Rx aggregation */
-	sta->ampdu_mlme.tid_rx[tid] =
-			kmalloc(sizeof(struct tid_ampdu_rx), GFP_ATOMIC);
-	if (!sta->ampdu_mlme.tid_rx[tid]) {
-		if (net_ratelimit())
-			printk(KERN_ERR "allocate rx mlme to tid %d failed\n",
-					tid);
-		goto end;
-	}
-	/* rx timer */
-	sta->ampdu_mlme.tid_rx[tid]->session_timer.function =
-				sta_rx_agg_session_timer_expired;
-	sta->ampdu_mlme.tid_rx[tid]->session_timer.data =
-				(unsigned long)&sta->timer_to_tid[tid];
-	init_timer(&sta->ampdu_mlme.tid_rx[tid]->session_timer);
-
-	tid_agg_rx = sta->ampdu_mlme.tid_rx[tid];
-
-	/* prepare reordering buffer */
-	tid_agg_rx->reorder_buf =
-		kmalloc(buf_size * sizeof(struct sk_buf *), GFP_ATOMIC);
-	if (!tid_agg_rx->reorder_buf) {
-		if (net_ratelimit())
-			printk(KERN_ERR "can not allocate reordering buffer "
-			       "to tid %d\n", tid);
-		kfree(sta->ampdu_mlme.tid_rx[tid]);
-		goto end;
-	}
-	memset(tid_agg_rx->reorder_buf, 0,
-		buf_size * sizeof(struct sk_buf *));
-
-	if (local->ops->ampdu_action)
-		ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_START,
-					       sta->addr, tid, &start_seq_num);
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Rx A-MPDU request on tid %d result %d\n", tid, ret);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	if (ret) {
-		kfree(tid_agg_rx->reorder_buf);
-		kfree(tid_agg_rx);
-		sta->ampdu_mlme.tid_rx[tid] = NULL;
-		goto end;
-	}
-
-	/* change state and send addba resp */
-	sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_OPERATIONAL;
-	tid_agg_rx->dialog_token = dialog_token;
-	tid_agg_rx->ssn = start_seq_num;
-	tid_agg_rx->head_seq_num = start_seq_num;
-	tid_agg_rx->buf_size = buf_size;
-	tid_agg_rx->timeout = timeout;
-	tid_agg_rx->stored_mpdu_num = 0;
-	status = WLAN_STATUS_SUCCESS;
-end:
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
-
-end_no_lock:
-	ieee80211_send_addba_resp(sta->sdata->dev, sta->addr, tid,
-				  dialog_token, status, 1, buf_size, timeout);
-	rcu_read_unlock();
-}
-
-static void ieee80211_sta_process_addba_resp(struct net_device *dev,
-					     struct ieee80211_mgmt *mgmt,
-					     size_t len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hw *hw = &local->hw;
-	struct sta_info *sta;
-	u16 capab;
-	u16 tid;
-	u8 *state;
-
-	rcu_read_lock();
-
-	sta = sta_info_get(local, mgmt->sa);
-	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
-
-	capab = le16_to_cpu(mgmt->u.action.u.addba_resp.capab);
-	tid = (capab & IEEE80211_ADDBA_PARAM_TID_MASK) >> 2;
-
-	state = &sta->ampdu_mlme.tid_state_tx[tid];
-
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
-
-	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
-		printk(KERN_DEBUG "state not HT_ADDBA_REQUESTED_MSK:"
-			"%d\n", *state);
-		goto addba_resp_exit;
-	}
-
-	if (mgmt->u.action.u.addba_resp.dialog_token !=
-		sta->ampdu_mlme.tid_tx[tid]->dialog_token) {
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
-#ifdef CONFIG_MAC80211_HT_DEBUG
-		printk(KERN_DEBUG "wrong addBA response token, tid %d\n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-		goto addba_resp_exit;
-	}
-
-	del_timer_sync(&sta->ampdu_mlme.tid_tx[tid]->addba_resp_timer);
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "switched off addBA timer for tid %d \n", tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-	if (le16_to_cpu(mgmt->u.action.u.addba_resp.status)
-			== WLAN_STATUS_SUCCESS) {
-		if (*state & HT_ADDBA_RECEIVED_MSK)
-			printk(KERN_DEBUG "double addBA response\n");
-
-		*state |= HT_ADDBA_RECEIVED_MSK;
-		sta->ampdu_mlme.addba_req_num[tid] = 0;
-
-		if (*state == HT_AGG_STATE_OPERATIONAL) {
-			printk(KERN_DEBUG "Aggregation on for tid %d \n", tid);
-			ieee80211_wake_queue(hw, sta->tid_to_tx_q[tid]);
-		}
-
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
-		printk(KERN_DEBUG "recipient accepted agg: tid %d \n", tid);
-	} else {
-		printk(KERN_DEBUG "recipient rejected agg: tid %d \n", tid);
-
-		sta->ampdu_mlme.addba_req_num[tid]++;
-		/* this will allow the state check in stop_BA_session */
-		*state = HT_AGG_STATE_OPERATIONAL;
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
-		ieee80211_stop_tx_ba_session(hw, sta->addr, tid,
-					     WLAN_BACK_INITIATOR);
-	}
-
-addba_resp_exit:
-	rcu_read_unlock();
-}
-
-void ieee80211_send_delba(struct net_device *dev, const u8 *da, u16 tid,
-			  u16 initiator, u16 reason_code)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	u16 params;
-
-	skb = dev_alloc_skb(sizeof(*mgmt) + local->hw.extra_tx_headroom + 1 +
-					sizeof(mgmt->u.action.u.delba));
-
-	if (!skb) {
-		printk(KERN_ERR "%s: failed to allocate buffer "
-					"for delba frame\n", dev->name);
-		return;
-	}
-
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-	mgmt = (struct ieee80211_mgmt *) skb_put(skb, 24);
-	memset(mgmt, 0, 24);
-	memcpy(mgmt->da, da, ETH_ALEN);
-	memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_AP)
-		memcpy(mgmt->bssid, dev->dev_addr, ETH_ALEN);
-	else
-		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-	mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					IEEE80211_STYPE_ACTION);
-
-	skb_put(skb, 1 + sizeof(mgmt->u.action.u.delba));
-
-	mgmt->u.action.category = WLAN_CATEGORY_BACK;
-	mgmt->u.action.u.delba.action_code = WLAN_ACTION_DELBA;
-	params = (u16)(initiator << 11); 	/* bit 11 initiator */
-	params |= (u16)(tid << 12); 		/* bit 15:12 TID number */
-
-	mgmt->u.action.u.delba.params = cpu_to_le16(params);
-	mgmt->u.action.u.delba.reason_code = cpu_to_le16(reason_code);
-
-	ieee80211_sta_tx(dev, skb, 0);
-}
-
-void ieee80211_sta_stop_rx_ba_session(struct net_device *dev, u8 *ra, u16 tid,
-					u16 initiator, u16 reason)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_hw *hw = &local->hw;
-	struct sta_info *sta;
-	int ret, i;
-	DECLARE_MAC_BUF(mac);
-
-	rcu_read_lock();
-
-	sta = sta_info_get(local, ra);
-	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
-
-	/* check if TID is in operational state */
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_rx);
-	if (sta->ampdu_mlme.tid_state_rx[tid]
-				!= HT_AGG_STATE_OPERATIONAL) {
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
-		rcu_read_unlock();
-		return;
-	}
-	sta->ampdu_mlme.tid_state_rx[tid] =
-		HT_AGG_STATE_REQ_STOP_BA_MSK |
-		(initiator << HT_AGG_STATE_INITIATOR_SHIFT);
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_rx);
-
-	/* stop HW Rx aggregation. ampdu_action existence
-	 * already verified in session init so we add the BUG_ON */
-	BUG_ON(!local->ops->ampdu_action);
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	printk(KERN_DEBUG "Rx BA session stop requested for %s tid %u\n",
-				print_mac(mac, ra), tid);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	ret = local->ops->ampdu_action(hw, IEEE80211_AMPDU_RX_STOP,
-					ra, tid, NULL);
-	if (ret)
-		printk(KERN_DEBUG "HW problem - can not stop rx "
-				"aggergation for tid %d\n", tid);
-
-	/* shutdown timer has not expired */
-	if (initiator != WLAN_BACK_TIMER)
-		del_timer_sync(&sta->ampdu_mlme.tid_rx[tid]->session_timer);
-
-	/* check if this is a self generated aggregation halt */
-	if (initiator == WLAN_BACK_RECIPIENT || initiator == WLAN_BACK_TIMER)
-		ieee80211_send_delba(dev, ra, tid, 0, reason);
-
-	/* free the reordering buffer */
-	for (i = 0; i < sta->ampdu_mlme.tid_rx[tid]->buf_size; i++) {
-		if (sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]) {
-			/* release the reordered frames */
-			dev_kfree_skb(sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i]);
-			sta->ampdu_mlme.tid_rx[tid]->stored_mpdu_num--;
-			sta->ampdu_mlme.tid_rx[tid]->reorder_buf[i] = NULL;
-		}
-	}
-	/* free resources */
-	kfree(sta->ampdu_mlme.tid_rx[tid]->reorder_buf);
-	kfree(sta->ampdu_mlme.tid_rx[tid]);
-	sta->ampdu_mlme.tid_rx[tid] = NULL;
-	sta->ampdu_mlme.tid_state_rx[tid] = HT_AGG_STATE_IDLE;
-
-	rcu_read_unlock();
-}
-
-
-static void ieee80211_sta_process_delba(struct net_device *dev,
-			struct ieee80211_mgmt *mgmt, size_t len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta;
-	u16 tid, params;
-	u16 initiator;
-	DECLARE_MAC_BUF(mac);
-
-	rcu_read_lock();
-
-	sta = sta_info_get(local, mgmt->sa);
-	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
-
-	params = le16_to_cpu(mgmt->u.action.u.delba.params);
-	tid = (params & IEEE80211_DELBA_PARAM_TID_MASK) >> 12;
-	initiator = (params & IEEE80211_DELBA_PARAM_INITIATOR_MASK) >> 11;
-
-#ifdef CONFIG_MAC80211_HT_DEBUG
-	if (net_ratelimit())
-		printk(KERN_DEBUG "delba from %s (%s) tid %d reason code %d\n",
-			print_mac(mac, mgmt->sa),
-			initiator ? "initiator" : "recipient", tid,
-			mgmt->u.action.u.delba.reason_code);
-#endif /* CONFIG_MAC80211_HT_DEBUG */
-
-	if (initiator == WLAN_BACK_INITIATOR)
-		ieee80211_sta_stop_rx_ba_session(dev, sta->addr, tid,
-						 WLAN_BACK_INITIATOR, 0);
-	else { /* WLAN_BACK_RECIPIENT */
-		spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
-		sta->ampdu_mlme.tid_state_tx[tid] =
-				HT_AGG_STATE_OPERATIONAL;
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
-		ieee80211_stop_tx_ba_session(&local->hw, sta->addr, tid,
-					     WLAN_BACK_RECIPIENT);
-	}
-	rcu_read_unlock();
-}
-
-/*
- * After sending add Block Ack request we activated a timer until
- * add Block Ack response will arrive from the recipient.
- * If this timer expires sta_addba_resp_timer_expired will be executed.
- */
-void sta_addba_resp_timer_expired(unsigned long data)
-{
-	/* not an elegant detour, but there is no choice as the timer passes
-	 * only one argument, and both sta_info and TID are needed, so init
-	 * flow in sta_info_create gives the TID as data, while the timer_to_id
-	 * array gives the sta through container_of */
-	u16 tid = *(int *)data;
-	struct sta_info *temp_sta = container_of((void *)data,
-		struct sta_info, timer_to_tid[tid]);
-
-	struct ieee80211_local *local = temp_sta->local;
-	struct ieee80211_hw *hw = &local->hw;
-	struct sta_info *sta;
-	u8 *state;
-
-	rcu_read_lock();
-
-	sta = sta_info_get(local, temp_sta->addr);
-	if (!sta) {
-		rcu_read_unlock();
-		return;
-	}
-
-	state = &sta->ampdu_mlme.tid_state_tx[tid];
-	/* check if the TID waits for addBA response */
-	spin_lock_bh(&sta->ampdu_mlme.ampdu_tx);
-	if (!(*state & HT_ADDBA_REQUESTED_MSK)) {
-		spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
-		*state = HT_AGG_STATE_IDLE;
-		printk(KERN_DEBUG "timer expired on tid %d but we are not "
-				"expecting addBA response there", tid);
-		goto timer_expired_exit;
-	}
-
-	printk(KERN_DEBUG "addBA response timer expired on tid %d\n", tid);
-
-	/* go through the state check in stop_BA_session */
-	*state = HT_AGG_STATE_OPERATIONAL;
-	spin_unlock_bh(&sta->ampdu_mlme.ampdu_tx);
-	ieee80211_stop_tx_ba_session(hw, temp_sta->addr, tid,
-				     WLAN_BACK_INITIATOR);
-
-timer_expired_exit:
-	rcu_read_unlock();
-}
-
-/*
- * After accepting the AddBA Request we activated a timer,
- * resetting it after each frame that arrives from the originator.
- * if this timer expires ieee80211_sta_stop_rx_ba_session will be executed.
