1 files changed, 729 insertions, 789 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index eb9eb766ac2..09dd8c13d84 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -14,84 +14,64 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/kthread.h>
-#include <linux/slab.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
 #include <linux/etherdevice.h>
-#include <linux/mmc/sdio_func.h>
-#include <linux/random.h>
-#include <linux/spinlock.h>
-#include <linux/ethtool.h>
-#include <linux/fcntl.h>
-#include <linux/fs.h>
-#include <linux/uaccess.h>
-#include <linux/hardirq.h>
-#include <linux/mutex.h>
-#include <linux/wait.h>
 #include <linux/module.h>
 #include <net/cfg80211.h>
 #include <net/rtnetlink.h>
-#include <defs.h>
 #include <brcmu_utils.h>
 #include <brcmu_wifi.h>
 
 #include "dhd.h"
 #include "dhd_bus.h"
-#include "dhd_proto.h"
 #include "dhd_dbg.h"
+#include "fwil_types.h"
+#include "p2p.h"
 #include "wl_cfg80211.h"
+#include "fwil.h"
+#include "fwsignal.h"
+#include "proto.h"
 
 MODULE_AUTHOR("Broadcom Corporation");
-MODULE_DESCRIPTION("Broadcom 802.11n wireless LAN fullmac driver.");
-MODULE_SUPPORTED_DEVICE("Broadcom 802.11n WLAN fullmac cards");
+MODULE_DESCRIPTION("Broadcom 802.11 wireless LAN fullmac driver.");
 MODULE_LICENSE("Dual BSD/GPL");
 
+#define MAX_WAIT_FOR_8021X_TX		50	/* msecs */
 
-/* Interface control information */
-struct brcmf_if {
-	struct brcmf_pub *drvr;	/* back pointer to brcmf_pub */
-	/* OS/stack specifics */
-	struct net_device *ndev;
-	struct net_device_stats stats;
-	int idx;		/* iface idx in dongle */
-	u8 mac_addr[ETH_ALEN];	/* assigned MAC address */
-};
-
-/* Error bits */
-int brcmf_msg_level = BRCMF_ERROR_VAL;
-module_param(brcmf_msg_level, int, 0);
-
-int brcmf_ifname2idx(struct brcmf_pub *drvr, char *name)
-{
-	int i = BRCMF_MAX_IFS;
-	struct brcmf_if *ifp;
+/* AMPDU rx reordering definitions */
+#define BRCMF_RXREORDER_FLOWID_OFFSET		0
+#define BRCMF_RXREORDER_MAXIDX_OFFSET		2
+#define BRCMF_RXREORDER_FLAGS_OFFSET		4
+#define BRCMF_RXREORDER_CURIDX_OFFSET		6
+#define BRCMF_RXREORDER_EXPIDX_OFFSET		8
 
-	if (name == NULL || *name == '\0')
-		return 0;
+#define BRCMF_RXREORDER_DEL_FLOW		0x01
+#define BRCMF_RXREORDER_FLUSH_ALL		0x02
+#define BRCMF_RXREORDER_CURIDX_VALID		0x04
+#define BRCMF_RXREORDER_EXPIDX_VALID		0x08
+#define BRCMF_RXREORDER_NEW_HOLE		0x10
 
-	while (--i > 0) {
-		ifp = drvr->iflist[i];
-		if (ifp && !strncmp(ifp->ndev->name, name, IFNAMSIZ))
-			break;
-	}
-
-	brcmf_dbg(TRACE, "return idx %d for \"%s\"\n", i, name);
+/* Error bits */
+int brcmf_msg_level;
+module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR);
+MODULE_PARM_DESC(debug, "level of debug output");
 
-	return i;		/* default - the primary interface */
-}
+/* P2P0 enable */
+static int brcmf_p2p_enable;
+#ifdef CONFIG_BRCMDBG
+module_param_named(p2pon, brcmf_p2p_enable, int, 0);
+MODULE_PARM_DESC(p2pon, "enable p2p management functionality");
+#endif
 
 char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx)
 {
 	if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) {
-		brcmf_dbg(ERROR, "ifidx %d out of range\n", ifidx);
+		brcmf_err("ifidx %d out of range\n", ifidx);
 		return "<if_bad>";
 	}
 
 	if (drvr->iflist[ifidx] == NULL) {
-		brcmf_dbg(ERROR, "null i/f %d\n", ifidx);
+		brcmf_err("null i/f %d\n", ifidx);
 		return "<if_null>";
 	}
 
@@ -103,38 +83,34 @@ char *brcmf_ifname(struct brcmf_pub *drvr, int ifidx)
 
 static void _brcmf_set_multicast_list(struct work_struct *work)
 {
+	struct brcmf_if *ifp;
 	struct net_device *ndev;
 	struct netdev_hw_addr *ha;
-	u32 dcmd_value, cnt;
+	u32 cmd_value, cnt;
 	__le32 cnt_le;
-	__le32 dcmd_le_value;
-
-	struct brcmf_dcmd dcmd;
 	char *buf, *bufp;
-	uint buflen;
-	int ret;
+	u32 buflen;
+	s32 err;
 
-	struct brcmf_pub *drvr = container_of(work, struct brcmf_pub,
-						    multicast_work);
+	ifp = container_of(work, struct brcmf_if, multicast_work);
 
-	ndev = drvr->iflist[0]->ndev;
-	cnt = netdev_mc_count(ndev);
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
+
+	ndev = ifp->ndev;
 
 	/* Determine initial value of allmulti flag */
-	dcmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false;
+	cmd_value = (ndev->flags & IFF_ALLMULTI) ? true : false;
 
 	/* Send down the multicast list first. */
-
-	buflen = sizeof("mcast_list") + sizeof(cnt) + (cnt * ETH_ALEN);
-	bufp = buf = kmalloc(buflen, GFP_ATOMIC);
-	if (!bufp)
+	cnt = netdev_mc_count(ndev);
+	buflen = sizeof(cnt) + (cnt * ETH_ALEN);
+	buf = kmalloc(buflen, GFP_ATOMIC);
+	if (!buf)
 		return;
-
-	strcpy(bufp, "mcast_list");
-	bufp += strlen("mcast_list") + 1;
+	bufp = buf;
 
 	cnt_le = cpu_to_le32(cnt);
-	memcpy(bufp, &cnt_le, sizeof(cnt));
+	memcpy(bufp, &cnt_le, sizeof(cnt_le));
 	bufp += sizeof(cnt_le);
 
 	netdev_for_each_mc_addr(ha, ndev) {
@@ -145,177 +121,94 @@ static void _brcmf_set_multicast_list(struct work_struct *work)
 		cnt--;
 	}
 
-	memset(&dcmd, 0, sizeof(dcmd));
-	dcmd.cmd = BRCMF_C_SET_VAR;
-	dcmd.buf = buf;
-	dcmd.len = buflen;
-	dcmd.set = true;
-
-	ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len);
-	if (ret < 0) {
-		brcmf_dbg(ERROR, "%s: set mcast_list failed, cnt %d\n",
-			  brcmf_ifname(drvr, 0), cnt);
-		dcmd_value = cnt ? true : dcmd_value;
+	err = brcmf_fil_iovar_data_set(ifp, "mcast_list", buf, buflen);
+	if (err < 0) {
+		brcmf_err("Setting mcast_list failed, %d\n", err);
+		cmd_value = cnt ? true : cmd_value;
 	}
 
 	kfree(buf);
 
-	/* Now send the allmulti setting.  This is based on the setting in the
+	/*
+	 * Now send the allmulti setting.  This is based on the setting in the
 	 * net_device flags, but might be modified above to be turned on if we
 	 * were trying to set some addresses and dongle rejected it...
 	 */
-
-	buflen = sizeof("allmulti") + sizeof(dcmd_value);
-	buf = kmalloc(buflen, GFP_ATOMIC);
-	if (!buf)
-		return;
-
-	dcmd_le_value = cpu_to_le32(dcmd_value);
-
-	if (!brcmf_c_mkiovar
-	    ("allmulti", (void *)&dcmd_le_value,
-	    sizeof(dcmd_le_value), buf, buflen)) {
-		brcmf_dbg(ERROR, "%s: mkiovar failed for allmulti, datalen %d buflen %u\n",
-			  brcmf_ifname(drvr, 0),
-			  (int)sizeof(dcmd_value), buflen);
-		kfree(buf);
-		return;
-	}
-
-	memset(&dcmd, 0, sizeof(dcmd));
-	dcmd.cmd = BRCMF_C_SET_VAR;
-	dcmd.buf = buf;
-	dcmd.len = buflen;
-	dcmd.set = true;
-
-	ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len);
-	if (ret < 0) {
-		brcmf_dbg(ERROR, "%s: set allmulti %d failed\n",
-			  brcmf_ifname(drvr, 0),
-			  le32_to_cpu(dcmd_le_value));
-	}
-
-	kfree(buf);
-
-	/* Finally, pick up the PROMISC flag as well, like the NIC
-		 driver does */
-
-	dcmd_value = (ndev->flags & IFF_PROMISC) ? true : false;
-	dcmd_le_value = cpu_to_le32(dcmd_value);
-
-	memset(&dcmd, 0, sizeof(dcmd));
-	dcmd.cmd = BRCMF_C_SET_PROMISC;
-	dcmd.buf = &dcmd_le_value;
-	dcmd.len = sizeof(dcmd_le_value);
-	dcmd.set = true;
-
-	ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len);
-	if (ret < 0) {
-		brcmf_dbg(ERROR, "%s: set promisc %d failed\n",
-			  brcmf_ifname(drvr, 0),
-			  le32_to_cpu(dcmd_le_value));
-	}
+	err = brcmf_fil_iovar_int_set(ifp, "allmulti", cmd_value);
+	if (err < 0)
+		brcmf_err("Setting allmulti failed, %d\n", err);
+
+	/*Finally, pick up the PROMISC flag */
+	cmd_value = (ndev->flags & IFF_PROMISC) ? true : false;
+	err = brcmf_fil_cmd_int_set(ifp, BRCMF_C_SET_PROMISC, cmd_value);
+	if (err < 0)
+		brcmf_err("Setting BRCMF_C_SET_PROMISC failed, %d\n",
+			  err);
 }
 
