Merge branch 'for-john' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next

43 files changed, 497 insertions, 158 deletions

diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index cdd1923..2fd5bab 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -1349,7 +1349,7 @@ ath5k_receive_frame(struct ath5k_hw *ah, struct sk_buff *skb,
 	 * right now, so it's not too bad...
 	 */
 	rxs->mactime = ath5k_extend_tsf(ah, rs->rs_tstamp);
-	rxs->flag |= RX_FLAG_MACTIME_MPDU;
+	rxs->flag |= RX_FLAG_MACTIME_START;
 
 	rxs->freq = ah->curchan->center_freq;
 	rxs->band = ah->curchan->band;
diff --git a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
index 3a22d17..28cd50e 100644
--- a/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
+++ b/drivers/net/wireless/ath/ath9k/htc_drv_txrx.c
@@ -1082,7 +1082,7 @@ static bool ath9k_rx_prepare(struct ath9k_htc_priv *priv,
 	rx_status->freq = hw->conf.channel->center_freq;
 	rx_status->signal =  rxbuf->rxstatus.rs_rssi + ATH_DEFAULT_NOISE_FLOOR;
 	rx_status->antenna = rxbuf->rxstatus.rs_antenna;
-	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status->flag |= RX_FLAG_MACTIME_START;
 
 	return true;
 
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index a04028b..6aafbb7 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -976,7 +976,7 @@ static int ath9k_rx_skb_preprocess(struct ath_common *common,
 	rx_status->freq = hw->conf.channel->center_freq;
 	rx_status->signal = ah->noise + rx_stats->rs_rssi;
 	rx_status->antenna = rx_stats->rs_antenna;
-	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status->flag |= RX_FLAG_MACTIME_START;
 	if (rx_stats->rs_moreaggr)
 		rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
 
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 136510e..8cb206a 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -796,7 +796,7 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 		status.mactime += mactime;
 		if (low_mactime_now <= mactime)
 			status.mactime -= 0x10000;
-		status.flag |= RX_FLAG_MACTIME_MPDU;
+		status.flag |= RX_FLAG_MACTIME_START;
 	}
 
 	chanid = (chanstat & B43_RX_CHAN_ID) >> B43_RX_CHAN_ID_SHIFT;
diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c
index b8ffea6..849a28c 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -557,7 +557,7 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 		status.mactime += mactime;
 		if (low_mactime_now <= mactime)
 			status.mactime -= 0x10000;
-		status.flag |= RX_FLAG_MACTIME_MPDU;
+		status.flag |= RX_FLAG_MACTIME_START;
 	}
 
 	chanid = (chanstat & B43legacy_RX_CHAN_ID) >>
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
index c21cee3..2a44593 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
@@ -7084,7 +7084,7 @@ prep_mac80211_status(struct brcms_c_info *wlc, struct d11rxhdr *rxh,
 
 	/* fill in TSF and flag its presence */
 	rx_status->mactime = brcms_c_recover_tsf64(wlc, rxh);
-	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status->flag |= RX_FLAG_MACTIME_START;
 
 	channel = BRCMS_CHAN_CHANNEL(rxh->RxChan);
 
diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c
index eac4dc8..ef68b72 100644
--- a/drivers/net/wireless/iwlegacy/4965-mac.c
+++ b/drivers/net/wireless/iwlegacy/4965-mac.c
@@ -686,7 +686,7 @@ il4965_hdl_rx(struct il_priv *il, struct il_rx_buf *rxb)
 
 	/* TSF isn't reliable. In order to allow smooth user experience,
 	 * this W/A doesn't propagate it to the mac80211 */
-	/*rx_status.flag |= RX_FLAG_MACTIME_MPDU; */
+	/*rx_status.flag |= RX_FLAG_MACTIME_START; */
 
 	il->ucode_beacon_time = le32_to_cpu(phy_res->beacon_time_stamp);
 
diff --git a/drivers/net/wireless/iwlwifi/dvm/mac80211.c b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
index c862c09..932ad35 100644
--- a/drivers/net/wireless/iwlwifi/dvm/mac80211.c
+++ b/drivers/net/wireless/iwlwifi/dvm/mac80211.c
@@ -1035,6 +1035,7 @@ done:
 }
 
 static int iwlagn_mac_remain_on_channel(struct ieee80211_hw *hw,
+				     struct ieee80211_vif *vif,
 				     struct ieee80211_channel *channel,
 				     enum nl80211_channel_type channel_type,
 				     int duration)
diff --git a/drivers/net/wireless/iwlwifi/dvm/rx.c b/drivers/net/wireless/iwlwifi/dvm/rx.c
index 9a8d502..f95b96c 100644
--- a/drivers/net/wireless/iwlwifi/dvm/rx.c
+++ b/drivers/net/wireless/iwlwifi/dvm/rx.c
@@ -949,7 +949,7 @@ static int iwlagn_rx_reply_rx(struct iwl_priv *priv,
 
 	/* TSF isn't reliable. In order to allow smooth user experience,
 	 * this W/A doesn't propagate it to the mac80211 */
-	/*rx_status.flag |= RX_FLAG_MACTIME_MPDU;*/
+	/*rx_status.flag |= RX_FLAG_MACTIME_START;*/
 
 	priv->ucode_beacon_time = le32_to_cpu(phy_res->beacon_time_stamp);
 
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index a8ec708..3baa51f 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -699,7 +699,7 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
 	struct ieee80211_rate *txrate = ieee80211_get_tx_rate(hw, info);
 
 	memset(&rx_status, 0, sizeof(rx_status));
-	rx_status.flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status.flag |= RX_FLAG_MACTIME_START;
 	rx_status.freq = chan->center_freq;
 	rx_status.band = chan->band;
 	rx_status.rate_idx = info->control.rates[0].idx;
@@ -751,7 +751,11 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
 				continue;
 		}
 
-		nskb = skb_copy(skb, GFP_ATOMIC);
+		/*
+		 * reserve some space for our vendor and the normal
+		 * radiotap header, since we're copying anyway
+		 */
+		nskb = skb_copy_expand(skb, 64, 0, GFP_ATOMIC);
 		if (nskb == NULL)
 			continue;
 
@@ -769,6 +773,33 @@ static bool mac80211_hwsim_tx_frame_no_nl(struct ieee80211_hw *hw,
 				(data->tsf_offset - data2->tsf_offset) +
 				24 * 8 * 10 / txrate->bitrate);
 
+#if 0
+		/*
+		 * Don't enable this code by default as the OUI 00:00:00
+		 * is registered to Xerox so we shouldn't use it here, it
+		 * might find its way into pcap files.
+		 * Note that this code requires the headroom in the SKB
+		 * that was allocated earlier.
+		 */
+		rx_status.vendor_radiotap_oui[0] = 0x00;
+		rx_status.vendor_radiotap_oui[1] = 0x00;
+		rx_status.vendor_radiotap_oui[2] = 0x00;
+		rx_status.vendor_radiotap_subns = 127;
+		/*
+		 * Radiotap vendor namespaces can (and should) also be
+		 * split into fields by using the standard radiotap
+		 * presence bitmap mechanism. Use just BIT(0) here for
+		 * the presence bitmap.
+		 */
+		rx_status.vendor_radiotap_bitmap = BIT(0);
+		/* We have 8 bytes of (dummy) data */
+		rx_status.vendor_radiotap_len = 8;
+		/* For testing, also require it to be aligned */
+		rx_status.vendor_radiotap_align = 8;
+		/* push the data */
+		memcpy(skb_push(nskb, 8), "ABCDEFGH", 8);
+#endif
+
 		memcpy(IEEE80211_SKB_RXCB(nskb), &rx_status, sizeof(rx_status));
 		ieee80211_rx_irqsafe(data2->hw, nskb);
 	}
@@ -1422,6 +1453,7 @@ static void hw_roc_done(struct work_struct *work)
 }
 
 static int mac80211_hwsim_roc(struct ieee80211_hw *hw,
+			      struct ieee80211_vif *vif,
 			      struct ieee80211_channel *chan,
 			      enum nl80211_channel_type channel_type,
 			      int duration)
diff --git a/drivers/net/wireless/p54/txrx.c b/drivers/net/wireless/p54/txrx.c
index 5861e13..8ae982b 100644
--- a/drivers/net/wireless/p54/txrx.c
+++ b/drivers/net/wireless/p54/txrx.c
@@ -369,7 +369,7 @@ static int p54_rx_data(struct p54_common *priv, struct sk_buff *skb)
 	rx_status->mactime = ((u64)priv->tsf_high32) << 32 | tsf32;
 	priv->tsf_low32 = tsf32;
 