- */
-void sta_rx_agg_session_timer_expired(unsigned long data)
-{
-	/* not an elegant detour, but there is no choice as the timer passes
-	 * only one argument, and verious sta_info are needed here, so init
-	 * flow in sta_info_create gives the TID as data, while the timer_to_id
-	 * array gives the sta through container_of */
-	u8 *ptid = (u8 *)data;
-	u8 *timer_to_id = ptid - *ptid;
-	struct sta_info *sta = container_of(timer_to_id, struct sta_info,
-					 timer_to_tid[0]);
-
-	printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid);
-	ieee80211_sta_stop_rx_ba_session(sta->sdata->dev, sta->addr,
-					 (u16)*ptid, WLAN_BACK_TIMER,
-					 WLAN_REASON_QSTA_TIMEOUT);
-}
-
-void ieee80211_sta_tear_down_BA_sessions(struct net_device *dev, u8 *addr)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	int i;
-
-	for (i = 0; i <  STA_TID_NUM; i++) {
-		ieee80211_stop_tx_ba_session(&local->hw, addr, i,
-					     WLAN_BACK_INITIATOR);
-		ieee80211_sta_stop_rx_ba_session(dev, addr, i,
-						 WLAN_BACK_RECIPIENT,
-						 WLAN_REASON_QSTA_LEAVE_QBSS);
-	}
-}
-
-static void ieee80211_rx_mgmt_auth(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta,
-				   struct ieee80211_mgmt *mgmt,
-				   size_t len)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	u16 auth_alg, auth_transaction, status_code;
-	DECLARE_MAC_BUF(mac);
-
-	if (ifsta->state != IEEE80211_AUTHENTICATE &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_IBSS) {
-		printk(KERN_DEBUG "%s: authentication frame received from "
-		       "%s, but not in authenticate state - ignored\n",
-		       dev->name, print_mac(mac, mgmt->sa));
-		return;
-	}
-
-	if (len < 24 + 6) {
-		printk(KERN_DEBUG "%s: too short (%zd) authentication frame "
-		       "received from %s - ignored\n",
-		       dev->name, len, print_mac(mac, mgmt->sa));
-		return;
-	}
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-	    memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
-		printk(KERN_DEBUG "%s: authentication frame received from "
-		       "unknown AP (SA=%s BSSID=%s) - "
-		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
-		       print_mac(mac, mgmt->bssid));
-		return;
-	}
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-	    memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0) {
-		printk(KERN_DEBUG "%s: authentication frame received from "
-		       "unknown BSSID (SA=%s BSSID=%s) - "
-		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
-		       print_mac(mac, mgmt->bssid));
-		return;
-	}
-
-	auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
-	auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
-	status_code = le16_to_cpu(mgmt->u.auth.status_code);
-
-	printk(KERN_DEBUG "%s: RX authentication from %s (alg=%d "
-	       "transaction=%d status=%d)\n",
-	       dev->name, print_mac(mac, mgmt->sa), auth_alg,
-	       auth_transaction, status_code);
-
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		/* IEEE 802.11 standard does not require authentication in IBSS
-		 * networks and most implementations do not seem to use it.
-		 * However, try to reply to authentication attempts if someone
-		 * has actually implemented this.
-		 * TODO: Could implement shared key authentication. */
-		if (auth_alg != WLAN_AUTH_OPEN || auth_transaction != 1) {
-			printk(KERN_DEBUG "%s: unexpected IBSS authentication "
-			       "frame (alg=%d transaction=%d)\n",
-			       dev->name, auth_alg, auth_transaction);
-			return;
-		}
-		ieee80211_send_auth(dev, ifsta, 2, NULL, 0, 0);
-	}
-
-	if (auth_alg != ifsta->auth_alg ||
-	    auth_transaction != ifsta->auth_transaction) {
-		printk(KERN_DEBUG "%s: unexpected authentication frame "
-		       "(alg=%d transaction=%d)\n",
-		       dev->name, auth_alg, auth_transaction);
-		return;
-	}
-
-	if (status_code != WLAN_STATUS_SUCCESS) {
-		printk(KERN_DEBUG "%s: AP denied authentication (auth_alg=%d "
-		       "code=%d)\n", dev->name, ifsta->auth_alg, status_code);
-		if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG) {
-			u8 algs[3];
-			const int num_algs = ARRAY_SIZE(algs);
-			int i, pos;
-			algs[0] = algs[1] = algs[2] = 0xff;
-			if (ifsta->auth_algs & IEEE80211_AUTH_ALG_OPEN)
-				algs[0] = WLAN_AUTH_OPEN;
-			if (ifsta->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
-				algs[1] = WLAN_AUTH_SHARED_KEY;
-			if (ifsta->auth_algs & IEEE80211_AUTH_ALG_LEAP)
-				algs[2] = WLAN_AUTH_LEAP;
-			if (ifsta->auth_alg == WLAN_AUTH_OPEN)
-				pos = 0;
-			else if (ifsta->auth_alg == WLAN_AUTH_SHARED_KEY)
-				pos = 1;
-			else
-				pos = 2;
-			for (i = 0; i < num_algs; i++) {
-				pos++;
-				if (pos >= num_algs)
-					pos = 0;
-				if (algs[pos] == ifsta->auth_alg ||
-				    algs[pos] == 0xff)
-					continue;
-				if (algs[pos] == WLAN_AUTH_SHARED_KEY &&
-				    !ieee80211_sta_wep_configured(dev))
-					continue;
-				ifsta->auth_alg = algs[pos];
-				printk(KERN_DEBUG "%s: set auth_alg=%d for "
-				       "next try\n",
-				       dev->name, ifsta->auth_alg);
-				break;
-			}
-		}
-		return;
-	}
-
-	switch (ifsta->auth_alg) {
-	case WLAN_AUTH_OPEN:
-	case WLAN_AUTH_LEAP:
-		ieee80211_auth_completed(dev, ifsta);
-		break;
-	case WLAN_AUTH_SHARED_KEY:
-		if (ifsta->auth_transaction == 4)
-			ieee80211_auth_completed(dev, ifsta);
-		else
-			ieee80211_auth_challenge(dev, ifsta, mgmt, len);
-		break;
-	}
-}
-
-
-static void ieee80211_rx_mgmt_deauth(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     struct ieee80211_mgmt *mgmt,
-				     size_t len)
-{
-	u16 reason_code;
-	DECLARE_MAC_BUF(mac);
-
-	if (len < 24 + 2) {
-		printk(KERN_DEBUG "%s: too short (%zd) deauthentication frame "
-		       "received from %s - ignored\n",
-		       dev->name, len, print_mac(mac, mgmt->sa));
-		return;
-	}
-
-	if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
-		printk(KERN_DEBUG "%s: deauthentication frame received from "
-		       "unknown AP (SA=%s BSSID=%s) - "
-		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
-		       print_mac(mac, mgmt->bssid));
-		return;
-	}
-
-	reason_code = le16_to_cpu(mgmt->u.deauth.reason_code);
-
-	printk(KERN_DEBUG "%s: RX deauthentication from %s"
-	       " (reason=%d)\n",
-	       dev->name, print_mac(mac, mgmt->sa), reason_code);
-
-	if (ifsta->flags & IEEE80211_STA_AUTHENTICATED) {
-		printk(KERN_DEBUG "%s: deauthenticated\n", dev->name);
-	}
-
-	if (ifsta->state == IEEE80211_AUTHENTICATE ||
-	    ifsta->state == IEEE80211_ASSOCIATE ||
-	    ifsta->state == IEEE80211_ASSOCIATED) {
-		ifsta->state = IEEE80211_AUTHENTICATE;
-		mod_timer(&ifsta->timer, jiffies +
-				      IEEE80211_RETRY_AUTH_INTERVAL);
-	}
-
-	ieee80211_set_disassoc(dev, ifsta, 1);
-	ifsta->flags &= ~IEEE80211_STA_AUTHENTICATED;
-}
-
-
-static void ieee80211_rx_mgmt_disassoc(struct net_device *dev,
-				       struct ieee80211_if_sta *ifsta,
-				       struct ieee80211_mgmt *mgmt,
-				       size_t len)
-{
-	u16 reason_code;
-	DECLARE_MAC_BUF(mac);
-
-	if (len < 24 + 2) {
-		printk(KERN_DEBUG "%s: too short (%zd) disassociation frame "
-		       "received from %s - ignored\n",
-		       dev->name, len, print_mac(mac, mgmt->sa));
-		return;
-	}
-
-	if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
-		printk(KERN_DEBUG "%s: disassociation frame received from "
-		       "unknown AP (SA=%s BSSID=%s) - "
-		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
-		       print_mac(mac, mgmt->bssid));
-		return;
-	}
-
-	reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code);
-
-	printk(KERN_DEBUG "%s: RX disassociation from %s"
-	       " (reason=%d)\n",
-	       dev->name, print_mac(mac, mgmt->sa), reason_code);
-
-	if (ifsta->flags & IEEE80211_STA_ASSOCIATED)
-		printk(KERN_DEBUG "%s: disassociated\n", dev->name);
-
-	if (ifsta->state == IEEE80211_ASSOCIATED) {
-		ifsta->state = IEEE80211_ASSOCIATE;
-		mod_timer(&ifsta->timer, jiffies +
-				      IEEE80211_RETRY_AUTH_INTERVAL);
-	}
-
-	ieee80211_set_disassoc(dev, ifsta, 0);
-}
-
-
-static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
-					 struct ieee80211_if_sta *ifsta,
-					 struct ieee80211_mgmt *mgmt,
-					 size_t len,
-					 int reassoc)
-{
-	struct ieee80211_local *local = sdata->local;
-	struct net_device *dev = sdata->dev;
-	struct ieee80211_supported_band *sband;
-	struct sta_info *sta;
-	u64 rates, basic_rates;
-	u16 capab_info, status_code, aid;
-	struct ieee802_11_elems elems;
-	struct ieee80211_bss_conf *bss_conf = &sdata->bss_conf;
-	u8 *pos;
-	int i, j;
-	DECLARE_MAC_BUF(mac);
-	bool have_higher_than_11mbit = false;
-
-	/* AssocResp and ReassocResp have identical structure, so process both
-	 * of them in this function. */
-
-	if (ifsta->state != IEEE80211_ASSOCIATE) {
-		printk(KERN_DEBUG "%s: association frame received from "
-		       "%s, but not in associate state - ignored\n",
-		       dev->name, print_mac(mac, mgmt->sa));
-		return;
-	}
-
-	if (len < 24 + 6) {
-		printk(KERN_DEBUG "%s: too short (%zd) association frame "
-		       "received from %s - ignored\n",
-		       dev->name, len, print_mac(mac, mgmt->sa));
-		return;
-	}
-
-	if (memcmp(ifsta->bssid, mgmt->sa, ETH_ALEN) != 0) {
-		printk(KERN_DEBUG "%s: association frame received from "
-		       "unknown AP (SA=%s BSSID=%s) - "
-		       "ignored\n", dev->name, print_mac(mac, mgmt->sa),
-		       print_mac(mac, mgmt->bssid));
-		return;
-	}
-
-	capab_info = le16_to_cpu(mgmt->u.assoc_resp.capab_info);
-	status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code);
-	aid = le16_to_cpu(mgmt->u.assoc_resp.aid);
-
-	printk(KERN_DEBUG "%s: RX %sssocResp from %s (capab=0x%x "
-	       "status=%d aid=%d)\n",
-	       dev->name, reassoc ? "Rea" : "A", print_mac(mac, mgmt->sa),
-	       capab_info, status_code, (u16)(aid & ~(BIT(15) | BIT(14))));
-
-	if (status_code != WLAN_STATUS_SUCCESS) {
-		printk(KERN_DEBUG "%s: AP denied association (code=%d)\n",
-		       dev->name, status_code);
-		/* if this was a reassociation, ensure we try a "full"
-		 * association next time. This works around some broken APs
-		 * which do not correctly reject reassociation requests. */
-		ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
-		return;
-	}
-
-	if ((aid & (BIT(15) | BIT(14))) != (BIT(15) | BIT(14)))
-		printk(KERN_DEBUG "%s: invalid aid value %d; bits 15:14 not "
-		       "set\n", dev->name, aid);
-	aid &= ~(BIT(15) | BIT(14));
-
-	pos = mgmt->u.assoc_resp.variable;
-	ieee802_11_parse_elems(pos, len - (pos - (u8 *) mgmt), &elems);
-
-	if (!elems.supp_rates) {
-		printk(KERN_DEBUG "%s: no SuppRates element in AssocResp\n",
-		       dev->name);
-		return;
-	}
-
-	printk(KERN_DEBUG "%s: associated\n", dev->name);
-	ifsta->aid = aid;
-	ifsta->ap_capab = capab_info;
-
-	kfree(ifsta->assocresp_ies);
-	ifsta->assocresp_ies_len = len - (pos - (u8 *) mgmt);
-	ifsta->assocresp_ies = kmalloc(ifsta->assocresp_ies_len, GFP_KERNEL);
-	if (ifsta->assocresp_ies)
-		memcpy(ifsta->assocresp_ies, pos, ifsta->assocresp_ies_len);
-
-	rcu_read_lock();
-
-	/* Add STA entry for the AP */
-	sta = sta_info_get(local, ifsta->bssid);
-	if (!sta) {
-		struct ieee80211_sta_bss *bss;
-		int err;
-
-		sta = sta_info_alloc(sdata, ifsta->bssid, GFP_ATOMIC);
-		if (!sta) {
-			printk(KERN_DEBUG "%s: failed to alloc STA entry for"
-			       " the AP\n", dev->name);
-			rcu_read_unlock();
-			return;
-		}
-		bss = ieee80211_rx_bss_get(dev, ifsta->bssid,
-					   local->hw.conf.channel->center_freq,
-					   ifsta->ssid, ifsta->ssid_len);
-		if (bss) {
-			sta->last_rssi = bss->rssi;
-			sta->last_signal = bss->signal;
-			sta->last_noise = bss->noise;
-			ieee80211_rx_bss_put(dev, bss);
-		}
-
-		err = sta_info_insert(sta);
-		if (err) {
-			printk(KERN_DEBUG "%s: failed to insert STA entry for"
-			       " the AP (error %d)\n", dev->name, err);
-			rcu_read_unlock();
-			return;
-		}
-	}
-
-	/*
-	 * FIXME: Do we really need to update the sta_info's information here?
-	 *	  We already know about the AP (we found it in our list) so it
-	 *	  should already be filled with the right info, no?
-	 *	  As is stands, all this is racy because typically we assume
-	 *	  the information that is filled in here (except flags) doesn't
-	 *	  change while a STA structure is alive. As such, it should move
-	 *	  to between the sta_info_alloc() and sta_info_insert() above.