 static void
 _brcmf_set_mac_address(struct work_struct *work)
 {
-	char buf[32];
-	struct brcmf_dcmd dcmd;
-	int ret;
-
-	struct brcmf_pub *drvr = container_of(work, struct brcmf_pub,
-						    setmacaddr_work);
+	struct brcmf_if *ifp;
+	s32 err;
 
-	brcmf_dbg(TRACE, "enter\n");
-	if (!brcmf_c_mkiovar("cur_etheraddr", (char *)drvr->macvalue,
-			   ETH_ALEN, buf, 32)) {
-		brcmf_dbg(ERROR, "%s: mkiovar failed for cur_etheraddr\n",
-			  brcmf_ifname(drvr, 0));
-		return;
-	}
-	memset(&dcmd, 0, sizeof(dcmd));
-	dcmd.cmd = BRCMF_C_SET_VAR;
-	dcmd.buf = buf;
-	dcmd.len = 32;
-	dcmd.set = true;
+	ifp = container_of(work, struct brcmf_if, setmacaddr_work);
 
-	ret = brcmf_proto_dcmd(drvr, 0, &dcmd, dcmd.len);
-	if (ret < 0)
-		brcmf_dbg(ERROR, "%s: set cur_etheraddr failed\n",
-			  brcmf_ifname(drvr, 0));
-	else
-		memcpy(drvr->iflist[0]->ndev->dev_addr,
-		       drvr->macvalue, ETH_ALEN);
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
 
-	return;
+	err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr,
+				       ETH_ALEN);
+	if (err < 0) {
+		brcmf_err("Setting cur_etheraddr failed, %d\n", err);
+	} else {
+		brcmf_dbg(TRACE, "MAC address updated to %pM\n",
+			  ifp->mac_addr);
+		memcpy(ifp->ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
+	}
 }
 
 static int brcmf_netdev_set_mac_address(struct net_device *ndev, void *addr)
 {
 	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_pub *drvr = ifp->drvr;
 	struct sockaddr *sa = (struct sockaddr *)addr;
 
-	memcpy(&drvr->macvalue, sa->sa_data, ETH_ALEN);
-	schedule_work(&drvr->setmacaddr_work);
+	memcpy(&ifp->mac_addr, sa->sa_data, ETH_ALEN);
+	schedule_work(&ifp->setmacaddr_work);
 	return 0;
 }
 
 static void brcmf_netdev_set_multicast_list(struct net_device *ndev)
 {
 	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_pub *drvr = ifp->drvr;
 
-	schedule_work(&drvr->multicast_work);
+	schedule_work(&ifp->multicast_work);
 }
 
-int brcmf_sendpkt(struct brcmf_pub *drvr, int ifidx, struct sk_buff *pktbuf)
-{
-	/* Reject if down */
-	if (!drvr->bus_if->drvr_up || (drvr->bus_if->state == BRCMF_BUS_DOWN))
-		return -ENODEV;
-
-	/* Update multicast statistic */
-	if (pktbuf->len >= ETH_ALEN) {
-		u8 *pktdata = (u8 *) (pktbuf->data);
-		struct ethhdr *eh = (struct ethhdr *)pktdata;
-
-		if (is_multicast_ether_addr(eh->h_dest))
-			drvr->tx_multicast++;
-		if (ntohs(eh->h_proto) == ETH_P_PAE)
-			atomic_inc(&drvr->pend_8021x_cnt);
-	}
-
-	/* If the protocol uses a data header, apply it */
-	brcmf_proto_hdrpush(drvr, ifidx, pktbuf);
-
-	/* Use bus module to send data frame */
-	return drvr->bus_if->brcmf_bus_txdata(drvr->dev, pktbuf);
-}
-
-static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
+static netdev_tx_t brcmf_netdev_start_xmit(struct sk_buff *skb,
+					   struct net_device *ndev)
 {
 	int ret;
 	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_pub *drvr = ifp->drvr;
+	struct ethhdr *eh = (struct ethhdr *)(skb->data);
 
-	brcmf_dbg(TRACE, "Enter\n");
+	brcmf_dbg(DATA, "Enter, idx=%d\n", ifp->bssidx);
 
-	/* Reject if down */
-	if (!drvr->bus_if->drvr_up ||
-	    (drvr->bus_if->state == BRCMF_BUS_DOWN)) {
-		brcmf_dbg(ERROR, "xmit rejected drvup=%d state=%d\n",
-			  drvr->bus_if->drvr_up,
-			  drvr->bus_if->state);
+	/* Can the device send data? */
+	if (drvr->bus_if->state != BRCMF_BUS_DATA) {
+		brcmf_err("xmit rejected state=%d\n", drvr->bus_if->state);
 		netif_stop_queue(ndev);
-		return -ENODEV;
+		dev_kfree_skb(skb);
+		ret = -ENODEV;
+		goto done;
 	}
 
-	if (!drvr->iflist[ifp->idx]) {
-		brcmf_dbg(ERROR, "bad ifidx %d\n", ifp->idx);
+	if (!drvr->iflist[ifp->bssidx]) {
+		brcmf_err("bad ifidx %d\n", ifp->bssidx);
 		netif_stop_queue(ndev);
-		return -ENODEV;
+		dev_kfree_skb(skb);
+		ret = -ENODEV;
+		goto done;
 	}
 
 	/* Make sure there's enough room for any header */
@@ -323,260 +216,382 @@ static int brcmf_netdev_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 		struct sk_buff *skb2;
 
 		brcmf_dbg(INFO, "%s: insufficient headroom\n",
-			  brcmf_ifname(drvr, ifp->idx));
+			  brcmf_ifname(drvr, ifp->bssidx));
 		drvr->bus_if->tx_realloc++;
 		skb2 = skb_realloc_headroom(skb, drvr->hdrlen);
 		dev_kfree_skb(skb);
 		skb = skb2;
 		if (skb == NULL) {
-			brcmf_dbg(ERROR, "%s: skb_realloc_headroom failed\n",
-				  brcmf_ifname(drvr, ifp->idx));
+			brcmf_err("%s: skb_realloc_headroom failed\n",
+				  brcmf_ifname(drvr, ifp->bssidx));
 			ret = -ENOMEM;
 			goto done;
 		}
 	}
 
-	ret = brcmf_sendpkt(drvr, ifp->idx, skb);
+	/* validate length for ether packet */
+	if (skb->len < sizeof(*eh)) {
+		ret = -EINVAL;
+		dev_kfree_skb(skb);
+		goto done;
+	}
+
+	if (eh->h_proto == htons(ETH_P_PAE))
+		atomic_inc(&ifp->pend_8021x_cnt);
+
+	ret = brcmf_fws_process_skb(ifp, skb);
 
 done:
-	if (ret)
-		drvr->bus_if->dstats.tx_dropped++;
-	else
-		drvr->bus_if->dstats.tx_packets++;
+	if (ret) {
+		ifp->stats.tx_dropped++;
+	} else {
+		ifp->stats.tx_packets++;
+		ifp->stats.tx_bytes += skb->len;
+	}
 
 	/* Return ok: we always eat the packet */
-	return 0;
+	return NETDEV_TX_OK;
 }
 
-void brcmf_txflowcontrol(struct device *dev, int ifidx, bool state)
+void brcmf_txflowblock_if(struct brcmf_if *ifp,
+			  enum brcmf_netif_stop_reason reason, bool state)
+{
+	unsigned long flags;
+
+	if (!ifp || !ifp->ndev)
+		return;
+
+	brcmf_dbg(TRACE, "enter: idx=%d stop=0x%X reason=%d state=%d\n",
+		  ifp->bssidx, ifp->netif_stop, reason, state);
+
+	spin_lock_irqsave(&ifp->netif_stop_lock, flags);
+	if (state) {
+		if (!ifp->netif_stop)
+			netif_stop_queue(ifp->ndev);
+		ifp->netif_stop |= reason;
+	} else {
+		ifp->netif_stop &= ~reason;
+		if (!ifp->netif_stop)
+			netif_wake_queue(ifp->ndev);
+	}
+	spin_unlock_irqrestore(&ifp->netif_stop_lock, flags);
+}
+
+void brcmf_txflowblock(struct device *dev, bool state)
 {
-	struct net_device *ndev;
 	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
 	struct brcmf_pub *drvr = bus_if->drvr;
 
 	brcmf_dbg(TRACE, "Enter\n");
 