-	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status->flag |= RX_FLAG_MACTIME_START;
 
 	if (hdr->flags & cpu_to_le16(P54_HDR_FLAG_DATA_ALIGN))
 		header_len += hdr->align[0];
diff --git a/drivers/net/wireless/rtl818x/rtl8180/dev.c b/drivers/net/wireless/rtl818x/rtl8180/dev.c
index 021d83e..b4218a5 100644
--- a/drivers/net/wireless/rtl818x/rtl8180/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8180/dev.c
@@ -150,7 +150,7 @@ static void rtl8180_handle_rx(struct ieee80211_hw *dev)
 			rx_status.freq = dev->conf.channel->center_freq;
 			rx_status.band = dev->conf.channel->band;
 			rx_status.mactime = le64_to_cpu(entry->tsft);
-			rx_status.flag |= RX_FLAG_MACTIME_MPDU;
+			rx_status.flag |= RX_FLAG_MACTIME_START;
 			if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
 				rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
 
diff --git a/drivers/net/wireless/rtl818x/rtl8187/dev.c b/drivers/net/wireless/rtl818x/rtl8187/dev.c
index 7811b63..52e6beb 100644
--- a/drivers/net/wireless/rtl818x/rtl8187/dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187/dev.c
@@ -381,7 +381,7 @@ static void rtl8187_rx_cb(struct urb *urb)
 	rx_status.rate_idx = rate;
 	rx_status.freq = dev->conf.channel->center_freq;
 	rx_status.band = dev->conf.channel->band;
-	rx_status.flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status.flag |= RX_FLAG_MACTIME_START;
 	if (flags & RTL818X_RX_DESC_FLAG_CRC32_ERR)
 		rx_status.flag |= RX_FLAG_FAILED_FCS_CRC;
 	memcpy(IEEE80211_SKB_RXCB(skb), &rx_status, sizeof(rx_status));
diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
index d7e1f0a..1734247 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192ce/trx.c
@@ -559,7 +559,7 @@ bool rtl92ce_rx_query_desc(struct ieee80211_hw *hw,
 	if (GET_RX_DESC_RXHT(pdesc))
 		rx_status->flag |= RX_FLAG_HT;
 
-	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status->flag |= RX_FLAG_MACTIME_START;
 
 	if (stats->decrypted)
 		rx_status->flag |= RX_FLAG_DECRYPTED;
diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
index 6e66f04..b6222ee 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c
@@ -334,7 +334,7 @@ bool rtl92cu_rx_query_desc(struct ieee80211_hw *hw,
 		rx_status->flag |= RX_FLAG_40MHZ;
 	if (GET_RX_DESC_RX_HT(pdesc))
 		rx_status->flag |= RX_FLAG_HT;
-	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status->flag |= RX_FLAG_MACTIME_START;
 	if (stats->decrypted)
 		rx_status->flag |= RX_FLAG_DECRYPTED;
 	rx_status->rate_idx = rtlwifi_rate_mapping(hw,
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
index 35bb9da..f9f3861 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/trx.c
@@ -509,7 +509,7 @@ bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,	struct rtl_stats *stats,
 		rx_status->flag |= RX_FLAG_40MHZ;
 	if (GET_RX_DESC_RXHT(pdesc))
 		rx_status->flag |= RX_FLAG_HT;
-	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status->flag |= RX_FLAG_MACTIME_START;
 	if (stats->decrypted)
 		rx_status->flag |= RX_FLAG_DECRYPTED;
 	rx_status->rate_idx = rtlwifi_rate_mapping(hw,
diff --git a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
index 1ad51e7..0e9f6eb 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192se/trx.c
@@ -553,7 +553,7 @@ bool rtl92se_rx_query_desc(struct ieee80211_hw *hw, struct rtl_stats *stats,
 	if (stats->is_ht)
 		rx_status->flag |= RX_FLAG_HT;
 
-	rx_status->flag |= RX_FLAG_MACTIME_MPDU;
+	rx_status->flag |= RX_FLAG_MACTIME_START;
 
 	/* hw will set stats->decrypted true, if it finds the
 	 * frame is open data frame or mgmt frame,
diff --git a/drivers/net/wireless/ti/wl1251/rx.c b/drivers/net/wireless/ti/wl1251/rx.c
index 6af3526..23289d4 100644
--- a/drivers/net/wireless/ti/wl1251/rx.c
+++ b/drivers/net/wireless/ti/wl1251/rx.c
@@ -81,7 +81,7 @@ static void wl1251_rx_status(struct wl1251 *wl,
 	status->freq = ieee80211_channel_to_frequency(desc->channel,
 						      status->band);
 
-	status->flag |= RX_FLAG_MACTIME_MPDU;
+	status->flag |= RX_FLAG_MACTIME_START;
 
 	if (desc->flags & RX_DESC_ENCRYPTION_MASK) {
 		status->flag |= RX_FLAG_IV_STRIPPED | RX_FLAG_MMIC_STRIPPED;
diff --git a/include/linux/ieee80211.h b/include/linux/ieee80211.h
index 4530d49..d687909 100644
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@@ -131,6 +131,8 @@
 
 #define IEEE80211_MAX_MESH_ID_LEN	32
 
+#define IEEE80211_NUM_TIDS		16
+
 #define IEEE80211_QOS_CTL_LEN		2
 /* 1d tag mask */
 #define IEEE80211_QOS_CTL_TAG1D_MASK		0x0007
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 81d7250..8a1aec5 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3594,6 +3594,25 @@ void cfg80211_ch_switch_notify(struct net_device *dev, int freq,
 			       enum nl80211_channel_type type);
 
 /*
+ * cfg80211_tdls_oper_request - request userspace to perform TDLS operation
+ * @dev: the device on which the operation is requested
+ * @peer: the MAC address of the peer device
+ * @oper: the requested TDLS operation (NL80211_TDLS_SETUP or
+ *	NL80211_TDLS_TEARDOWN)
+ * @reason_code: the reason code for teardown request
+ * @gfp: allocation flags
+ *
+ * This function is used to request userspace to perform TDLS operation that
+ * requires knowledge of keys, i.e., link setup or teardown when the AP
+ * connection uses encryption. This is optional mechanism for the driver to use
+ * if it can automatically determine when a TDLS link could be useful (e.g.,
+ * based on traffic and signal strength for a peer).
+ */
+void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
+				enum nl80211_tdls_operation oper,
+				u16 reason_code, gfp_t gfp);
+
+/*
  * cfg80211_calculate_bitrate - calculate actual bitrate (in 100Kbps units)
  * @rate: given rate_info to calculate bitrate from
  *
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index a789dd1..e1293c7 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -711,10 +711,13 @@ ieee80211_tx_info_clear_status(struct ieee80211_tx_info *info)
  *	the frame.
  * @RX_FLAG_FAILED_PLCP_CRC: Set this flag if the PCLP check failed on
  *	the frame.
- * @RX_FLAG_MACTIME_MPDU: The timestamp passed in the RX status (@mactime
+ * @RX_FLAG_MACTIME_START: The timestamp passed in the RX status (@mactime
  *	field) is valid and contains the time the first symbol of the MPDU
  *	was received. This is useful in monitor mode and for proper IBSS
  *	merging.
+ * @RX_FLAG_MACTIME_END: The timestamp passed in the RX status (@mactime
+ *	field) is valid and contains the time the last symbol of the MPDU
+ *	(including FCS) was received.
  * @RX_FLAG_SHORTPRE: Short preamble was used for this frame
  * @RX_FLAG_HT: HT MCS was used and rate_idx is MCS index
  * @RX_FLAG_40MHZ: HT40 (40 MHz) was used
@@ -745,7 +748,7 @@ enum mac80211_rx_flags {
 	RX_FLAG_IV_STRIPPED		= BIT(4),
 	RX_FLAG_FAILED_FCS_CRC		= BIT(5),
 	RX_FLAG_FAILED_PLCP_CRC 	= BIT(6),
-	RX_FLAG_MACTIME_MPDU		= BIT(7),
+	RX_FLAG_MACTIME_START		= BIT(7),
 	RX_FLAG_SHORTPRE		= BIT(8),
 	RX_FLAG_HT			= BIT(9),
 	RX_FLAG_40MHZ			= BIT(10),
@@ -759,6 +762,7 @@ enum mac80211_rx_flags {
 	RX_FLAG_AMPDU_IS_LAST		= BIT(18),
 	RX_FLAG_AMPDU_DELIM_CRC_ERROR	= BIT(19),
 	RX_FLAG_AMPDU_DELIM_CRC_KNOWN	= BIT(20),
+	RX_FLAG_MACTIME_END		= BIT(21),
 };
 