-	 */
-
-	sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC | WLAN_STA_ASSOC_AP |
-		      WLAN_STA_AUTHORIZED;
-
-	rates = 0;
-	basic_rates = 0;
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-	for (i = 0; i < elems.supp_rates_len; i++) {
-		int rate = (elems.supp_rates[i] & 0x7f) * 5;
-
-		if (rate > 110)
-			have_higher_than_11mbit = true;
-
-		for (j = 0; j < sband->n_bitrates; j++) {
-			if (sband->bitrates[j].bitrate == rate)
-				rates |= BIT(j);
-			if (elems.supp_rates[i] & 0x80)
-				basic_rates |= BIT(j);
-		}
-	}
-
-	for (i = 0; i < elems.ext_supp_rates_len; i++) {
-		int rate = (elems.ext_supp_rates[i] & 0x7f) * 5;
-
-		if (rate > 110)
-			have_higher_than_11mbit = true;
-
-		for (j = 0; j < sband->n_bitrates; j++) {
-			if (sband->bitrates[j].bitrate == rate)
-				rates |= BIT(j);
-			if (elems.ext_supp_rates[i] & 0x80)
-				basic_rates |= BIT(j);
-		}
-	}
-
-	sta->supp_rates[local->hw.conf.channel->band] = rates;
-	sdata->basic_rates = basic_rates;
-
-	/* cf. IEEE 802.11 9.2.12 */
-	if (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ &&
-	    have_higher_than_11mbit)
-		sdata->flags |= IEEE80211_SDATA_OPERATING_GMODE;
-	else
-		sdata->flags &= ~IEEE80211_SDATA_OPERATING_GMODE;
-
-	if (elems.ht_cap_elem && elems.ht_info_elem && elems.wmm_param) {
-		struct ieee80211_ht_bss_info bss_info;
-		ieee80211_ht_cap_ie_to_ht_info(
-				(struct ieee80211_ht_cap *)
-				elems.ht_cap_elem, &sta->ht_info);
-		ieee80211_ht_addt_info_ie_to_ht_bss_info(
-				(struct ieee80211_ht_addt_info *)
-				elems.ht_info_elem, &bss_info);
-		ieee80211_handle_ht(local, 1, &sta->ht_info, &bss_info);
-	}
-
-	rate_control_rate_init(sta, local);
-
-	if (elems.wmm_param && (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
-		sta->flags |= WLAN_STA_WME;
-		rcu_read_unlock();
-		ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param,
-					 elems.wmm_param_len);
-	} else
-		rcu_read_unlock();
-
-	/* set AID and assoc capability,
-	 * ieee80211_set_associated() will tell the driver */
-	bss_conf->aid = aid;
-	bss_conf->assoc_capability = capab_info;
-	ieee80211_set_associated(dev, ifsta, 1);
-
-	ieee80211_associated(dev, ifsta);
-}
-
-
-/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_add(struct net_device *dev,
-					struct ieee80211_sta_bss *bss)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	u8 hash_idx;
-
-	if (bss_mesh_cfg(bss))
-		hash_idx = mesh_id_hash(bss_mesh_id(bss),
-					bss_mesh_id_len(bss));
-	else
-		hash_idx = STA_HASH(bss->bssid);
-
-	bss->hnext = local->sta_bss_hash[hash_idx];
-	local->sta_bss_hash[hash_idx] = bss;
-}
-
-
-/* Caller must hold local->sta_bss_lock */
-static void __ieee80211_rx_bss_hash_del(struct net_device *dev,
-					struct ieee80211_sta_bss *bss)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *b, *prev = NULL;
-	b = local->sta_bss_hash[STA_HASH(bss->bssid)];
-	while (b) {
-		if (b == bss) {
-			if (!prev)
-				local->sta_bss_hash[STA_HASH(bss->bssid)] =
-					bss->hnext;
-			else
-				prev->hnext = bss->hnext;
-			break;
-		}
-		prev = b;
-		b = b->hnext;
-	}
-}
-
-
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_add(struct net_device *dev, u8 *bssid, int freq,
-		     u8 *ssid, u8 ssid_len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-
-	bss = kzalloc(sizeof(*bss), GFP_ATOMIC);
-	if (!bss)
-		return NULL;
-	atomic_inc(&bss->users);
-	atomic_inc(&bss->users);
-	memcpy(bss->bssid, bssid, ETH_ALEN);
-	bss->freq = freq;
-	if (ssid && ssid_len <= IEEE80211_MAX_SSID_LEN) {
-		memcpy(bss->ssid, ssid, ssid_len);
-		bss->ssid_len = ssid_len;
-	}
-
-	spin_lock_bh(&local->sta_bss_lock);
-	/* TODO: order by RSSI? */
-	list_add_tail(&bss->list, &local->sta_bss_list);
-	__ieee80211_rx_bss_hash_add(dev, bss);
-	spin_unlock_bh(&local->sta_bss_lock);
-	return bss;
-}
-
-static struct ieee80211_sta_bss *
-ieee80211_rx_bss_get(struct net_device *dev, u8 *bssid, int freq,
-		     u8 *ssid, u8 ssid_len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-
-	spin_lock_bh(&local->sta_bss_lock);
-	bss = local->sta_bss_hash[STA_HASH(bssid)];
-	while (bss) {
-		if (!bss_mesh_cfg(bss) &&
-		    !memcmp(bss->bssid, bssid, ETH_ALEN) &&
-		    bss->freq == freq &&
-		    bss->ssid_len == ssid_len &&
-		    (ssid_len == 0 || !memcmp(bss->ssid, ssid, ssid_len))) {
-			atomic_inc(&bss->users);
-			break;
-		}
-		bss = bss->hnext;
-	}
-	spin_unlock_bh(&local->sta_bss_lock);
-	return bss;
-}
-
-#ifdef CONFIG_MAC80211_MESH
-static struct ieee80211_sta_bss *
-ieee80211_rx_mesh_bss_get(struct net_device *dev, u8 *mesh_id, int mesh_id_len,
-			  u8 *mesh_cfg, int freq)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-
-	spin_lock_bh(&local->sta_bss_lock);
-	bss = local->sta_bss_hash[mesh_id_hash(mesh_id, mesh_id_len)];
-	while (bss) {
-		if (bss_mesh_cfg(bss) &&
-		    !memcmp(bss_mesh_cfg(bss), mesh_cfg, MESH_CFG_CMP_LEN) &&
-		    bss->freq == freq &&
-		    mesh_id_len == bss->mesh_id_len &&
-		    (mesh_id_len == 0 || !memcmp(bss->mesh_id, mesh_id,
-						 mesh_id_len))) {
-			atomic_inc(&bss->users);
-			break;
-		}
-		bss = bss->hnext;
-	}
-	spin_unlock_bh(&local->sta_bss_lock);
-	return bss;
-}
-
-static struct ieee80211_sta_bss *
-ieee80211_rx_mesh_bss_add(struct net_device *dev, u8 *mesh_id, int mesh_id_len,
-			  u8 *mesh_cfg, int mesh_config_len, int freq)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-
-	if (mesh_config_len != MESH_CFG_LEN)
-		return NULL;
-
-	bss = kzalloc(sizeof(*bss), GFP_ATOMIC);
-	if (!bss)
-		return NULL;
-
-	bss->mesh_cfg = kmalloc(MESH_CFG_CMP_LEN, GFP_ATOMIC);
-	if (!bss->mesh_cfg) {
-		kfree(bss);
-		return NULL;
-	}
-
-	if (mesh_id_len && mesh_id_len <= IEEE80211_MAX_MESH_ID_LEN) {
-		bss->mesh_id = kmalloc(mesh_id_len, GFP_ATOMIC);
-		if (!bss->mesh_id) {
-			kfree(bss->mesh_cfg);
-			kfree(bss);
-			return NULL;
-		}
-		memcpy(bss->mesh_id, mesh_id, mesh_id_len);
-	}
-
-	atomic_inc(&bss->users);
-	atomic_inc(&bss->users);
-	memcpy(bss->mesh_cfg, mesh_cfg, MESH_CFG_CMP_LEN);
-	bss->mesh_id_len = mesh_id_len;
-	bss->freq = freq;
-	spin_lock_bh(&local->sta_bss_lock);
-	/* TODO: order by RSSI? */
-	list_add_tail(&bss->list, &local->sta_bss_list);
-	__ieee80211_rx_bss_hash_add(dev, bss);
-	spin_unlock_bh(&local->sta_bss_lock);
-	return bss;
-}
-#endif
-
-static void ieee80211_rx_bss_free(struct ieee80211_sta_bss *bss)
-{
-	kfree(bss->wpa_ie);
-	kfree(bss->rsn_ie);
-	kfree(bss->wmm_ie);
-	kfree(bss->ht_ie);
-	kfree(bss_mesh_id(bss));
-	kfree(bss_mesh_cfg(bss));
-	kfree(bss);
-}
-
-
-static void ieee80211_rx_bss_put(struct net_device *dev,
-				 struct ieee80211_sta_bss *bss)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	if (!atomic_dec_and_test(&bss->users))
-		return;
-
-	spin_lock_bh(&local->sta_bss_lock);
-	__ieee80211_rx_bss_hash_del(dev, bss);
-	list_del(&bss->list);
-	spin_unlock_bh(&local->sta_bss_lock);
-	ieee80211_rx_bss_free(bss);
-}
-
-
-void ieee80211_rx_bss_list_init(struct net_device *dev)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	spin_lock_init(&local->sta_bss_lock);
-	INIT_LIST_HEAD(&local->sta_bss_list);
-}
-
-
-void ieee80211_rx_bss_list_deinit(struct net_device *dev)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss, *tmp;
-
-	list_for_each_entry_safe(bss, tmp, &local->sta_bss_list, list)
-		ieee80211_rx_bss_put(dev, bss);
-}
-
-
-static int ieee80211_sta_join_ibss(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta,
-				   struct ieee80211_sta_bss *bss)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	int res, rates, i, j;
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *mgmt;
-	struct ieee80211_tx_control control;
-	struct rate_selection ratesel;
-	u8 *pos;
-	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_supported_band *sband;
-
-	sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	/* Remove possible STA entries from other IBSS networks. */
-	sta_info_flush_delayed(sdata);
-
-	if (local->ops->reset_tsf) {
-		/* Reset own TSF to allow time synchronization work. */
-		local->ops->reset_tsf(local_to_hw(local));
-	}
-	memcpy(ifsta->bssid, bss->bssid, ETH_ALEN);
-	res = ieee80211_if_config(dev);
-	if (res)
-		return res;
-
-	local->hw.conf.beacon_int = bss->beacon_int >= 10 ? bss->beacon_int : 10;
-
-	sdata->drop_unencrypted = bss->capability &
-		WLAN_CAPABILITY_PRIVACY ? 1 : 0;
-
-	res = ieee80211_set_freq(local, bss->freq);
-
-	if (local->oper_channel->flags & IEEE80211_CHAN_NO_IBSS) {
-		printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
-		       "%d MHz\n", dev->name, local->oper_channel->center_freq);
-		return -1;
-	}
-
-	/* Set beacon template */
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + 400);
-	do {
-		if (!skb)
-			break;
-
-		skb_reserve(skb, local->hw.extra_tx_headroom);
-
-		mgmt = (struct ieee80211_mgmt *)
-			skb_put(skb, 24 + sizeof(mgmt->u.beacon));
-		memset(mgmt, 0, 24 + sizeof(mgmt->u.beacon));
-		mgmt->frame_control = IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-						   IEEE80211_STYPE_BEACON);
-		memset(mgmt->da, 0xff, ETH_ALEN);
-		memcpy(mgmt->sa, dev->dev_addr, ETH_ALEN);
-		memcpy(mgmt->bssid, ifsta->bssid, ETH_ALEN);
-		mgmt->u.beacon.beacon_int =
-			cpu_to_le16(local->hw.conf.beacon_int);
-		mgmt->u.beacon.capab_info = cpu_to_le16(bss->capability);
-
-		pos = skb_put(skb, 2 + ifsta->ssid_len);
-		*pos++ = WLAN_EID_SSID;
-		*pos++ = ifsta->ssid_len;
-		memcpy(pos, ifsta->ssid, ifsta->ssid_len);
-
-		rates = bss->supp_rates_len;
-		if (rates > 8)
-			rates = 8;
-		pos = skb_put(skb, 2 + rates);
-		*pos++ = WLAN_EID_SUPP_RATES;
-		*pos++ = rates;
-		memcpy(pos, bss->supp_rates, rates);
-
-		if (bss->band == IEEE80211_BAND_2GHZ) {
-			pos = skb_put(skb, 2 + 1);
-			*pos++ = WLAN_EID_DS_PARAMS;
-			*pos++ = 1;
-			*pos++ = ieee80211_frequency_to_channel(bss->freq);
-		}
-
-		pos = skb_put(skb, 2 + 2);
-		*pos++ = WLAN_EID_IBSS_PARAMS;
-		*pos++ = 2;
-		/* FIX: set ATIM window based on scan results */
-		*pos++ = 0;
-		*pos++ = 0;
-
-		if (bss->supp_rates_len > 8) {
-			rates = bss->supp_rates_len - 8;
-			pos = skb_put(skb, 2 + rates);
-			*pos++ = WLAN_EID_EXT_SUPP_RATES;
-			*pos++ = rates;
-			memcpy(pos, &bss->supp_rates[8], rates);
-		}
-
-		memset(&control, 0, sizeof(control));
-		rate_control_get_rate(dev, sband, skb, &ratesel);
-		if (!ratesel.rate) {
-			printk(KERN_DEBUG "%s: Failed to determine TX rate "
-			       "for IBSS beacon\n", dev->name);
-			break;
-		}
-		control.vif = &sdata->vif;
-		control.tx_rate = ratesel.rate;
-		if (sdata->bss_conf.use_short_preamble &&
-		    ratesel.rate->flags & IEEE80211_RATE_SHORT_PREAMBLE)
-			control.flags |= IEEE80211_TXCTL_SHORT_PREAMBLE;