-	ndev = drvr->iflist[ifidx]->ndev;
-	if (state == ON)
-		netif_stop_queue(ndev);
-	else
-		netif_wake_queue(ndev);
+	brcmf_fws_bus_blocked(drvr, state);
 }
 
-static int brcmf_host_event(struct brcmf_pub *drvr, int *ifidx,
-			    void *pktdata, struct brcmf_event_msg *event,
-			    void **data)
+static void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb)
 {
-	int bcmerror = 0;
+	skb->dev = ifp->ndev;
+	skb->protocol = eth_type_trans(skb, skb->dev);
 
-	bcmerror = brcmf_c_host_event(drvr, ifidx, pktdata, event, data);
-	if (bcmerror != 0)
-		return bcmerror;
+	if (skb->pkt_type == PACKET_MULTICAST)
+		ifp->stats.multicast++;
 
-	if (drvr->iflist[*ifidx]->ndev)
-		brcmf_cfg80211_event(drvr->iflist[*ifidx]->ndev,
-				     event, *data);
+	/* Process special event packets */
+	brcmf_fweh_process_skb(ifp->drvr, skb);
 
-	return bcmerror;
+	if (!(ifp->ndev->flags & IFF_UP)) {
+		brcmu_pkt_buf_free_skb(skb);
+		return;
+	}
+
+	ifp->stats.rx_bytes += skb->len;
+	ifp->stats.rx_packets++;
+
+	brcmf_dbg(DATA, "rx proto=0x%X\n", ntohs(skb->protocol));
+	if (in_interrupt())
+		netif_rx(skb);
+	else
+		/* If the receive is not processed inside an ISR,
+		 * the softirqd must be woken explicitly to service
+		 * the NET_RX_SOFTIRQ.  This is handled by netif_rx_ni().
+		 */
+		netif_rx_ni(skb);
 }
 
-void brcmf_rx_frame(struct device *dev, int ifidx,
-		    struct sk_buff_head *skb_list)
+static void brcmf_rxreorder_get_skb_list(struct brcmf_ampdu_rx_reorder *rfi,
+					 u8 start, u8 end,
+					 struct sk_buff_head *skb_list)
 {
-	unsigned char *eth;
-	uint len;
-	void *data;
-	struct sk_buff *skb, *pnext;
-	struct brcmf_if *ifp;
-	struct brcmf_event_msg event;
-	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
-	struct brcmf_pub *drvr = bus_if->drvr;
+	/* initialize return list */
+	__skb_queue_head_init(skb_list);
 
-	brcmf_dbg(TRACE, "Enter\n");
+	if (rfi->pend_pkts == 0) {
+		brcmf_dbg(INFO, "no packets in reorder queue\n");
+		return;
+	}
 
-	skb_queue_walk_safe(skb_list, skb, pnext) {
-		skb_unlink(skb, skb_list);
-
-		/* Get the protocol, maintain skb around eth_type_trans()
-		 * The main reason for this hack is for the limitation of
-		 * Linux 2.4 where 'eth_type_trans' uses the
-		 * 'net->hard_header_len'
-		 * to perform skb_pull inside vs ETH_HLEN. Since to avoid
-		 * coping of the packet coming from the network stack to add
-		 * BDC, Hardware header etc, during network interface
-		 * registration
-		 * we set the 'net->hard_header_len' to ETH_HLEN + extra space
-		 * required
-		 * for BDC, Hardware header etc. and not just the ETH_HLEN
-		 */
-		eth = skb->data;
-		len = skb->len;
+	do {
+		if (rfi->pktslots[start]) {
+			__skb_queue_tail(skb_list, rfi->pktslots[start]);
+			rfi->pktslots[start] = NULL;
+		}
+		start++;
+		if (start > rfi->max_idx)
+			start = 0;
+	} while (start != end);
+	rfi->pend_pkts -= skb_queue_len(skb_list);
+}
+
+static void brcmf_rxreorder_process_info(struct brcmf_if *ifp, u8 *reorder_data,
+					 struct sk_buff *pkt)
+{
+	u8 flow_id, max_idx, cur_idx, exp_idx, end_idx;
+	struct brcmf_ampdu_rx_reorder *rfi;
+	struct sk_buff_head reorder_list;
+	struct sk_buff *pnext;
+	u8 flags;
+	u32 buf_size;
+
+	flow_id = reorder_data[BRCMF_RXREORDER_FLOWID_OFFSET];
+	flags = reorder_data[BRCMF_RXREORDER_FLAGS_OFFSET];
+
+	/* validate flags and flow id */
+	if (flags == 0xFF) {
+		brcmf_err("invalid flags...so ignore this packet\n");
+		brcmf_netif_rx(ifp, pkt);
+		return;
+	}
 
-		ifp = drvr->iflist[ifidx];
-		if (ifp == NULL)
-			ifp = drvr->iflist[0];
+	rfi = ifp->drvr->reorder_flows[flow_id];
+	if (flags & BRCMF_RXREORDER_DEL_FLOW) {
+		brcmf_dbg(INFO, "flow-%d: delete\n",
+			  flow_id);
 
-		if (!ifp || !ifp->ndev ||
-		    ifp->ndev->reg_state != NETREG_REGISTERED) {
-			brcmu_pkt_buf_free_skb(skb);
-			continue;
+		if (rfi == NULL) {
+			brcmf_dbg(INFO, "received flags to cleanup, but no flow (%d) yet\n",
+				  flow_id);
+			brcmf_netif_rx(ifp, pkt);
+			return;
 		}
 
-		skb->dev = ifp->ndev;
-		skb->protocol = eth_type_trans(skb, skb->dev);
+		brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, rfi->exp_idx,
+					     &reorder_list);
+		/* add the last packet */
+		__skb_queue_tail(&reorder_list, pkt);
+		kfree(rfi);
+		ifp->drvr->reorder_flows[flow_id] = NULL;
+		goto netif_rx;
+	}
+	/* from here on we need a flow reorder instance */
+	if (rfi == NULL) {
+		buf_size = sizeof(*rfi);
+		max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET];
+
+		buf_size += (max_idx + 1) * sizeof(pkt);
+
+		/* allocate space for flow reorder info */
+		brcmf_dbg(INFO, "flow-%d: start, maxidx %d\n",
+			  flow_id, max_idx);
+		rfi = kzalloc(buf_size, GFP_ATOMIC);
+		if (rfi == NULL) {
+			brcmf_err("failed to alloc buffer\n");
+			brcmf_netif_rx(ifp, pkt);
+			return;
+		}
 
-		if (skb->pkt_type == PACKET_MULTICAST)
-			bus_if->dstats.multicast++;
+		ifp->drvr->reorder_flows[flow_id] = rfi;
+		rfi->pktslots = (struct sk_buff **)(rfi+1);
+		rfi->max_idx = max_idx;
+	}
+	if (flags & BRCMF_RXREORDER_NEW_HOLE)  {
+		if (rfi->pend_pkts) {
+			brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx,
+						     rfi->exp_idx,
+						     &reorder_list);
+			WARN_ON(rfi->pend_pkts);
+		} else {
+			__skb_queue_head_init(&reorder_list);
+		}
+		rfi->cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET];
+		rfi->exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET];
+		rfi->max_idx = reorder_data[BRCMF_RXREORDER_MAXIDX_OFFSET];
+		rfi->pktslots[rfi->cur_idx] = pkt;
+		rfi->pend_pkts++;
+		brcmf_dbg(DATA, "flow-%d: new hole %d (%d), pending %d\n",
+			  flow_id, rfi->cur_idx, rfi->exp_idx, rfi->pend_pkts);
+	} else if (flags & BRCMF_RXREORDER_CURIDX_VALID) {
+		cur_idx = reorder_data[BRCMF_RXREORDER_CURIDX_OFFSET];
+		exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET];
+
+		if ((exp_idx == rfi->exp_idx) && (cur_idx != rfi->exp_idx)) {
+			/* still in the current hole */
+			/* enqueue the current on the buffer chain */
+			if (rfi->pktslots[cur_idx] != NULL) {
+				brcmf_dbg(INFO, "HOLE: ERROR buffer pending..free it\n");
+				brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]);
+				rfi->pktslots[cur_idx] = NULL;
+			}
+			rfi->pktslots[cur_idx] = pkt;
+			rfi->pend_pkts++;
+			rfi->cur_idx = cur_idx;
+			brcmf_dbg(DATA, "flow-%d: store pkt %d (%d), pending %d\n",
+				  flow_id, cur_idx, exp_idx, rfi->pend_pkts);
+
+			/* can return now as there is no reorder
+			 * list to process.
+			 */
+			return;
+		}
+		if (rfi->exp_idx == cur_idx) {
+			if (rfi->pktslots[cur_idx] != NULL) {
+				brcmf_dbg(INFO, "error buffer pending..free it\n");
+				brcmu_pkt_buf_free_skb(rfi->pktslots[cur_idx]);
+				rfi->pktslots[cur_idx] = NULL;
+			}
+			rfi->pktslots[cur_idx] = pkt;
+			rfi->pend_pkts++;
 