 /**
@@ -785,12 +789,21 @@ enum mac80211_rx_flags {
  * @ampdu_reference: A-MPDU reference number, must be a different value for
  *	each A-MPDU but the same for each subframe within one A-MPDU
  * @ampdu_delimiter_crc: A-MPDU delimiter CRC
+ * @vendor_radiotap_bitmap: radiotap vendor namespace presence bitmap
+ * @vendor_radiotap_len: radiotap vendor namespace length
+ * @vendor_radiotap_align: radiotap vendor namespace alignment. Note
+ *	that the actual data must be at the start of the SKB data
+ *	already.
+ * @vendor_radiotap_oui: radiotap vendor namespace OUI
+ * @vendor_radiotap_subns: radiotap vendor sub namespace
  */
 struct ieee80211_rx_status {
 	u64 mactime;
 	u32 device_timestamp;
 	u32 ampdu_reference;
 	u32 flag;
+	u32 vendor_radiotap_bitmap;
+	u16 vendor_radiotap_len;
 	u16 freq;
 	u8 rate_idx;
 	u8 rx_flags;
@@ -798,6 +811,9 @@ struct ieee80211_rx_status {
 	u8 antenna;
 	s8 signal;
 	u8 ampdu_delimiter_crc;
+	u8 vendor_radiotap_align;
+	u8 vendor_radiotap_oui[3];
+	u8 vendor_radiotap_subns;
 };
 
 /**
@@ -2192,6 +2208,14 @@ enum ieee80211_rate_control_changed {
  * @sta_remove: Notifies low level driver about removal of an associated
  *	station, AP, IBSS/WDS/mesh peer etc. This callback can sleep.
  *
+ * @sta_add_debugfs: Drivers can use this callback to add debugfs files
+ *	when a station is added to mac80211's station list. This callback
+ *	and @sta_remove_debugfs should be within a CONFIG_MAC80211_DEBUGFS
+ *	conditional. This callback can sleep.
+ *
+ * @sta_remove_debugfs: Remove the debugfs files which were added using
+ *	@sta_add_debugfs. This callback can sleep.
+ *
  * @sta_notify: Notifies low level driver about power state transition of an
  *	associated station, AP,  IBSS/WDS/mesh peer etc. For a VIF operating
  *	in AP mode, this callback will not be called when the flag
@@ -2473,6 +2497,16 @@ struct ieee80211_ops {
 		       struct ieee80211_sta *sta);
 	int (*sta_remove)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			  struct ieee80211_sta *sta);
+#ifdef CONFIG_MAC80211_DEBUGFS
+	void (*sta_add_debugfs)(struct ieee80211_hw *hw,
+				struct ieee80211_vif *vif,
+				struct ieee80211_sta *sta,
+				struct dentry *dir);
+	void (*sta_remove_debugfs)(struct ieee80211_hw *hw,
+				   struct ieee80211_vif *vif,
+				   struct ieee80211_sta *sta,
+				   struct dentry *dir);
+#endif
 	void (*sta_notify)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 			enum sta_notify_cmd, struct ieee80211_sta *sta);
 	int (*sta_state)(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
@@ -2514,6 +2548,7 @@ struct ieee80211_ops {
 	int (*get_antenna)(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant);
 
 	int (*remain_on_channel)(struct ieee80211_hw *hw,
+				 struct ieee80211_vif *vif,
 				 struct ieee80211_channel *chan,
 				 enum nl80211_channel_type channel_type,
 				 int duration);
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index cbd2d6b..1a9a819 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -526,6 +526,12 @@
  *	of PMKSA caching dandidates.
  *
  * @NL80211_CMD_TDLS_OPER: Perform a high-level TDLS command (e.g. link setup).
+ *	In addition, this can be used as an event to request userspace to take
+ *	actions on TDLS links (set up a new link or tear down an existing one).
+ *	In such events, %NL80211_ATTR_TDLS_OPERATION indicates the requested
+ *	operation, %NL80211_ATTR_MAC contains the peer MAC address, and
+ *	%NL80211_ATTR_REASON_CODE the reason code to be used (only with
+ *	%NL80211_TDLS_TEARDOWN).
  * @NL80211_CMD_TDLS_MGMT: Send a TDLS management frame.
  *
  * @NL80211_CMD_UNEXPECTED_FRAME: Used by an application controlling an AP
@@ -3057,6 +3063,9 @@ enum nl80211_ap_sme_features {
  * @NL80211_FEATURE_SCAN_FLUSH: Scan flush is supported
  * @NL80211_FEATURE_AP_SCAN: Support scanning using an AP vif
  * @NL80211_FEATURE_VIF_TXPOWER: The driver supports per-vif TX power setting
+ * @NL80211_FEATURE_NEED_OBSS_SCAN: The driver expects userspace to perform
+ *	OBSS scans and generate 20/40 BSS coex reports. This flag is used only
+ *	for drivers implementing the CONNECT API, for AUTH/ASSOC it is implied.
  */
 enum nl80211_feature_flags {
 	NL80211_FEATURE_SK_TX_STATUS			= 1 << 0,
@@ -3069,6 +3078,7 @@ enum nl80211_feature_flags {
 	NL80211_FEATURE_SCAN_FLUSH			= 1 << 7,
 	NL80211_FEATURE_AP_SCAN				= 1 << 8,
 	NL80211_FEATURE_VIF_TXPOWER			= 1 << 9,
+	NL80211_FEATURE_NEED_OBSS_SCAN			= 1 << 10,
 };
 
 /**
diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c
index 186d991..808338a 100644
--- a/net/mac80211/agg-rx.c
+++ b/net/mac80211/agg-rx.c
@@ -118,7 +118,7 @@ void ieee80211_stop_rx_ba_session(struct ieee80211_vif *vif, u16 ba_rx_bitmap,
 		return;
 	}
 
-	for (i = 0; i < STA_TID_NUM; i++)
+	for (i = 0; i < IEEE80211_NUM_TIDS; i++)
 		if (ba_rx_bitmap & BIT(i))
 			set_bit(i, sta->ampdu_mlme.tid_rx_stop_requested);
 
diff --git a/net/mac80211/agg-tx.c b/net/mac80211/agg-tx.c
index 3195a63..4152ed1 100644
--- a/net/mac80211/agg-tx.c
+++ b/net/mac80211/agg-tx.c
@@ -448,7 +448,7 @@ int ieee80211_start_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid,
 	if (WARN_ON(!local->ops->ampdu_action))
 		return -EINVAL;
 
-	if ((tid >= STA_TID_NUM) ||
+	if ((tid >= IEEE80211_NUM_TIDS) ||
 	    !(local->hw.flags & IEEE80211_HW_AMPDU_AGGREGATION) ||
 	    (local->hw.flags & IEEE80211_HW_TX_AMPDU_SETUP_IN_HW))
 		return -EINVAL;
@@ -605,9 +605,9 @@ void ieee80211_start_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u16 tid)
 
 	trace_api_start_tx_ba_cb(sdata, ra, tid);
 
-	if (tid >= STA_TID_NUM) {
+	if (tid >= IEEE80211_NUM_TIDS) {
 		ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n",
-		       tid, STA_TID_NUM);
+		       tid, IEEE80211_NUM_TIDS);
 		return;
 	}
 
@@ -687,7 +687,7 @@ int ieee80211_stop_tx_ba_session(struct ieee80211_sta *pubsta, u16 tid)
 	if (!local->ops->ampdu_action)
 		return -EINVAL;
 
-	if (tid >= STA_TID_NUM)
+	if (tid >= IEEE80211_NUM_TIDS)
 		return -EINVAL;
 
 	spin_lock_bh(&sta->lock);
@@ -722,9 +722,9 @@ void ieee80211_stop_tx_ba_cb(struct ieee80211_vif *vif, u8 *ra, u8 tid)
 
 	trace_api_stop_tx_ba_cb(sdata, ra, tid);
 
-	if (tid >= STA_TID_NUM) {
+	if (tid >= IEEE80211_NUM_TIDS) {
 		ht_dbg(sdata, "Bad TID value: tid = %d (>= %d)\n",
-		       tid, STA_TID_NUM);
+		       tid, IEEE80211_NUM_TIDS);
 		return;
 	}
 
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index c46d4ee..6733b374 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2287,7 +2287,8 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
 	if (!duration)
 		duration = 10;
 