-		control.antenna_sel_tx = local->hw.conf.antenna_sel_tx;
-		control.flags |= IEEE80211_TXCTL_NO_ACK;
-		control.retry_limit = 1;
-
-		ifsta->probe_resp = skb_copy(skb, GFP_ATOMIC);
-		if (ifsta->probe_resp) {
-			mgmt = (struct ieee80211_mgmt *)
-				ifsta->probe_resp->data;
-			mgmt->frame_control =
-				IEEE80211_FC(IEEE80211_FTYPE_MGMT,
-					     IEEE80211_STYPE_PROBE_RESP);
-		} else {
-			printk(KERN_DEBUG "%s: Could not allocate ProbeResp "
-			       "template for IBSS\n", dev->name);
-		}
-
-		if (local->ops->beacon_update &&
-		    local->ops->beacon_update(local_to_hw(local),
-					     skb, &control) == 0) {
-			printk(KERN_DEBUG "%s: Configured IBSS beacon "
-			       "template\n", dev->name);
-			skb = NULL;
-		}
-
-		rates = 0;
-		sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-		for (i = 0; i < bss->supp_rates_len; i++) {
-			int bitrate = (bss->supp_rates[i] & 0x7f) * 5;
-			for (j = 0; j < sband->n_bitrates; j++)
-				if (sband->bitrates[j].bitrate == bitrate)
-					rates |= BIT(j);
-		}
-		ifsta->supp_rates_bits[local->hw.conf.channel->band] = rates;
-
-		ieee80211_sta_def_wmm_params(dev, bss, 1);
-	} while (0);
-
-	if (skb) {
-		printk(KERN_DEBUG "%s: Failed to configure IBSS beacon "
-		       "template\n", dev->name);
-		dev_kfree_skb(skb);
-	}
-
-	ifsta->state = IEEE80211_IBSS_JOINED;
-	mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
-
-	ieee80211_rx_bss_put(dev, bss);
-
-	return res;
-}
-
-u64 ieee80211_sta_get_rates(struct ieee80211_local *local,
-			    struct ieee802_11_elems *elems,
-			    enum ieee80211_band band)
-{
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_rate *bitrates;
-	size_t num_rates;
-	u64 supp_rates;
-	int i, j;
-	sband = local->hw.wiphy->bands[band];
-
-	if (!sband) {
-		WARN_ON(1);
-		sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
-	}
-
-	bitrates = sband->bitrates;
-	num_rates = sband->n_bitrates;
-	supp_rates = 0;
-	for (i = 0; i < elems->supp_rates_len +
-		     elems->ext_supp_rates_len; i++) {
-		u8 rate = 0;
-		int own_rate;
-		if (i < elems->supp_rates_len)
-			rate = elems->supp_rates[i];
-		else if (elems->ext_supp_rates)
-			rate = elems->ext_supp_rates
-				[i - elems->supp_rates_len];
-		own_rate = 5 * (rate & 0x7f);
-		for (j = 0; j < num_rates; j++)
-			if (bitrates[j].bitrate == own_rate)
-				supp_rates |= BIT(j);
-	}
-	return supp_rates;
-}
-
-
-static void ieee80211_rx_bss_info(struct net_device *dev,
-				  struct ieee80211_mgmt *mgmt,
-				  size_t len,
-				  struct ieee80211_rx_status *rx_status,
-				  int beacon)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee802_11_elems elems;
-	size_t baselen;
-	int freq, clen;
-	struct ieee80211_sta_bss *bss;
-	struct sta_info *sta;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	u64 beacon_timestamp, rx_timestamp;
-	struct ieee80211_channel *channel;
-	DECLARE_MAC_BUF(mac);
-	DECLARE_MAC_BUF(mac2);
-
-	if (!beacon && memcmp(mgmt->da, dev->dev_addr, ETH_ALEN))
-		return; /* ignore ProbeResp to foreign address */
-
-#if 0
-	printk(KERN_DEBUG "%s: RX %s from %s to %s\n",
-	       dev->name, beacon ? "Beacon" : "Probe Response",
-	       print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da));
-#endif
-
-	baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
-	if (baselen > len)
-		return;
-
-	beacon_timestamp = le64_to_cpu(mgmt->u.beacon.timestamp);
-	ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems);
-
-	if (ieee80211_vif_is_mesh(&sdata->vif) && elems.mesh_id &&
-	    elems.mesh_config && mesh_matches_local(&elems, dev)) {
-		u64 rates = ieee80211_sta_get_rates(local, &elems,
-						rx_status->band);
-
-		mesh_neighbour_update(mgmt->sa, rates, dev,
-				      mesh_peer_accepts_plinks(&elems, dev));
-	}
-
-	rcu_read_lock();
-
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && elems.supp_rates &&
-	    memcmp(mgmt->bssid, sdata->u.sta.bssid, ETH_ALEN) == 0 &&
-	    (sta = sta_info_get(local, mgmt->sa))) {
-		u64 prev_rates;
-		u64 supp_rates = ieee80211_sta_get_rates(local, &elems,
-							rx_status->band);
-
-		prev_rates = sta->supp_rates[rx_status->band];
-		sta->supp_rates[rx_status->band] &= supp_rates;
-		if (sta->supp_rates[rx_status->band] == 0) {
-			/* No matching rates - this should not really happen.
-			 * Make sure that at least one rate is marked
-			 * supported to avoid issues with TX rate ctrl. */
-			sta->supp_rates[rx_status->band] =
-				sdata->u.sta.supp_rates_bits[rx_status->band];
-		}
-		if (sta->supp_rates[rx_status->band] != prev_rates) {
-			printk(KERN_DEBUG "%s: updated supp_rates set for "
-			       "%s based on beacon info (0x%llx & 0x%llx -> "
-			       "0x%llx)\n",
-			       dev->name, print_mac(mac, sta->addr),
-			       (unsigned long long) prev_rates,
-			       (unsigned long long) supp_rates,
-			       (unsigned long long) sta->supp_rates[rx_status->band]);
-		}
-	}
-
-	rcu_read_unlock();
-
-	if (elems.ds_params && elems.ds_params_len == 1)
-		freq = ieee80211_channel_to_frequency(elems.ds_params[0]);
-	else
-		freq = rx_status->freq;
-
-	channel = ieee80211_get_channel(local->hw.wiphy, freq);
-
-	if (!channel || channel->flags & IEEE80211_CHAN_DISABLED)
-		return;
-
-#ifdef CONFIG_MAC80211_MESH
-	if (elems.mesh_config)
-		bss = ieee80211_rx_mesh_bss_get(dev, elems.mesh_id,
-				elems.mesh_id_len, elems.mesh_config, freq);
-	else
-#endif
-		bss = ieee80211_rx_bss_get(dev, mgmt->bssid, freq,
-					   elems.ssid, elems.ssid_len);
-	if (!bss) {
-#ifdef CONFIG_MAC80211_MESH
-		if (elems.mesh_config)
-			bss = ieee80211_rx_mesh_bss_add(dev, elems.mesh_id,
-				elems.mesh_id_len, elems.mesh_config,
-				elems.mesh_config_len, freq);
-		else
-#endif
-			bss = ieee80211_rx_bss_add(dev, mgmt->bssid, freq,
-						   elems.ssid, elems.ssid_len);
-		if (!bss)
-			return;
-	} else {
-#if 0
-		/* TODO: order by RSSI? */
-		spin_lock_bh(&local->sta_bss_lock);
-		list_move_tail(&bss->list, &local->sta_bss_list);
-		spin_unlock_bh(&local->sta_bss_lock);
-#endif
-	}
-
-	bss->band = rx_status->band;
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-	    bss->probe_resp && beacon) {
-		/* STA mode:
-		 * Do not allow beacon to override data from Probe Response. */
-		ieee80211_rx_bss_put(dev, bss);
-		return;
-	}
-
-	/* save the ERP value so that it is available at association time */
-	if (elems.erp_info && elems.erp_info_len >= 1) {
-		bss->erp_value = elems.erp_info[0];
-		bss->has_erp_value = 1;
-	}
-
-	bss->beacon_int = le16_to_cpu(mgmt->u.beacon.beacon_int);
-	bss->capability = le16_to_cpu(mgmt->u.beacon.capab_info);
-
-	bss->supp_rates_len = 0;
-	if (elems.supp_rates) {
-		clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
-		if (clen > elems.supp_rates_len)
-			clen = elems.supp_rates_len;
-		memcpy(&bss->supp_rates[bss->supp_rates_len], elems.supp_rates,
-		       clen);
-		bss->supp_rates_len += clen;
-	}
-	if (elems.ext_supp_rates) {
-		clen = IEEE80211_MAX_SUPP_RATES - bss->supp_rates_len;
-		if (clen > elems.ext_supp_rates_len)
-			clen = elems.ext_supp_rates_len;
-		memcpy(&bss->supp_rates[bss->supp_rates_len],
-		       elems.ext_supp_rates, clen);
-		bss->supp_rates_len += clen;
-	}
-
-	if (elems.wpa &&
-	    (!bss->wpa_ie || bss->wpa_ie_len != elems.wpa_len ||
-	     memcmp(bss->wpa_ie, elems.wpa, elems.wpa_len))) {
-		kfree(bss->wpa_ie);
-		bss->wpa_ie = kmalloc(elems.wpa_len + 2, GFP_ATOMIC);
-		if (bss->wpa_ie) {
-			memcpy(bss->wpa_ie, elems.wpa - 2, elems.wpa_len + 2);
-			bss->wpa_ie_len = elems.wpa_len + 2;
-		} else
-			bss->wpa_ie_len = 0;
-	} else if (!elems.wpa && bss->wpa_ie) {
-		kfree(bss->wpa_ie);
-		bss->wpa_ie = NULL;
-		bss->wpa_ie_len = 0;
-	}
-
-	if (elems.rsn &&
-	    (!bss->rsn_ie || bss->rsn_ie_len != elems.rsn_len ||
-	     memcmp(bss->rsn_ie, elems.rsn, elems.rsn_len))) {
-		kfree(bss->rsn_ie);
-		bss->rsn_ie = kmalloc(elems.rsn_len + 2, GFP_ATOMIC);
-		if (bss->rsn_ie) {
-			memcpy(bss->rsn_ie, elems.rsn - 2, elems.rsn_len + 2);
-			bss->rsn_ie_len = elems.rsn_len + 2;
-		} else
-			bss->rsn_ie_len = 0;
-	} else if (!elems.rsn && bss->rsn_ie) {
-		kfree(bss->rsn_ie);
-		bss->rsn_ie = NULL;
-		bss->rsn_ie_len = 0;
-	}
-
-	if (elems.wmm_param &&
-	    (!bss->wmm_ie || bss->wmm_ie_len != elems.wmm_param_len ||
-	     memcmp(bss->wmm_ie, elems.wmm_param, elems.wmm_param_len))) {
-		kfree(bss->wmm_ie);
-		bss->wmm_ie = kmalloc(elems.wmm_param_len + 2, GFP_ATOMIC);
-		if (bss->wmm_ie) {
-			memcpy(bss->wmm_ie, elems.wmm_param - 2,
-			       elems.wmm_param_len + 2);
-			bss->wmm_ie_len = elems.wmm_param_len + 2;
-		} else
-			bss->wmm_ie_len = 0;
-	} else if (!elems.wmm_param && bss->wmm_ie) {
-		kfree(bss->wmm_ie);
-		bss->wmm_ie = NULL;
-		bss->wmm_ie_len = 0;
-	}
-	if (elems.ht_cap_elem &&
-	    (!bss->ht_ie || bss->ht_ie_len != elems.ht_cap_elem_len ||
-	     memcmp(bss->ht_ie, elems.ht_cap_elem, elems.ht_cap_elem_len))) {
-		kfree(bss->ht_ie);
-		bss->ht_ie = kmalloc(elems.ht_cap_elem_len + 2, GFP_ATOMIC);
-		if (bss->ht_ie) {
-			memcpy(bss->ht_ie, elems.ht_cap_elem - 2,
-			       elems.ht_cap_elem_len + 2);
-			bss->ht_ie_len = elems.ht_cap_elem_len + 2;
-		} else
-			bss->ht_ie_len = 0;
-	} else if (!elems.ht_cap_elem && bss->ht_ie) {
-		kfree(bss->ht_ie);
-		bss->ht_ie = NULL;
-		bss->ht_ie_len = 0;
-	}
-
-	bss->timestamp = beacon_timestamp;
-	bss->last_update = jiffies;
-	bss->rssi = rx_status->ssi;
-	bss->signal = rx_status->signal;
-	bss->noise = rx_status->noise;
-	if (!beacon)
-		bss->probe_resp++;
-
-	/* check if we need to merge IBSS */
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS && beacon &&
-	    !local->sta_sw_scanning && !local->sta_hw_scanning &&
-	    bss->capability & WLAN_CAPABILITY_IBSS &&
-	    bss->freq == local->oper_channel->center_freq &&
-	    elems.ssid_len == sdata->u.sta.ssid_len &&
-	    memcmp(elems.ssid, sdata->u.sta.ssid, sdata->u.sta.ssid_len) == 0) {
-		if (rx_status->flag & RX_FLAG_TSFT) {
-			/* in order for correct IBSS merging we need mactime
-			 *
-			 * since mactime is defined as the time the first data
-			 * symbol of the frame hits the PHY, and the timestamp
-			 * of the beacon is defined as "the time that the data
-			 * symbol containing the first bit of the timestamp is
-			 * transmitted to the PHY plus the transmitting STA’s
-			 * delays through its local PHY from the MAC-PHY
-			 * interface to its interface with the WM"
-			 * (802.11 11.1.2) - equals the time this bit arrives at
-			 * the receiver - we have to take into account the
-			 * offset between the two.
-			 * e.g: at 1 MBit that means mactime is 192 usec earlier
-			 * (=24 bytes * 8 usecs/byte) than the beacon timestamp.