-		skb->data = eth;
-		skb->len = len;
+			/* got the expected one. flush from current to expected
+			 * and update expected
+			 */
+			brcmf_dbg(DATA, "flow-%d: expected %d (%d), pending %d\n",
+				  flow_id, cur_idx, exp_idx, rfi->pend_pkts);
 
-		/* Strip header, count, deliver upward */
-		skb_pull(skb, ETH_HLEN);
+			rfi->cur_idx = cur_idx;
+			rfi->exp_idx = exp_idx;
 
-		/* Process special event packets and then discard them */
-		if (ntohs(skb->protocol) == ETH_P_LINK_CTL)
-			brcmf_host_event(drvr, &ifidx,
-					  skb_mac_header(skb),
-					  &event, &data);
+			brcmf_rxreorder_get_skb_list(rfi, cur_idx, exp_idx,
+						     &reorder_list);
+			brcmf_dbg(DATA, "flow-%d: freeing buffers %d, pending %d\n",
+				  flow_id, skb_queue_len(&reorder_list),
+				  rfi->pend_pkts);
+		} else {
+			u8 end_idx;
 
-		if (drvr->iflist[ifidx]) {
-			ifp = drvr->iflist[ifidx];
-			ifp->ndev->last_rx = jiffies;
-		}
+			brcmf_dbg(DATA, "flow-%d (0x%x): both moved, old %d/%d, new %d/%d\n",
+				  flow_id, flags, rfi->cur_idx, rfi->exp_idx,
+				  cur_idx, exp_idx);
+			if (flags & BRCMF_RXREORDER_FLUSH_ALL)
+				end_idx = rfi->exp_idx;
+			else
+				end_idx = exp_idx;
 
-		bus_if->dstats.rx_bytes += skb->len;
-		bus_if->dstats.rx_packets++;	/* Local count */
+			/* flush pkts first */
+			brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx,
+						     &reorder_list);
 
-		if (in_interrupt())
-			netif_rx(skb);
+			if (exp_idx == ((cur_idx + 1) % (rfi->max_idx + 1))) {
+				__skb_queue_tail(&reorder_list, pkt);
+			} else {
+				rfi->pktslots[cur_idx] = pkt;
+				rfi->pend_pkts++;
+			}
+			rfi->exp_idx = exp_idx;
+			rfi->cur_idx = cur_idx;
+		}
+	} else {
+		/* explicity window move updating the expected index */
+		exp_idx = reorder_data[BRCMF_RXREORDER_EXPIDX_OFFSET];
+
+		brcmf_dbg(DATA, "flow-%d (0x%x): change expected: %d -> %d\n",
+			  flow_id, flags, rfi->exp_idx, exp_idx);
+		if (flags & BRCMF_RXREORDER_FLUSH_ALL)
+			end_idx =  rfi->exp_idx;
 		else
-			/* If the receive is not processed inside an ISR,
-			 * the softirqd must be woken explicitly to service
-			 * the NET_RX_SOFTIRQ.  In 2.6 kernels, this is handled
-			 * by netif_rx_ni(), but in earlier kernels, we need
-			 * to do it manually.
-			 */
-			netif_rx_ni(skb);
+			end_idx =  exp_idx;
+
+		brcmf_rxreorder_get_skb_list(rfi, rfi->exp_idx, end_idx,
+					     &reorder_list);
+		__skb_queue_tail(&reorder_list, pkt);
+		/* set the new expected idx */
+		rfi->exp_idx = exp_idx;
+	}
+netif_rx:
+	skb_queue_walk_safe(&reorder_list, pkt, pnext) {
+		__skb_unlink(pkt, &reorder_list);
+		brcmf_netif_rx(ifp, pkt);
 	}
 }
 
-void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success)
+void brcmf_rx_frame(struct device *dev, struct sk_buff *skb)
 {
-	uint ifidx;
-	struct ethhdr *eh;
-	u16 type;
+	struct brcmf_if *ifp;
 	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
 	struct brcmf_pub *drvr = bus_if->drvr;
+	struct brcmf_skb_reorder_data *rd;
+	u8 ifidx;
+	int ret;
 
-	brcmf_proto_hdrpull(dev, &ifidx, txp);
-
-	eh = (struct ethhdr *)(txp->data);
-	type = ntohs(eh->h_proto);
-
-	if (type == ETH_P_PAE)
-		atomic_dec(&drvr->pend_8021x_cnt);
-
-}
-
-static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev)
-{
-	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_bus *bus_if = ifp->drvr->bus_if;
+	brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb);
 
-	brcmf_dbg(TRACE, "Enter\n");
+	/* process and remove protocol-specific header */
+	ret = brcmf_proto_hdrpull(drvr, true, &ifidx, skb);
+	ifp = drvr->iflist[ifidx];
 
-	/* Copy dongle stats to net device stats */
-	ifp->stats.rx_packets = bus_if->dstats.rx_packets;
-	ifp->stats.tx_packets = bus_if->dstats.tx_packets;
-	ifp->stats.rx_bytes = bus_if->dstats.rx_bytes;
-	ifp->stats.tx_bytes = bus_if->dstats.tx_bytes;
-	ifp->stats.rx_errors = bus_if->dstats.rx_errors;
-	ifp->stats.tx_errors = bus_if->dstats.tx_errors;
-	ifp->stats.rx_dropped = bus_if->dstats.rx_dropped;
-	ifp->stats.tx_dropped = bus_if->dstats.tx_dropped;
-	ifp->stats.multicast = bus_if->dstats.multicast;
+	if (ret || !ifp || !ifp->ndev) {
+		if ((ret != -ENODATA) && ifp)
+			ifp->stats.rx_errors++;
+		brcmu_pkt_buf_free_skb(skb);
+		return;
+	}
 
-	return &ifp->stats;
+	rd = (struct brcmf_skb_reorder_data *)skb->cb;
+	if (rd->reorder)
+		brcmf_rxreorder_process_info(ifp, rd->reorder, skb);
+	else
+		brcmf_netif_rx(ifp, skb);
 }
 
-/* Retrieve current toe component enables, which are kept
-	 as a bitmap in toe_ol iovar */
-static int brcmf_toe_get(struct brcmf_pub *drvr, int ifidx, u32 *toe_ol)
+void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx,
+		      bool success)
 {
-	struct brcmf_dcmd dcmd;
-	__le32 toe_le;
-	char buf[32];
-	int ret;
-
-	memset(&dcmd, 0, sizeof(dcmd));
+	struct brcmf_if *ifp;
+	struct ethhdr *eh;
+	u16 type;
 
-	dcmd.cmd = BRCMF_C_GET_VAR;
-	dcmd.buf = buf;
-	dcmd.len = (uint) sizeof(buf);
-	dcmd.set = false;
+	ifp = drvr->iflist[ifidx];
+	if (!ifp)
+		goto done;
 
-	strcpy(buf, "toe_ol");
-	ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len);
-	if (ret < 0) {
-		/* Check for older dongle image that doesn't support toe_ol */
-		if (ret == -EIO) {
-			brcmf_dbg(ERROR, "%s: toe not supported by device\n",
-				  brcmf_ifname(drvr, ifidx));
-			return -EOPNOTSUPP;
-		}
+	eh = (struct ethhdr *)(txp->data);
+	type = ntohs(eh->h_proto);
 
-		brcmf_dbg(INFO, "%s: could not get toe_ol: ret=%d\n",
-			  brcmf_ifname(drvr, ifidx), ret);
-		return ret;
+	if (type == ETH_P_PAE) {
+		atomic_dec(&ifp->pend_8021x_cnt);
+		if (waitqueue_active(&ifp->pend_8021x_wait))
+			wake_up(&ifp->pend_8021x_wait);
 	}
 
-	memcpy(&toe_le, buf, sizeof(u32));
-	*toe_ol = le32_to_cpu(toe_le);
-	return 0;
+	if (!success)
+		ifp->stats.tx_errors++;
+done:
+	brcmu_pkt_buf_free_skb(txp);
 }
 
