[deliverable/linux.git] / drivers / net / wireless / marvell / mwifiex / sta_rx.c

/*
 * Marvell Wireless LAN device driver: station RX data handling
 *
 * Copyright (C) 2011-2014, Marvell International Ltd.
 *
 * This software file (the "File") is distributed by Marvell International
 * Ltd. under the terms of the GNU General Public License Version 2, June 1991
 * (the "License").  You may use, redistribute and/or modify this File in
 * accordance with the terms and conditions of the License, a copy of which
 * is available by writing to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
 * ARE EXPRESSLY DISCLAIMED.  The License provides additional details about
 * this warranty disclaimer.
 */

#include <uapi/linux/ipv6.h>
#include <net/ndisc.h>
#include "decl.h"
#include "ioctl.h"
#include "util.h"
#include "fw.h"
#include "main.h"
#include "11n_aggr.h"
#include "11n_rxreorder.h"

/* This function checks if a frame is IPv4 ARP or IPv6 Neighbour advertisement
 * frame. If frame has both source and destination mac address as same, this
 * function drops such gratuitous frames.
 */
static bool
mwifiex_discard_gratuitous_arp(struct mwifiex_private *priv,
			       struct sk_buff *skb)
{
	const struct mwifiex_arp_eth_header *arp;
	struct ethhdr *eth;
	struct ipv6hdr *ipv6;
	struct icmp6hdr *icmpv6;

	eth = (struct ethhdr *)skb->data;
	switch (ntohs(eth->h_proto)) {
	case ETH_P_ARP:
		arp = (void *)(skb->data + sizeof(struct ethhdr));
		if (arp->hdr.ar_op == htons(ARPOP_REPLY) ||
		    arp->hdr.ar_op == htons(ARPOP_REQUEST)) {
			if (!memcmp(arp->ar_sip, arp->ar_tip, 4))
				return true;
		}
		break;
	case ETH_P_IPV6:
		ipv6 = (void *)(skb->data + sizeof(struct ethhdr));
		icmpv6 = (void *)(skb->data + sizeof(struct ethhdr) +
				  sizeof(struct ipv6hdr));
		if (NDISC_NEIGHBOUR_ADVERTISEMENT == icmpv6->icmp6_type) {
			if (!memcmp(&ipv6->saddr, &ipv6->daddr,
				    sizeof(struct in6_addr)))
				return true;
		}
		break;
	default:
		break;
	}

	return false;
}

/*
 * This function processes the received packet and forwards it
 * to kernel/upper layer.
 *
 * This function parses through the received packet and determines
 * if it is a debug packet or normal packet.
 *
 * For non-debug packets, the function chops off unnecessary leading
 * header bytes, reconstructs the packet as an ethernet frame or
 * 802.2/llc/snap frame as required, and sends it to kernel/upper layer.
 *
 * The completion callback is called after processing in complete.
 */
int mwifiex_process_rx_packet(struct mwifiex_private *priv,
			      struct sk_buff *skb)
{
	int ret;
	struct rx_packet_hdr *rx_pkt_hdr;
	struct rxpd *local_rx_pd;
	int hdr_chop;
	struct ethhdr *eth;
	u16 rx_pkt_off, rx_pkt_len;
	u8 *offset;
	u8 adj_rx_rate = 0;

	local_rx_pd = (struct rxpd *) (skb->data);

	rx_pkt_off = le16_to_cpu(local_rx_pd->rx_pkt_offset);
	rx_pkt_len = le16_to_cpu(local_rx_pd->rx_pkt_length);
	rx_pkt_hdr = (void *)local_rx_pd + rx_pkt_off;