-			 */
-			int rate = local->hw.wiphy->bands[rx_status->band]->
-					bitrates[rx_status->rate_idx].bitrate;
-			rx_timestamp = rx_status->mactime + (24 * 8 * 10 / rate);
-		} else if (local && local->ops && local->ops->get_tsf)
-			/* second best option: get current TSF */
-			rx_timestamp = local->ops->get_tsf(local_to_hw(local));
-		else
-			/* can't merge without knowing the TSF */
-			rx_timestamp = -1LLU;
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-		printk(KERN_DEBUG "RX beacon SA=%s BSSID="
-		       "%s TSF=0x%llx BCN=0x%llx diff=%lld @%lu\n",
-		       print_mac(mac, mgmt->sa),
-		       print_mac(mac2, mgmt->bssid),
-		       (unsigned long long)rx_timestamp,
-		       (unsigned long long)beacon_timestamp,
-		       (unsigned long long)(rx_timestamp - beacon_timestamp),
-		       jiffies);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-		if (beacon_timestamp > rx_timestamp) {
-#ifndef CONFIG_MAC80211_IBSS_DEBUG
-			if (net_ratelimit())
-#endif
-				printk(KERN_DEBUG "%s: beacon TSF higher than "
-				       "local TSF - IBSS merge with BSSID %s\n",
-				       dev->name, print_mac(mac, mgmt->bssid));
-			ieee80211_sta_join_ibss(dev, &sdata->u.sta, bss);
-			ieee80211_ibss_add_sta(dev, NULL,
-					       mgmt->bssid, mgmt->sa);
-		}
-	}
-
-	ieee80211_rx_bss_put(dev, bss);
-}
-
-
-static void ieee80211_rx_mgmt_probe_resp(struct net_device *dev,
-					 struct ieee80211_mgmt *mgmt,
-					 size_t len,
-					 struct ieee80211_rx_status *rx_status)
-{
-	ieee80211_rx_bss_info(dev, mgmt, len, rx_status, 0);
-}
-
-
-static void ieee80211_rx_mgmt_beacon(struct net_device *dev,
-				     struct ieee80211_mgmt *mgmt,
-				     size_t len,
-				     struct ieee80211_rx_status *rx_status)
-{
-	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_if_sta *ifsta;
-	size_t baselen;
-	struct ieee802_11_elems elems;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_conf *conf = &local->hw.conf;
-	u32 changed = 0;
-
-	ieee80211_rx_bss_info(dev, mgmt, len, rx_status, 1);
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
-		return;
-	ifsta = &sdata->u.sta;
-
-	if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED) ||
-	    memcmp(ifsta->bssid, mgmt->bssid, ETH_ALEN) != 0)
-		return;
-
-	/* Process beacon from the current BSS */
-	baselen = (u8 *) mgmt->u.beacon.variable - (u8 *) mgmt;
-	if (baselen > len)
-		return;
-
-	ieee802_11_parse_elems(mgmt->u.beacon.variable, len - baselen, &elems);
-
-	if (elems.erp_info && elems.erp_info_len >= 1)
-		changed |= ieee80211_handle_erp_ie(sdata, elems.erp_info[0]);
-
-	if (elems.ht_cap_elem && elems.ht_info_elem &&
-	    elems.wmm_param && conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) {
-		struct ieee80211_ht_bss_info bss_info;
-
-		ieee80211_ht_addt_info_ie_to_ht_bss_info(
-				(struct ieee80211_ht_addt_info *)
-				elems.ht_info_elem, &bss_info);
-		changed |= ieee80211_handle_ht(local, 1, &conf->ht_conf,
-					       &bss_info);
-	}
-
-	if (elems.wmm_param && (ifsta->flags & IEEE80211_STA_WMM_ENABLED)) {
-		ieee80211_sta_wmm_params(dev, ifsta, elems.wmm_param,
-					 elems.wmm_param_len);
-	}
-
-	ieee80211_bss_info_change_notify(sdata, changed);
-}
-
-
-static void ieee80211_rx_mgmt_probe_req(struct net_device *dev,
-					struct ieee80211_if_sta *ifsta,
-					struct ieee80211_mgmt *mgmt,
-					size_t len,
-					struct ieee80211_rx_status *rx_status)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	int tx_last_beacon;
-	struct sk_buff *skb;
-	struct ieee80211_mgmt *resp;
-	u8 *pos, *end;
-	DECLARE_MAC_BUF(mac);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-	DECLARE_MAC_BUF(mac2);
-	DECLARE_MAC_BUF(mac3);
-#endif
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_IBSS ||
-	    ifsta->state != IEEE80211_IBSS_JOINED ||
-	    len < 24 + 2 || !ifsta->probe_resp)
-		return;
-
-	if (local->ops->tx_last_beacon)
-		tx_last_beacon = local->ops->tx_last_beacon(local_to_hw(local));
-	else
-		tx_last_beacon = 1;
-
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-	printk(KERN_DEBUG "%s: RX ProbeReq SA=%s DA=%s BSSID="
-	       "%s (tx_last_beacon=%d)\n",
-	       dev->name, print_mac(mac, mgmt->sa), print_mac(mac2, mgmt->da),
-	       print_mac(mac3, mgmt->bssid), tx_last_beacon);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
-	if (!tx_last_beacon)
-		return;
-
-	if (memcmp(mgmt->bssid, ifsta->bssid, ETH_ALEN) != 0 &&
-	    memcmp(mgmt->bssid, "\xff\xff\xff\xff\xff\xff", ETH_ALEN) != 0)
-		return;
-
-	end = ((u8 *) mgmt) + len;
-	pos = mgmt->u.probe_req.variable;
-	if (pos[0] != WLAN_EID_SSID ||
-	    pos + 2 + pos[1] > end) {
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "%s: Invalid SSID IE in ProbeReq "
-			       "from %s\n",
-			       dev->name, print_mac(mac, mgmt->sa));
-		}
-		return;
-	}
-	if (pos[1] != 0 &&
-	    (pos[1] != ifsta->ssid_len ||
-	     memcmp(pos + 2, ifsta->ssid, ifsta->ssid_len) != 0)) {
-		/* Ignore ProbeReq for foreign SSID */
-		return;
-	}
-
-	/* Reply with ProbeResp */
-	skb = skb_copy(ifsta->probe_resp, GFP_KERNEL);
-	if (!skb)
-		return;
-
-	resp = (struct ieee80211_mgmt *) skb->data;
-	memcpy(resp->da, mgmt->sa, ETH_ALEN);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-	printk(KERN_DEBUG "%s: Sending ProbeResp to %s\n",
-	       dev->name, print_mac(mac, resp->da));
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-	ieee80211_sta_tx(dev, skb, 0);
-}
-
-static void ieee80211_rx_mgmt_action(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta,
-				     struct ieee80211_mgmt *mgmt,
-				     size_t len,
-				     struct ieee80211_rx_status *rx_status)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	if (len < IEEE80211_MIN_ACTION_SIZE)
-		return;
-
-	switch (mgmt->u.action.category) {
-	case WLAN_CATEGORY_BACK:
-		switch (mgmt->u.action.u.addba_req.action_code) {
-		case WLAN_ACTION_ADDBA_REQ:
-			if (len < (IEEE80211_MIN_ACTION_SIZE +
-				   sizeof(mgmt->u.action.u.addba_req)))
-				break;
-			ieee80211_sta_process_addba_request(dev, mgmt, len);
-			break;
-		case WLAN_ACTION_ADDBA_RESP:
-			if (len < (IEEE80211_MIN_ACTION_SIZE +
-				   sizeof(mgmt->u.action.u.addba_resp)))
-				break;
-			ieee80211_sta_process_addba_resp(dev, mgmt, len);
-			break;
-		case WLAN_ACTION_DELBA:
-			if (len < (IEEE80211_MIN_ACTION_SIZE +
-				   sizeof(mgmt->u.action.u.delba)))
-				break;
-			ieee80211_sta_process_delba(dev, mgmt, len);
-			break;
-		default:
-			if (net_ratelimit())
-			   printk(KERN_DEBUG "%s: Rx unknown A-MPDU action\n",
-					dev->name);
-			break;
-		}
-		break;
-	case PLINK_CATEGORY:
-		if (ieee80211_vif_is_mesh(&sdata->vif))
-			mesh_rx_plink_frame(dev, mgmt, len, rx_status);
-		break;
-	case MESH_PATH_SEL_CATEGORY:
-		if (ieee80211_vif_is_mesh(&sdata->vif))
-			mesh_rx_path_sel_frame(dev, mgmt, len);
-		break;
-	default:
-		if (net_ratelimit())
-			printk(KERN_DEBUG "%s: Rx unknown action frame - "
-			"category=%d\n", dev->name, mgmt->u.action.category);
-		break;
-	}
-}
-
-void ieee80211_sta_rx_mgmt(struct net_device *dev, struct sk_buff *skb,
-			   struct ieee80211_rx_status *rx_status)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_if_sta *ifsta;
-	struct ieee80211_mgmt *mgmt;
-	u16 fc;
-
-	if (skb->len < 24)
-		goto fail;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	ifsta = &sdata->u.sta;
-
-	mgmt = (struct ieee80211_mgmt *) skb->data;
-	fc = le16_to_cpu(mgmt->frame_control);
-
-	switch (fc & IEEE80211_FCTL_STYPE) {
-	case IEEE80211_STYPE_PROBE_REQ:
-	case IEEE80211_STYPE_PROBE_RESP:
-	case IEEE80211_STYPE_BEACON:
-	case IEEE80211_STYPE_ACTION:
-		memcpy(skb->cb, rx_status, sizeof(*rx_status));
-	case IEEE80211_STYPE_AUTH:
-	case IEEE80211_STYPE_ASSOC_RESP:
-	case IEEE80211_STYPE_REASSOC_RESP:
-	case IEEE80211_STYPE_DEAUTH:
-	case IEEE80211_STYPE_DISASSOC:
-		skb_queue_tail(&ifsta->skb_queue, skb);
-		queue_work(local->hw.workqueue, &ifsta->work);
-		return;
-	default:
-		printk(KERN_DEBUG "%s: received unknown management frame - "
-		       "stype=%d\n", dev->name,
-		       (fc & IEEE80211_FCTL_STYPE) >> 4);
-		break;
-	}
-
- fail:
-	kfree_skb(skb);
-}
-
-
-static void ieee80211_sta_rx_queued_mgmt(struct net_device *dev,
-					 struct sk_buff *skb)
-{
-	struct ieee80211_rx_status *rx_status;
-	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_if_sta *ifsta;
-	struct ieee80211_mgmt *mgmt;
-	u16 fc;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	ifsta = &sdata->u.sta;
-
-	rx_status = (struct ieee80211_rx_status *) skb->cb;
-	mgmt = (struct ieee80211_mgmt *) skb->data;
-	fc = le16_to_cpu(mgmt->frame_control);
-
-	switch (fc & IEEE80211_FCTL_STYPE) {
-	case IEEE80211_STYPE_PROBE_REQ:
-		ieee80211_rx_mgmt_probe_req(dev, ifsta, mgmt, skb->len,
-					    rx_status);
-		break;
-	case IEEE80211_STYPE_PROBE_RESP:
-		ieee80211_rx_mgmt_probe_resp(dev, mgmt, skb->len, rx_status);
-		break;
-	case IEEE80211_STYPE_BEACON:
-		ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len, rx_status);
-		break;
-	case IEEE80211_STYPE_AUTH:
-		ieee80211_rx_mgmt_auth(dev, ifsta, mgmt, skb->len);
-		break;
-	case IEEE80211_STYPE_ASSOC_RESP:
-		ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt, skb->len, 0);
-		break;
-	case IEEE80211_STYPE_REASSOC_RESP:
-		ieee80211_rx_mgmt_assoc_resp(sdata, ifsta, mgmt, skb->len, 1);
-		break;
-	case IEEE80211_STYPE_DEAUTH:
-		ieee80211_rx_mgmt_deauth(dev, ifsta, mgmt, skb->len);
-		break;
-	case IEEE80211_STYPE_DISASSOC:
-		ieee80211_rx_mgmt_disassoc(dev, ifsta, mgmt, skb->len);
-		break;
-	case IEEE80211_STYPE_ACTION:
-		ieee80211_rx_mgmt_action(dev, ifsta, mgmt, skb->len, rx_status);
-		break;
-	}
-
-	kfree_skb(skb);
-}
-
-
-ieee80211_rx_result
-ieee80211_sta_rx_scan(struct net_device *dev, struct sk_buff *skb,
-		      struct ieee80211_rx_status *rx_status)
-{
-	struct ieee80211_mgmt *mgmt;
-	u16 fc;
-
-	if (skb->len < 2)
-		return RX_DROP_UNUSABLE;
-
-	mgmt = (struct ieee80211_mgmt *) skb->data;
-	fc = le16_to_cpu(mgmt->frame_control);
-
-	if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_CTL)
-		return RX_CONTINUE;
-
-	if (skb->len < 24)
-		return RX_DROP_MONITOR;
-
-	if ((fc & IEEE80211_FCTL_FTYPE) == IEEE80211_FTYPE_MGMT) {
-		if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_PROBE_RESP) {
-			ieee80211_rx_mgmt_probe_resp(dev, mgmt,
-						     skb->len, rx_status);
-			dev_kfree_skb(skb);
-			return RX_QUEUED;
-		} else if ((fc & IEEE80211_FCTL_STYPE) == IEEE80211_STYPE_BEACON) {
-			ieee80211_rx_mgmt_beacon(dev, mgmt, skb->len,
-						 rx_status);
-			dev_kfree_skb(skb);
-			return RX_QUEUED;
-		}
-	}
-	return RX_CONTINUE;
-}
-
-