-/* Set current toe component enables in toe_ol iovar,
-	 and set toe global enable iovar */
-static int brcmf_toe_set(struct brcmf_pub *drvr, int ifidx, u32 toe_ol)
+void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success)
 {
-	struct brcmf_dcmd dcmd;
-	char buf[32];
-	int ret;
-	__le32 toe_le = cpu_to_le32(toe_ol);
-
-	memset(&dcmd, 0, sizeof(dcmd));
-
-	dcmd.cmd = BRCMF_C_SET_VAR;
-	dcmd.buf = buf;
-	dcmd.len = (uint) sizeof(buf);
-	dcmd.set = true;
-
-	/* Set toe_ol as requested */
-	strcpy(buf, "toe_ol");
-	memcpy(&buf[sizeof("toe_ol")], &toe_le, sizeof(u32));
-
-	ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len);
-	if (ret < 0) {
-		brcmf_dbg(ERROR, "%s: could not set toe_ol: ret=%d\n",
-			  brcmf_ifname(drvr, ifidx), ret);
-		return ret;
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_pub *drvr = bus_if->drvr;
+	u8 ifidx;
+
+	/* await txstatus signal for firmware if active */
+	if (brcmf_fws_fc_active(drvr->fws)) {
+		if (!success)
+			brcmf_fws_bustxfail(drvr->fws, txp);
+	} else {
+		if (brcmf_proto_hdrpull(drvr, false, &ifidx, txp))
+			brcmu_pkt_buf_free_skb(txp);
+		else
+			brcmf_txfinalize(drvr, txp, ifidx, success);
 	}
+}
 
-	/* Enable toe globally only if any components are enabled. */
-	toe_le = cpu_to_le32(toe_ol != 0);
-
-	strcpy(buf, "toe");
-	memcpy(&buf[sizeof("toe")], &toe_le, sizeof(u32));
+static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev)
+{
+	struct brcmf_if *ifp = netdev_priv(ndev);
 
-	ret = brcmf_proto_dcmd(drvr, ifidx, &dcmd, dcmd.len);
-	if (ret < 0) {
-		brcmf_dbg(ERROR, "%s: could not set toe: ret=%d\n",
-			  brcmf_ifname(drvr, ifidx), ret);
-		return ret;
-	}
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
 
-	return 0;
+	return &ifp->stats;
 }
 
 static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
@@ -585,326 +600,252 @@ static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
 	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_pub *drvr = ifp->drvr;
 
-	sprintf(info->driver, KBUILD_MODNAME);
-	sprintf(info->version, "%lu", drvr->drv_version);
-	sprintf(info->bus_info, "%s", dev_name(drvr->dev));
+	strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
+	snprintf(info->version, sizeof(info->version), "n/a");
+	strlcpy(info->fw_version, drvr->fwver, sizeof(info->fw_version));
+	strlcpy(info->bus_info, dev_name(drvr->bus_if->dev),
+		sizeof(info->bus_info));
 }
 
-static struct ethtool_ops brcmf_ethtool_ops = {
-	.get_drvinfo = brcmf_ethtool_get_drvinfo
+static const struct ethtool_ops brcmf_ethtool_ops = {
+	.get_drvinfo = brcmf_ethtool_get_drvinfo,
 };
 
-static int brcmf_ethtool(struct brcmf_pub *drvr, void __user *uaddr)
+static int brcmf_netdev_stop(struct net_device *ndev)
 {
-	struct ethtool_drvinfo info;
-	char drvname[sizeof(info.driver)];
-	u32 cmd;
-	struct ethtool_value edata;
-	u32 toe_cmpnt, csum_dir;
-	int ret;
+	struct brcmf_if *ifp = netdev_priv(ndev);
 
-	brcmf_dbg(TRACE, "Enter\n");
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
 
-	/* all ethtool calls start with a cmd word */
-	if (copy_from_user(&cmd, uaddr, sizeof(u32)))
-		return -EFAULT;
-
-	switch (cmd) {
-	case ETHTOOL_GDRVINFO:
-		/* Copy out any request driver name */
-		if (copy_from_user(&info, uaddr, sizeof(info)))
-			return -EFAULT;
-		strncpy(drvname, info.driver, sizeof(info.driver));
-		drvname[sizeof(info.driver) - 1] = '\0';
-
-		/* clear struct for return */
-		memset(&info, 0, sizeof(info));
-		info.cmd = cmd;
-
-		/* if requested, identify ourselves */
-		if (strcmp(drvname, "?dhd") == 0) {
-			sprintf(info.driver, "dhd");
-			strcpy(info.version, BRCMF_VERSION_STR);
-		}
+	brcmf_cfg80211_down(ndev);
 
-		/* otherwise, require dongle to be up */
-		else if (!drvr->bus_if->drvr_up) {
-			brcmf_dbg(ERROR, "dongle is not up\n");
-			return -ENODEV;
-		}
+	/* Set state and stop OS transmissions */
+	netif_stop_queue(ndev);
 
-		/* finally, report dongle driver type */
-		else if (drvr->iswl)
-			sprintf(info.driver, "wl");
-		else
-			sprintf(info.driver, "xx");
-
-		sprintf(info.version, "%lu", drvr->drv_version);
-		if (copy_to_user(uaddr, &info, sizeof(info)))
-			return -EFAULT;
-		brcmf_dbg(CTL, "given %*s, returning %s\n",
-			  (int)sizeof(drvname), drvname, info.driver);
-		break;
-
-		/* Get toe offload components from dongle */
-	case ETHTOOL_GRXCSUM:
-	case ETHTOOL_GTXCSUM:
-		ret = brcmf_toe_get(drvr, 0, &toe_cmpnt);
-		if (ret < 0)
-			return ret;
-
-		csum_dir =
-		    (cmd == ETHTOOL_GTXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
-
-		edata.cmd = cmd;
-		edata.data = (toe_cmpnt & csum_dir) ? 1 : 0;
-
-		if (copy_to_user(uaddr, &edata, sizeof(edata)))
-			return -EFAULT;
-		break;
-
-		/* Set toe offload components in dongle */
-	case ETHTOOL_SRXCSUM:
-	case ETHTOOL_STXCSUM:
-		if (copy_from_user(&edata, uaddr, sizeof(edata)))
-			return -EFAULT;
-
-		/* Read the current settings, update and write back */
-		ret = brcmf_toe_get(drvr, 0, &toe_cmpnt);
-		if (ret < 0)
-			return ret;
-
-		csum_dir =
-		    (cmd == ETHTOOL_STXCSUM) ? TOE_TX_CSUM_OL : TOE_RX_CSUM_OL;
-
-		if (edata.data != 0)
-			toe_cmpnt |= csum_dir;
-		else
-			toe_cmpnt &= ~csum_dir;
+	return 0;
+}
+
+static int brcmf_netdev_open(struct net_device *ndev)
+{
+	struct brcmf_if *ifp = netdev_priv(ndev);
+	struct brcmf_pub *drvr = ifp->drvr;
+	struct brcmf_bus *bus_if = drvr->bus_if;
+	u32 toe_ol;
 
-		ret = brcmf_toe_set(drvr, 0, toe_cmpnt);
-		if (ret < 0)
-			return ret;
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
 
-		/* If setting TX checksum mode, tell Linux the new mode */
-		if (cmd == ETHTOOL_STXCSUM) {
-			if (edata.data)
-				drvr->iflist[0]->ndev->features |=
-				    NETIF_F_IP_CSUM;
-			else
-				drvr->iflist[0]->ndev->features &=
-				    ~NETIF_F_IP_CSUM;
-		}
+	/* If bus is not ready, can't continue */
+	if (bus_if->state != BRCMF_BUS_DATA) {
+		brcmf_err("failed bus is not ready\n");
+		return -EAGAIN;
+	}
+
+	atomic_set(&ifp->pend_8021x_cnt, 0);
 
-		break;
+	/* Get current TOE mode from dongle */
+	if (brcmf_fil_iovar_int_get(ifp, "toe_ol", &toe_ol) >= 0
+	    && (toe_ol & TOE_TX_CSUM_OL) != 0)
+		ndev->features |= NETIF_F_IP_CSUM;
+	else
+		ndev->features &= ~NETIF_F_IP_CSUM;
 
-	default:
-		return -EOPNOTSUPP;
+	if (brcmf_cfg80211_up(ndev)) {
+		brcmf_err("failed to bring up cfg80211\n");
+		return -EIO;
 	}
 
+	/* Allow transmit calls */
+	netif_start_queue(ndev);
 	return 0;
 }
 
-static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr,
-				    int cmd)
+static const struct net_device_ops brcmf_netdev_ops_pri = {
+	.ndo_open = brcmf_netdev_open,
+	.ndo_stop = brcmf_netdev_stop,
+	.ndo_get_stats = brcmf_netdev_get_stats,
+	.ndo_start_xmit = brcmf_netdev_start_xmit,
+	.ndo_set_mac_address = brcmf_netdev_set_mac_address,
+	.ndo_set_rx_mode = brcmf_netdev_set_multicast_list
+};
+
+int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked)
 {
-	struct brcmf_if *ifp = netdev_priv(ndev);
 	struct brcmf_pub *drvr = ifp->drvr;
+	struct net_device *ndev;
+	s32 err;
 
-	brcmf_dbg(TRACE, "ifidx %d, cmd 0x%04x\n", ifp->idx, cmd);
-
-	if (!drvr->iflist[ifp->idx])
-		return -1;
+	brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx,
+		  ifp->mac_addr);
+	ndev = ifp->ndev;
 
