1 files changed, 311 insertions, 253 deletions

diff --git a/drivers/net/wireless/hostap/hostap_ap.c b/drivers/net/wireless/hostap/hostap_ap.c
index 0903db786d5..596525528f5 100644
--- a/drivers/net/wireless/hostap/hostap_ap.c
+++ b/drivers/net/wireless/hostap/hostap_ap.c
@@ -17,8 +17,14 @@
  */
 
 #include <linux/proc_fs.h>
+#include <linux/seq_file.h>
 #include <linux/delay.h>
 #include <linux/random.h>
+#include <linux/if_arp.h>
+#include <linux/slab.h>
+#include <linux/export.h>
+#include <linux/moduleparam.h>
+#include <linux/etherdevice.h>
 
 #include "hostap_wlan.h"
 #include "hostap.h"
@@ -60,28 +66,32 @@ static void prism2_send_mgmt(struct net_device *dev,
 
 
 #ifndef PRISM2_NO_PROCFS_DEBUG
-static int ap_debug_proc_read(char *page, char **start, off_t off,
-			      int count, int *eof, void *data)
-{
-	char *p = page;
-	struct ap_data *ap = (struct ap_data *) data;
-
-	if (off != 0) {
-		*eof = 1;
-		return 0;
-	}
-
-	p += sprintf(p, "BridgedUnicastFrames=%u\n", ap->bridged_unicast);
-	p += sprintf(p, "BridgedMulticastFrames=%u\n", ap->bridged_multicast);
-	p += sprintf(p, "max_inactivity=%u\n", ap->max_inactivity / HZ);
-	p += sprintf(p, "bridge_packets=%u\n", ap->bridge_packets);
-	p += sprintf(p, "nullfunc_ack=%u\n", ap->nullfunc_ack);
-	p += sprintf(p, "autom_ap_wds=%u\n", ap->autom_ap_wds);
-	p += sprintf(p, "auth_algs=%u\n", ap->local->auth_algs);
-	p += sprintf(p, "tx_drop_nonassoc=%u\n", ap->tx_drop_nonassoc);
+static int ap_debug_proc_show(struct seq_file *m, void *v)
+{
+	struct ap_data *ap = m->private;
+
+	seq_printf(m, "BridgedUnicastFrames=%u\n", ap->bridged_unicast);
+	seq_printf(m, "BridgedMulticastFrames=%u\n", ap->bridged_multicast);
+	seq_printf(m, "max_inactivity=%u\n", ap->max_inactivity / HZ);
+	seq_printf(m, "bridge_packets=%u\n", ap->bridge_packets);
+	seq_printf(m, "nullfunc_ack=%u\n", ap->nullfunc_ack);
+	seq_printf(m, "autom_ap_wds=%u\n", ap->autom_ap_wds);
+	seq_printf(m, "auth_algs=%u\n", ap->local->auth_algs);
+	seq_printf(m, "tx_drop_nonassoc=%u\n", ap->tx_drop_nonassoc);
+	return 0;
+}
 
-	return (p - page);
+static int ap_debug_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, ap_debug_proc_show, PDE_DATA(inode));
 }
+
+static const struct file_operations ap_debug_proc_fops = {
+	.open		= ap_debug_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 #endif /* PRISM2_NO_PROCFS_DEBUG */
 
 
@@ -97,13 +107,12 @@ static void ap_sta_hash_del(struct ap_data *ap, struct sta_info *sta)
 
 	s = ap->sta_hash[STA_HASH(sta->addr)];
 	if (s == NULL) return;
-	if (memcmp(s->addr, sta->addr, ETH_ALEN) == 0) {
+	if (ether_addr_equal(s->addr, sta->addr)) {
 		ap->sta_hash[STA_HASH(sta->addr)] = s->hnext;
 		return;
 	}
 
-	while (s->hnext != NULL && memcmp(s->hnext->addr, sta->addr, ETH_ALEN)
-	       != 0)
+	while (s->hnext != NULL && !ether_addr_equal(s->hnext->addr, sta->addr))
 		s = s->hnext;
 	if (s->hnext != NULL)
 		s->hnext = s->hnext->hnext;
@@ -138,7 +147,7 @@ static void ap_free_sta(struct ap_data *ap, struct sta_info *sta)
 
 	if (!sta->ap && sta->u.sta.challenge)
 		kfree(sta->u.sta.challenge);
-	del_timer(&sta->timer);
+	del_timer_sync(&sta->timer);
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
 	kfree(sta);
@@ -321,50 +330,81 @@ void hostap_deauth_all_stas(struct net_device *dev, struct ap_data *ap,
 }
 
 
-static int ap_control_proc_read(char *page, char **start, off_t off,
-				int count, int *eof, void *data)
+static int ap_control_proc_show(struct seq_file *m, void *v)
 {
-	char *p = page;
-	struct ap_data *ap = (struct ap_data *) data;
+	struct ap_data *ap = m->private;
 	char *policy_txt;
 	struct mac_entry *entry;
 
-	if (off != 0) {
-		*eof = 1;
+	if (v == SEQ_START_TOKEN) {
+		switch (ap->mac_restrictions.policy) {
+		case MAC_POLICY_OPEN:
+			policy_txt = "open";
+			break;
+		case MAC_POLICY_ALLOW:
+			policy_txt = "allow";
+			break;
+		case MAC_POLICY_DENY:
+			policy_txt = "deny";
+			break;
+		default:
+			policy_txt = "unknown";
+			break;
+		}
+		seq_printf(m, "MAC policy: %s\n", policy_txt);
+		seq_printf(m, "MAC entries: %u\n", ap->mac_restrictions.entries);
+		seq_puts(m, "MAC list:\n");
 		return 0;
 	}
 