-	ret = drv_remain_on_channel(local, channel, channel_type, duration);
+	ret = drv_remain_on_channel(local, sdata, channel, channel_type,
+				    duration);
 	if (ret) {
 		kfree(roc);
 		return ret;
@@ -2298,7 +2299,8 @@ static int ieee80211_start_roc_work(struct ieee80211_local *local,
 
  out_check_combine:
 	list_for_each_entry(tmp, &local->roc_list, list) {
-		if (tmp->chan != channel || tmp->chan_type != channel_type)
+		if (tmp->chan != channel || tmp->chan_type != channel_type ||
+		    tmp->sdata != sdata)
 			continue;
 
 		/*
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 090d08f..2d42354 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -116,7 +116,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
 				size_t count, loff_t *ppos)
 {
 	struct ieee80211_key *key = file->private_data;
-	char buf[14*NUM_RX_DATA_QUEUES+1], *p = buf;
+	char buf[14*IEEE80211_NUM_TIDS+1], *p = buf;
 	int i, len;
 	const u8 *rpn;
 
@@ -126,7 +126,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
 		len = scnprintf(buf, sizeof(buf), "\n");
 		break;
 	case WLAN_CIPHER_SUITE_TKIP:
-		for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+		for (i = 0; i < IEEE80211_NUM_TIDS; i++)
 			p += scnprintf(p, sizeof(buf)+buf-p,
 				       "%08x %04x\n",
 				       key->u.tkip.rx[i].iv32,
@@ -134,7 +134,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
 		len = p - buf;
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
-		for (i = 0; i < NUM_RX_DATA_QUEUES + 1; i++) {
+		for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++) {
 			rpn = key->u.ccmp.rx_pn[i];
 			p += scnprintf(p, sizeof(buf)+buf-p,
 				       "%02x%02x%02x%02x%02x%02x\n",
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 5ccec2c..89281d2 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -14,6 +14,7 @@
 #include "debugfs.h"
 #include "debugfs_sta.h"
 #include "sta_info.h"
+#include "driver-ops.h"
 
 /* sta attributtes */
 
@@ -131,10 +132,10 @@ STA_OPS(connected_time);
 static ssize_t sta_last_seq_ctrl_read(struct file *file, char __user *userbuf,
 				      size_t count, loff_t *ppos)
 {
-	char buf[15*NUM_RX_DATA_QUEUES], *p = buf;
+	char buf[15*IEEE80211_NUM_TIDS], *p = buf;
 	int i;
 	struct sta_info *sta = file->private_data;
-	for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+	for (i = 0; i < IEEE80211_NUM_TIDS; i++)
 		p += scnprintf(p, sizeof(buf)+buf-p, "%x ",
 			       le16_to_cpu(sta->last_seq_ctrl[i]));
 	p += scnprintf(p, sizeof(buf)+buf-p, "\n");
@@ -145,7 +146,7 @@ STA_OPS(last_seq_ctrl);
 static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
 					size_t count, loff_t *ppos)
 {
-	char buf[71 + STA_TID_NUM * 40], *p = buf;
+	char buf[71 + IEEE80211_NUM_TIDS * 40], *p = buf;
 	int i;
 	struct sta_info *sta = file->private_data;
 	struct tid_ampdu_rx *tid_rx;
@@ -158,7 +159,7 @@ static ssize_t sta_agg_status_read(struct file *file, char __user *userbuf,
 	p += scnprintf(p, sizeof(buf) + buf - p,
 		       "TID\t\tRX active\tDTKN\tSSN\t\tTX\tDTKN\tpending\n");
 
-	for (i = 0; i < STA_TID_NUM; i++) {
+	for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
 		tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[i]);
 		tid_tx = rcu_dereference(sta->ampdu_mlme.tid_tx[i]);
 
@@ -220,7 +221,7 @@ static ssize_t sta_agg_status_write(struct file *file, const char __user *userbu
 
 	tid = simple_strtoul(buf, NULL, 0);
 
-	if (tid >= STA_TID_NUM)
+	if (tid >= IEEE80211_NUM_TIDS)
 		return -EINVAL;
 
 	if (tx) {
@@ -334,6 +335,8 @@ STA_OPS(ht_capa);
 
 void ieee80211_sta_debugfs_add(struct sta_info *sta)
 {
+	struct ieee80211_local *local = sta->local;
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
 	struct dentry *stations_dir = sta->sdata->debugfs.subdir_stations;
 	u8 mac[3*ETH_ALEN];
 
@@ -379,10 +382,16 @@ void ieee80211_sta_debugfs_add(struct sta_info *sta)
 	DEBUGFS_ADD_COUNTER(tx_retry_failed, tx_retry_failed);
 	DEBUGFS_ADD_COUNTER(tx_retry_count, tx_retry_count);
 	DEBUGFS_ADD_COUNTER(wep_weak_iv_count, wep_weak_iv_count);
+
+	drv_sta_add_debugfs(local, sdata, &sta->sta, sta->debugfs.dir);
 }
 
 void ieee80211_sta_debugfs_remove(struct sta_info *sta)
 {
+	struct ieee80211_local *local = sta->local;
+	struct ieee80211_sub_if_data *sdata = sta->sdata;
+
+	drv_sta_remove_debugfs(local, sdata, &sta->sta, sta->debugfs.dir);
 	debugfs_remove_recursive(sta->debugfs.dir);
 	sta->debugfs.dir = NULL;
 }
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 4dc2577..68c27aa 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -490,6 +490,38 @@ static inline void drv_sta_remove(struct ieee80211_local *local,
 	trace_drv_return_void(local);
 }
 
+#ifdef CONFIG_MAC80211_DEBUGFS
+static inline void drv_sta_add_debugfs(struct ieee80211_local *local,
+				       struct ieee80211_sub_if_data *sdata,
+				       struct ieee80211_sta *sta,
+				       struct dentry *dir)
+{
+	might_sleep();
+
+	sdata = get_bss_sdata(sdata);
+	check_sdata_in_driver(sdata);
+
+	if (local->ops->sta_add_debugfs)
+		local->ops->sta_add_debugfs(&local->hw, &sdata->vif,
+					    sta, dir);
+}
+
+static inline void drv_sta_remove_debugfs(struct ieee80211_local *local,
+					  struct ieee80211_sub_if_data *sdata,
+					  struct ieee80211_sta *sta,
+					  struct dentry *dir)
+{
+	might_sleep();
+
+	sdata = get_bss_sdata(sdata);
+	check_sdata_in_driver(sdata);
+
+	if (local->ops->sta_remove_debugfs)
+		local->ops->sta_remove_debugfs(&local->hw, &sdata->vif,
+					       sta, dir);
+}
+#endif
+
 static inline __must_check
 int drv_sta_state(struct ieee80211_local *local,
 		  struct ieee80211_sub_if_data *sdata,
@@ -704,6 +736,7 @@ static inline int drv_get_antenna(struct ieee80211_local *local,
 }
 
 static inline int drv_remain_on_channel(struct ieee80211_local *local,
+					struct ieee80211_sub_if_data *sdata,
 					struct ieee80211_channel *chan,
 					enum nl80211_channel_type chantype,
 					unsigned int duration)
@@ -712,9 +745,9 @@ static inline int drv_remain_on_channel(struct ieee80211_local *local,
 
 	might_sleep();
 
-	trace_drv_remain_on_channel(local, chan, chantype, duration);
-	ret = local->ops->remain_on_channel(&local->hw, chan, chantype,
-					    duration);
+	trace_drv_remain_on_channel(local, sdata, chan, chantype, duration);
+	ret = local->ops->remain_on_channel(&local->hw, &sdata->vif,
+					    chan, chantype, duration);
 	trace_drv_return_int(local, ret);
 
 	return ret;
diff --git a/net/mac80211/ht.c b/net/mac80211/ht.c
index 4b4538d..a71d891 100644
--- a/net/mac80211/ht.c
+++ b/net/mac80211/ht.c
@@ -185,7 +185,7 @@ void ieee80211_sta_tear_down_BA_sessions(struct sta_info *sta, bool tx)
 
 	cancel_work_sync(&sta->ampdu_mlme.work);
 