-	if (cmd == SIOCETHTOOL)
-		return brcmf_ethtool(drvr, ifr->ifr_data);
+	/* set appropriate operations */
+	ndev->netdev_ops = &brcmf_netdev_ops_pri;
 
-	return -EOPNOTSUPP;
-}
+	ndev->hard_header_len += drvr->hdrlen;
+	ndev->ethtool_ops = &brcmf_ethtool_ops;
 
-/* called only from within this driver. Sends a command to the dongle. */
-s32 brcmf_exec_dcmd(struct net_device *ndev, u32 cmd, void *arg, u32 len)
-{
-	struct brcmf_dcmd dcmd;
-	s32 err = 0;
-	int buflen = 0;
-	bool is_set_key_cmd;
-	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_pub *drvr = ifp->drvr;
+	drvr->rxsz = ndev->mtu + ndev->hard_header_len +
+			      drvr->hdrlen;
 
-	memset(&dcmd, 0, sizeof(dcmd));
-	dcmd.cmd = cmd;
-	dcmd.buf = arg;
-	dcmd.len = len;
+	/* set the mac address */
+	memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
 
-	if (dcmd.buf != NULL)
-		buflen = min_t(uint, dcmd.len, BRCMF_DCMD_MAXLEN);
+	INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address);
+	INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list);
 
-	/* send to dongle (must be up, and wl) */
-	if ((drvr->bus_if->state != BRCMF_BUS_DATA)) {
-		brcmf_dbg(ERROR, "DONGLE_DOWN\n");
-		err = -EIO;
-		goto done;
+	if (rtnl_locked)
+		err = register_netdevice(ndev);
+	else
+		err = register_netdev(ndev);
+	if (err != 0) {
+		brcmf_err("couldn't register the net device\n");
+		goto fail;
 	}
 
-	if (!drvr->iswl) {
-		err = -EIO;
-		goto done;
-	}
+	brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
 
-	/*
-	 * Intercept BRCMF_C_SET_KEY CMD - serialize M4 send and
-	 * set key CMD to prevent M4 encryption.
-	 */
-	is_set_key_cmd = ((dcmd.cmd == BRCMF_C_SET_KEY) ||
-			  ((dcmd.cmd == BRCMF_C_SET_VAR) &&
-			   !(strncmp("wsec_key", dcmd.buf, 9))) ||
-			  ((dcmd.cmd == BRCMF_C_SET_VAR) &&
-			   !(strncmp("bsscfg:wsec_key", dcmd.buf, 15))));
-	if (is_set_key_cmd)
-		brcmf_netdev_wait_pend8021x(ndev);
+	ndev->destructor = brcmf_cfg80211_free_netdev;
+	return 0;
 
-	err = brcmf_proto_dcmd(drvr, ifp->idx, &dcmd, buflen);
+fail:
+	drvr->iflist[ifp->bssidx] = NULL;
+	ndev->netdev_ops = NULL;
+	free_netdev(ndev);
+	return -EBADE;
+}
 
-done:
-	if (err > 0)
-		err = 0;
+static int brcmf_net_p2p_open(struct net_device *ndev)
+{
+	brcmf_dbg(TRACE, "Enter\n");
 
-	return err;
+	return brcmf_cfg80211_up(ndev);
 }
 
-static int brcmf_netdev_stop(struct net_device *ndev)
+static int brcmf_net_p2p_stop(struct net_device *ndev)
 {
-	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_pub *drvr = ifp->drvr;
-
 	brcmf_dbg(TRACE, "Enter\n");
-	brcmf_cfg80211_down(drvr->config);
-	if (drvr->bus_if->drvr_up == 0)
-		return 0;
 
-	/* Set state and stop OS transmissions */
-	drvr->bus_if->drvr_up = false;
-	netif_stop_queue(ndev);
+	return brcmf_cfg80211_down(ndev);
+}
 
-	return 0;
+static netdev_tx_t brcmf_net_p2p_start_xmit(struct sk_buff *skb,
+					    struct net_device *ndev)
+{
+	if (skb)
+		dev_kfree_skb_any(skb);
+
+	return NETDEV_TX_OK;
 }
 
-static int brcmf_netdev_open(struct net_device *ndev)
+static const struct net_device_ops brcmf_netdev_ops_p2p = {
+	.ndo_open = brcmf_net_p2p_open,
+	.ndo_stop = brcmf_net_p2p_stop,
+	.ndo_start_xmit = brcmf_net_p2p_start_xmit
+};
+
+static int brcmf_net_p2p_attach(struct brcmf_if *ifp)
 {
-	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_pub *drvr = ifp->drvr;
-	u32 toe_ol;
-	s32 ret = 0;
+	struct net_device *ndev;
 
-	brcmf_dbg(TRACE, "ifidx %d\n", ifp->idx);
+	brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx,
+		  ifp->mac_addr);
+	ndev = ifp->ndev;
 
-	if (ifp->idx == 0) {	/* do it only for primary eth0 */
-		/* try to bring up bus */
-		ret = brcmf_bus_start(drvr->dev);
-		if (ret != 0) {
-			brcmf_dbg(ERROR, "failed with code %d\n", ret);
-			return -1;
-		}
-		atomic_set(&drvr->pend_8021x_cnt, 0);
+	ndev->netdev_ops = &brcmf_netdev_ops_p2p;
 
-		memcpy(ndev->dev_addr, drvr->mac, ETH_ALEN);
+	/* set the mac address */
+	memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
 
-		/* Get current TOE mode from dongle */
-		if (brcmf_toe_get(drvr, ifp->idx, &toe_ol) >= 0
-		    && (toe_ol & TOE_TX_CSUM_OL) != 0)
-			drvr->iflist[ifp->idx]->ndev->features |=
-				NETIF_F_IP_CSUM;
-		else
-			drvr->iflist[ifp->idx]->ndev->features &=
-				~NETIF_F_IP_CSUM;
-	}
-	/* Allow transmit calls */
-	netif_start_queue(ndev);
-	drvr->bus_if->drvr_up = true;
-	if (brcmf_cfg80211_up(drvr->config)) {
-		brcmf_dbg(ERROR, "failed to bring up cfg80211\n");
-		return -1;
+	if (register_netdev(ndev) != 0) {
+		brcmf_err("couldn't register the p2p net device\n");
+		goto fail;
 	}
 
-	return ret;
-}
+	brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
 
-static const struct net_device_ops brcmf_netdev_ops_pri = {
-	.ndo_open = brcmf_netdev_open,
-	.ndo_stop = brcmf_netdev_stop,
-	.ndo_get_stats = brcmf_netdev_get_stats,
-	.ndo_do_ioctl = brcmf_netdev_ioctl_entry,
-	.ndo_start_xmit = brcmf_netdev_start_xmit,
-	.ndo_set_mac_address = brcmf_netdev_set_mac_address,
-	.ndo_set_rx_mode = brcmf_netdev_set_multicast_list
-};
+	return 0;
+
+fail:
+	ifp->drvr->iflist[ifp->bssidx] = NULL;
+	ndev->netdev_ops = NULL;
+	free_netdev(ndev);
+	return -EBADE;
+}
 
-int
-brcmf_add_if(struct device *dev, int ifidx, char *name, u8 *mac_addr)
+struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, s32 bssidx, s32 ifidx,
+			      char *name, u8 *mac_addr)
 {
 	struct brcmf_if *ifp;
 	struct net_device *ndev;
-	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
-	struct brcmf_pub *drvr = bus_if->drvr;
 
-	brcmf_dbg(TRACE, "idx %d\n", ifidx);
+	brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifidx);
 
-	ifp = drvr->iflist[ifidx];
+	ifp = drvr->iflist[bssidx];
 	/*
 	 * Delete the existing interface before overwriting it
 	 * in case we missed the BRCMF_E_IF_DEL event.
 	 */
 	if (ifp) {
-		brcmf_dbg(ERROR, "ERROR: netdev:%s already exists, try free & unregister\n",
+		brcmf_err("ERROR: netdev:%s already exists\n",
 			  ifp->ndev->name);
-		netif_stop_queue(ifp->ndev);
-		unregister_netdev(ifp->ndev);
-		free_netdev(ifp->ndev);
-		drvr->iflist[ifidx] = NULL;
+		if (ifidx) {
+			netif_stop_queue(ifp->ndev);
+			unregister_netdev(ifp->ndev);
+			free_netdev(ifp->ndev);
+			drvr->iflist[bssidx] = NULL;
+		} else {
+			brcmf_err("ignore IF event\n");
+			return ERR_PTR(-EINVAL);
+		}
 	}
 
-	/* Allocate netdev, including space for private structure */
-	ndev = alloc_netdev(sizeof(struct brcmf_if), name, ether_setup);
-	if (!ndev) {
-		brcmf_dbg(ERROR, "OOM - alloc_netdev\n");
-		return -ENOMEM;
+	if (!brcmf_p2p_enable && bssidx == 1) {
+		/* this is P2P_DEVICE interface */
+		brcmf_dbg(INFO, "allocate non-netdev interface\n");
+		ifp = kzalloc(sizeof(*ifp), GFP_KERNEL);
+		if (!ifp)
+			return ERR_PTR(-ENOMEM);
+	} else {
+		brcmf_dbg(INFO, "allocate netdev interface\n");
+		/* Allocate netdev, including space for private structure */
+		ndev = alloc_netdev(sizeof(*ifp), name, ether_setup);
+		if (!ndev)
+			return ERR_PTR(-ENOMEM);
+
+		ifp = netdev_priv(ndev);
+		ifp->ndev = ndev;
 	}
 