-	switch (ap->mac_restrictions.policy) {
-	case MAC_POLICY_OPEN:
-		policy_txt = "open";
-		break;
-	case MAC_POLICY_ALLOW:
-		policy_txt = "allow";
-		break;
-	case MAC_POLICY_DENY:
-		policy_txt = "deny";
-		break;
-	default:
-		policy_txt = "unknown";
-		break;
-	};
-	p += sprintf(p, "MAC policy: %s\n", policy_txt);
-	p += sprintf(p, "MAC entries: %u\n", ap->mac_restrictions.entries);
-	p += sprintf(p, "MAC list:\n");
+	entry = v;
+	seq_printf(m, "%pM\n", entry->addr);
+	return 0;
+}
+
+static void *ap_control_proc_start(struct seq_file *m, loff_t *_pos)
+{
+	struct ap_data *ap = m->private;
 	spin_lock_bh(&ap->mac_restrictions.lock);
-	list_for_each_entry(entry, &ap->mac_restrictions.mac_list, list) {
-		if (p - page > PAGE_SIZE - 80) {
-			p += sprintf(p, "All entries did not fit one page.\n");
-			break;
-		}
+	return seq_list_start_head(&ap->mac_restrictions.mac_list, *_pos);
+}
 
-		p += sprintf(p, "%pM\n", entry->addr);
-	}
+static void *ap_control_proc_next(struct seq_file *m, void *v, loff_t *_pos)
+{
+	struct ap_data *ap = m->private;
+	return seq_list_next(v, &ap->mac_restrictions.mac_list, _pos);
+}
+
+static void ap_control_proc_stop(struct seq_file *m, void *v)
+{
+	struct ap_data *ap = m->private;
 	spin_unlock_bh(&ap->mac_restrictions.lock);
+}
 
-	return (p - page);
+static const struct seq_operations ap_control_proc_seqops = {
+	.start	= ap_control_proc_start,
+	.next	= ap_control_proc_next,
+	.stop	= ap_control_proc_stop,
+	.show	= ap_control_proc_show,
+};
+
+static int ap_control_proc_open(struct inode *inode, struct file *file)
+{
+	int ret = seq_open(file, &ap_control_proc_seqops);
+	if (ret == 0) {
+		struct seq_file *m = file->private_data;
+		m->private = PDE_DATA(inode);
+	}
+	return ret;
 }
 
+static const struct file_operations ap_control_proc_fops = {
+	.open		= ap_control_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
+
 
 int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac)
 {
@@ -372,7 +412,7 @@ int ap_control_add_mac(struct mac_restrictions *mac_restrictions, u8 *mac)
 
 	entry = kmalloc(sizeof(struct mac_entry), GFP_KERNEL);
 	if (entry == NULL)
-		return -1;
+		return -ENOMEM;
 
 	memcpy(entry->addr, mac, ETH_ALEN);
 
@@ -395,7 +435,7 @@ int ap_control_del_mac(struct mac_restrictions *mac_restrictions, u8 *mac)
 	     ptr != &mac_restrictions->mac_list; ptr = ptr->next) {
 		entry = list_entry(ptr, struct mac_entry, list);
 
-		if (memcmp(entry->addr, mac, ETH_ALEN) == 0) {
+		if (ether_addr_equal(entry->addr, mac)) {
 			list_del(ptr);
 			kfree(entry);
 			mac_restrictions->entries--;
@@ -419,7 +459,7 @@ static int ap_control_mac_deny(struct mac_restrictions *mac_restrictions,
 
 	spin_lock_bh(&mac_restrictions->lock);
 	list_for_each_entry(entry, &mac_restrictions->mac_list, list) {
-		if (memcmp(entry->addr, mac, ETH_ALEN) == 0) {
+		if (ether_addr_equal(entry->addr, mac)) {
 			found = 1;
 			break;
 		}
@@ -506,61 +546,84 @@ void ap_control_kickall(struct ap_data *ap)
 
 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
 
-#define PROC_LIMIT (PAGE_SIZE - 80)
-
-static int prism2_ap_proc_read(char *page, char **start, off_t off,
-			       int count, int *eof, void *data)
+static int prism2_ap_proc_show(struct seq_file *m, void *v)
 {
-	char *p = page;
-	struct ap_data *ap = (struct ap_data *) data;
-	struct sta_info *sta;
+	struct sta_info *sta = v;
 	int i;
 
-	if (off > PROC_LIMIT) {
-		*eof = 1;
+	if (v == SEQ_START_TOKEN) {
+		seq_printf(m, "# BSSID CHAN SIGNAL NOISE RATE SSID FLAGS\n");
 		return 0;
 	}
 
-	p += sprintf(p, "# BSSID CHAN SIGNAL NOISE RATE SSID FLAGS\n");
-	spin_lock_bh(&ap->sta_table_lock);
-	list_for_each_entry(sta, &ap->sta_list, list) {
-		if (!sta->ap)
-			continue;
+	if (!sta->ap)
+		return 0;
 
-		p += sprintf(p, "%pM %d %d %d %d '",
-			     sta->addr,
-			     sta->u.ap.channel, sta->last_rx_signal,
-			     sta->last_rx_silence, sta->last_rx_rate);
-		for (i = 0; i < sta->u.ap.ssid_len; i++)
-			p += sprintf(p, ((sta->u.ap.ssid[i] >= 32 &&
-					  sta->u.ap.ssid[i] < 127) ?
-					 "%c" : "<%02x>"),
-				     sta->u.ap.ssid[i]);
-		p += sprintf(p, "'");
-		if (sta->capability & WLAN_CAPABILITY_ESS)
-			p += sprintf(p, " [ESS]");
-		if (sta->capability & WLAN_CAPABILITY_IBSS)
-			p += sprintf(p, " [IBSS]");
-		if (sta->capability & WLAN_CAPABILITY_PRIVACY)
-			p += sprintf(p, " [WEP]");
-		p += sprintf(p, "\n");
-
-		if ((p - page) > PROC_LIMIT) {
-			printk(KERN_DEBUG "hostap: ap proc did not fit\n");
-			break;
-		}
-	}
-	spin_unlock_bh(&ap->sta_table_lock);
+	seq_printf(m, "%pM %d %d %d %d '",
+		   sta->addr,
+		   sta->u.ap.channel, sta->last_rx_signal,
+		   sta->last_rx_silence, sta->last_rx_rate);
 
-	if ((p - page) <= off) {
-		*eof = 1;
-		return 0;
+	for (i = 0; i < sta->u.ap.ssid_len; i++) {
+		if (sta->u.ap.ssid[i] >= 32 && sta->u.ap.ssid[i] < 127)
+			seq_putc(m, sta->u.ap.ssid[i]);
+		else
+			seq_printf(m, "<%02x>", sta->u.ap.ssid[i]);
 	}
 
