1 files changed, 579 insertions, 389 deletions

diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index 74a616b4de8..09dd8c13d84 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -14,8 +14,6 @@
  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
 #include <linux/kernel.h>
 #include <linux/etherdevice.h>
 #include <linux/module.h>
@@ -26,22 +24,44 @@
 
 #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 802.11 wireless LAN fullmac driver.");
-MODULE_SUPPORTED_DEVICE("Broadcom 802.11 WLAN fullmac cards");
 MODULE_LICENSE("Dual BSD/GPL");
 
 #define MAX_WAIT_FOR_8021X_TX		50	/* msecs */
 
+/* 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
+
+#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
+
 /* Error bits */
 int brcmf_msg_level;
-module_param(brcmf_msg_level, int, 0);
-
+module_param_named(debug, brcmf_msg_level, int, S_IRUSR | S_IWUSR);
+MODULE_PARM_DESC(debug, "level of debug output");
+
+/* 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)
 {
@@ -72,9 +92,10 @@ static void _brcmf_set_multicast_list(struct work_struct *work)
 	u32 buflen;
 	s32 err;
 
-	brcmf_dbg(TRACE, "enter\n");
-
 	ifp = container_of(work, struct brcmf_if, multicast_work);
+
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
+
 	ndev = ifp->ndev;
 
 	/* Determine initial value of allmulti flag */
@@ -131,9 +152,10 @@ _brcmf_set_mac_address(struct work_struct *work)
 	struct brcmf_if *ifp;
 	s32 err;
 
-	brcmf_dbg(TRACE, "enter\n");
-
 	ifp = container_of(work, struct brcmf_if, setmacaddr_work);
+
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
+
 	err = brcmf_fil_iovar_data_set(ifp, "cur_etheraddr", ifp->mac_addr,
 				       ETH_ALEN);
 	if (err < 0) {
@@ -162,28 +184,31 @@ static void brcmf_netdev_set_multicast_list(struct net_device *ndev)
 	schedule_work(&ifp->multicast_work);
 }
 
-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_DATA)) {
-		brcmf_err("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_err("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 */
@@ -191,202 +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_err("%s: skb_realloc_headroom failed\n",
-				  brcmf_ifname(drvr, ifp->idx));
+				  brcmf_ifname(drvr, ifp->bssidx));
 			ret = -ENOMEM;
 			goto done;
 		}
 	}
 
-	/* Update multicast statistic */
-	if (skb->len >= ETH_ALEN) {
-		u8 *pktdata = (u8 *)(skb->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);
+	/* validate length for ether packet */
+	if (skb->len < sizeof(*eh)) {
+		ret = -EINVAL;
+		dev_kfree_skb(skb);
+		goto done;
 	}
 
-	/* If the protocol uses a data header, apply it */
-	brcmf_proto_hdrpush(drvr, ifp->idx, skb);
+	if (eh->h_proto == htons(ETH_P_PAE))
+		atomic_inc(&ifp->pend_8021x_cnt);
 
-	/* Use bus module to send data frame */
-	ret =  brcmf_bus_txdata(drvr->bus_if, skb);
+	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_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;
-	int i;
 
 	brcmf_dbg(TRACE, "Enter\n");
 
-	for (i = 0; i < BRCMF_MAX_IFS; i++)
-		if (drvr->iflist[i]) {
-			ndev = drvr->iflist[i]->ndev;
-			if (state)
-				netif_stop_queue(ndev);
-			else
-				netif_wake_queue(ndev);
-		}
+	brcmf_fws_bus_blocked(drvr, state);
 }
 
-void brcmf_rx_frame(struct device *dev, u8 ifidx,
-		    struct sk_buff_head *skb_list)
+static void brcmf_netif_rx(struct brcmf_if *ifp, struct sk_buff *skb)
 {
-	unsigned char *eth;
-	uint len;
-	struct sk_buff *skb, *pnext;
-	struct brcmf_if *ifp;
-	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
-	struct brcmf_pub *drvr = bus_if->drvr;
+	skb->dev = ifp->ndev;
+	skb->protocol = eth_type_trans(skb, skb->dev);
 
-	brcmf_dbg(TRACE, "Enter\n");
+	if (skb->pkt_type == PACKET_MULTICAST)
+		ifp->stats.multicast++;
 
-	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
+	/* Process special event packets */
+	brcmf_fweh_process_skb(ifp->drvr, skb);
+
+	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().
 		 */
-		eth = skb->data;
-		len = skb->len;
+		netif_rx_ni(skb);
+}
 