-	ifp = netdev_priv(ndev);
-	ifp->ndev = ndev;
 	ifp->drvr = drvr;
-	drvr->iflist[ifidx] = ifp;
-	ifp->idx = ifidx;
-	if (mac_addr != NULL)
-		memcpy(&ifp->mac_addr, mac_addr, ETH_ALEN);
+	drvr->iflist[bssidx] = ifp;
+	ifp->ifidx = ifidx;
+	ifp->bssidx = bssidx;
 
-	if (brcmf_net_attach(drvr, ifp->idx)) {
-		brcmf_dbg(ERROR, "brcmf_net_attach failed");
-		free_netdev(ifp->ndev);
-		drvr->iflist[ifidx] = NULL;
-		return -EOPNOTSUPP;
-	}
+	init_waitqueue_head(&ifp->pend_8021x_wait);
+	spin_lock_init(&ifp->netif_stop_lock);
 
-	brcmf_dbg(TRACE, " ==== pid:%x, net_device for if:%s created ===\n",
-		  current->pid, ifp->ndev->name);
+	if (mac_addr != NULL)
+		memcpy(ifp->mac_addr, mac_addr, ETH_ALEN);
 
-	return 0;
+	brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n",
+		  current->pid, name, ifp->mac_addr);
+
+	return ifp;
 }
 
-void brcmf_del_if(struct brcmf_pub *drvr, int ifidx)
+void brcmf_del_if(struct brcmf_pub *drvr, s32 bssidx)
 {
 	struct brcmf_if *ifp;
 
-	brcmf_dbg(TRACE, "idx %d\n", ifidx);
-
-	ifp = drvr->iflist[ifidx];
+	ifp = drvr->iflist[bssidx];
+	drvr->iflist[bssidx] = NULL;
 	if (!ifp) {
-		brcmf_dbg(ERROR, "Null interface\n");
+		brcmf_err("Null interface, idx=%d\n", bssidx);
 		return;
 	}
+	brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx);
 	if (ifp->ndev) {
-		if (ifidx == 0) {
+		if (bssidx == 0) {
 			if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
 				rtnl_lock();
 				brcmf_netdev_stop(ifp->ndev);
@@ -914,15 +855,18 @@ void brcmf_del_if(struct brcmf_pub *drvr, int ifidx)
 			netif_stop_queue(ifp->ndev);
 		}
 
+		if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) {
+			cancel_work_sync(&ifp->setmacaddr_work);
+			cancel_work_sync(&ifp->multicast_work);
+		}
+		/* unregister will take care of freeing it */
 		unregister_netdev(ifp->ndev);
-		drvr->iflist[ifidx] = NULL;
-		if (ifidx == 0)
-			brcmf_cfg80211_detach(drvr->config);
-		free_netdev(ifp->ndev);
+	} else {
+		kfree(ifp);
 	}
 }
 
-int brcmf_attach(uint bus_hdrlen, struct device *dev)
+int brcmf_attach(struct device *dev)
 {
 	struct brcmf_pub *drvr = NULL;
 	int ret = 0;
@@ -937,20 +881,22 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev)
 	mutex_init(&drvr->proto_block);
 
 	/* Link to bus module */
-	drvr->hdrlen = bus_hdrlen;
+	drvr->hdrlen = 0;
 	drvr->bus_if = dev_get_drvdata(dev);
 	drvr->bus_if->drvr = drvr;
-	drvr->dev = dev;
+
+	/* create device debugfs folder */
+	brcmf_debugfs_attach(drvr);
 
 	/* Attach and link in the protocol */
 	ret = brcmf_proto_attach(drvr);
 	if (ret != 0) {
-		brcmf_dbg(ERROR, "brcmf_prot_attach failed\n");
+		brcmf_err("brcmf_prot_attach failed\n");
 		goto fail;
 	}
 
-	INIT_WORK(&drvr->setmacaddr_work, _brcmf_set_mac_address);
-	INIT_WORK(&drvr->multicast_work, _brcmf_set_multicast_list);
+	/* attach firmware event handler */
+	brcmf_fweh_attach(drvr);
 
 	return ret;
 
@@ -963,121 +909,83 @@ fail:
 int brcmf_bus_start(struct device *dev)
 {
 	int ret = -1;
-	/* Room for "event_msgs" + '\0' + bitvec */
-	char iovbuf[BRCMF_EVENTING_MASK_LEN + 12];
 	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
 	struct brcmf_pub *drvr = bus_if->drvr;
+	struct brcmf_if *ifp;
+	struct brcmf_if *p2p_ifp;
 
 	brcmf_dbg(TRACE, "\n");
 
-	/* Bring up the bus */
-	ret = bus_if->brcmf_bus_init(dev);
-	if (ret != 0) {
-		brcmf_dbg(ERROR, "brcmf_sdbrcm_bus_init failed %d\n", ret);
-		return ret;
-	}
-
-	/* If bus is not ready, can't come up */
-	if (bus_if->state != BRCMF_BUS_DATA) {
-		brcmf_dbg(ERROR, "failed bus is not ready\n");
-		return -ENODEV;
-	}
+	/* add primary networking interface */
+	ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL);
+	if (IS_ERR(ifp))
+		return PTR_ERR(ifp);
 
-	brcmf_c_mkiovar("event_msgs", drvr->eventmask, BRCMF_EVENTING_MASK_LEN,
-		      iovbuf, sizeof(iovbuf));
-	brcmf_proto_cdc_query_dcmd(drvr, 0, BRCMF_C_GET_VAR, iovbuf,
-				    sizeof(iovbuf));
-	memcpy(drvr->eventmask, iovbuf, BRCMF_EVENTING_MASK_LEN);
-
-	setbit(drvr->eventmask, BRCMF_E_SET_SSID);
-	setbit(drvr->eventmask, BRCMF_E_PRUNE);
-	setbit(drvr->eventmask, BRCMF_E_AUTH);
-	setbit(drvr->eventmask, BRCMF_E_REASSOC);
-	setbit(drvr->eventmask, BRCMF_E_REASSOC_IND);
-	setbit(drvr->eventmask, BRCMF_E_DEAUTH_IND);
-	setbit(drvr->eventmask, BRCMF_E_DISASSOC_IND);
-	setbit(drvr->eventmask, BRCMF_E_DISASSOC);
-	setbit(drvr->eventmask, BRCMF_E_JOIN);
-	setbit(drvr->eventmask, BRCMF_E_ASSOC_IND);
-	setbit(drvr->eventmask, BRCMF_E_PSK_SUP);
-	setbit(drvr->eventmask, BRCMF_E_LINK);
-	setbit(drvr->eventmask, BRCMF_E_NDIS_LINK);
-	setbit(drvr->eventmask, BRCMF_E_MIC_ERROR);
-	setbit(drvr->eventmask, BRCMF_E_PMKID_CACHE);
-	setbit(drvr->eventmask, BRCMF_E_TXFAIL);
-	setbit(drvr->eventmask, BRCMF_E_JOIN_START);
-	setbit(drvr->eventmask, BRCMF_E_SCAN_COMPLETE);
-
-/* enable dongle roaming event */
-
-	drvr->pktfilter_count = 1;
-	/* Setup filter to allow only unicast */
-	drvr->pktfilter[0] = "100 0 0 0 0x01 0x00";
-
-	/* Bus is ready, do any protocol initialization */
-	ret = brcmf_proto_init(drvr);
-	if (ret < 0)
-		return ret;
-
-	return 0;
-}
-
-int brcmf_net_attach(struct brcmf_pub *drvr, int ifidx)
-{
-	struct net_device *ndev;
-	u8 temp_addr[ETH_ALEN] = {
-		0x00, 0x90, 0x4c, 0x11, 0x22, 0x33};
-
-	brcmf_dbg(TRACE, "ifidx %d\n", ifidx);
+	if (brcmf_p2p_enable)
+		p2p_ifp = brcmf_add_if(drvr, 1, 0, "p2p%d", NULL);
+	else
+		p2p_ifp = NULL;
+	if (IS_ERR(p2p_ifp))
+		p2p_ifp = NULL;
 
-	ndev = drvr->iflist[ifidx]->ndev;
-	ndev->netdev_ops = &brcmf_netdev_ops_pri;
+	/* signal bus ready */
+	brcmf_bus_change_state(bus_if, BRCMF_BUS_DATA);
 
-	/*
-	 * We have to use the primary MAC for virtual interfaces
-	 */
-	if (ifidx != 0) {
-		/* for virtual interfaces use the primary MAC  */
-		memcpy(temp_addr, drvr->mac, ETH_ALEN);
+	/* Bus is ready, do any initialization */
+	ret = brcmf_c_preinit_dcmds(ifp);
+	if (ret < 0)
+		goto fail;
 