-	for (i = 0; i <  STA_TID_NUM; i++) {
+	for (i = 0; i <  IEEE80211_NUM_TIDS; i++) {
 		__ieee80211_stop_tx_ba_session(sta, i, WLAN_BACK_INITIATOR, tx);
 		__ieee80211_stop_rx_ba_session(sta, i, WLAN_BACK_RECIPIENT,
 					       WLAN_REASON_QSTA_LEAVE_QBSS, tx);
@@ -209,7 +209,7 @@ void ieee80211_ba_session_work(struct work_struct *work)
 		return;
 
 	mutex_lock(&sta->ampdu_mlme.mtx);
-	for (tid = 0; tid < STA_TID_NUM; tid++) {
+	for (tid = 0; tid < IEEE80211_NUM_TIDS; tid++) {
 		if (test_and_clear_bit(tid, sta->ampdu_mlme.tid_rx_timer_expired))
 			___ieee80211_stop_rx_ba_session(
 				sta, tid, WLAN_BACK_RECIPIENT,
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 67774b0..7aa02da 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -543,30 +543,11 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 	if (ether_addr_equal(cbss->bssid, sdata->u.ibss.bssid))
 		goto put_bss;
 
-	if (rx_status->flag & RX_FLAG_MACTIME_MPDU) {
-		/*
-		 * For correct IBSS merging we need mactime; since mactime is
-		 * defined as the time the first data symbol of the frame hits
-		 * the PHY, and the timestamp of the beacon is defined as "the
-		 * time that the data symbol containing the first bit of the
-		 * timestamp is transmitted to the PHY plus the transmitting
-		 * STA's delays through its local PHY from the MAC-PHY
-		 * interface to its interface with the WM" (802.11 11.1.2)
-		 * - equals the time this bit arrives at the receiver - we have
-		 * to take into account the offset between the two.
-		 *
-		 * E.g. at 1 MBit that means mactime is 192 usec earlier
-		 * (=24 bytes * 8 usecs/byte) than the beacon timestamp.
-		 */
-		int rate;
-
-		if (rx_status->flag & RX_FLAG_HT)
-			rate = 65; /* TODO: HT rates */
-		else
-			rate = local->hw.wiphy->bands[band]->
-				bitrates[rx_status->rate_idx].bitrate;
-
-		rx_timestamp = rx_status->mactime + (24 * 8 * 10 / rate);
+	if (ieee80211_have_rx_timestamp(rx_status)) {
+		/* time when timestamp field was received */
+		rx_timestamp =
+			ieee80211_calculate_rx_timestamp(local, rx_status,
+							 len + FCS_LEN, 24);
 	} else {
 		/*
 		 * second best option: get current TSF
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index 7474889..115117c 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1259,7 +1259,18 @@ static inline int ieee80211_bssid_match(const u8 *raddr, const u8 *addr)
 	       is_broadcast_ether_addr(raddr);
 }
 
+static inline bool
+ieee80211_have_rx_timestamp(struct ieee80211_rx_status *status)
+{
+	WARN_ON_ONCE(status->flag & RX_FLAG_MACTIME_START &&
+		     status->flag & RX_FLAG_MACTIME_END);
+	return status->flag & (RX_FLAG_MACTIME_START | RX_FLAG_MACTIME_END);
+}
 
+u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
+				     struct ieee80211_rx_status *status,
+				     unsigned int mpdu_len,
+				     unsigned int mpdu_offset);
 int ieee80211_hw_config(struct ieee80211_local *local, u32 changed);
 void ieee80211_tx_set_protected(struct ieee80211_tx_data *tx);
 void ieee80211_bss_info_change_notify(struct ieee80211_sub_if_data *sdata,
diff --git a/net/mac80211/key.c b/net/mac80211/key.c
index d27e61a..619c5d6 100644
--- a/net/mac80211/key.c
+++ b/net/mac80211/key.c
@@ -339,7 +339,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
 		key->conf.iv_len = TKIP_IV_LEN;
 		key->conf.icv_len = TKIP_ICV_LEN;
 		if (seq) {
-			for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
+			for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
 				key->u.tkip.rx[i].iv32 =
 					get_unaligned_le32(&seq[2]);
 				key->u.tkip.rx[i].iv16 =
@@ -352,7 +352,7 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
 		key->conf.iv_len = CCMP_HDR_LEN;
 		key->conf.icv_len = CCMP_MIC_LEN;
 		if (seq) {
-			for (i = 0; i < NUM_RX_DATA_QUEUES + 1; i++)
+			for (i = 0; i < IEEE80211_NUM_TIDS + 1; i++)
 				for (j = 0; j < CCMP_PN_LEN; j++)
 					key->u.ccmp.rx_pn[i][j] =
 						seq[CCMP_PN_LEN - j - 1];
@@ -372,8 +372,9 @@ struct ieee80211_key *ieee80211_key_alloc(u32 cipher, int idx, size_t key_len,
 		key->conf.iv_len = 0;
 		key->conf.icv_len = sizeof(struct ieee80211_mmie);
 		if (seq)
-			for (j = 0; j < 6; j++)
-				key->u.aes_cmac.rx_pn[j] = seq[6 - j - 1];
+			for (j = 0; j < CMAC_PN_LEN; j++)
+				key->u.aes_cmac.rx_pn[j] =
+					seq[CMAC_PN_LEN - j - 1];
 		/*
 		 * Initialize AES key state here as an optimization so that
 		 * it does not need to be initialized for every packet.
@@ -654,16 +655,16 @@ void ieee80211_get_key_rx_seq(struct ieee80211_key_conf *keyconf,
 
 	switch (key->conf.cipher) {
 	case WLAN_CIPHER_SUITE_TKIP:
-		if (WARN_ON(tid < 0 || tid >= NUM_RX_DATA_QUEUES))
+		if (WARN_ON(tid < 0 || tid >= IEEE80211_NUM_TIDS))
 			return;
 		seq->tkip.iv32 = key->u.tkip.rx[tid].iv32;
 		seq->tkip.iv16 = key->u.tkip.rx[tid].iv16;
 		break;
 	case WLAN_CIPHER_SUITE_CCMP:
-		if (WARN_ON(tid < -1 || tid >= NUM_RX_DATA_QUEUES))
+		if (WARN_ON(tid < -1 || tid >= IEEE80211_NUM_TIDS))
 			return;
 		if (tid < 0)
-			pn = key->u.ccmp.rx_pn[NUM_RX_DATA_QUEUES];
+			pn = key->u.ccmp.rx_pn[IEEE80211_NUM_TIDS];
 		else
 			pn = key->u.ccmp.rx_pn[tid];
 		memcpy(seq->ccmp.pn, pn, CCMP_PN_LEN);
diff --git a/net/mac80211/key.h b/net/mac80211/key.h
index 7d4e31f..7cff0d3 100644
--- a/net/mac80211/key.h
+++ b/net/mac80211/key.h
@@ -30,8 +30,6 @@
 #define TKIP_ICV_LEN		4
 #define CMAC_PN_LEN		6
 
-#define NUM_RX_DATA_QUEUES	16
-
 struct ieee80211_local;
 struct ieee80211_sub_if_data;
 struct sta_info;
@@ -82,17 +80,17 @@ struct ieee80211_key {
 			struct tkip_ctx tx;
 
 			/* last received RSC */
-			struct tkip_ctx rx[NUM_RX_DATA_QUEUES];
+			struct tkip_ctx rx[IEEE80211_NUM_TIDS];
 		} tkip;
 		struct {
 			atomic64_t tx_pn;
 			/*
 			 * Last received packet number. The first
-			 * NUM_RX_DATA_QUEUES counters are used with Data
+			 * IEEE80211_NUM_TIDS counters are used with Data
 			 * frames and the last counter is used with Robust
 			 * Management frames.
 			 */
-			u8 rx_pn[NUM_RX_DATA_QUEUES + 1][CCMP_PN_LEN];
+			u8 rx_pn[IEEE80211_NUM_TIDS + 1][CCMP_PN_LEN];
 			struct crypto_cipher *tfm;
 			u32 replays; /* dot11RSNAStatsCCMPReplays */
 		} ccmp;
diff --git a/net/mac80211/mesh_sync.c b/net/mac80211/mesh_sync.c
index 407c870..9c6ea9c 100644
--- a/net/mac80211/mesh_sync.c
+++ b/net/mac80211/mesh_sync.c
@@ -116,43 +116,13 @@ static void mesh_sync_offset_rx_bcn_presp(struct ieee80211_sub_if_data *sdata,
 		goto no_sync;
 	}
 