-		ifp = drvr->iflist[ifidx];
-		if (ifp == NULL)
-			ifp = drvr->iflist[0];
+static void brcmf_rxreorder_get_skb_list(struct brcmf_ampdu_rx_reorder *rfi,
+					 u8 start, u8 end,
+					 struct sk_buff_head *skb_list)
+{
+	/* initialize return list */
+	__skb_queue_head_init(skb_list);
 
-		if (!ifp || !ifp->ndev ||
-		    ifp->ndev->reg_state != NETREG_REGISTERED) {
-			brcmu_pkt_buf_free_skb(skb);
-			continue;
-		}
+	if (rfi->pend_pkts == 0) {
+		brcmf_dbg(INFO, "no packets in reorder queue\n");
+		return;
+	}
 
-		skb->dev = ifp->ndev;
-		skb->protocol = eth_type_trans(skb, skb->dev);
+	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);
+}
 
-		if (skb->pkt_type == PACKET_MULTICAST)
-			bus_if->dstats.multicast++;
+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;
+	}
 
-		skb->data = eth;
-		skb->len = len;
+	rfi = ifp->drvr->reorder_flows[flow_id];
+	if (flags & BRCMF_RXREORDER_DEL_FLOW) {
+		brcmf_dbg(INFO, "flow-%d: delete\n",
+			  flow_id);
 
-		/* Strip header, count, deliver upward */
-		skb_pull(skb, ETH_HLEN);
+		if (rfi == NULL) {
+			brcmf_dbg(INFO, "received flags to cleanup, but no flow (%d) yet\n",
+				  flow_id);
+			brcmf_netif_rx(ifp, pkt);
+			return;
+		}
 
-		/* Process special event packets and then discard them */
-		brcmf_fweh_process_skb(drvr, skb, &ifidx);
+		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 (drvr->iflist[ifidx]) {
-			ifp = drvr->iflist[ifidx];
-			ifp->ndev->last_rx = jiffies;
+		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++;
+
+			/* 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);
+
+			rfi->cur_idx = cur_idx;
+			rfi->exp_idx = exp_idx;
+
+			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;
+
+			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);
+	brcmf_dbg(DATA, "Enter: %s: rxp=%p\n", dev_name(dev), skb);
 
-	eh = (struct ethhdr *)(txp->data);
-	type = ntohs(eh->h_proto);
+	/* process and remove protocol-specific header */
+	ret = brcmf_proto_hdrpull(drvr, true, &ifidx, skb);
+	ifp = drvr->iflist[ifidx];
 
-	if (type == ETH_P_PAE) {
-		atomic_dec(&drvr->pend_8021x_cnt);
-		if (waitqueue_active(&drvr->pend_8021x_wait))
-			wake_up(&drvr->pend_8021x_wait);
+	if (ret || !ifp || !ifp->ndev) {
+		if ((ret != -ENODATA) && ifp)
+			ifp->stats.rx_errors++;
+		brcmu_pkt_buf_free_skb(skb);
+		return;
 	}
+
+	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);
 }
 
-static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev)
+void brcmf_txfinalize(struct brcmf_pub *drvr, struct sk_buff *txp, u8 ifidx,
+		      bool success)
 {
-	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_bus *bus_if = ifp->drvr->bus_if;
+	struct brcmf_if *ifp;
+	struct ethhdr *eh;
+	u16 type;
 
-	brcmf_dbg(TRACE, "Enter\n");
+	ifp = drvr->iflist[ifidx];
+	if (!ifp)
+		goto done;
 
-	/* 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;
+	eh = (struct ethhdr *)(txp->data);
+	type = ntohs(eh->h_proto);
 
-	return &ifp->stats;
+	if (type == ETH_P_PAE) {
+		atomic_dec(&ifp->pend_8021x_cnt);
+		if (waitqueue_active(&ifp->pend_8021x_wait))
+			wake_up(&ifp->pend_8021x_wait);
+	}
+
+	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_if *ifp, u32 toe_ol)
+void brcmf_txcomplete(struct device *dev, struct sk_buff *txp, bool success)
 {
-	s32 err;
+	struct brcmf_bus *bus_if = dev_get_drvdata(dev);
+	struct brcmf_pub *drvr = bus_if->drvr;
+	u8 ifidx;
 
-	err = brcmf_fil_iovar_int_set(ifp, "toe_ol", toe_ol);
-	if (err < 0) {
-		brcmf_err("Setting toe_ol failed, %d\n", err);
-		return err;
+	/* 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);
 	}
+}
 
-	err = brcmf_fil_iovar_int_set(ifp, "toe", (toe_ol != 0));
-	if (err < 0)
-		brcmf_err("Setting toe failed, %d\n", err);
+static struct net_device_stats *brcmf_netdev_get_stats(struct net_device *ndev)
+{
+	struct brcmf_if *ifp = netdev_priv(ndev);
 