-	*start = page + off;
+	seq_putc(m, '\'');
+	if (sta->capability & WLAN_CAPABILITY_ESS)
+		seq_puts(m, " [ESS]");
+	if (sta->capability & WLAN_CAPABILITY_IBSS)
+		seq_puts(m, " [IBSS]");
+	if (sta->capability & WLAN_CAPABILITY_PRIVACY)
+		seq_puts(m, " [WEP]");
+	seq_putc(m, '\n');
+	return 0;
+}
 
-	return (p - page - off);
+static void *prism2_ap_proc_start(struct seq_file *m, loff_t *_pos)
+{
+	struct ap_data *ap = m->private;
+	spin_lock_bh(&ap->sta_table_lock);
+	return seq_list_start_head(&ap->sta_list, *_pos);
+}
+
+static void *prism2_ap_proc_next(struct seq_file *m, void *v, loff_t *_pos)
+{
+	struct ap_data *ap = m->private;
+	return seq_list_next(v, &ap->sta_list, _pos);
+}
+
+static void prism2_ap_proc_stop(struct seq_file *m, void *v)
+{
+	struct ap_data *ap = m->private;
+	spin_unlock_bh(&ap->sta_table_lock);
 }
+
+static const struct seq_operations prism2_ap_proc_seqops = {
+	.start	= prism2_ap_proc_start,
+	.next	= prism2_ap_proc_next,
+	.stop	= prism2_ap_proc_stop,
+	.show	= prism2_ap_proc_show,
+};
+
+static int prism2_ap_proc_open(struct inode *inode, struct file *file)
+{
+	int ret = seq_open(file, &prism2_ap_proc_seqops);
+	if (ret == 0) {
+		struct seq_file *m = file->private_data;
+		m->private = PDE_DATA(inode);
+	}
+	return ret;
+}
+
+static const struct file_operations prism2_ap_proc_fops = {
+	.open		= prism2_ap_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= seq_release,
+};
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
 
@@ -588,28 +651,24 @@ void hostap_check_sta_fw_version(struct ap_data *ap, int sta_fw_ver)
 static void hostap_ap_tx_cb(struct sk_buff *skb, int ok, void *data)
 {
 	struct ap_data *ap = data;
-	u16 fc;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 
 	if (!ap->local->hostapd || !ap->local->apdev) {
 		dev_kfree_skb(skb);
 		return;
 	}
 
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
-	fc = le16_to_cpu(hdr->frame_ctl);
-
 	/* Pass the TX callback frame to the hostapd; use 802.11 header version
 	 * 1 to indicate failure (no ACK) and 2 success (frame ACKed) */
 
-	fc &= ~IEEE80211_FCTL_VERS;
-	fc |= ok ? BIT(1) : BIT(0);
-	hdr->frame_ctl = cpu_to_le16(fc);
+	hdr = (struct ieee80211_hdr *) skb->data;
+	hdr->frame_control &= cpu_to_le16(~IEEE80211_FCTL_VERS);
+	hdr->frame_control |= cpu_to_le16(ok ? BIT(1) : BIT(0));
 
 	skb->dev = ap->local->apdev;
-	skb_pull(skb, hostap_80211_get_hdrlen(fc));
+	skb_pull(skb, hostap_80211_get_hdrlen(hdr->frame_control));
 	skb->pkt_type = PACKET_OTHERHOST;
-	skb->protocol = __constant_htons(ETH_P_802_2);
+	skb->protocol = cpu_to_be16(ETH_P_802_2);
 	memset(skb->cb, 0, sizeof(skb->cb));
 	netif_rx(skb);
 }
@@ -621,8 +680,8 @@ static void hostap_ap_tx_cb_auth(struct sk_buff *skb, int ok, void *data)
 {
 	struct ap_data *ap = data;
 	struct net_device *dev = ap->local->dev;
-	struct ieee80211_hdr_4addr *hdr;
-	u16 fc, auth_alg, auth_transaction, status;
+	struct ieee80211_hdr *hdr;
+	u16 auth_alg, auth_transaction, status;
 	__le16 *pos;
 	struct sta_info *sta = NULL;
 	char *txt = NULL;
@@ -632,10 +691,8 @@ static void hostap_ap_tx_cb_auth(struct sk_buff *skb, int ok, void *data)
 		return;
 	}
 
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
-	fc = le16_to_cpu(hdr->frame_ctl);
-	if (WLAN_FC_GET_TYPE(fc) != IEEE80211_FTYPE_MGMT ||
-	    WLAN_FC_GET_STYPE(fc) != IEEE80211_STYPE_AUTH ||
+	hdr = (struct ieee80211_hdr *) skb->data;
+	if (!ieee80211_is_auth(hdr->frame_control) ||
 	    skb->len < IEEE80211_MGMT_HDR_LEN + 6) {
 		printk(KERN_DEBUG "%s: hostap_ap_tx_cb_auth received invalid "
 		       "frame\n", dev->name);
@@ -691,8 +748,8 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data)
 {
 	struct ap_data *ap = data;
 	struct net_device *dev = ap->local->dev;
-	struct ieee80211_hdr_4addr *hdr;
-	u16 fc, status;
+	struct ieee80211_hdr *hdr;
+	u16 status;
 	__le16 *pos;
 	struct sta_info *sta = NULL;
 	char *txt = NULL;
@@ -702,11 +759,9 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data)
 		return;
 	}
 