-	if (rx_status->flag & RX_FLAG_MACTIME_MPDU && rx_status->mactime) {
-		/*
-		 * The mactime is defined as the time the first data symbol
-		 * of the frame hits the PHY, and the timestamp of the beacon
-		 * is defined as "the time that the data symbol containing the
-		 * first bit of the timestamp is transmitted to the PHY plus
-		 * the transmitting STA's delays through its local PHY from the
-		 * MAC-PHY interface to its interface with the WM" (802.11
-		 * 11.1.2)
-		 *
-		 * T_r, in 13.13.2.2.2, is just defined as "the frame reception
-		 * time" but we unless we interpret that time to be the same
-		 * time of the beacon timestamp, the offset calculation will be
-		 * off.  Below we adjust t_r to be "the time at which the first
-		 * symbol of the timestamp element in the beacon is received".
-		 * This correction depends on the rate.
-		 *
-		 * Based on similar code in ibss.c
-		 */
-		int rate;
-
-		if (rx_status->flag & RX_FLAG_HT) {
-			/* TODO:
-			 * In principle there could be HT-beacons (Dual Beacon
-			 * HT Operation options), but for now ignore them and
-			 * just use the primary (i.e. non-HT) beacons for
-			 * synchronization.
-			 * */
-			goto no_sync;
-		} else
-			rate = local->hw.wiphy->bands[rx_status->band]->
-				bitrates[rx_status->rate_idx].bitrate;
-
-		/* 24 bytes of header * 8 bits/byte *
-		 * 10*(100 Kbps)/Mbps / rate (100 Kbps)*/
-		t_r = rx_status->mactime + (24 * 8 * 10 / rate);
-	}
+	if (ieee80211_have_rx_timestamp(rx_status))
+		/* time when timestamp field was received */
+		t_r = ieee80211_calculate_rx_timestamp(local, rx_status,
+						       24 + 12 +
+						       elems->total_len +
+						       FCS_LEN,
+						       24);
 
 	/* Timing offset calculation (see 13.13.2.2.2) */
 	t_t = le64_to_cpu(mgmt->u.beacon.timestamp);
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index 0cd42d5..7f8a365 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -283,7 +283,7 @@ void ieee80211_start_next_roc(struct ieee80211_local *local)
 		if (!duration)
 			duration = 10;
 
-		ret = drv_remain_on_channel(local, roc->chan,
+		ret = drv_remain_on_channel(local, roc->sdata, roc->chan,
 					    roc->chan_type,
 					    duration);
 
diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c
index 0f1c434..79a48f3 100644
--- a/net/mac80211/pm.c
+++ b/net/mac80211/pm.c
@@ -33,6 +33,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 	struct ieee80211_local *local = hw_to_local(hw);
 	struct ieee80211_sub_if_data *sdata;
 	struct sta_info *sta;
+	struct ieee80211_chanctx *ctx;
 
 	if (!local->open_count)
 		goto suspend;
@@ -139,14 +140,51 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan)
 		    rcu_access_pointer(sdata->u.ap.beacon))
 			drv_stop_ap(local, sdata);
 
-		/* the interface is leaving the channel and is removed */
-		ieee80211_vif_release_channel(sdata);
+		if (local->use_chanctx) {
+			struct ieee80211_chanctx_conf *conf;
+
+			mutex_lock(&local->chanctx_mtx);
+			conf = rcu_dereference_protected(
+					sdata->vif.chanctx_conf,
+					lockdep_is_held(&local->chanctx_mtx));
+			if (conf) {
+				ctx = container_of(conf,
+						   struct ieee80211_chanctx,
+						   conf);
+				drv_unassign_vif_chanctx(local, sdata, ctx);
+			}
+
+			mutex_unlock(&local->chanctx_mtx);
+		}
 		drv_remove_interface(local, sdata);
 	}
 
 	sdata = rtnl_dereference(local->monitor_sdata);
-	if (sdata)
+	if (sdata) {
+		if (local->use_chanctx) {
+			struct ieee80211_chanctx_conf *conf;
+
+			mutex_lock(&local->chanctx_mtx);
+			conf = rcu_dereference_protected(
+					sdata->vif.chanctx_conf,
+					lockdep_is_held(&local->chanctx_mtx));
+			if (conf) {
+				ctx = container_of(conf,
+						   struct ieee80211_chanctx,
+						   conf);
+				drv_unassign_vif_chanctx(local, sdata, ctx);
+			}
+
+			mutex_unlock(&local->chanctx_mtx);
+		}
+
 		drv_remove_interface(local, sdata);
+	}
+
+	mutex_lock(&local->chanctx_mtx);
+	list_for_each_entry(ctx, &local->chanctx_list, list)
+		drv_remove_chanctx(local, ctx);
+	mutex_unlock(&local->chanctx_mtx);
 
 	/* stop hardware - this must stop RX */
 	if (local->open_count)
diff --git a/net/mac80211/rx.c b/net/mac80211/rx.c
index 6ad3303..ec15a492 100644
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
@@ -40,6 +40,8 @@
 static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
 					   struct sk_buff *skb)
 {
+	struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
+
 	if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS) {
 		if (likely(skb->len > FCS_LEN))
 			__pskb_trim(skb, skb->len - FCS_LEN);
@@ -51,6 +53,9 @@ static struct sk_buff *remove_monitor_info(struct ieee80211_local *local,
 		}
 	}
 
+	if (status->vendor_radiotap_len)
+		__pskb_pull(skb, status->vendor_radiotap_len);
+
 	return skb;
 }
 
@@ -73,32 +78,48 @@ static inline int should_drop_frame(struct sk_buff *skb, int present_fcs_len)
 }
 
 static int
-ieee80211_rx_radiotap_len(struct ieee80211_local *local,
-			  struct ieee80211_rx_status *status)
+ieee80211_rx_radiotap_space(struct ieee80211_local *local,
+			    struct ieee80211_rx_status *status)
 {
 	int len;
 
 	/* always present fields */
 	len = sizeof(struct ieee80211_radiotap_header) + 9;
 
-	if (status->flag & RX_FLAG_MACTIME_MPDU)
+	/* allocate extra bitmap */
+	if (status->vendor_radiotap_len)
+		len += 4;
+
+	if (ieee80211_have_rx_timestamp(status)) {
+		len = ALIGN(len, 8);
 		len += 8;
+	}
 	if (local->hw.flags & IEEE80211_HW_SIGNAL_DBM)
 		len += 1;
 
-	if (len & 1) /* padding for RX_FLAGS if necessary */
-		len++;
+	/* padding for RX_FLAGS if necessary */
+	len = ALIGN(len, 2);
 
 	if (status->flag & RX_FLAG_HT) /* HT info */
 		len += 3;
 
 	if (status->flag & RX_FLAG_AMPDU_DETAILS) {
-		/* padding */
-		while (len & 3)
-			len++;
+		len = ALIGN(len, 4);
 		len += 8;
 	}
 
+	if (status->vendor_radiotap_len) {
+		if (WARN_ON_ONCE(status->vendor_radiotap_align == 0))
+			status->vendor_radiotap_align = 1;
+		/* align standard part of vendor namespace */
+		len = ALIGN(len, 2);
+		/* allocate standard part of vendor namespace */
+		len += 6;
+		/* align vendor-defined part */
+		len = ALIGN(len, status->vendor_radiotap_align);
+		/* vendor-defined part is already in skb */
+	}
+
 	return len;
 }
 
@@ -117,6 +138,11 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	struct ieee80211_radiotap_header *rthdr;
 	unsigned char *pos;
 	u16 rx_flags = 0;
+	int mpdulen;
+
+	mpdulen = skb->len;
+	if (!(has_fcs && (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)))
+		mpdulen += FCS_LEN;
 
 	rthdr = (struct ieee80211_radiotap_header *)skb_push(skb, rtap_len);
 	memset(rthdr, 0, rtap_len);
@@ -127,15 +153,29 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 			    (1 << IEEE80211_RADIOTAP_CHANNEL) |
 			    (1 << IEEE80211_RADIOTAP_ANTENNA) |
 			    (1 << IEEE80211_RADIOTAP_RX_FLAGS));
-	rthdr->it_len = cpu_to_le16(rtap_len);
+	rthdr->it_len = cpu_to_le16(rtap_len + status->vendor_radiotap_len);
 
 	pos = (unsigned char *)(rthdr + 1);
 
+	if (status->vendor_radiotap_len) {
+		rthdr->it_present |=
+			cpu_to_le32(BIT(IEEE80211_RADIOTAP_VENDOR_NAMESPACE)) |
+			cpu_to_le32(BIT(IEEE80211_RADIOTAP_EXT));
+		put_unaligned_le32(status->vendor_radiotap_bitmap, pos);
+		pos += 4;
+	}
+
 	/* the order of the following fields is important */
 