-	return err;
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
 
+	return &ifp->stats;
 }
 
 static void brcmf_ethtool_get_drvinfo(struct net_device *ndev,
@@ -395,153 +600,26 @@ 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->bus_if->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 const struct ethtool_ops brcmf_ethtool_ops = {
 	.get_drvinfo = brcmf_ethtool_get_drvinfo,
 };
 
-static int brcmf_ethtool(struct brcmf_if *ifp, void __user *uaddr)
-{
-	struct brcmf_pub *drvr = ifp->drvr;
-	struct ethtool_drvinfo info;
-	char drvname[sizeof(info.driver)];
-	u32 cmd;
-	struct ethtool_value edata;
-	u32 toe_cmpnt, csum_dir;
-	int ret;
-
-	brcmf_dbg(TRACE, "Enter\n");
-
-	/* 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);
-		}
-
-		/* otherwise, require dongle to be up */
-		else if (!drvr->bus_if->drvr_up) {
-			brcmf_err("dongle is not up\n");
-			return -ENODEV;
-		}
-		/* finally, report dongle driver type */
-		else
-			sprintf(info.driver, "wl");
-
-		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_fil_iovar_int_get(ifp, "toe_ol", &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_fil_iovar_int_get(ifp, "toe_ol", &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;
-
-		ret = brcmf_toe_set(ifp, toe_cmpnt);
-		if (ret < 0)
-			return ret;
-
-		/* If setting TX checksum mode, tell Linux the new mode */
-		if (cmd == ETHTOOL_STXCSUM) {
-			if (edata.data)
-				ifp->ndev->features |= NETIF_F_IP_CSUM;
-			else
-				ifp->ndev->features &= ~NETIF_F_IP_CSUM;
-		}
-
-		break;
-
-	default:
-		return -EOPNOTSUPP;
-	}
-
-	return 0;
-}
-
-static int brcmf_netdev_ioctl_entry(struct net_device *ndev, struct ifreq *ifr,
-				    int cmd)
-{
-	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_pub *drvr = ifp->drvr;
-
-	brcmf_dbg(TRACE, "ifidx %d, cmd 0x%04x\n", ifp->idx, cmd);
-
-	if (!drvr->iflist[ifp->idx])
-		return -1;
-
-	if (cmd == SIOCETHTOOL)
-		return brcmf_ethtool(ifp, ifr->ifr_data);
-
-	return -EOPNOTSUPP;
-}
-
 static int brcmf_netdev_stop(struct net_device *ndev)
 {
 	struct brcmf_if *ifp = netdev_priv(ndev);
-	struct brcmf_pub *drvr = ifp->drvr;
 
-	brcmf_dbg(TRACE, "Enter\n");
-
-	if (drvr->bus_if->drvr_up == 0)
-		return 0;
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
 
 	brcmf_cfg80211_down(ndev);
 
 	/* Set state and stop OS transmissions */
-	drvr->bus_if->drvr_up = false;
 	netif_stop_queue(ndev);
 
 	return 0;
@@ -553,9 +631,8 @@ static int brcmf_netdev_open(struct net_device *ndev)
 	struct brcmf_pub *drvr = ifp->drvr;
 	struct brcmf_bus *bus_if = drvr->bus_if;
 	u32 toe_ol;
-	s32 ret = 0;
 
-	brcmf_dbg(TRACE, "ifidx %d\n", ifp->idx);
+	brcmf_dbg(TRACE, "Enter, idx=%d\n", ifp->bssidx);
 
 	/* If bus is not ready, can't continue */
 	if (bus_if->state != BRCMF_BUS_DATA) {
@@ -563,68 +640,48 @@ static int brcmf_netdev_open(struct net_device *ndev)
 		return -EAGAIN;
 	}
 
-	atomic_set(&drvr->pend_8021x_cnt, 0);
-
-	memcpy(ndev->dev_addr, drvr->mac, ETH_ALEN);
+	atomic_set(&ifp->pend_8021x_cnt, 0);
 
 	/* 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)
-		drvr->iflist[ifp->idx]->ndev->features |=
-			NETIF_F_IP_CSUM;
+		ndev->features |= NETIF_F_IP_CSUM;
 	else
-		drvr->iflist[ifp->idx]->ndev->features &=
-			~NETIF_F_IP_CSUM;
+		ndev->features &= ~NETIF_F_IP_CSUM;
 