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
-	fc = le16_to_cpu(hdr->frame_ctl);
-	if (WLAN_FC_GET_TYPE(fc) != IEEE80211_FTYPE_MGMT ||
-	    (WLAN_FC_GET_STYPE(fc) != IEEE80211_STYPE_ASSOC_RESP &&
-	     WLAN_FC_GET_STYPE(fc) != IEEE80211_STYPE_REASSOC_RESP) ||
+	hdr = (struct ieee80211_hdr *) skb->data;
+	if ((!ieee80211_is_assoc_resp(hdr->frame_control) &&
+	     !ieee80211_is_reassoc_resp(hdr->frame_control)) ||
 	    skb->len < IEEE80211_MGMT_HDR_LEN + 4) {
 		printk(KERN_DEBUG "%s: hostap_ap_tx_cb_assoc received invalid "
 		       "frame\n", dev->name);
@@ -757,12 +812,12 @@ static void hostap_ap_tx_cb_assoc(struct sk_buff *skb, int ok, void *data)
 static void hostap_ap_tx_cb_poll(struct sk_buff *skb, int ok, void *data)
 {
 	struct ap_data *ap = data;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 	struct sta_info *sta;
 
 	if (skb->len < 24)
 		goto fail;
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	hdr = (struct ieee80211_hdr *) skb->data;
 	if (ok) {
 		spin_lock(&ap->sta_table_lock);
 		sta = ap_get_sta(ap, hdr->addr1);
@@ -840,15 +895,12 @@ void hostap_init_ap_proc(local_info_t *local)
 		return;
 
 #ifndef PRISM2_NO_PROCFS_DEBUG
-	create_proc_read_entry("ap_debug", 0, ap->proc,
-			       ap_debug_proc_read, ap);
+	proc_create_data("ap_debug", 0, ap->proc, &ap_debug_proc_fops, ap);
 #endif /* PRISM2_NO_PROCFS_DEBUG */
 
 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
-	create_proc_read_entry("ap_control", 0, ap->proc,
-			       ap_control_proc_read, ap);
-	create_proc_read_entry("ap", 0, ap->proc,
-			       prism2_ap_proc_read, ap);
+	proc_create_data("ap_control", 0, ap->proc, &ap_control_proc_fops, ap);
+	proc_create_data("ap", 0, ap->proc, &prism2_ap_proc_fops, ap);
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
 }
@@ -864,7 +916,10 @@ void hostap_free_data(struct ap_data *ap)
 		return;
 	}
 
+	flush_work(&ap->add_sta_proc_queue);
+
 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
+	flush_work(&ap->wds_oper_queue);
 	if (ap->crypt)
 		ap->crypt->deinit(ap->crypt_priv);
 	ap->crypt = ap->crypt_priv = NULL;
@@ -902,7 +957,7 @@ static struct sta_info* ap_get_sta(struct ap_data *ap, u8 *sta)
 	struct sta_info *s;
 
 	s = ap->sta_hash[STA_HASH(sta)];
-	while (s != NULL && memcmp(s->addr, sta, ETH_ALEN) != 0)
+	while (s != NULL && !ether_addr_equal(s->addr, sta))
 		s = s->hnext;
 	return s;
 }
@@ -917,7 +972,7 @@ static void prism2_send_mgmt(struct net_device *dev,
 {
 	struct hostap_interface *iface;
 	local_info_t *local;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 	u16 fc;
 	struct sk_buff *skb;
 	struct hostap_skb_tx_data *meta;
@@ -942,8 +997,8 @@ static void prism2_send_mgmt(struct net_device *dev,
 	}
 
 	fc = type_subtype;
-	hdrlen = hostap_80211_get_hdrlen(fc);
-	hdr = (struct ieee80211_hdr_4addr *) skb_put(skb, hdrlen);
+	hdrlen = hostap_80211_get_hdrlen(cpu_to_le16(type_subtype));
+	hdr = (struct ieee80211_hdr *) skb_put(skb, hdrlen);
 	if (body)
 		memcpy(skb_put(skb, body_len), body, body_len);
 
@@ -954,11 +1009,11 @@ static void prism2_send_mgmt(struct net_device *dev,
 
 
 	memcpy(hdr->addr1, addr, ETH_ALEN); /* DA / RA */
-	if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_DATA) {
+	if (ieee80211_is_data(hdr->frame_control)) {
 		fc |= IEEE80211_FCTL_FROMDS;
 		memcpy(hdr->addr2, dev->dev_addr, ETH_ALEN); /* BSSID */
 		memcpy(hdr->addr3, dev->dev_addr, ETH_ALEN); /* SA */
-	} else if (WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_CTL) {
+	} else if (ieee80211_is_ctl(hdr->frame_control)) {
 		/* control:ACK does not have addr2 or addr3 */
 		memset(hdr->addr2, 0, ETH_ALEN);
 		memset(hdr->addr3, 0, ETH_ALEN);
@@ -967,7 +1022,7 @@ static void prism2_send_mgmt(struct net_device *dev,
 		memcpy(hdr->addr3, dev->dev_addr, ETH_ALEN); /* BSSID */
 	}
 
-	hdr->frame_ctl = cpu_to_le16(fc);
+	hdr->frame_control = cpu_to_le16(fc);
 
 	meta = (struct hostap_skb_tx_data *) skb->cb;
 	memset(meta, 0, sizeof(*meta));
@@ -983,79 +1038,86 @@ static void prism2_send_mgmt(struct net_device *dev,
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
 
-static int prism2_sta_proc_read(char *page, char **start, off_t off,
-				int count, int *eof, void *data)
+static int prism2_sta_proc_show(struct seq_file *m, void *v)
 {
-	char *p = page;
-	struct sta_info *sta = (struct sta_info *) data;
+	struct sta_info *sta = m->private;
 	int i;
 
 	/* FIX: possible race condition.. the STA data could have just expired,
 	 * but proc entry was still here so that the read could have started;
 	 * some locking should be done here.. */
 