	if ((!memcmp(&rx_pkt_hdr->rfc1042_hdr, bridge_tunnel_header,
		     sizeof(bridge_tunnel_header))) ||
	    (!memcmp(&rx_pkt_hdr->rfc1042_hdr, rfc1042_header,
		     sizeof(rfc1042_header)) &&
	     ntohs(rx_pkt_hdr->rfc1042_hdr.snap_type) != ETH_P_AARP &&
	     ntohs(rx_pkt_hdr->rfc1042_hdr.snap_type) != ETH_P_IPX)) {
		/*
		 *  Replace the 803 header and rfc1042 header (llc/snap) with an
		 *    EthernetII header, keep the src/dst and snap_type
		 *    (ethertype).
		 *  The firmware only passes up SNAP frames converting
		 *    all RX Data from 802.11 to 802.2/LLC/SNAP frames.
		 *  To create the Ethernet II, just move the src, dst address
		 *    right before the snap_type.
		 */
		eth = (struct ethhdr *)
			((u8 *) &rx_pkt_hdr->eth803_hdr
			 + sizeof(rx_pkt_hdr->eth803_hdr) +
			 sizeof(rx_pkt_hdr->rfc1042_hdr)
			 - sizeof(rx_pkt_hdr->eth803_hdr.h_dest)
			 - sizeof(rx_pkt_hdr->eth803_hdr.h_source)
			 - sizeof(rx_pkt_hdr->rfc1042_hdr.snap_type));

		memcpy(eth->h_source, rx_pkt_hdr->eth803_hdr.h_source,
		       sizeof(eth->h_source));
		memcpy(eth->h_dest, rx_pkt_hdr->eth803_hdr.h_dest,
		       sizeof(eth->h_dest));

		/* Chop off the rxpd + the excess memory from the 802.2/llc/snap
		   header that was removed. */
		hdr_chop = (u8 *) eth - (u8 *) local_rx_pd;
	} else {
		/* Chop off the rxpd */
		hdr_chop = (u8 *) &rx_pkt_hdr->eth803_hdr -
			(u8 *) local_rx_pd;
	}

	/* Chop off the leading header bytes so the it points to the start of
	   either the reconstructed EthII frame or the 802.2/llc/snap frame */
	skb_pull(skb, hdr_chop);

	if (priv->hs2_enabled &&
	    mwifiex_discard_gratuitous_arp(priv, skb)) {
		mwifiex_dbg(priv->adapter, INFO, "Bypassed Gratuitous ARP\n");
		dev_kfree_skb_any(skb);
		return 0;
	}

	if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
	    ntohs(rx_pkt_hdr->eth803_hdr.h_proto) == ETH_P_TDLS) {
		offset = (u8 *)local_rx_pd + rx_pkt_off;
		mwifiex_process_tdls_action_frame(priv, offset, rx_pkt_len);
	}

	priv->rxpd_rate = local_rx_pd->rx_rate;

	priv->rxpd_htinfo = local_rx_pd->ht_info;

	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA ||
	    GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
		adj_rx_rate = mwifiex_adjust_data_rate(priv, priv->rxpd_rate,
						       priv->rxpd_htinfo);
		mwifiex_hist_data_add(priv, adj_rx_rate, local_rx_pd->snr,
				      local_rx_pd->nf);
	}

	ret = mwifiex_recv_packet(priv, skb);
	if (ret == -1)
		mwifiex_dbg(priv->adapter, ERROR,
			    "recv packet failed\n");

	return ret;
}

/*
 * This function processes the received buffer.
 *
 * The function looks into the RxPD and performs sanity tests on the
 * received buffer to ensure its a valid packet, before processing it
 * further. If the packet is determined to be aggregated, it is
 * de-aggregated accordingly. Non-unicast packets are sent directly to
 * the kernel/upper layers. Unicast packets are handed over to the
 * Rx reordering routine if 11n is enabled.
 *
 * The completion callback is called after processing in complete.
 */
int mwifiex_process_sta_rx_packet(struct mwifiex_private *priv,
				  struct sk_buff *skb)
{
	struct mwifiex_adapter *adapter = priv->adapter;
	int ret = 0;
	struct rxpd *local_rx_pd;
	struct rx_packet_hdr *rx_pkt_hdr;
	u8 ta[ETH_ALEN];
	u16 rx_pkt_type, rx_pkt_offset, rx_pkt_length, seq_num;
	struct mwifiex_sta_node *sta_ptr;

	local_rx_pd = (struct rxpd *) (skb->data);
	rx_pkt_type = le16_to_cpu(local_rx_pd->rx_pkt_type);
	rx_pkt_offset = le16_to_cpu(local_rx_pd->rx_pkt_offset);
	rx_pkt_length = le16_to_cpu(local_rx_pd->rx_pkt_length);
	seq_num = le16_to_cpu(local_rx_pd->seq_num);

	rx_pkt_hdr = (void *)local_rx_pd + rx_pkt_offset;