-static int ieee80211_sta_active_ibss(struct net_device *dev)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	int active = 0;
-	struct sta_info *sta;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	rcu_read_lock();
-
-	list_for_each_entry_rcu(sta, &local->sta_list, list) {
-		if (sta->sdata == sdata &&
-		    time_after(sta->last_rx + IEEE80211_IBSS_MERGE_INTERVAL,
-			       jiffies)) {
-			active++;
-			break;
-		}
-	}
-
-	rcu_read_unlock();
-
-	return active;
-}
-
-
-static void ieee80211_sta_expire(struct net_device *dev, unsigned long exp_time)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta, *tmp;
-	LIST_HEAD(tmp_list);
-	DECLARE_MAC_BUF(mac);
-	unsigned long flags;
-
-	spin_lock_irqsave(&local->sta_lock, flags);
-	list_for_each_entry_safe(sta, tmp, &local->sta_list, list)
-		if (time_after(jiffies, sta->last_rx + exp_time)) {
-			printk(KERN_DEBUG "%s: expiring inactive STA %s\n",
-			       dev->name, print_mac(mac, sta->addr));
-			__sta_info_unlink(&sta);
-			if (sta)
-				list_add(&sta->list, &tmp_list);
-		}
-	spin_unlock_irqrestore(&local->sta_lock, flags);
-
-	list_for_each_entry_safe(sta, tmp, &tmp_list, list)
-		sta_info_destroy(sta);
-}
-
-
-static void ieee80211_sta_merge_ibss(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta)
-{
-	mod_timer(&ifsta->timer, jiffies + IEEE80211_IBSS_MERGE_INTERVAL);
-
-	ieee80211_sta_expire(dev, IEEE80211_IBSS_INACTIVITY_LIMIT);
-	if (ieee80211_sta_active_ibss(dev))
-		return;
-
-	printk(KERN_DEBUG "%s: No active IBSS STAs - trying to scan for other "
-	       "IBSS networks with same SSID (merge)\n", dev->name);
-	ieee80211_sta_req_scan(dev, ifsta->ssid, ifsta->ssid_len);
-}
-
-
-#ifdef CONFIG_MAC80211_MESH
-static void ieee80211_mesh_housekeeping(struct net_device *dev,
-			   struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	bool free_plinks;
-
-	ieee80211_sta_expire(dev, IEEE80211_MESH_PEER_INACTIVITY_LIMIT);
-	mesh_path_expire(dev);
-
-	free_plinks = mesh_plink_availables(sdata);
-	if (free_plinks != sdata->u.sta.accepting_plinks)
-		ieee80211_if_config_beacon(dev);
-
-	mod_timer(&ifsta->timer, jiffies +
-			IEEE80211_MESH_HOUSEKEEPING_INTERVAL);
-}
-
-
-void ieee80211_start_mesh(struct net_device *dev)
-{
-	struct ieee80211_if_sta *ifsta;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	ifsta = &sdata->u.sta;
-	ifsta->state = IEEE80211_MESH_UP;
-	ieee80211_sta_timer((unsigned long)sdata);
-}
-#endif
-
-
-void ieee80211_sta_timer(unsigned long data)
-{
-	struct ieee80211_sub_if_data *sdata =
-		(struct ieee80211_sub_if_data *) data;
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct ieee80211_local *local = wdev_priv(&sdata->wdev);
-
-	set_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
-	queue_work(local->hw.workqueue, &ifsta->work);
-}
-
-void ieee80211_sta_work(struct work_struct *work)
-{
-	struct ieee80211_sub_if_data *sdata =
-		container_of(work, struct ieee80211_sub_if_data, u.sta.work);
-	struct net_device *dev = sdata->dev;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_if_sta *ifsta;
-	struct sk_buff *skb;
-
-	if (!netif_running(dev))
-		return;
-
-	if (local->sta_sw_scanning || local->sta_hw_scanning)
-		return;
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_IBSS &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_MESH_POINT) {
-		printk(KERN_DEBUG "%s: ieee80211_sta_work: non-STA interface "
-		       "(type=%d)\n", dev->name, sdata->vif.type);
-		return;
-	}
-	ifsta = &sdata->u.sta;
-
-	while ((skb = skb_dequeue(&ifsta->skb_queue)))
-		ieee80211_sta_rx_queued_mgmt(dev, skb);
-
-#ifdef CONFIG_MAC80211_MESH
-	if (ifsta->preq_queue_len &&
-	    time_after(jiffies,
-		       ifsta->last_preq + msecs_to_jiffies(ifsta->mshcfg.dot11MeshHWMPpreqMinInterval)))
-		mesh_path_start_discovery(dev);
-#endif
-
-	if (ifsta->state != IEEE80211_AUTHENTICATE &&
-	    ifsta->state != IEEE80211_ASSOCIATE &&
-	    test_and_clear_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request)) {
-		if (ifsta->scan_ssid_len)
-			ieee80211_sta_start_scan(dev, ifsta->scan_ssid, ifsta->scan_ssid_len);
-		else
-			ieee80211_sta_start_scan(dev, NULL, 0);
-		return;
-	}
-
-	if (test_and_clear_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request)) {
-		if (ieee80211_sta_config_auth(dev, ifsta))
-			return;
-		clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request);
-	} else if (!test_and_clear_bit(IEEE80211_STA_REQ_RUN, &ifsta->request))
-		return;
-
-	switch (ifsta->state) {
-	case IEEE80211_DISABLED:
-		break;
-	case IEEE80211_AUTHENTICATE:
-		ieee80211_authenticate(dev, ifsta);
-		break;
-	case IEEE80211_ASSOCIATE:
-		ieee80211_associate(dev, ifsta);
-		break;
-	case IEEE80211_ASSOCIATED:
-		ieee80211_associated(dev, ifsta);
-		break;
-	case IEEE80211_IBSS_SEARCH:
-		ieee80211_sta_find_ibss(dev, ifsta);
-		break;
-	case IEEE80211_IBSS_JOINED:
-		ieee80211_sta_merge_ibss(dev, ifsta);
-		break;
-#ifdef CONFIG_MAC80211_MESH
-	case IEEE80211_MESH_UP:
-		ieee80211_mesh_housekeeping(dev, ifsta);
-		break;
-#endif
-	default:
-		printk(KERN_DEBUG "ieee80211_sta_work: Unknown state %d\n",
-		       ifsta->state);
-		break;
-	}
-
-	if (ieee80211_privacy_mismatch(dev, ifsta)) {
-		printk(KERN_DEBUG "%s: privacy configuration mismatch and "
-		       "mixed-cell disabled - disassociate\n", dev->name);
-
-		ieee80211_send_disassoc(dev, ifsta, WLAN_REASON_UNSPECIFIED);
-		ieee80211_set_disassoc(dev, ifsta, 0);
-	}
-}
-
-
-static void ieee80211_sta_reset_auth(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
-	if (local->ops->reset_tsf) {
-		/* Reset own TSF to allow time synchronization work. */
-		local->ops->reset_tsf(local_to_hw(local));
-	}
-
-	ifsta->wmm_last_param_set = -1; /* allow any WMM update */
-
-
-	if (ifsta->auth_algs & IEEE80211_AUTH_ALG_OPEN)
-		ifsta->auth_alg = WLAN_AUTH_OPEN;
-	else if (ifsta->auth_algs & IEEE80211_AUTH_ALG_SHARED_KEY)
-		ifsta->auth_alg = WLAN_AUTH_SHARED_KEY;
-	else if (ifsta->auth_algs & IEEE80211_AUTH_ALG_LEAP)
-		ifsta->auth_alg = WLAN_AUTH_LEAP;
-	else
-		ifsta->auth_alg = WLAN_AUTH_OPEN;
-	printk(KERN_DEBUG "%s: Initial auth_alg=%d\n", dev->name,
-	       ifsta->auth_alg);
-	ifsta->auth_transaction = -1;
-	ifsta->flags &= ~IEEE80211_STA_ASSOCIATED;
-	ifsta->auth_tries = ifsta->assoc_tries = 0;
-	netif_carrier_off(dev);
-}
-
-
-void ieee80211_sta_req_auth(struct net_device *dev,
-			    struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
-		return;
-
-	if ((ifsta->flags & (IEEE80211_STA_BSSID_SET |
-				IEEE80211_STA_AUTO_BSSID_SEL)) &&
-	    (ifsta->flags & (IEEE80211_STA_SSID_SET |
-				IEEE80211_STA_AUTO_SSID_SEL))) {
-		set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
-		queue_work(local->hw.workqueue, &ifsta->work);
-	}
-}
-
-static int ieee80211_sta_match_ssid(struct ieee80211_if_sta *ifsta,
-				    const char *ssid, int ssid_len)
-{
-	int tmp, hidden_ssid;
-
-	if (ssid_len == ifsta->ssid_len &&
-	    !memcmp(ifsta->ssid, ssid, ssid_len))
-		return 1;
-
-	if (ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL)
-		return 0;
-
-	hidden_ssid = 1;
-	tmp = ssid_len;
-	while (tmp--) {
-		if (ssid[tmp] != '\0') {
-			hidden_ssid = 0;
-			break;
-		}
-	}
-
-	if (hidden_ssid && ifsta->ssid_len == ssid_len)
-		return 1;
-
-	if (ssid_len == 1 && ssid[0] == ' ')
-		return 1;
-
-	return 0;
-}
-
-static int ieee80211_sta_config_auth(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_sta_bss *bss, *selected = NULL;
-	int top_rssi = 0, freq;
-
-	if (!(ifsta->flags & (IEEE80211_STA_AUTO_SSID_SEL |
-	    IEEE80211_STA_AUTO_BSSID_SEL | IEEE80211_STA_AUTO_CHANNEL_SEL))) {
-		ifsta->state = IEEE80211_AUTHENTICATE;
-		ieee80211_sta_reset_auth(dev, ifsta);
-		return 0;
-	}
-
-	spin_lock_bh(&local->sta_bss_lock);
-	freq = local->oper_channel->center_freq;
-	list_for_each_entry(bss, &local->sta_bss_list, list) {
-		if (!(bss->capability & WLAN_CAPABILITY_ESS))
-			continue;
-
-		if (!!(bss->capability & WLAN_CAPABILITY_PRIVACY) ^
-		    !!sdata->default_key)
-			continue;
-
-		if (!(ifsta->flags & IEEE80211_STA_AUTO_CHANNEL_SEL) &&
-		    bss->freq != freq)
-			continue;
-
-		if (!(ifsta->flags & IEEE80211_STA_AUTO_BSSID_SEL) &&
-		    memcmp(bss->bssid, ifsta->bssid, ETH_ALEN))
-			continue;
-
-		if (!(ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL) &&
-		    !ieee80211_sta_match_ssid(ifsta, bss->ssid, bss->ssid_len))
-			continue;
-
-		if (!selected || top_rssi < bss->rssi) {
-			selected = bss;
-			top_rssi = bss->rssi;
-		}
-	}
-	if (selected)
-		atomic_inc(&selected->users);
-	spin_unlock_bh(&local->sta_bss_lock);
-
-	if (selected) {
-		ieee80211_set_freq(local, selected->freq);
-		if (!(ifsta->flags & IEEE80211_STA_SSID_SET))
-			ieee80211_sta_set_ssid(dev, selected->ssid,
-					       selected->ssid_len);
-		ieee80211_sta_set_bssid(dev, selected->bssid);
-		ieee80211_sta_def_wmm_params(dev, selected, 0);
-		ieee80211_rx_bss_put(dev, selected);
-		ifsta->state = IEEE80211_AUTHENTICATE;
-		ieee80211_sta_reset_auth(dev, ifsta);
-		return 0;
-	} else {
-		if (ifsta->state != IEEE80211_AUTHENTICATE) {
-			if (ifsta->flags & IEEE80211_STA_AUTO_SSID_SEL)
-				ieee80211_sta_start_scan(dev, NULL, 0);
-			else
-				ieee80211_sta_start_scan(dev, ifsta->ssid,
-							 ifsta->ssid_len);
-			ifsta->state = IEEE80211_AUTHENTICATE;
-			set_bit(IEEE80211_STA_REQ_AUTH, &ifsta->request);
-		} else
-			ifsta->state = IEEE80211_DISABLED;
-	}
-	return -1;
-}
-
-
-static int ieee80211_sta_create_ibss(struct net_device *dev,
-				     struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_supported_band *sband;
-	u8 bssid[ETH_ALEN], *pos;
-	int i;
-	DECLARE_MAC_BUF(mac);
-
-#if 0
-	/* Easier testing, use fixed BSSID. */
-	memset(bssid, 0xfe, ETH_ALEN);
-#else
-	/* Generate random, not broadcast, locally administered BSSID. Mix in
-	 * own MAC address to make sure that devices that do not have proper
-	 * random number generator get different BSSID. */
-	get_random_bytes(bssid, ETH_ALEN);
-	for (i = 0; i < ETH_ALEN; i++)
-		bssid[i] ^= dev->dev_addr[i];
-	bssid[0] &= ~0x01;
-	bssid[0] |= 0x02;
-#endif
-
-	printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %s\n",
-	       dev->name, print_mac(mac, bssid));
-
-	bss = ieee80211_rx_bss_add(dev, bssid,
-				   local->hw.conf.channel->center_freq,
-				   sdata->u.sta.ssid, sdata->u.sta.ssid_len);
-	if (!bss)
-		return -ENOMEM;
-
-	bss->band = local->hw.conf.channel->band;
-	sband = local->hw.wiphy->bands[bss->band];
-
-	if (local->hw.conf.beacon_int == 0)
-		local->hw.conf.beacon_int = 10000;
-	bss->beacon_int = local->hw.conf.beacon_int;
-	bss->last_update = jiffies;
-	bss->capability = WLAN_CAPABILITY_IBSS;
-	if (sdata->default_key) {
-		bss->capability |= WLAN_CAPABILITY_PRIVACY;