-	if (off != 0) {
-		*eof = 1;
-		return 0;
-	}
-
-	p += sprintf(p, "%s=%pM\nusers=%d\naid=%d\n"
-		     "flags=0x%04x%s%s%s%s%s%s%s\n"
-		     "capability=0x%02x\nlisten_interval=%d\nsupported_rates=",
-		     sta->ap ? "AP" : "STA",
-		     sta->addr, atomic_read(&sta->users), sta->aid,
-		     sta->flags,
-		     sta->flags & WLAN_STA_AUTH ? " AUTH" : "",
-		     sta->flags & WLAN_STA_ASSOC ? " ASSOC" : "",
-		     sta->flags & WLAN_STA_PS ? " PS" : "",
-		     sta->flags & WLAN_STA_TIM ? " TIM" : "",
-		     sta->flags & WLAN_STA_PERM ? " PERM" : "",
-		     sta->flags & WLAN_STA_AUTHORIZED ? " AUTHORIZED" : "",
-		     sta->flags & WLAN_STA_PENDING_POLL ? " POLL" : "",
-		     sta->capability, sta->listen_interval);
+	seq_printf(m,
+		   "%s=%pM\nusers=%d\naid=%d\n"
+		   "flags=0x%04x%s%s%s%s%s%s%s\n"
+		   "capability=0x%02x\nlisten_interval=%d\nsupported_rates=",
+		   sta->ap ? "AP" : "STA",
+		   sta->addr, atomic_read(&sta->users), sta->aid,
+		   sta->flags,
+		   sta->flags & WLAN_STA_AUTH ? " AUTH" : "",
+		   sta->flags & WLAN_STA_ASSOC ? " ASSOC" : "",
+		   sta->flags & WLAN_STA_PS ? " PS" : "",
+		   sta->flags & WLAN_STA_TIM ? " TIM" : "",
+		   sta->flags & WLAN_STA_PERM ? " PERM" : "",
+		   sta->flags & WLAN_STA_AUTHORIZED ? " AUTHORIZED" : "",
+		   sta->flags & WLAN_STA_PENDING_POLL ? " POLL" : "",
+		   sta->capability, sta->listen_interval);
 	/* supported_rates: 500 kbit/s units with msb ignored */
 	for (i = 0; i < sizeof(sta->supported_rates); i++)
 		if (sta->supported_rates[i] != 0)
-			p += sprintf(p, "%d%sMbps ",
-				     (sta->supported_rates[i] & 0x7f) / 2,
-				     sta->supported_rates[i] & 1 ? ".5" : "");
-	p += sprintf(p, "\njiffies=%lu\nlast_auth=%lu\nlast_assoc=%lu\n"
-		     "last_rx=%lu\nlast_tx=%lu\nrx_packets=%lu\n"
-		     "tx_packets=%lu\n"
-		     "rx_bytes=%lu\ntx_bytes=%lu\nbuffer_count=%d\n"
-		     "last_rx: silence=%d dBm signal=%d dBm rate=%d%s Mbps\n"
-		     "tx_rate=%d\ntx[1M]=%d\ntx[2M]=%d\ntx[5.5M]=%d\n"
-		     "tx[11M]=%d\n"
-		     "rx[1M]=%d\nrx[2M]=%d\nrx[5.5M]=%d\nrx[11M]=%d\n",
-		     jiffies, sta->last_auth, sta->last_assoc, sta->last_rx,
-		     sta->last_tx,
-		     sta->rx_packets, sta->tx_packets, sta->rx_bytes,
-		     sta->tx_bytes, skb_queue_len(&sta->tx_buf),
-		     sta->last_rx_silence,
-		     sta->last_rx_signal, sta->last_rx_rate / 10,
-		     sta->last_rx_rate % 10 ? ".5" : "",
-		     sta->tx_rate, sta->tx_count[0], sta->tx_count[1],
-		     sta->tx_count[2], sta->tx_count[3],  sta->rx_count[0],
-		     sta->rx_count[1], sta->rx_count[2], sta->rx_count[3]);
+			seq_printf(m, "%d%sMbps ",
+				   (sta->supported_rates[i] & 0x7f) / 2,
+				   sta->supported_rates[i] & 1 ? ".5" : "");
+	seq_printf(m,
+		   "\njiffies=%lu\nlast_auth=%lu\nlast_assoc=%lu\n"
+		   "last_rx=%lu\nlast_tx=%lu\nrx_packets=%lu\n"
+		   "tx_packets=%lu\n"
+		   "rx_bytes=%lu\ntx_bytes=%lu\nbuffer_count=%d\n"
+		   "last_rx: silence=%d dBm signal=%d dBm rate=%d%s Mbps\n"
+		   "tx_rate=%d\ntx[1M]=%d\ntx[2M]=%d\ntx[5.5M]=%d\n"
+		   "tx[11M]=%d\n"
+		   "rx[1M]=%d\nrx[2M]=%d\nrx[5.5M]=%d\nrx[11M]=%d\n",
+		   jiffies, sta->last_auth, sta->last_assoc, sta->last_rx,
+		   sta->last_tx,
+		   sta->rx_packets, sta->tx_packets, sta->rx_bytes,
+		   sta->tx_bytes, skb_queue_len(&sta->tx_buf),
+		   sta->last_rx_silence,
+		   sta->last_rx_signal, sta->last_rx_rate / 10,
+		   sta->last_rx_rate % 10 ? ".5" : "",
+		   sta->tx_rate, sta->tx_count[0], sta->tx_count[1],
+		   sta->tx_count[2], sta->tx_count[3],  sta->rx_count[0],
+		   sta->rx_count[1], sta->rx_count[2], sta->rx_count[3]);
 	if (sta->crypt && sta->crypt->ops && sta->crypt->ops->print_stats)
-		p = sta->crypt->ops->print_stats(p, sta->crypt->priv);
+		sta->crypt->ops->print_stats(m, sta->crypt->priv);
 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
 	if (sta->ap) {
 		if (sta->u.ap.channel >= 0)
-			p += sprintf(p, "channel=%d\n", sta->u.ap.channel);
-		p += sprintf(p, "ssid=");
-		for (i = 0; i < sta->u.ap.ssid_len; i++)
-			p += sprintf(p, ((sta->u.ap.ssid[i] >= 32 &&
-					  sta->u.ap.ssid[i] < 127) ?
-					 "%c" : "<%02x>"),
-				     sta->u.ap.ssid[i]);
-		p += sprintf(p, "\n");
+			seq_printf(m, "channel=%d\n", sta->u.ap.channel);
+		seq_puts(m, "ssid=");
+		for (i = 0; i < sta->u.ap.ssid_len; i++) {
+			if (sta->u.ap.ssid[i] >= 32 && sta->u.ap.ssid[i] < 127)
+				seq_putc(m, sta->u.ap.ssid[i]);
+			else
+				seq_printf(m, "<%02x>", sta->u.ap.ssid[i]);
+		}
+		seq_putc(m, '\n');
 	}
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 
-	return (p - page);
+	return 0;
+}
+
+static int prism2_sta_proc_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, prism2_sta_proc_show, PDE_DATA(inode));
 }
 