	if ((rx_pkt_offset + rx_pkt_length) > (u16) skb->len) {
		mwifiex_dbg(adapter, ERROR,
			    "wrong rx packet: len=%d, rx_pkt_offset=%d, rx_pkt_length=%d\n",
			    skb->len, rx_pkt_offset, rx_pkt_length);
		priv->stats.rx_dropped++;
		dev_kfree_skb_any(skb);
		return ret;
	}

	if (rx_pkt_type == PKT_TYPE_MGMT) {
		ret = mwifiex_process_mgmt_packet(priv, skb);
		if (ret)
			mwifiex_dbg(adapter, DATA, "Rx of mgmt packet failed");
		dev_kfree_skb_any(skb);
		return ret;
	}

	/*
	 * If the packet is not an unicast packet then send the packet
	 * directly to os. Don't pass thru rx reordering
	 */
	if ((!IS_11N_ENABLED(priv) &&
	     !(ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
	       !(local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET))) ||
	    !ether_addr_equal_unaligned(priv->curr_addr, rx_pkt_hdr->eth803_hdr.h_dest)) {
		mwifiex_process_rx_packet(priv, skb);
		return ret;
	}

	if (mwifiex_queuing_ra_based(priv) ||
	    (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
	     local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET)) {
		memcpy(ta, rx_pkt_hdr->eth803_hdr.h_source, ETH_ALEN);
		if (local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET &&
		    local_rx_pd->priority < MAX_NUM_TID) {
			sta_ptr = mwifiex_get_sta_entry(priv, ta);
			if (sta_ptr)
				sta_ptr->rx_seq[local_rx_pd->priority] =
					      le16_to_cpu(local_rx_pd->seq_num);
			mwifiex_auto_tdls_update_peer_signal(priv, ta,
							     local_rx_pd->snr,
							     local_rx_pd->nf);
		}
	} else {
		if (rx_pkt_type != PKT_TYPE_BAR)
			priv->rx_seq[local_rx_pd->priority] = seq_num;
		memcpy(ta, priv->curr_bss_params.bss_descriptor.mac_address,
		       ETH_ALEN);
	}

	/* Reorder and send to OS */
	ret = mwifiex_11n_rx_reorder_pkt(priv, seq_num, local_rx_pd->priority,
					 ta, (u8) rx_pkt_type, skb);

	if (ret || (rx_pkt_type == PKT_TYPE_BAR))
		dev_kfree_skb_any(skb);

	if (ret)
		priv->stats.rx_dropped++;