 	/* IEEE80211_RADIOTAP_TSFT */
-	if (status->flag & RX_FLAG_MACTIME_MPDU) {
-		put_unaligned_le64(status->mactime, pos);
+	if (ieee80211_have_rx_timestamp(status)) {
+		/* padding */
+		while ((pos - (u8 *)rthdr) & 7)
+			*pos++ = 0;
+		put_unaligned_le64(
+			ieee80211_calculate_rx_timestamp(local, status,
+							 mpdulen, 0),
+			pos);
 		rthdr->it_present |= cpu_to_le32(1 << IEEE80211_RADIOTAP_TSFT);
 		pos += 8;
 	}
@@ -203,7 +243,7 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 	/* IEEE80211_RADIOTAP_RX_FLAGS */
 	/* ensure 2 byte alignment for the 2 byte field as required */
 	if ((pos - (u8 *)rthdr) & 1)
-		pos++;
+		*pos++ = 0;
 	if (status->flag & RX_FLAG_FAILED_PLCP_CRC)
 		rx_flags |= IEEE80211_RADIOTAP_F_RX_BADPLCP;
 	put_unaligned_le16(rx_flags, pos);
@@ -253,6 +293,21 @@ ieee80211_add_rx_radiotap_header(struct ieee80211_local *local,
 			*pos++ = 0;
 		*pos++ = 0;
 	}
+
+	if (status->vendor_radiotap_len) {
+		/* ensure 2 byte alignment for the vendor field as required */
+		if ((pos - (u8 *)rthdr) & 1)
+			*pos++ = 0;
+		*pos++ = status->vendor_radiotap_oui[0];
+		*pos++ = status->vendor_radiotap_oui[1];
+		*pos++ = status->vendor_radiotap_oui[2];
+		*pos++ = status->vendor_radiotap_subns;
+		put_unaligned_le16(status->vendor_radiotap_len, pos);
+		pos += 2;
+		/* align the actual payload as requested */
+		while ((pos - (u8 *)rthdr) & (status->vendor_radiotap_align - 1))
+			*pos++ = 0;
+	}
 }
 
 /*
@@ -281,7 +336,7 @@ ieee80211_rx_monitor(struct ieee80211_local *local, struct sk_buff *origskb,
 	 */
 
 	/* room for the radiotap header based on driver features */
-	needed_headroom = ieee80211_rx_radiotap_len(local, status);
+	needed_headroom = ieee80211_rx_radiotap_space(local, status);
 
 	if (local->hw.flags & IEEE80211_HW_RX_INCLUDES_FCS)
 		present_fcs_len = FCS_LEN;
@@ -400,10 +455,10 @@ static void ieee80211_parse_qos(struct ieee80211_rx_data *rx)
 		 *
 		 * We also use that counter for non-QoS STAs.
 		 */
-		seqno_idx = NUM_RX_DATA_QUEUES;
+		seqno_idx = IEEE80211_NUM_TIDS;
 		security_idx = 0;
 		if (ieee80211_is_mgmt(hdr->frame_control))
-			security_idx = NUM_RX_DATA_QUEUES;
+			security_idx = IEEE80211_NUM_TIDS;
 		tid = 0;
 	}
 
@@ -2585,7 +2640,7 @@ static void ieee80211_rx_cooked_monitor(struct ieee80211_rx_data *rx,
 		goto out_free_skb;
 
 	/* room for the radiotap header based on driver features */
-	needed_headroom = ieee80211_rx_radiotap_len(local, status);
+	needed_headroom = ieee80211_rx_radiotap_space(local, status);
 
 	if (skb_headroom(skb) < needed_headroom &&
 	    pskb_expand_head(skb, needed_headroom, 0, GFP_ATOMIC))
diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c
index e9d5768..e6e5cb5 100644
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
@@ -142,7 +142,7 @@ static void free_sta_work(struct work_struct *wk)
 	 * drivers have to handle aggregation stop being requested, followed
 	 * directly by station destruction.
 	 */
-	for (i = 0; i < STA_TID_NUM; i++) {
+	for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
 		tid_tx = rcu_dereference_raw(sta->ampdu_mlme.tid_tx[i]);
 		if (!tid_tx)
 			continue;
@@ -330,7 +330,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 		return NULL;
 	}
 
-	for (i = 0; i < STA_TID_NUM; i++) {
+	for (i = 0; i < IEEE80211_NUM_TIDS; i++) {
 		/*
 		 * timer_to_tid must be initialized with identity mapping
 		 * to enable session_timer's data differentiation. See
@@ -343,7 +343,7 @@ struct sta_info *sta_info_alloc(struct ieee80211_sub_if_data *sdata,
 		skb_queue_head_init(&sta->tx_filtered[i]);
 	}
 
-	for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
+	for (i = 0; i < IEEE80211_NUM_TIDS; i++)
 		sta->last_seq_ctrl[i] = cpu_to_le16(USHRT_MAX);
 
 	sta_dbg(sdata, "Allocated STA %pM\n", sta->sta.addr);
@@ -986,7 +986,7 @@ void ieee80211_sta_ps_deliver_wakeup(struct sta_info *sta)
 
 	clear_sta_flag(sta, WLAN_STA_SP);
 
-	BUILD_BUG_ON(BITS_TO_LONGS(STA_TID_NUM) > 1);
+	BUILD_BUG_ON(BITS_TO_LONGS(IEEE80211_NUM_TIDS) > 1);
 	sta->driver_buffered_tids = 0;
 
 	if (!(local->hw.flags & IEEE80211_HW_AP_LINK_PS))
@@ -1374,7 +1374,7 @@ void ieee80211_sta_set_buffered(struct ieee80211_sta *pubsta,
 {
 	struct sta_info *sta = container_of(pubsta, struct sta_info, sta);
 
-	if (WARN_ON(tid >= STA_TID_NUM))
+	if (WARN_ON(tid >= IEEE80211_NUM_TIDS))
 		return;
 
 	if (buffered)
diff --git a/net/mac80211/sta_info.h b/net/mac80211/sta_info.h
index c88f161f..776f3d0 100644
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
@@ -80,7 +80,6 @@ enum ieee80211_sta_info_flags {
 	WLAN_STA_TOFFSET_KNOWN,
 };
 
-#define STA_TID_NUM 16
 #define ADDBA_RESP_INTERVAL HZ
 #define HT_AGG_MAX_RETRIES		15
 #define HT_AGG_BURST_RETRIES		3
@@ -197,15 +196,15 @@ struct tid_ampdu_rx {
 struct sta_ampdu_mlme {
 	struct mutex mtx;
 	/* rx */
-	struct tid_ampdu_rx __rcu *tid_rx[STA_TID_NUM];
-	unsigned long tid_rx_timer_expired[BITS_TO_LONGS(STA_TID_NUM)];
-	unsigned long tid_rx_stop_requested[BITS_TO_LONGS(STA_TID_NUM)];
+	struct tid_ampdu_rx __rcu *tid_rx[IEEE80211_NUM_TIDS];
+	unsigned long tid_rx_timer_expired[BITS_TO_LONGS(IEEE80211_NUM_TIDS)];
+	unsigned long tid_rx_stop_requested[BITS_TO_LONGS(IEEE80211_NUM_TIDS)];
 	/* tx */
 	struct work_struct work;
-	struct tid_ampdu_tx __rcu *tid_tx[STA_TID_NUM];
-	struct tid_ampdu_tx *tid_start_tx[STA_TID_NUM];
-	unsigned long last_addba_req_time[STA_TID_NUM];
-	u8 addba_req_num[STA_TID_NUM];
+	struct tid_ampdu_tx __rcu *tid_tx[IEEE80211_NUM_TIDS];
+	struct tid_ampdu_tx *tid_start_tx[IEEE80211_NUM_TIDS];
+	unsigned long last_addba_req_time[IEEE80211_NUM_TIDS];
+	u8 addba_req_num[IEEE80211_NUM_TIDS];
 	u8 dialog_token_allocator;
 };
 
@@ -330,7 +329,7 @@ struct sta_info {
 	int last_signal;
 	struct ewma avg_signal;
 	/* Plus 1 for non-QoS frames */
-	__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES + 1];
+	__le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];
 
 	/* Updated from TX status path only, no locking requirements */
 	unsigned long tx_filtered_count;
@@ -351,7 +350,7 @@ struct sta_info {
 	 * Aggregation information, locked with lock.
 	 */
 	struct sta_ampdu_mlme ampdu_mlme;
-	u8 timer_to_tid[STA_TID_NUM];
+	u8 timer_to_tid[IEEE80211_NUM_TIDS];
 
 #ifdef CONFIG_MAC80211_MESH
 	/*
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 758836c..e9579b7 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -1019,13 +1019,16 @@ TRACE_EVENT(drv_get_antenna,
 );
 