-	/* make sure RF is ready for work */
-	brcmf_fil_cmd_int_set(ifp, BRCMF_C_UP, 0);
-
-	/* Allow transmit calls */
-	netif_start_queue(ndev);
-	drvr->bus_if->drvr_up = true;
 	if (brcmf_cfg80211_up(ndev)) {
 		brcmf_err("failed to bring up cfg80211\n");
-		return -1;
+		return -EIO;
 	}
 
-	return ret;
+	/* Allow transmit calls */
+	netif_start_queue(ndev);
+	return 0;
 }
 
 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
-};
-
-static const struct net_device_ops brcmf_netdev_ops_virt = {
-	.ndo_open = brcmf_cfg80211_up,
-	.ndo_stop = brcmf_cfg80211_down,
-	.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
 };
 
-int brcmf_net_attach(struct brcmf_if *ifp)
+int brcmf_net_attach(struct brcmf_if *ifp, bool rtnl_locked)
 {
 	struct brcmf_pub *drvr = ifp->drvr;
 	struct net_device *ndev;
+	s32 err;
 
-	brcmf_dbg(TRACE, "ifidx %d mac %pM\n", ifp->idx, ifp->mac_addr);
+	brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx,
+		  ifp->mac_addr);
 	ndev = ifp->ndev;
 
 	/* set appropriate operations */
-	if (!ifp->idx)
-		ndev->netdev_ops = &brcmf_netdev_ops_pri;
-	else
-		ndev->netdev_ops = &brcmf_netdev_ops_virt;
+	ndev->netdev_ops = &brcmf_netdev_ops_pri;
 
-	ndev->hard_header_len = ETH_HLEN + drvr->hdrlen;
+	ndev->hard_header_len += drvr->hdrlen;
 	ndev->ethtool_ops = &brcmf_ethtool_ops;
 
 	drvr->rxsz = ndev->mtu + ndev->hard_header_len +
@@ -633,30 +690,97 @@ int brcmf_net_attach(struct brcmf_if *ifp)
 	/* set the mac address */
 	memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
 
-	if (register_netdev(ndev) != 0) {
+	INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address);
+	INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list);
+
+	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;
 	}
 
 	brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
 
+	ndev->destructor = brcmf_cfg80211_free_netdev;
+	return 0;
+
+fail:
+	drvr->iflist[ifp->bssidx] = NULL;
+	ndev->netdev_ops = NULL;
+	free_netdev(ndev);
+	return -EBADE;
+}
+
+static int brcmf_net_p2p_open(struct net_device *ndev)
+{
+	brcmf_dbg(TRACE, "Enter\n");
+
+	return brcmf_cfg80211_up(ndev);
+}
+
+static int brcmf_net_p2p_stop(struct net_device *ndev)
+{
+	brcmf_dbg(TRACE, "Enter\n");
+
+	return brcmf_cfg80211_down(ndev);
+}
+
+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 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 net_device *ndev;
+
+	brcmf_dbg(TRACE, "Enter, idx=%d mac=%pM\n", ifp->bssidx,
+		  ifp->mac_addr);
+	ndev = ifp->ndev;
+
+	ndev->netdev_ops = &brcmf_netdev_ops_p2p;
+
+	/* set the mac address */
+	memcpy(ndev->dev_addr, ifp->mac_addr, ETH_ALEN);
+
+	if (register_netdev(ndev) != 0) {
+		brcmf_err("couldn't register the p2p net device\n");
+		goto fail;
+	}
+
+	brcmf_dbg(INFO, "%s: Broadcom Dongle Host Driver\n", ndev->name);
+
 	return 0;
 
 fail:
+	ifp->drvr->iflist[ifp->bssidx] = NULL;
 	ndev->netdev_ops = NULL;
+	free_netdev(ndev);
 	return -EBADE;
 }
 
-struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx,
-			      char *name, u8 *addr_mask)
+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;
-	int i;
 
-	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.
@@ -668,53 +792,60 @@ struct brcmf_if *brcmf_add_if(struct brcmf_pub *drvr, int ifidx, s32 bssidx,
 			netif_stop_queue(ifp->ndev);
 			unregister_netdev(ifp->ndev);
 			free_netdev(ifp->ndev);
-			drvr->iflist[ifidx] = NULL;
+			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_err("OOM - alloc_netdev\n");
-		return ERR_PTR(-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;
+	drvr->iflist[bssidx] = ifp;
+	ifp->ifidx = ifidx;
 	ifp->bssidx = bssidx;
 
-	INIT_WORK(&ifp->setmacaddr_work, _brcmf_set_mac_address);
-	INIT_WORK(&ifp->multicast_work, _brcmf_set_multicast_list);
+	init_waitqueue_head(&ifp->pend_8021x_wait);
+	spin_lock_init(&ifp->netif_stop_lock);
 