	return ret;
}
Commit	Line	Data
5e6e3a92 BZ	1	/*
	2	* Marvell Wireless LAN device driver: station RX data handling
	3	*
65da33f5	4	* Copyright (C) 2011-2014, Marvell International Ltd.
5e6e3a92 BZ	5	*
	6	* This software file (the "File") is distributed by Marvell International
	7	* Ltd. under the terms of the GNU General Public License Version 2, June 1991
	8	* (the "License"). You may use, redistribute and/or modify this File in
	9	* accordance with the terms and conditions of the License, a copy of which
	10	* is available by writing to the Free Software Foundation, Inc.,
	11	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the
	12	* worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
	13	*
	14	* THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE
	15	* IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE
	16	* ARE EXPRESSLY DISCLAIMED. The License provides additional details about
	17	* this warranty disclaimer.
	18	*/
	19
587b36d3 AP	20	#include <uapi/linux/ipv6.h>
587b36d3 AP	21	#include <net/ndisc.h>
5e6e3a92 BZ	22	#include "decl.h"
	23	#include "ioctl.h"
	24	#include "util.h"
	25	#include "fw.h"
	26	#include "main.h"
	27	#include "11n_aggr.h"
	28	#include "11n_rxreorder.h"
	29
587b36d3 AP	30	/* This function checks if a frame is IPv4 ARP or IPv6 Neighbour advertisement
	31	* frame. If frame has both source and destination mac address as same, this
	32	* function drops such gratuitous frames.
	33	*/
	34	static bool
	35	mwifiex_discard_gratuitous_arp(struct mwifiex_private *priv,
	36	struct sk_buff *skb)
	37	{
	38	const struct mwifiex_arp_eth_header *arp;
f8eb5ee5	39	struct ethhdr *eth;
587b36d3 AP	40	struct ipv6hdr *ipv6;
	41	struct icmp6hdr *icmpv6;
	42
f8eb5ee5 BZ	43	eth = (struct ethhdr *)skb->data;
f8eb5ee5 BZ	44	switch (ntohs(eth->h_proto)) {
587b36d3 AP	45	case ETH_P_ARP:
	46	arp = (void *)(skb->data + sizeof(struct ethhdr));
	47	if (arp->hdr.ar_op == htons(ARPOP_REPLY) \|\|
	48	arp->hdr.ar_op == htons(ARPOP_REQUEST)) {
	49	if (!memcmp(arp->ar_sip, arp->ar_tip, 4))
	50	return true;
	51	}
	52	break;
	53	case ETH_P_IPV6:
	54	ipv6 = (void *)(skb->data + sizeof(struct ethhdr));
	55	icmpv6 = (void *)(skb->data + sizeof(struct ethhdr) +
	56	sizeof(struct ipv6hdr));
	57	if (NDISC_NEIGHBOUR_ADVERTISEMENT == icmpv6->icmp6_type) {
	58	if (!memcmp(&ipv6->saddr, &ipv6->daddr,
	59	sizeof(struct in6_addr)))
	60	return true;
	61	}
	62	break;
	63	default:
	64	break;
	65	}
	66
	67	return false;
	68	}
	69
5e6e3a92 BZ	70	/*
	71	* This function processes the received packet and forwards it
	72	* to kernel/upper layer.
	73	*
	74	* This function parses through the received packet and determines
	75	* if it is a debug packet or normal packet.
	76	*
	77	* For non-debug packets, the function chops off unnecessary leading
	78	* header bytes, reconstructs the packet as an ethernet frame or
	79	* 802.2/llc/snap frame as required, and sends it to kernel/upper layer.
	80	*
	81	* The completion callback is called after processing in complete.
	82	*/
f3b369e4	83	int mwifiex_process_rx_packet(struct mwifiex_private *priv,
5e6e3a92 BZ	84	struct sk_buff *skb)
5e6e3a92 BZ	85	{
270e58e8	86	int ret;
5e6e3a92 BZ	87	struct rx_packet_hdr *rx_pkt_hdr;
	88	struct rxpd *local_rx_pd;
	89	int hdr_chop;
f8eb5ee5	90	struct ethhdr *eth;
5f2caaf3 AP	91	u16 rx_pkt_off, rx_pkt_len;
5f2caaf3 AP	92	u8 *offset;
cbf6e055	93	u8 adj_rx_rate = 0;
5e6e3a92 BZ	94
	95	local_rx_pd = (struct rxpd *) (skb->data);
	96