+static const struct file_operations prism2_sta_proc_fops = {
+	.open		= prism2_sta_proc_open,
+	.read		= seq_read,
+	.llseek		= seq_lseek,
+	.release	= single_release,
+};
 
 static void handle_add_proc_queue(struct work_struct *work)
 {
@@ -1077,9 +1139,9 @@ static void handle_add_proc_queue(struct work_struct *work)
 
 		if (sta) {
 			sprintf(name, "%pM", sta->addr);
-			sta->proc = create_proc_read_entry(
+			sta->proc = proc_create_data(
 				name, 0, ap->proc,
-				prism2_sta_proc_read, sta);
+				&prism2_sta_proc_fops, sta);
 
 			atomic_dec(&sta->users);
 		}
@@ -1230,7 +1292,7 @@ static void ap_crypt_init(struct ap_data *ap)
 
 
 /* Generate challenge data for shared key authentication. IEEE 802.11 specifies
- * that WEP algorithm is used for generating challange. This should be unique,
+ * that WEP algorithm is used for generating challenge. This should be unique,
  * but otherwise there is not really need for randomness etc. Initialize WEP
  * with pseudo random key and then use increasing IV to get unique challenge
  * streams.
@@ -1284,22 +1346,21 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb,
 			  struct hostap_80211_rx_status *rx_stats)
 {
 	struct net_device *dev = local->dev;
-	struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	size_t hdrlen;
 	struct ap_data *ap = local->ap;
 	char body[8 + WLAN_AUTH_CHALLENGE_LEN], *challenge = NULL;
 	int len, olen;
 	u16 auth_alg, auth_transaction, status_code;
 	__le16 *pos;
-	u16 resp = WLAN_STATUS_SUCCESS, fc;
+	u16 resp = WLAN_STATUS_SUCCESS;
 	struct sta_info *sta = NULL;
 	struct lib80211_crypt_data *crypt;
 	char *txt = "";
 
 	len = skb->len - IEEE80211_MGMT_HDR_LEN;
 
-	fc = le16_to_cpu(hdr->frame_ctl);
-	hdrlen = hostap_80211_get_hdrlen(fc);
+	hdrlen = hostap_80211_get_hdrlen(hdr->frame_control);
 
 	if (len < 6) {
 		PDEBUG(DEBUG_AP, "%s: handle_authen - too short payload "
@@ -1330,7 +1391,7 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb,
 	status_code = __le16_to_cpu(*pos);
 	pos++;
 
-	if (memcmp(dev->dev_addr, hdr->addr2, ETH_ALEN) == 0 ||
+	if (ether_addr_equal(dev->dev_addr, hdr->addr2) ||
 	    ap_control_mac_deny(&ap->mac_restrictions, hdr->addr2)) {
 		txt = "authentication denied";
 		resp = WLAN_STATUS_UNSPECIFIED_FAILURE;
@@ -1435,7 +1496,7 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb,
 			    challenge == NULL ||
 			    memcmp(sta->u.sta.challenge, challenge,
 				   WLAN_AUTH_CHALLENGE_LEN) != 0 ||
-			    !(fc & IEEE80211_FCTL_PROTECTED)) {
+			    !ieee80211_has_protected(hdr->frame_control)) {
 				txt = "challenge response incorrect";
 				resp = WLAN_STATUS_CHALLENGE_FAIL;
 				goto fail;
@@ -1488,7 +1549,7 @@ static void handle_authen(local_info_t *local, struct sk_buff *skb,
 		       "trans#=%d stat=%d len=%d fc=%04x) ==> %d (%s)\n",
 		       dev->name, hdr->addr2,
 		       auth_alg, auth_transaction, status_code, len,
-		       fc, resp, txt);
+		       le16_to_cpu(hdr->frame_control), resp, txt);
 	}
 }
 
@@ -1498,7 +1559,7 @@ static void handle_assoc(local_info_t *local, struct sk_buff *skb,
 			 struct hostap_80211_rx_status *rx_stats, int reassoc)
 {
 	struct net_device *dev = local->dev;
-	struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	char body[12], *p, *lpos;
 	int len, left;
 	__le16 *pos;
@@ -1707,7 +1768,7 @@ static void handle_deauth(local_info_t *local, struct sk_buff *skb,
 			  struct hostap_80211_rx_status *rx_stats)
 {
 	struct net_device *dev = local->dev;
-	struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	char *body = (char *) (skb->data + IEEE80211_MGMT_HDR_LEN);
 	int len;
 	u16 reason_code;
@@ -1749,7 +1810,7 @@ static void handle_disassoc(local_info_t *local, struct sk_buff *skb,
 			    struct hostap_80211_rx_status *rx_stats)
 {
 	struct net_device *dev = local->dev;
-	struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	char *body = skb->data + IEEE80211_MGMT_HDR_LEN;
 	int len;
 	u16 reason_code;
@@ -1788,7 +1849,7 @@ static void handle_disassoc(local_info_t *local, struct sk_buff *skb,
 
 /* Called only as a scheduled task for pending AP frames. */
 static void ap_handle_data_nullfunc(local_info_t *local,
-				    struct ieee80211_hdr_4addr *hdr)
+				    struct ieee80211_hdr *hdr)
 {
 	struct net_device *dev = local->dev;
 
@@ -1805,7 +1866,7 @@ static void ap_handle_data_nullfunc(local_info_t *local,
 
 /* Called only as a scheduled task for pending AP frames. */
 static void ap_handle_dropped_data(local_info_t *local,
-				   struct ieee80211_hdr_4addr *hdr)
+				   struct ieee80211_hdr *hdr)
 {
 	struct net_device *dev = local->dev;
 	struct sta_info *sta;
@@ -1863,7 +1924,7 @@ static void pspoll_send_buffered(local_info_t *local, struct sta_info *sta,
 
 /* Called only as a scheduled task for pending AP frames. */
 static void handle_pspoll(local_info_t *local,
-			  struct ieee80211_hdr_4addr *hdr,
+			  struct ieee80211_hdr *hdr,
 			  struct hostap_80211_rx_status *rx_stats)
 {
 	struct net_device *dev = local->dev;
@@ -1872,10 +1933,9 @@ static void handle_pspoll(local_info_t *local,
 	struct sk_buff *skb;
 