-	}
+	ret = brcmf_fws_init(drvr);
+	if (ret < 0)
+		goto fail;
 
-	if (ifidx == 1) {
-		brcmf_dbg(TRACE, "ACCESS POINT MAC:\n");
-		/*  ACCESSPOINT INTERFACE CASE */
-		temp_addr[0] |= 0X02;	/* set bit 2 ,
-			 - Locally Administered address  */
+	brcmf_fws_add_interface(ifp);
 
+	drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev);
+	if (drvr->config == NULL) {
+		ret = -ENOMEM;
+		goto fail;
 	}
-	ndev->hard_header_len = ETH_HLEN + drvr->hdrlen;
-	ndev->ethtool_ops = &brcmf_ethtool_ops;
-
-	drvr->rxsz = ndev->mtu + ndev->hard_header_len +
-			      drvr->hdrlen;
 
-	memcpy(ndev->dev_addr, temp_addr, ETH_ALEN);
+	ret = brcmf_fweh_activate_events(ifp);
+	if (ret < 0)
+		goto fail;
 
-	/* attach to cfg80211 for primary interface */
-	if (!ifidx) {
-		drvr->config = brcmf_cfg80211_attach(ndev, drvr->dev, drvr);
-		if (drvr->config == NULL) {
-			brcmf_dbg(ERROR, "wl_cfg80211_attach failed\n");
-			goto fail;
+	ret = brcmf_net_attach(ifp, false);
+fail:
+	if (ret < 0) {
+		brcmf_err("failed: %d\n", ret);
+		brcmf_cfg80211_detach(drvr->config);
+		if (drvr->fws) {
+			brcmf_fws_del_interface(ifp);
+			brcmf_fws_deinit(drvr);
 		}
+		if (drvr->iflist[0]) {
+			free_netdev(ifp->ndev);
+			drvr->iflist[0] = NULL;
+		}
+		if (p2p_ifp) {
+			free_netdev(p2p_ifp->ndev);
+			drvr->iflist[1] = NULL;
+		}
+		return ret;
 	}
-
-	if (register_netdev(ndev) != 0) {
-		brcmf_dbg(ERROR, "couldn't register the net device\n");
-		goto fail;
-	}
-
-	brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
+	if ((brcmf_p2p_enable) && (p2p_ifp))
+		if (brcmf_net_p2p_attach(p2p_ifp) < 0)
+			brcmf_p2p_enable = 0;
 
 	return 0;
+}
 
-fail:
-	ndev->netdev_ops = NULL;
-	return -EBADE;
+void brcmf_bus_add_txhdrlen(struct device *dev, uint len)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_pub *drvr = bus_if->drvr;
+
+	if (drvr) {
+		drvr->hdrlen += len;
+	}
 }
 
 static void brcmf_bus_detach(struct brcmf_pub *drvr)
@@ -1085,99 +993,131 @@ static void brcmf_bus_detach(struct brcmf_pub *drvr)
 	brcmf_dbg(TRACE, "Enter\n");
 
 	if (drvr) {
-		/* Stop the protocol module */
-		brcmf_proto_stop(drvr);
-
 		/* Stop the bus module */
-		drvr->bus_if->brcmf_bus_stop(drvr->dev);
+		brcmf_bus_stop(drvr->bus_if);
 	}
 }
 
+void brcmf_dev_reset(struct device *dev)
+{
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_pub *drvr = bus_if->drvr;
+
+	if (drvr == NULL)
+		return;
+
+	if (drvr->iflist[0])
+		brcmf_fil_cmd_int_set(drvr->iflist[0], BRCMF_C_TERMINATED, 1);
+}
+
 void brcmf_detach(struct device *dev)
 {
-	int i;
+	s32 i;
 	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
 	struct brcmf_pub *drvr = bus_if->drvr;
 
 	brcmf_dbg(TRACE, "Enter\n");
 
+	if (drvr == NULL)
+		return;
+
+	/* stop firmware event handling */
+	brcmf_fweh_detach(drvr);
+
+	brcmf_bus_change_state(bus_if, BRCMF_BUS_DOWN);
 
 	/* make sure primary interface removed last */
 	for (i = BRCMF_MAX_IFS-1; i > -1; i--)
-		if (drvr->iflist[i])
+		if (drvr->iflist[i]) {
+			brcmf_fws_del_interface(drvr->iflist[i]);
 			brcmf_del_if(drvr, i);
+		}
 
-	cancel_work_sync(&drvr->setmacaddr_work);
-	cancel_work_sync(&drvr->multicast_work);
+	brcmf_cfg80211_detach(drvr->config);
+
+	brcmf_fws_deinit(drvr);
 
 	brcmf_bus_detach(drvr);
 
-	if (drvr->prot)
-		brcmf_proto_detach(drvr);
+	brcmf_proto_detach(drvr);
 
+	brcmf_debugfs_detach(drvr);
 	bus_if->drvr = NULL;
 	kfree(drvr);
 }
 
-static int brcmf_get_pend_8021x_cnt(struct brcmf_pub *drvr)
+s32 brcmf_iovar_data_set(struct device *dev, char *name, void *data, u32 len)
 {
-	return atomic_read(&drvr->pend_8021x_cnt);
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_if *ifp = bus_if->drvr->iflist[0];
+
+	return brcmf_fil_iovar_data_set(ifp, name, data, len);
 }
 
-#define MAX_WAIT_FOR_8021X_TX	10
+static int brcmf_get_pend_8021x_cnt(struct brcmf_if *ifp)
+{
+	return atomic_read(&ifp->pend_8021x_cnt);
+}
 
 int brcmf_netdev_wait_pend8021x(struct net_device *ndev)
 {
 	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_pub *drvr = ifp->drvr;
-	int timeout = 10 * HZ / 1000;
-	int ntimes = MAX_WAIT_FOR_8021X_TX;
-	int pend = brcmf_get_pend_8021x_cnt(drvr);
-
-	while (ntimes && pend) {
-		if (pend) {
-			set_current_state(TASK_INTERRUPTIBLE);
-			schedule_timeout(timeout);
-			set_current_state(TASK_RUNNING);
-			ntimes--;
-		}
-		pend = brcmf_get_pend_8021x_cnt(drvr);
-	}
-	return pend;
+	int err;
+
+	err = wait_event_timeout(ifp->pend_8021x_wait,
+				 !brcmf_get_pend_8021x_cnt(ifp),
+				 msecs_to_jiffies(MAX_WAIT_FOR_8021X_TX));
+
+	WARN_ON(!err);
+
+	return !err;
 }
 
-#ifdef BCMDBG
-int brcmf_write_to_file(struct brcmf_pub *drvr, const u8 *buf, int size)
+/*
+ * return chip id and rev of the device encoded in u32.
+ */
+u32 brcmf_get_chip_info(struct brcmf_if *ifp)
 {
-	int ret = 0;
-	struct file *fp;
-	mm_segment_t old_fs;
-	loff_t pos = 0;
-
-	/* change to KERNEL_DS address limit */
-	old_fs = get_fs();
-	set_fs(KERNEL_DS);
-
-	/* open file to write */
-	fp = filp_open("/tmp/mem_dump", O_WRONLY | O_CREAT, 0640);
-	if (!fp) {
-		brcmf_dbg(ERROR, "open file error\n");
-		ret = -1;
-		goto exit;
-	}
+	struct brcmf_bus *bus = ifp->drvr->bus_if;
 
-	/* Write buf to file */
-	fp->f_op->write(fp, (char __user *)buf, size, &pos);
+	return bus->chip << 4 | bus->chiprev;
+}
 
-exit:
-	/* free buf before return */
-	kfree(buf);
-	/* close file before return */
-	if (fp)
-		filp_close(fp, current->files);
-	/* restore previous address limit */
-	set_fs(old_fs);
+static void brcmf_driver_register(struct work_struct *work)
+{
+#ifdef CONFIG_BRCMFMAC_SDIO
+	brcmf_sdio_register();
+#endif
+#ifdef CONFIG_BRCMFMAC_USB
+	brcmf_usb_register();
+#endif
+}
+static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register);
 
-	return ret;
+static int __init brcmfmac_module_init(void)
+{
+	brcmf_debugfs_init();
+#ifdef CONFIG_BRCMFMAC_SDIO
+	brcmf_sdio_init();
+#endif
+	if (!schedule_work(&brcmf_driver_work))
+		return -EBUSY;
+
+	return 0;
+}
+
+static void __exit brcmfmac_module_exit(void)
+{
+	cancel_work_sync(&brcmf_driver_work);
+
+#ifdef CONFIG_BRCMFMAC_SDIO
+	brcmf_sdio_exit();
+#endif
+#ifdef CONFIG_BRCMFMAC_USB
+	brcmf_usb_exit();
+#endif
+	brcmf_debugfs_exit();
 }
-#endif				/* BCMDBG */
+
+module_init(brcmfmac_module_init);
+module_exit(brcmfmac_module_exit);