5f2caaf3 AP	97	rx_pkt_off = le16_to_cpu(local_rx_pd->rx_pkt_offset);
	98	rx_pkt_len = le16_to_cpu(local_rx_pd->rx_pkt_length);
	99	rx_pkt_hdr = (void *)local_rx_pd + rx_pkt_off;
5e6e3a92	100
c613d16f AK	101	if ((!memcmp(&rx_pkt_hdr->rfc1042_hdr, bridge_tunnel_header,
	102	sizeof(bridge_tunnel_header))) \|\|
	103	(!memcmp(&rx_pkt_hdr->rfc1042_hdr, rfc1042_header,
	104	sizeof(rfc1042_header)) &&
	105	ntohs(rx_pkt_hdr->rfc1042_hdr.snap_type) != ETH_P_AARP &&
	106	ntohs(rx_pkt_hdr->rfc1042_hdr.snap_type) != ETH_P_IPX)) {
5e6e3a92 BZ	107	/*
	108	* Replace the 803 header and rfc1042 header (llc/snap) with an
	109	* EthernetII header, keep the src/dst and snap_type
	110	* (ethertype).
	111	* The firmware only passes up SNAP frames converting
	112	* all RX Data from 802.11 to 802.2/LLC/SNAP frames.
	113	* To create the Ethernet II, just move the src, dst address
	114	* right before the snap_type.
	115	*/
f8eb5ee5	116	eth = (struct ethhdr *)
5e6e3a92 BZ	117	((u8 *) &rx_pkt_hdr->eth803_hdr
	118	+ sizeof(rx_pkt_hdr->eth803_hdr) +
	119	sizeof(rx_pkt_hdr->rfc1042_hdr)
	120	- sizeof(rx_pkt_hdr->eth803_hdr.h_dest)
	121	- sizeof(rx_pkt_hdr->eth803_hdr.h_source)
	122	- sizeof(rx_pkt_hdr->rfc1042_hdr.snap_type));
	123
f8eb5ee5 BZ	124	memcpy(eth->h_source, rx_pkt_hdr->eth803_hdr.h_source,
	125	sizeof(eth->h_source));
	126	memcpy(eth->h_dest, rx_pkt_hdr->eth803_hdr.h_dest,
	127	sizeof(eth->h_dest));
5e6e3a92 BZ	128
	129	/* Chop off the rxpd + the excess memory from the 802.2/llc/snap
	130	header that was removed. */
f8eb5ee5	131	hdr_chop = (u8 ) eth - (u8 ) local_rx_pd;
5e6e3a92 BZ	132	} else {
	133	/* Chop off the rxpd */
	134	hdr_chop = (u8 *) &rx_pkt_hdr->eth803_hdr -
	135	(u8 *) local_rx_pd;
	136	}
	137
	138	/* Chop off the leading header bytes so the it points to the start of
	139	either the reconstructed EthII frame or the 802.2/llc/snap frame */
	140	skb_pull(skb, hdr_chop);
	141
587b36d3 AP	142	if (priv->hs2_enabled &&
587b36d3 AP	143	mwifiex_discard_gratuitous_arp(priv, skb)) {
acebe8c1	144	mwifiex_dbg(priv->adapter, INFO, "Bypassed Gratuitous ARP\n");
587b36d3 AP	145	dev_kfree_skb_any(skb);
	146	return 0;
	147	}
	148
5f2caaf3 AP	149	if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
	150	ntohs(rx_pkt_hdr->eth803_hdr.h_proto) == ETH_P_TDLS) {
	151	offset = (u8 *)local_rx_pd + rx_pkt_off;
	152	mwifiex_process_tdls_action_frame(priv, offset, rx_pkt_len);
	153	}
	154
5e6e3a92 BZ	155	priv->rxpd_rate = local_rx_pd->rx_rate;
	156
	157	priv->rxpd_htinfo = local_rx_pd->ht_info;
	158
cbf6e055 XH	159	if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA \|\|
	160	GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) {
	161	adj_rx_rate = mwifiex_adjust_data_rate(priv, priv->rxpd_rate,
	162	priv->rxpd_htinfo);
	163	mwifiex_hist_data_add(priv, adj_rx_rate, local_rx_pd->snr,
	164	local_rx_pd->nf);
	165	}
	166
f3b369e4	167	ret = mwifiex_recv_packet(priv, skb);
5e6e3a92	168	if (ret == -1)
acebe8c1 ZL	169	mwifiex_dbg(priv->adapter, ERROR,
acebe8c1 ZL	170	"recv packet failed\n");
5e6e3a92 BZ	171
	172	return ret;
	173	}
	174
	175	/*
	176	* This function processes the received buffer.
	177	*
	178	* The function looks into the RxPD and performs sanity tests on the
	179	* received buffer to ensure its a valid packet, before processing it
	180	* further. If the packet is determined to be aggregated, it is
	181	* de-aggregated accordingly. Non-unicast packets are sent directly to
	182	* the kernel/upper layers. Unicast packets are handed over to the