 	PDEBUG(DEBUG_PS2, "handle_pspoll: BSSID=%pM, TA=%pM PWRMGT=%d\n",
-	       hdr->addr1, hdr->addr2,
-	       !!(le16_to_cpu(hdr->frame_ctl) & IEEE80211_FCTL_PM));
+	       hdr->addr1, hdr->addr2, !!ieee80211_has_pm(hdr->frame_control));
 
-	if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
+	if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) {
 		PDEBUG(DEBUG_AP,
 		       "handle_pspoll - addr1(BSSID)=%pM not own MAC\n",
 		       hdr->addr1);
@@ -1984,7 +2044,7 @@ static void handle_wds_oper_queue(struct work_struct *work)
 static void handle_beacon(local_info_t *local, struct sk_buff *skb,
 			  struct hostap_80211_rx_status *rx_stats)
 {
-	struct ieee80211_hdr_4addr *hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data;
 	char *body = skb->data + IEEE80211_MGMT_HDR_LEN;
 	int len, left;
 	u16 beacon_int, capability;
@@ -2143,14 +2203,14 @@ static void handle_ap_item(local_info_t *local, struct sk_buff *skb,
 	struct net_device *dev = local->dev;
 #endif /* PRISM2_NO_KERNEL_IEEE80211_MGMT */
 	u16 fc, type, stype;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 
 	/* FIX: should give skb->len to handler functions and check that the
 	 * buffer is long enough */
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
-	fc = le16_to_cpu(hdr->frame_ctl);
-	type = WLAN_FC_GET_TYPE(fc);
-	stype = WLAN_FC_GET_STYPE(fc);
+	hdr = (struct ieee80211_hdr *) skb->data;
+	fc = le16_to_cpu(hdr->frame_control);
+	type = fc & IEEE80211_FCTL_FTYPE;
+	stype = fc & IEEE80211_FCTL_STYPE;
 
 #ifndef PRISM2_NO_KERNEL_IEEE80211_MGMT
 	if (!local->hostapd && type == IEEE80211_FTYPE_DATA) {
@@ -2170,7 +2230,7 @@ static void handle_ap_item(local_info_t *local, struct sk_buff *skb,
 			goto done;
 		}
 
-		if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
+		if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) {
 			PDEBUG(DEBUG_AP, "handle_ap_item - addr1(BSSID)=%pM"
 			       " not own MAC\n", hdr->addr1);
 			goto done;
@@ -2207,13 +2267,13 @@ static void handle_ap_item(local_info_t *local, struct sk_buff *skb,
 		goto done;
 	}
 
-	if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN)) {
+	if (!ether_addr_equal(hdr->addr1, dev->dev_addr)) {
 		PDEBUG(DEBUG_AP, "handle_ap_item - addr1(DA)=%pM"
 		       " not own MAC\n", hdr->addr1);
 		goto done;
 	}
 
-	if (memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN)) {
+	if (!ether_addr_equal(hdr->addr3, dev->dev_addr)) {
 		PDEBUG(DEBUG_AP, "handle_ap_item - addr3(BSSID)=%pM"
 		       " not own MAC\n", hdr->addr3);
 		goto done;
@@ -2262,8 +2322,7 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb,
 {
 	struct hostap_interface *iface;
 	local_info_t *local;
-	u16 fc;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 
 	iface = netdev_priv(dev);
 	local = iface->local;
@@ -2271,17 +2330,15 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb,
 	if (skb->len < 16)
 		goto drop;
 
-	local->stats.rx_packets++;
+	dev->stats.rx_packets++;
 
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
-	fc = le16_to_cpu(hdr->frame_ctl);
+	hdr = (struct ieee80211_hdr *) skb->data;
 
 	if (local->ap->ap_policy == AP_OTHER_AP_SKIP_ALL &&
-	    WLAN_FC_GET_TYPE(fc) == IEEE80211_FTYPE_MGMT &&
-	    WLAN_FC_GET_STYPE(fc) == IEEE80211_STYPE_BEACON)
+	    ieee80211_is_beacon(hdr->frame_control))
 		goto drop;
 
-	skb->protocol = __constant_htons(ETH_P_HOSTAP);
+	skb->protocol = cpu_to_be16(ETH_P_HOSTAP);
 	handle_ap_item(local, skb, rx_stats);
 	return;
 
@@ -2294,7 +2351,7 @@ void hostap_rx(struct net_device *dev, struct sk_buff *skb,
 static void schedule_packet_send(local_info_t *local, struct sta_info *sta)
 {
 	struct sk_buff *skb;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 	struct hostap_80211_rx_status rx_stats;
 
 	if (skb_queue_empty(&sta->tx_buf))
@@ -2307,10 +2364,10 @@ static void schedule_packet_send(local_info_t *local, struct sta_info *sta)
 		return;
 	}
 
-	hdr = (struct ieee80211_hdr_4addr *) skb_put(skb, 16);
+	hdr = (struct ieee80211_hdr *) skb_put(skb, 16);
 
 	/* Generate a fake pspoll frame to start packet delivery */
-	hdr->frame_ctl = __constant_cpu_to_le16(
+	hdr->frame_control = cpu_to_le16(
 		IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
 	memcpy(hdr->addr1, local->dev->dev_addr, ETH_ALEN);
 	memcpy(hdr->addr2, sta->addr, ETH_ALEN);
@@ -2367,7 +2424,7 @@ int prism2_ap_get_sta_qual(local_info_t *local, struct sockaddr addr[],
 }
 
 
-/* Translate our list of Access Points & Stations to a card independant
+/* Translate our list of Access Points & Stations to a card independent
  * format that the Wireless Tools will understand - Jean II */
 int prism2_ap_translate_scan(struct net_device *dev,
 			     struct iw_request_info *info, char *buffer)
@@ -2689,7 +2746,7 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx)
 	struct sta_info *sta = NULL;
 	struct sk_buff *skb = tx->skb;
 	int set_tim, ret;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 	struct hostap_skb_tx_data *meta;
 
 	meta = (struct hostap_skb_tx_data *) skb->cb;
@@ -2698,7 +2755,7 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx)
 	    meta->iface->type == HOSTAP_INTERFACE_STA)
 		goto out;
 