-	} else
-		sdata->drop_unencrypted = 0;
-	bss->supp_rates_len = sband->n_bitrates;
-	pos = bss->supp_rates;
-	for (i = 0; i < sband->n_bitrates; i++) {
-		int rate = sband->bitrates[i].bitrate;
-		*pos++ = (u8) (rate / 5);
-	}
-
-	return ieee80211_sta_join_ibss(dev, ifsta, bss);
-}
-
-
-static int ieee80211_sta_find_ibss(struct net_device *dev,
-				   struct ieee80211_if_sta *ifsta)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sta_bss *bss;
-	int found = 0;
-	u8 bssid[ETH_ALEN];
-	int active_ibss;
-	DECLARE_MAC_BUF(mac);
-	DECLARE_MAC_BUF(mac2);
-
-	if (ifsta->ssid_len == 0)
-		return -EINVAL;
-
-	active_ibss = ieee80211_sta_active_ibss(dev);
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-	printk(KERN_DEBUG "%s: sta_find_ibss (active_ibss=%d)\n",
-	       dev->name, active_ibss);
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-	spin_lock_bh(&local->sta_bss_lock);
-	list_for_each_entry(bss, &local->sta_bss_list, list) {
-		if (ifsta->ssid_len != bss->ssid_len ||
-		    memcmp(ifsta->ssid, bss->ssid, bss->ssid_len) != 0
-		    || !(bss->capability & WLAN_CAPABILITY_IBSS))
-			continue;
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-		printk(KERN_DEBUG "   bssid=%s found\n",
-		       print_mac(mac, bss->bssid));
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-		memcpy(bssid, bss->bssid, ETH_ALEN);
-		found = 1;
-		if (active_ibss || memcmp(bssid, ifsta->bssid, ETH_ALEN) != 0)
-			break;
-	}
-	spin_unlock_bh(&local->sta_bss_lock);
-
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-	printk(KERN_DEBUG "   sta_find_ibss: selected %s current "
-	       "%s\n", print_mac(mac, bssid), print_mac(mac2, ifsta->bssid));
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-	if (found && memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0 &&
-	    (bss = ieee80211_rx_bss_get(dev, bssid,
-					local->hw.conf.channel->center_freq,
-					ifsta->ssid, ifsta->ssid_len))) {
-		printk(KERN_DEBUG "%s: Selected IBSS BSSID %s"
-		       " based on configured SSID\n",
-		       dev->name, print_mac(mac, bssid));
-		return ieee80211_sta_join_ibss(dev, ifsta, bss);
-	}
-#ifdef CONFIG_MAC80211_IBSS_DEBUG
-	printk(KERN_DEBUG "   did not try to join ibss\n");
-#endif /* CONFIG_MAC80211_IBSS_DEBUG */
-
-	/* Selected IBSS not found in current scan results - try to scan */
-	if (ifsta->state == IEEE80211_IBSS_JOINED &&
-	    !ieee80211_sta_active_ibss(dev)) {
-		mod_timer(&ifsta->timer, jiffies +
-				      IEEE80211_IBSS_MERGE_INTERVAL);
-	} else if (time_after(jiffies, local->last_scan_completed +
-			      IEEE80211_SCAN_INTERVAL)) {
-		printk(KERN_DEBUG "%s: Trigger new scan to find an IBSS to "
-		       "join\n", dev->name);
-		return ieee80211_sta_req_scan(dev, ifsta->ssid,
-					      ifsta->ssid_len);
-	} else if (ifsta->state != IEEE80211_IBSS_JOINED) {
-		int interval = IEEE80211_SCAN_INTERVAL;
-
-		if (time_after(jiffies, ifsta->ibss_join_req +
-			       IEEE80211_IBSS_JOIN_TIMEOUT)) {
-			if ((ifsta->flags & IEEE80211_STA_CREATE_IBSS) &&
-			    (!(local->oper_channel->flags &
-					IEEE80211_CHAN_NO_IBSS)))
-				return ieee80211_sta_create_ibss(dev, ifsta);
-			if (ifsta->flags & IEEE80211_STA_CREATE_IBSS) {
-				printk(KERN_DEBUG "%s: IBSS not allowed on"
-				       " %d MHz\n", dev->name,
-				       local->hw.conf.channel->center_freq);
-			}
-
-			/* No IBSS found - decrease scan interval and continue
-			 * scanning. */
-			interval = IEEE80211_SCAN_INTERVAL_SLOW;
-		}
-
-		ifsta->state = IEEE80211_IBSS_SEARCH;
-		mod_timer(&ifsta->timer, jiffies + interval);
-		return 0;
-	}
-
-	return 0;
-}
-
-
-int ieee80211_sta_set_ssid(struct net_device *dev, char *ssid, size_t len)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta;
-
-	if (len > IEEE80211_MAX_SSID_LEN)
-		return -EINVAL;
-
-	ifsta = &sdata->u.sta;
-
-	if (ifsta->ssid_len != len || memcmp(ifsta->ssid, ssid, len) != 0)
-		ifsta->flags &= ~IEEE80211_STA_PREV_BSSID_SET;
-	memcpy(ifsta->ssid, ssid, len);
-	memset(ifsta->ssid + len, 0, IEEE80211_MAX_SSID_LEN - len);
-	ifsta->ssid_len = len;
-
-	if (len)
-		ifsta->flags |= IEEE80211_STA_SSID_SET;
-	else
-		ifsta->flags &= ~IEEE80211_STA_SSID_SET;
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
-	    !(ifsta->flags & IEEE80211_STA_BSSID_SET)) {
-		ifsta->ibss_join_req = jiffies;
-		ifsta->state = IEEE80211_IBSS_SEARCH;
-		return ieee80211_sta_find_ibss(dev, ifsta);
-	}
-	return 0;
-}
-
-
-int ieee80211_sta_get_ssid(struct net_device *dev, char *ssid, size_t *len)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	memcpy(ssid, ifsta->ssid, ifsta->ssid_len);
-	*len = ifsta->ssid_len;
-	return 0;
-}
-
-
-int ieee80211_sta_set_bssid(struct net_device *dev, u8 *bssid)
-{
-	struct ieee80211_sub_if_data *sdata;
-	struct ieee80211_if_sta *ifsta;
-	int res;
-
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	ifsta = &sdata->u.sta;
-
-	if (memcmp(ifsta->bssid, bssid, ETH_ALEN) != 0) {
-		memcpy(ifsta->bssid, bssid, ETH_ALEN);
-		res = ieee80211_if_config(dev);
-		if (res) {
-			printk(KERN_DEBUG "%s: Failed to config new BSSID to "
-			       "the low-level driver\n", dev->name);
-			return res;
-		}
-	}
-
-	if (is_valid_ether_addr(bssid))
-		ifsta->flags |= IEEE80211_STA_BSSID_SET;
-	else
-		ifsta->flags &= ~IEEE80211_STA_BSSID_SET;
-
-	return 0;
-}
-
-
-static void ieee80211_send_nullfunc(struct ieee80211_local *local,
-				    struct ieee80211_sub_if_data *sdata,
-				    int powersave)
-{
-	struct sk_buff *skb;
-	struct ieee80211_hdr *nullfunc;
-	u16 fc;
-
-	skb = dev_alloc_skb(local->hw.extra_tx_headroom + 24);
-	if (!skb) {
-		printk(KERN_DEBUG "%s: failed to allocate buffer for nullfunc "
-		       "frame\n", sdata->dev->name);
-		return;
-	}
-	skb_reserve(skb, local->hw.extra_tx_headroom);
-
-	nullfunc = (struct ieee80211_hdr *) skb_put(skb, 24);
-	memset(nullfunc, 0, 24);
-	fc = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC |
-	     IEEE80211_FCTL_TODS;
-	if (powersave)
-		fc |= IEEE80211_FCTL_PM;
-	nullfunc->frame_control = cpu_to_le16(fc);
-	memcpy(nullfunc->addr1, sdata->u.sta.bssid, ETH_ALEN);
-	memcpy(nullfunc->addr2, sdata->dev->dev_addr, ETH_ALEN);
-	memcpy(nullfunc->addr3, sdata->u.sta.bssid, ETH_ALEN);
-
-	ieee80211_sta_tx(sdata->dev, skb, 0);
-}
-
-
-static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata)
-{
-	if (sdata->vif.type == IEEE80211_IF_TYPE_STA ||
-	    ieee80211_vif_is_mesh(&sdata->vif))
-		ieee80211_sta_timer((unsigned long)sdata);
-}
-
-void ieee80211_scan_completed(struct ieee80211_hw *hw)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct net_device *dev = local->scan_dev;
-	struct ieee80211_sub_if_data *sdata;
-	union iwreq_data wrqu;
-
-	local->last_scan_completed = jiffies;
-	memset(&wrqu, 0, sizeof(wrqu));
-	wireless_send_event(dev, SIOCGIWSCAN, &wrqu, NULL);
-
-	if (local->sta_hw_scanning) {
-		local->sta_hw_scanning = 0;
-		if (ieee80211_hw_config(local))
-			printk(KERN_DEBUG "%s: failed to restore operational "
-			       "channel after scan\n", dev->name);
-		/* Restart STA timer for HW scan case */
-		rcu_read_lock();
-		list_for_each_entry_rcu(sdata, &local->interfaces, list)
-			ieee80211_restart_sta_timer(sdata);
-		rcu_read_unlock();
-
-		goto done;
-	}
-
-	local->sta_sw_scanning = 0;
-	if (ieee80211_hw_config(local))
-		printk(KERN_DEBUG "%s: failed to restore operational "
-		       "channel after scan\n", dev->name);
-
-
-	netif_tx_lock_bh(local->mdev);
-	local->filter_flags &= ~FIF_BCN_PRBRESP_PROMISC;
-	local->ops->configure_filter(local_to_hw(local),
-				     FIF_BCN_PRBRESP_PROMISC,
-				     &local->filter_flags,
-				     local->mdev->mc_count,
-				     local->mdev->mc_list);
-
-	netif_tx_unlock_bh(local->mdev);
-
-	rcu_read_lock();
-	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
-		/* No need to wake the master device. */
-		if (sdata->dev == local->mdev)
-			continue;
-
-		/* Tell AP we're back */
-		if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
-		    sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED)
-			ieee80211_send_nullfunc(local, sdata, 0);
-
-		ieee80211_restart_sta_timer(sdata);
-
-		netif_wake_queue(sdata->dev);
-	}
-	rcu_read_unlock();
-
-done:
-	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	if (sdata->vif.type == IEEE80211_IF_TYPE_IBSS) {
-		struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-		if (!(ifsta->flags & IEEE80211_STA_BSSID_SET) ||
-		    (!ifsta->state == IEEE80211_IBSS_JOINED &&
-		    !ieee80211_sta_active_ibss(dev)))
-			ieee80211_sta_find_ibss(dev, ifsta);
-	}
-}
-EXPORT_SYMBOL(ieee80211_scan_completed);
-
-void ieee80211_sta_scan_work(struct work_struct *work)
-{
-	struct ieee80211_local *local =
-		container_of(work, struct ieee80211_local, scan_work.work);
-	struct net_device *dev = local->scan_dev;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_supported_band *sband;
-	struct ieee80211_channel *chan;
-	int skip;
-	unsigned long next_delay = 0;
-
-	if (!local->sta_sw_scanning)
-		return;
-
-	switch (local->scan_state) {
-	case SCAN_SET_CHANNEL:
-		/*
-		 * Get current scan band. scan_band may be IEEE80211_NUM_BANDS
-		 * after we successfully scanned the last channel of the last
-		 * band (and the last band is supported by the hw)
-		 */
-		if (local->scan_band < IEEE80211_NUM_BANDS)
-			sband = local->hw.wiphy->bands[local->scan_band];
-		else
-			sband = NULL;
-
-		/*
-		 * If we are at an unsupported band and have more bands
-		 * left to scan, advance to the next supported one.
-		 */
-		while (!sband && local->scan_band < IEEE80211_NUM_BANDS - 1) {
-			local->scan_band++;
-			sband = local->hw.wiphy->bands[local->scan_band];
-			local->scan_channel_idx = 0;
-		}
-
-		/* if no more bands/channels left, complete scan */
-		if (!sband || local->scan_channel_idx >= sband->n_channels) {
-			ieee80211_scan_completed(local_to_hw(local));
-			return;
-		}
-		skip = 0;
-		chan = &sband->channels[local->scan_channel_idx];
-
-		if (chan->flags & IEEE80211_CHAN_DISABLED ||
-		    (sdata->vif.type == IEEE80211_IF_TYPE_IBSS &&
-		     chan->flags & IEEE80211_CHAN_NO_IBSS))
-			skip = 1;
-
-		if (!skip) {
-			local->scan_channel = chan;
-			if (ieee80211_hw_config(local)) {
-				printk(KERN_DEBUG "%s: failed to set freq to "
-				       "%d MHz for scan\n", dev->name,
-				       chan->center_freq);
-				skip = 1;
-			}
-		}
-
-		/* advance state machine to next channel/band */
-		local->scan_channel_idx++;
-		if (local->scan_channel_idx >= sband->n_channels) {
-			/*
-			 * scan_band may end up == IEEE80211_NUM_BANDS, but
-			 * we'll catch that case above and complete the scan
-			 * if that is the case.