	183	* Rx reordering routine if 11n is enabled.
	184	*
	185	* The completion callback is called after processing in complete.
	186	*/
f3b369e4	187	int mwifiex_process_sta_rx_packet(struct mwifiex_private *priv,
5e6e3a92 BZ	188	struct sk_buff *skb)
5e6e3a92 BZ	189	{
f3b369e4	190	struct mwifiex_adapter *adapter = priv->adapter;
5e6e3a92 BZ	191	int ret = 0;
5e6e3a92 BZ	192	struct rxpd *local_rx_pd;
5e6e3a92 BZ	193	struct rx_packet_hdr *rx_pkt_hdr;
5e6e3a92 BZ	194	u8 ta[ETH_ALEN];
ed1ea6f4	195	u16 rx_pkt_type, rx_pkt_offset, rx_pkt_length, seq_num;
09869495	196	struct mwifiex_sta_node *sta_ptr;
8ed13033	197
5e6e3a92	198	local_rx_pd = (struct rxpd *) (skb->data);
ed1ea6f4 AK	199	rx_pkt_type = le16_to_cpu(local_rx_pd->rx_pkt_type);
	200	rx_pkt_offset = le16_to_cpu(local_rx_pd->rx_pkt_offset);
	201	rx_pkt_length = le16_to_cpu(local_rx_pd->rx_pkt_length);
	202	seq_num = le16_to_cpu(local_rx_pd->seq_num);
5e6e3a92	203
ed1ea6f4	204	rx_pkt_hdr = (void *)local_rx_pd + rx_pkt_offset;
5e6e3a92	205
ed1ea6f4	206	if ((rx_pkt_offset + rx_pkt_length) > (u16) skb->len) {
acebe8c1 ZL	207	mwifiex_dbg(adapter, ERROR,
	208	"wrong rx packet: len=%d, rx_pkt_offset=%d, rx_pkt_length=%d\n",
	209	skb->len, rx_pkt_offset, rx_pkt_length);
5e6e3a92	210	priv->stats.rx_dropped++;
ca8d6dfc	211	dev_kfree_skb_any(skb);
5e6e3a92 BZ	212	return ret;
5e6e3a92 BZ	213	}
3b8ab88a	214
4c9f9fb2	215	if (rx_pkt_type == PKT_TYPE_MGMT) {
f3b369e4	216	ret = mwifiex_process_mgmt_packet(priv, skb);
2dbaf751	217	if (ret)
bd642acf	218	mwifiex_dbg(adapter, DATA, "Rx of mgmt packet failed");
2dbaf751 SP	219	dev_kfree_skb_any(skb);
2dbaf751 SP	220	return ret;
5e6e3a92	221	}
3b8ab88a	222
5e6e3a92 BZ	223	/*
	224	* If the packet is not an unicast packet then send the packet
	225	* directly to os. Don't pass thru rx reordering
	226	*/
09869495 AP	227	if ((!IS_11N_ENABLED(priv) &&
	228	!(ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
	229	!(local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET))) \|\|
fcad7668	230	!ether_addr_equal_unaligned(priv->curr_addr, rx_pkt_hdr->eth803_hdr.h_dest)) {
f3b369e4	231	mwifiex_process_rx_packet(priv, skb);
5e6e3a92 BZ	232	return ret;
	233	}
	234
09869495 AP	235	if (mwifiex_queuing_ra_based(priv) \|\|
	236	(ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) &&
	237	local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET)) {
5e6e3a92	238	memcpy(ta, rx_pkt_hdr->eth803_hdr.h_source, ETH_ALEN);
09869495 AP	239	if (local_rx_pd->flags & MWIFIEX_RXPD_FLAGS_TDLS_PACKET &&
	240	local_rx_pd->priority < MAX_NUM_TID) {
	241	sta_ptr = mwifiex_get_sta_entry(priv, ta);
	242	if (sta_ptr)
	243	sta_ptr->rx_seq[local_rx_pd->priority] =
	244	le16_to_cpu(local_rx_pd->seq_num);
9927baa3 AP	245	mwifiex_auto_tdls_update_peer_signal(priv, ta,
	246	local_rx_pd->snr,
	247	local_rx_pd->nf);
09869495	248	}
5e6e3a92 BZ	249	} else {
5e6e3a92 BZ	250	if (rx_pkt_type != PKT_TYPE_BAR)
ed1ea6f4	251	priv->rx_seq[local_rx_pd->priority] = seq_num;
5e6e3a92 BZ	252	memcpy(ta, priv->curr_bss_params.bss_descriptor.mac_address,
	253	ETH_ALEN);
	254	}
	255
	256	/* Reorder and send to OS */
ed1ea6f4 AK	257	ret = mwifiex_11n_rx_reorder_pkt(priv, seq_num, local_rx_pd->priority,
ed1ea6f4 AK	258	ta, (u8) rx_pkt_type, skb);
5e6e3a92	259
ca8d6dfc UR	260	if (ret \|\| (rx_pkt_type == PKT_TYPE_BAR))
ca8d6dfc UR	261	dev_kfree_skb_any(skb);
8ed13033 YAP	262
	263	if (ret)
	264	priv->stats.rx_dropped++;
5e6e3a92 BZ	265
	266	return ret;
	267	}