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	hdr = (struct ieee80211_hdr *) skb->data;
 
 	if (hdr->addr1[0] & 0x01) {
 		/* broadcast/multicast frame - no AP related processing */
@@ -2753,8 +2810,8 @@ ap_tx_ret hostap_handle_sta_tx(local_info_t *local, struct hostap_tx_data *tx)
 
 	if (meta->flags & HOSTAP_TX_FLAGS_ADD_MOREDATA) {
 		/* indicate to STA that more frames follow */
-		hdr->frame_ctl |=
-			__constant_cpu_to_le16(IEEE80211_FCTL_MOREDATA);
+		hdr->frame_control |=
+			cpu_to_le16(IEEE80211_FCTL_MOREDATA);
 	}
 
 	if (meta->flags & HOSTAP_TX_FLAGS_BUFFERED_FRAME) {
@@ -2828,10 +2885,10 @@ void hostap_handle_sta_release(void *ptr)
 void hostap_handle_sta_tx_exc(local_info_t *local, struct sk_buff *skb)
 {
 	struct sta_info *sta;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 	struct hostap_skb_tx_data *meta;
 
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	hdr = (struct ieee80211_hdr *) skb->data;
 	meta = (struct hostap_skb_tx_data *) skb->cb;
 
 	spin_lock(&local->ap->sta_table_lock);
@@ -2898,8 +2955,8 @@ static void hostap_update_sta_ps2(local_info_t *local, struct sta_info *sta,
 
 
 /* Called only as a tasklet (software IRQ). Called for each RX frame to update
- * STA power saving state. pwrmgt is a flag from 802.11 frame_ctl field. */
-int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr_4addr *hdr)
+ * STA power saving state. pwrmgt is a flag from 802.11 frame_control field. */
+int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr *hdr)
 {
 	struct sta_info *sta;
 	u16 fc;
@@ -2913,9 +2970,10 @@ int hostap_update_sta_ps(local_info_t *local, struct ieee80211_hdr_4addr *hdr)
 	if (!sta)
 		return -1;
 
-	fc = le16_to_cpu(hdr->frame_ctl);
+	fc = le16_to_cpu(hdr->frame_control);
 	hostap_update_sta_ps2(local, sta, fc & IEEE80211_FCTL_PM,
-			      WLAN_FC_GET_TYPE(fc), WLAN_FC_GET_STYPE(fc));
+			      fc & IEEE80211_FCTL_FTYPE,
+			      fc & IEEE80211_FCTL_STYPE);
 
 	atomic_dec(&sta->users);
 	return 0;
@@ -2932,16 +2990,16 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev,
 	int ret;
 	struct sta_info *sta;
 	u16 fc, type, stype;
-	struct ieee80211_hdr_4addr *hdr;
+	struct ieee80211_hdr *hdr;
 
 	if (local->ap == NULL)
 		return AP_RX_CONTINUE;
 
-	hdr = (struct ieee80211_hdr_4addr *) skb->data;
+	hdr = (struct ieee80211_hdr *) skb->data;
 
-	fc = le16_to_cpu(hdr->frame_ctl);
-	type = WLAN_FC_GET_TYPE(fc);
-	stype = WLAN_FC_GET_STYPE(fc);
+	fc = le16_to_cpu(hdr->frame_control);
+	type = fc & IEEE80211_FCTL_FTYPE;
+	stype = fc & IEEE80211_FCTL_STYPE;
 
 	spin_lock(&local->ap->sta_table_lock);
 	sta = ap_get_sta(local->ap, hdr->addr2);
@@ -2977,7 +3035,7 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev,
 		if (!wds) {
 			/* FromDS frame - not for us; probably
 			 * broadcast/multicast in another BSS - drop */
-			if (memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0) {
+			if (ether_addr_equal(hdr->addr1, dev->dev_addr)) {
 				printk(KERN_DEBUG "Odd.. FromDS packet "
 				       "received with own BSSID\n");
 				hostap_dump_rx_80211(dev->name, skb, rx_stats);
@@ -2986,7 +3044,7 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev,
 			goto out;
 		}
 	} else if (stype == IEEE80211_STYPE_NULLFUNC && sta == NULL &&
-		   memcmp(hdr->addr1, dev->dev_addr, ETH_ALEN) == 0) {
+		   ether_addr_equal(hdr->addr1, dev->dev_addr)) {
 
 		if (local->hostapd) {
 			prism2_rx_80211(local->apdev, skb, rx_stats,
@@ -3015,7 +3073,7 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev,
 		/* If BSSID (Addr3) is foreign, this frame is a normal
 		 * broadcast frame from an IBSS network. Drop it silently.
 		 * If BSSID is own, report the dropping of this frame. */
-		if (memcmp(hdr->addr3, dev->dev_addr, ETH_ALEN) == 0) {
+		if (ether_addr_equal(hdr->addr3, dev->dev_addr)) {
 			printk(KERN_DEBUG "%s: dropped received packet from %pM"
 			       " with no ToDS flag "
 			       "(type=0x%02x, subtype=0x%02x)\n", dev->name,
@@ -3064,7 +3122,7 @@ ap_rx_ret hostap_handle_sta_rx(local_info_t *local, struct net_device *dev,
 
 /* Called only as a tasklet (software IRQ) */
 int hostap_handle_sta_crypto(local_info_t *local,
-			     struct ieee80211_hdr_4addr *hdr,
+			     struct ieee80211_hdr *hdr,
 			     struct lib80211_crypt_data **crypt,
 			     void **sta_ptr)
 {
@@ -3166,7 +3224,7 @@ int hostap_add_sta(struct ap_data *ap, u8 *sta_addr)
 
 /* Called only as a tasklet (software IRQ) */
 int hostap_update_rx_stats(struct ap_data *ap,
-			   struct ieee80211_hdr_4addr *hdr,
+			   struct ieee80211_hdr *hdr,
 			   struct hostap_80211_rx_status *rx_stats)
 {
 	struct sta_info *sta;