-	if (addr_mask != NULL)
-		for (i = 0; i < ETH_ALEN; i++)
-			ifp->mac_addr[i] = drvr->mac[i] ^ addr_mask[i];
+	if (mac_addr != NULL)
+		memcpy(ifp->mac_addr, mac_addr, ETH_ALEN);
 
 	brcmf_dbg(TRACE, " ==== pid:%x, if:%s (%pM) created ===\n",
-		  current->pid, ifp->ndev->name, ifp->mac_addr);
+		  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_err("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);
@@ -724,18 +855,18 @@ void brcmf_del_if(struct brcmf_pub *drvr, int ifidx)
 			netif_stop_queue(ifp->ndev);
 		}
 
-		cancel_work_sync(&ifp->setmacaddr_work);
-		cancel_work_sync(&ifp->multicast_work);
-
+		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;
@@ -750,7 +881,7 @@ 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;
 
@@ -767,10 +898,6 @@ int brcmf_attach(uint bus_hdrlen, struct device *dev)
 	/* attach firmware event handler */
 	brcmf_fweh_attach(drvr);
 
-	INIT_LIST_HEAD(&drvr->bus_if->dcmd_list);
-
-	init_waitqueue_head(&drvr->pend_8021x_wait);
-
 	return ret;
 
 fail:
@@ -785,29 +912,36 @@ int brcmf_bus_start(struct device *dev)
 	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 = brcmf_bus_init(bus_if);
-	if (ret != 0) {
-		brcmf_err("brcmf_sdbrcm_bus_init failed %d\n", ret);
-		return ret;
-	}
-
 	/* add primary networking interface */
 	ifp = brcmf_add_if(drvr, 0, 0, "wlan%d", NULL);
 	if (IS_ERR(ifp))
 		return PTR_ERR(ifp);
 
+	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;
+
 	/* signal bus ready */
-	bus_if->state = BRCMF_BUS_DATA;
+	brcmf_bus_change_state(bus_if, BRCMF_BUS_DATA);
 
 	/* 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;
+
+	brcmf_fws_add_interface(ifp);
+
 	drvr->config = brcmf_cfg80211_attach(drvr, bus_if->dev);
 	if (drvr->config == NULL) {
 		ret = -ENOMEM;
@@ -818,36 +952,67 @@ int brcmf_bus_start(struct device *dev)
 	if (ret < 0)
 		goto fail;
 
-	ret = brcmf_net_attach(ifp);
+	ret = brcmf_net_attach(ifp, false);
 fail:
 	if (ret < 0) {
 		brcmf_err("failed: %d\n", ret);
-		if (drvr->config)
-			brcmf_cfg80211_detach(drvr->config);
-		free_netdev(drvr->iflist[0]->ndev);
-		drvr->iflist[0] = NULL;
+		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 ((brcmf_p2p_enable) && (p2p_ifp))
+		if (brcmf_net_p2p_attach(p2p_ifp) < 0)
+			brcmf_p2p_enable = 0;
 
 	return 0;
 }
 
+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)
 {
 	brcmf_dbg(TRACE, "Enter\n");
 
 	if (drvr) {
-		/* Stop the protocol module */
-		brcmf_proto_stop(drvr);
-
 		/* Stop the bus module */
 		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;
 
@@ -859,35 +1024,48 @@ void brcmf_detach(struct device *dev)
 	/* 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);
+		}
+
+	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);
+}
+
+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 err;
 
-	err = wait_event_timeout(drvr->pend_8021x_wait,
-				 !brcmf_get_pend_8021x_cnt(drvr),
+	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);
@@ -895,21 +1073,33 @@ int brcmf_netdev_wait_pend8021x(struct net_device *ndev)
 	return !err;
 }
 
-static void brcmf_driver_init(struct work_struct *work)
+/*
+ * return chip id and rev of the device encoded in u32.
+ */
+u32 brcmf_get_chip_info(struct brcmf_if *ifp)
 {
-	brcmf_debugfs_init();
+	struct brcmf_bus *bus = ifp->drvr->bus_if;
 
+	return bus->chip << 4 | bus->chiprev;
+}
+
+static void brcmf_driver_register(struct work_struct *work)
+{
 #ifdef CONFIG_BRCMFMAC_SDIO
-	brcmf_sdio_init();
+	brcmf_sdio_register();
 #endif
 #ifdef CONFIG_BRCMFMAC_USB
-	brcmf_usb_init();
+	brcmf_usb_register();
 #endif
 }
-static DECLARE_WORK(brcmf_driver_work, brcmf_driver_init);
+static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register);
 
 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;