-			 */
-			local->scan_band++;
-			local->scan_channel_idx = 0;
-		}
-
-		if (skip)
-			break;
-
-		next_delay = IEEE80211_PROBE_DELAY +
-			     usecs_to_jiffies(local->hw.channel_change_time);
-		local->scan_state = SCAN_SEND_PROBE;
-		break;
-	case SCAN_SEND_PROBE:
-		next_delay = IEEE80211_PASSIVE_CHANNEL_TIME;
-		local->scan_state = SCAN_SET_CHANNEL;
-
-		if (local->scan_channel->flags & IEEE80211_CHAN_PASSIVE_SCAN)
-			break;
-		ieee80211_send_probe_req(dev, NULL, local->scan_ssid,
-					 local->scan_ssid_len);
-		next_delay = IEEE80211_CHANNEL_TIME;
-		break;
-	}
-
-	if (local->sta_sw_scanning)
-		queue_delayed_work(local->hw.workqueue, &local->scan_work,
-				   next_delay);
-}
-
-
-static int ieee80211_sta_start_scan(struct net_device *dev,
-				    u8 *ssid, size_t ssid_len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct ieee80211_sub_if_data *sdata;
-
-	if (ssid_len > IEEE80211_MAX_SSID_LEN)
-		return -EINVAL;
-
-	/* MLME-SCAN.request (page 118)  page 144 (11.1.3.1)
-	 * BSSType: INFRASTRUCTURE, INDEPENDENT, ANY_BSS
-	 * BSSID: MACAddress
-	 * SSID
-	 * ScanType: ACTIVE, PASSIVE
-	 * ProbeDelay: delay (in microseconds) to be used prior to transmitting
-	 *    a Probe frame during active scanning
-	 * ChannelList
-	 * MinChannelTime (>= ProbeDelay), in TU
-	 * MaxChannelTime: (>= MinChannelTime), in TU
-	 */
-
-	 /* MLME-SCAN.confirm
-	  * BSSDescriptionSet
-	  * ResultCode: SUCCESS, INVALID_PARAMETERS
-	 */
-
-	if (local->sta_sw_scanning || local->sta_hw_scanning) {
-		if (local->scan_dev == dev)
-			return 0;
-		return -EBUSY;
-	}
-
-	if (local->ops->hw_scan) {
-		int rc = local->ops->hw_scan(local_to_hw(local),
-					     ssid, ssid_len);
-		if (!rc) {
-			local->sta_hw_scanning = 1;
-			local->scan_dev = dev;
-		}
-		return rc;
-	}
-
-	local->sta_sw_scanning = 1;
-
-	rcu_read_lock();
-	list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
-		/* Don't stop the master interface, otherwise we can't transmit
-		 * probes! */
-		if (sdata->dev == local->mdev)
-			continue;
-
-		netif_stop_queue(sdata->dev);
-		if (sdata->vif.type == IEEE80211_IF_TYPE_STA &&
-		    (sdata->u.sta.flags & IEEE80211_STA_ASSOCIATED))
-			ieee80211_send_nullfunc(local, sdata, 1);
-	}
-	rcu_read_unlock();
-
-	if (ssid) {
-		local->scan_ssid_len = ssid_len;
-		memcpy(local->scan_ssid, ssid, ssid_len);
-	} else
-		local->scan_ssid_len = 0;
-	local->scan_state = SCAN_SET_CHANNEL;
-	local->scan_channel_idx = 0;
-	local->scan_band = IEEE80211_BAND_2GHZ;
-	local->scan_dev = dev;
-
-	netif_tx_lock_bh(local->mdev);
-	local->filter_flags |= FIF_BCN_PRBRESP_PROMISC;
-	local->ops->configure_filter(local_to_hw(local),
-				     FIF_BCN_PRBRESP_PROMISC,
-				     &local->filter_flags,
-				     local->mdev->mc_count,
-				     local->mdev->mc_list);
-	netif_tx_unlock_bh(local->mdev);
-
-	/* TODO: start scan as soon as all nullfunc frames are ACKed */
-	queue_delayed_work(local->hw.workqueue, &local->scan_work,
-			   IEEE80211_CHANNEL_TIME);
-
-	return 0;
-}
-
-
-int ieee80211_sta_req_scan(struct net_device *dev, u8 *ssid, size_t ssid_len)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
-		return ieee80211_sta_start_scan(dev, ssid, ssid_len);
-
-	if (local->sta_sw_scanning || local->sta_hw_scanning) {
-		if (local->scan_dev == dev)
-			return 0;
-		return -EBUSY;
-	}
-
-	ifsta->scan_ssid_len = ssid_len;
-	if (ssid_len)
-		memcpy(ifsta->scan_ssid, ssid, ssid_len);
-	set_bit(IEEE80211_STA_REQ_SCAN, &ifsta->request);
-	queue_work(local->hw.workqueue, &ifsta->work);
-	return 0;
-}
-
-static char *
-ieee80211_sta_scan_result(struct net_device *dev,
-			  struct ieee80211_sta_bss *bss,
-			  char *current_ev, char *end_buf)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct iw_event iwe;
-
-	if (time_after(jiffies,
-		       bss->last_update + IEEE80211_SCAN_RESULT_EXPIRE))
-		return current_ev;
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWAP;
-	iwe.u.ap_addr.sa_family = ARPHRD_ETHER;
-	memcpy(iwe.u.ap_addr.sa_data, bss->bssid, ETH_ALEN);
-	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
-					  IW_EV_ADDR_LEN);
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWESSID;
-	if (bss_mesh_cfg(bss)) {
-		iwe.u.data.length = bss_mesh_id_len(bss);
-		iwe.u.data.flags = 1;
-		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
-						  bss_mesh_id(bss));
-	} else {
-		iwe.u.data.length = bss->ssid_len;
-		iwe.u.data.flags = 1;
-		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
-						  bss->ssid);
-	}
-
-	if (bss->capability & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)
-	    || bss_mesh_cfg(bss)) {
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = SIOCGIWMODE;
-		if (bss_mesh_cfg(bss))
-			iwe.u.mode = IW_MODE_MESH;
-		else if (bss->capability & WLAN_CAPABILITY_ESS)
-			iwe.u.mode = IW_MODE_MASTER;
-		else
-			iwe.u.mode = IW_MODE_ADHOC;
-		current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
-						  IW_EV_UINT_LEN);
-	}
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWFREQ;
-	iwe.u.freq.m = bss->freq;
-	iwe.u.freq.e = 6;
-	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
-					  IW_EV_FREQ_LEN);
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWFREQ;
-	iwe.u.freq.m = ieee80211_frequency_to_channel(bss->freq);
-	iwe.u.freq.e = 0;
-	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
-					  IW_EV_FREQ_LEN);
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = IWEVQUAL;
-	iwe.u.qual.qual = bss->signal;
-	iwe.u.qual.level = bss->rssi;
-	iwe.u.qual.noise = bss->noise;
-	iwe.u.qual.updated = local->wstats_flags;
-	current_ev = iwe_stream_add_event(current_ev, end_buf, &iwe,
-					  IW_EV_QUAL_LEN);
-
-	memset(&iwe, 0, sizeof(iwe));
-	iwe.cmd = SIOCGIWENCODE;
-	if (bss->capability & WLAN_CAPABILITY_PRIVACY)
-		iwe.u.data.flags = IW_ENCODE_ENABLED | IW_ENCODE_NOKEY;
-	else
-		iwe.u.data.flags = IW_ENCODE_DISABLED;
-	iwe.u.data.length = 0;
-	current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe, "");
-
-	if (bss && bss->wpa_ie) {
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = IWEVGENIE;
-		iwe.u.data.length = bss->wpa_ie_len;
-		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
-						  bss->wpa_ie);
-	}
-
-	if (bss && bss->rsn_ie) {
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = IWEVGENIE;
-		iwe.u.data.length = bss->rsn_ie_len;
-		current_ev = iwe_stream_add_point(current_ev, end_buf, &iwe,
-						  bss->rsn_ie);
-	}
-
-	if (bss && bss->supp_rates_len > 0) {
-		/* display all supported rates in readable format */
-		char *p = current_ev + IW_EV_LCP_LEN;
-		int i;
-
-		memset(&iwe, 0, sizeof(iwe));
-		iwe.cmd = SIOCGIWRATE;
-		/* Those two flags are ignored... */
-		iwe.u.bitrate.fixed = iwe.u.bitrate.disabled = 0;
-
-		for (i = 0; i < bss->supp_rates_len; i++) {
-			iwe.u.bitrate.value = ((bss->supp_rates[i] &
-							0x7f) * 500000);
-			p = iwe_stream_add_value(current_ev, p,
-					end_buf, &iwe, IW_EV_PARAM_LEN);
-		}
-		current_ev = p;
-	}
-
-	if (bss) {
-		char *buf;
-		buf = kmalloc(30, GFP_ATOMIC);
-		if (buf) {
-			memset(&iwe, 0, sizeof(iwe));
-			iwe.cmd = IWEVCUSTOM;
-			sprintf(buf, "tsf=%016llx", (unsigned long long)(bss->timestamp));
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(current_ev, end_buf,
-							  &iwe, buf);
-			kfree(buf);
-		}
-	}
-
-	if (bss_mesh_cfg(bss)) {
-		char *buf;
-		u8 *cfg = bss_mesh_cfg(bss);
-		buf = kmalloc(50, GFP_ATOMIC);
-		if (buf) {
-			memset(&iwe, 0, sizeof(iwe));
-			iwe.cmd = IWEVCUSTOM;
-			sprintf(buf, "Mesh network (version %d)", cfg[0]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(current_ev, end_buf,
-							  &iwe, buf);
-			sprintf(buf, "Path Selection Protocol ID: "
-				"0x%02X%02X%02X%02X", cfg[1], cfg[2], cfg[3],
-							cfg[4]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(current_ev, end_buf,
-							  &iwe, buf);
-			sprintf(buf, "Path Selection Metric ID: "
-				"0x%02X%02X%02X%02X", cfg[5], cfg[6], cfg[7],
-							cfg[8]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(current_ev, end_buf,
-							  &iwe, buf);
-			sprintf(buf, "Congestion Control Mode ID: "
-				"0x%02X%02X%02X%02X", cfg[9], cfg[10],
-							cfg[11], cfg[12]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(current_ev, end_buf,
-							  &iwe, buf);
-			sprintf(buf, "Channel Precedence: "
-				"0x%02X%02X%02X%02X", cfg[13], cfg[14],
-							cfg[15], cfg[16]);
-			iwe.u.data.length = strlen(buf);
-			current_ev = iwe_stream_add_point(current_ev, end_buf,
-							  &iwe, buf);
-			kfree(buf);
-		}
-	}
-
-	return current_ev;
-}
-
-
-int ieee80211_sta_scan_results(struct net_device *dev, char *buf, size_t len)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	char *current_ev = buf;
-	char *end_buf = buf + len;
-	struct ieee80211_sta_bss *bss;
-
-	spin_lock_bh(&local->sta_bss_lock);
-	list_for_each_entry(bss, &local->sta_bss_list, list) {
-		if (buf + len - current_ev <= IW_EV_ADDR_LEN) {
-			spin_unlock_bh(&local->sta_bss_lock);
-			return -E2BIG;
-		}
-		current_ev = ieee80211_sta_scan_result(dev, bss, current_ev,
-						       end_buf);
-	}
-	spin_unlock_bh(&local->sta_bss_lock);
-	return current_ev - buf;
-}
-
-
-int ieee80211_sta_set_extra_ie(struct net_device *dev, char *ie, size_t len)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-	kfree(ifsta->extra_ie);
-	if (len == 0) {
-		ifsta->extra_ie = NULL;
-		ifsta->extra_ie_len = 0;
-		return 0;
-	}
-	ifsta->extra_ie = kmalloc(len, GFP_KERNEL);
-	if (!ifsta->extra_ie) {
-		ifsta->extra_ie_len = 0;
-		return -ENOMEM;
-	}
-	memcpy(ifsta->extra_ie, ie, len);
-	ifsta->extra_ie_len = len;
-	return 0;
-}
-
-
-struct sta_info * ieee80211_ibss_add_sta(struct net_device *dev,
-					 struct sk_buff *skb, u8 *bssid,
-					 u8 *addr)
-{
-	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
-	struct sta_info *sta;
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	DECLARE_MAC_BUF(mac);
-
-	/* TODO: Could consider removing the least recently used entry and
-	 * allow new one to be added. */
-	if (local->num_sta >= IEEE80211_IBSS_MAX_STA_ENTRIES) {
-		if (net_ratelimit()) {
-			printk(KERN_DEBUG "%s: No room for a new IBSS STA "
-			       "entry %s\n", dev->name, print_mac(mac, addr));
-		}
-		return NULL;
-	}
-
-	printk(KERN_DEBUG "%s: Adding new IBSS station %s (dev=%s)\n",
-	       wiphy_name(local->hw.wiphy), print_mac(mac, addr), dev->name);
-
-	sta = sta_info_alloc(sdata, addr, GFP_ATOMIC);
-	if (!sta)
-		return NULL;
-
-	sta->flags |= WLAN_STA_AUTHORIZED;
-
-	sta->supp_rates[local->hw.conf.channel->band] =
-		sdata->u.sta.supp_rates_bits[local->hw.conf.channel->band];
-
-	rate_control_rate_init(sta, local);
-
-	if (sta_info_insert(sta))
-		return NULL;
-
-	return sta;
-}
-
-
-int ieee80211_sta_deauthenticate(struct net_device *dev, u16 reason)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
-	printk(KERN_DEBUG "%s: deauthenticate(reason=%d)\n",
-	       dev->name, reason);
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA &&
-	    sdata->vif.type != IEEE80211_IF_TYPE_IBSS)
-		return -EINVAL;
-
-	ieee80211_send_deauth(dev, ifsta, reason);
-	ieee80211_set_disassoc(dev, ifsta, 1);
-	return 0;
-}
-
-
-int ieee80211_sta_disassociate(struct net_device *dev, u16 reason)
-{
-	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
-	struct ieee80211_if_sta *ifsta = &sdata->u.sta;
-
-	printk(KERN_DEBUG "%s: disassociate(reason=%d)\n",
-	       dev->name, reason);
-
-	if (sdata->vif.type != IEEE80211_IF_TYPE_STA)
-		return -EINVAL;
-
-	if (!(ifsta->flags & IEEE80211_STA_ASSOCIATED))
-		return -1;
-
-	ieee80211_send_disassoc(dev, ifsta, reason);
-	ieee80211_set_disassoc(dev, ifsta, 0);
-	return 0;
-}
-
-void ieee80211_notify_mac(struct ieee80211_hw *hw,
-			  enum ieee80211_notification_types  notif_type)
-{
-	struct ieee80211_local *local = hw_to_local(hw);
-	struct ieee80211_sub_if_data *sdata;
-
-	switch (notif_type) {
-	case IEEE80211_NOTIFY_RE_ASSOC:
-		rcu_read_lock();
-		list_for_each_entry_rcu(sdata, &local->interfaces, list) {
-
-			if (sdata->vif.type == IEEE80211_IF_TYPE_STA) {
-				ieee80211_sta_req_auth(sdata->dev,
-						       &sdata->u.sta);
-			}
-
-		}
-		rcu_read_unlock();
-		break;
-	}
-}
-EXPORT_SYMBOL(ieee80211_notify_mac);