 TRACE_EVENT(drv_remain_on_channel,
-	TP_PROTO(struct ieee80211_local *local, struct ieee80211_channel *chan,
+	TP_PROTO(struct ieee80211_local *local,
+		 struct ieee80211_sub_if_data *sdata,
+		 struct ieee80211_channel *chan,
 		 enum nl80211_channel_type chantype, unsigned int duration),
 
-	TP_ARGS(local, chan, chantype, duration),
+	TP_ARGS(local, sdata, chan, chantype, duration),
 
 	TP_STRUCT__entry(
 		LOCAL_ENTRY
+		VIF_ENTRY
 		__field(int, center_freq)
 		__field(int, channel_type)
 		__field(unsigned int, duration)
@@ -1033,14 +1036,16 @@ TRACE_EVENT(drv_remain_on_channel,
 
 	TP_fast_assign(
 		LOCAL_ASSIGN;
+		VIF_ASSIGN;
 		__entry->center_freq = chan->center_freq;
 		__entry->channel_type = chantype;
 		__entry->duration = duration;
 	),
 
 	TP_printk(
-		LOCAL_PR_FMT " freq:%dMHz duration:%dms",
-		LOCAL_PR_ARG, __entry->center_freq, __entry->duration
+		LOCAL_PR_FMT  VIF_PR_FMT " freq:%dMHz duration:%dms",
+		LOCAL_PR_ARG, VIF_PR_ARG,
+		__entry->center_freq, __entry->duration
 	)
 );
 
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index c4a60bf..9b99916 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -1417,10 +1417,12 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 	}
 
 	/* add channel contexts */
-	mutex_lock(&local->chanctx_mtx);
-	list_for_each_entry(ctx, &local->chanctx_list, list)
-		WARN_ON(drv_add_chanctx(local, ctx));
-	mutex_unlock(&local->chanctx_mtx);
+	if (local->use_chanctx) {
+		mutex_lock(&local->chanctx_mtx);
+		list_for_each_entry(ctx, &local->chanctx_list, list)
+			WARN_ON(drv_add_chanctx(local, ctx));
+		mutex_unlock(&local->chanctx_mtx);
+	}
 
 	list_for_each_entry(sdata, &local->interfaces, list) {
 		struct ieee80211_chanctx_conf *ctx_conf;
@@ -1439,6 +1441,21 @@ int ieee80211_reconfig(struct ieee80211_local *local)
 		mutex_unlock(&local->chanctx_mtx);
 	}
 
+	sdata = rtnl_dereference(local->monitor_sdata);
+	if (sdata && local->use_chanctx && ieee80211_sdata_running(sdata)) {
+		struct ieee80211_chanctx_conf *ctx_conf;
+
+		mutex_lock(&local->chanctx_mtx);
+		ctx_conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
+				lockdep_is_held(&local->chanctx_mtx));
+		if (ctx_conf) {
+			ctx = container_of(ctx_conf, struct ieee80211_chanctx,
+					   conf);
+			drv_assign_vif_chanctx(local, sdata, ctx);
+		}
+		mutex_unlock(&local->chanctx_mtx);
+	}
+
 	/* add STAs back */
 	mutex_lock(&local->sta_mtx);
 	list_for_each_entry(sta, &local->sta_list, list) {
@@ -2015,3 +2032,54 @@ u8 ieee80211_mcs_to_chains(const struct ieee80211_mcs_info *mcs)
 		return 2;
 	return 1;
 }
+
+/**
+ * ieee80211_calculate_rx_timestamp - calculate timestamp in frame
+ * @local: mac80211 hw info struct
+ * @status: RX status
+ * @mpdu_len: total MPDU length (including FCS)
+ * @mpdu_offset: offset into MPDU to calculate timestamp at
+ *
+ * This function calculates the RX timestamp at the given MPDU offset, taking
+ * into account what the RX timestamp was. An offset of 0 will just normalize
+ * the timestamp to TSF at beginning of MPDU reception.
+ */
+u64 ieee80211_calculate_rx_timestamp(struct ieee80211_local *local,
+				     struct ieee80211_rx_status *status,
+				     unsigned int mpdu_len,
+				     unsigned int mpdu_offset)
+{
+	u64 ts = status->mactime;
+	struct rate_info ri;
+	u16 rate;
+
+	if (WARN_ON(!ieee80211_have_rx_timestamp(status)))
+		return 0;
+
+	memset(&ri, 0, sizeof(ri));
+
+	/* Fill cfg80211 rate info */
+	if (status->flag & RX_FLAG_HT) {
+		ri.mcs = status->rate_idx;
+		ri.flags |= RATE_INFO_FLAGS_MCS;
+		if (status->flag & RX_FLAG_40MHZ)
+			ri.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
+		if (status->flag & RX_FLAG_SHORT_GI)
+			ri.flags |= RATE_INFO_FLAGS_SHORT_GI;
+	} else {
+		struct ieee80211_supported_band *sband;
+
+		sband = local->hw.wiphy->bands[status->band];
+		ri.legacy = sband->bitrates[status->rate_idx].bitrate;
+	}
+
+	rate = cfg80211_calculate_bitrate(&ri);
+
+	/* rewind from end of MPDU */
+	if (status->flag & RX_FLAG_MACTIME_END)
+		ts -= mpdu_len * 8 * 10 / rate;
+
+	ts += mpdu_offset * 8 * 10 / rate;
+
+	return ts;
+}
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index c18b2fc..4c427fa 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -9027,6 +9027,53 @@ void cfg80211_report_obss_beacon(struct wiphy *wiphy,
 }
 EXPORT_SYMBOL(cfg80211_report_obss_beacon);
 
+void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer,
+				enum nl80211_tdls_operation oper,
+				u16 reason_code, gfp_t gfp)
+{
+	struct wireless_dev *wdev = dev->ieee80211_ptr;
+	struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy);
+	struct sk_buff *msg;
+	void *hdr;
+	int err;
+
+	trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper,
+					 reason_code);
+
+	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp);
+	if (!msg)
+		return;
+
+	hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER);
+	if (!hdr) {
+		nlmsg_free(msg);
+		return;
+	}
+
+	if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) ||
+	    nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) ||
+	    nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) ||
+	    nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) ||
+	    (reason_code > 0 &&
+	     nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code)))
+		goto nla_put_failure;
+
+	err = genlmsg_end(msg, hdr);
+	if (err < 0) {
+		nlmsg_free(msg);
+		return;
+	}
+
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
+	return;
+
+ nla_put_failure:
+	genlmsg_cancel(msg, hdr);
+	nlmsg_free(msg);
+}
+EXPORT_SYMBOL(cfg80211_tdls_oper_request);
+
 static int nl80211_netlink_notify(struct notifier_block * nb,
 				  unsigned long state,
 				  void *_notify)
diff --git a/net/wireless/trace.h b/net/wireless/trace.h
index 8e03c63..f264c20 100644
--- a/net/wireless/trace.h
+++ b/net/wireless/trace.h
@@ -2157,6 +2157,29 @@ TRACE_EVENT(cfg80211_report_obss_beacon,
 		  WIPHY_PR_ARG, __entry->freq, __entry->sig_dbm)
 );
 
+TRACE_EVENT(cfg80211_tdls_oper_request,
+	TP_PROTO(struct wiphy *wiphy, struct net_device *netdev, const u8 *peer,
+		 enum nl80211_tdls_operation oper, u16 reason_code),
+	TP_ARGS(wiphy, netdev, peer, oper, reason_code),
+	TP_STRUCT__entry(
+		WIPHY_ENTRY
+		NETDEV_ENTRY
+		MAC_ENTRY(peer)
+		__field(enum nl80211_tdls_operation, oper)
+		__field(u16, reason_code)
+	),
+	TP_fast_assign(
+		WIPHY_ASSIGN;
+		NETDEV_ASSIGN;
+		MAC_ASSIGN(peer, peer);
+		__entry->oper = oper;
+		__entry->reason_code = reason_code;
+	),
+	TP_printk(WIPHY_PR_FMT ", " NETDEV_PR_FMT ", peer: " MAC_PR_FMT ", oper: %d, reason_code %u",
+		  WIPHY_PR_ARG, NETDEV_PR_ARG, MAC_PR_ARG(peer), __entry->oper,
+		  __entry->reason_code)
+	);
+
 TRACE_EVENT(cfg80211_scan_done,
 	TP_PROTO(struct cfg80211_scan_request *request, bool aborted),
 	TP_ARGS(request, aborted),