Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next

Pull networking updates from David Miller:

 1) Unified UDP encapsulation offload methods for drivers, from
    Alexander Duyck.

 2) Make DSA binding more sane, from Andrew Lunn.

 3) Support QCA9888 chips in ath10k, from Anilkumar Kolli.

 4) Several workqueue usage cleanups, from Bhaktipriya Shridhar.

 5) Add XDP (eXpress Data Path), essentially running BPF programs on RX
    packets as soon as the device sees them, with the option to mirror
    the packet on TX via the same interface.  From Brenden Blanco and
    others.

 6) Allow qdisc/class stats dumps to run lockless, from Eric Dumazet.

 7) Add VLAN support to b53 and bcm_sf2, from Florian Fainelli.

 8) Simplify netlink conntrack entry layout, from Florian Westphal.

 9) Add ipv4 forwarding support to mlxsw spectrum driver, from Ido
    Schimmel, Yotam Gigi, and Jiri Pirko.

10) Add SKB array infrastructure and convert tun and macvtap over to it.
    From Michael S Tsirkin and Jason Wang.

11) Support qdisc packet injection in pktgen, from John Fastabend.

12) Add neighbour monitoring framework to TIPC, from Jon Paul Maloy.

13) Add NV congestion control support to TCP, from Lawrence Brakmo.

14) Add GSO support to SCTP, from Marcelo Ricardo Leitner.

15) Allow GRO and RPS to function on macsec devices, from Paolo Abeni.

16) Support MPLS over IPV4, from Simon Horman.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1622 commits)
  xgene: Fix build warning with ACPI disabled.
  be2net: perform temperature query in adapter regardless of its interface state
  l2tp: Correctly return -EBADF from pppol2tp_getname.
  net/mlx5_core/health: Remove deprecated create_singlethread_workqueue
  net: ipmr/ip6mr: update lastuse on entry change
  macsec: ensure rx_sa is set when validation is disabled
  tipc: dump monitor attributes
  tipc: add a function to get the bearer name
  tipc: get monitor threshold for the cluster
  tipc: make cluster size threshold for monitoring configurable
  tipc: introduce constants for tipc address validation
  net: neigh: disallow transition to NUD_STALE if lladdr is unchanged in neigh_update()
  MAINTAINERS: xgene: Add driver and documentation path
  Documentation: dtb: xgene: Add MDIO node
  dtb: xgene: Add MDIO node
  drivers: net: xgene: ethtool: Use phy_ethtool_gset and sset
  drivers: net: xgene: Use exported functions
  drivers: net: xgene: Enable MDIO driver
  drivers: net: xgene: Add backward compatibility
  drivers: net: phy: xgene: Add MDIO driver
  ...

1 files changed, 37 insertions, 5 deletions

diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index f9648ef9e31f..070b40f15850 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -7,6 +7,7 @@
  * Copyright 2006-2007	Jiri Benc <jbenc@suse.cz>
  * Copyright 2007, Michael Wu <flamingice@sourmilk.net>
  * Copyright 2013-2015  Intel Mobile Communications GmbH
+ * Copyright 2016  Intel Deutschland GmbH
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -70,6 +71,7 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
 		.boottime_ns = rx_status->boottime_ns,
 	};
 	bool signal_valid;
+	struct ieee80211_sub_if_data *scan_sdata;
 
 	if (ieee80211_hw_check(&local->hw, SIGNAL_DBM))
 		bss_meta.signal = rx_status->signal * 100;
@@ -83,6 +85,20 @@ ieee80211_bss_info_update(struct ieee80211_local *local,
 		bss_meta.scan_width = NL80211_BSS_CHAN_WIDTH_10;
 
 	bss_meta.chan = channel;
+
+	rcu_read_lock();
+	scan_sdata = rcu_dereference(local->scan_sdata);
+	if (scan_sdata && scan_sdata->vif.type == NL80211_IFTYPE_STATION &&
+	    scan_sdata->vif.bss_conf.assoc &&
+	    ieee80211_have_rx_timestamp(rx_status)) {
+		bss_meta.parent_tsf =
+			ieee80211_calculate_rx_timestamp(local, rx_status,
+							 len + FCS_LEN, 24);
+		ether_addr_copy(bss_meta.parent_bssid,
+				scan_sdata->vif.bss_conf.bssid);
+	}
+	rcu_read_unlock();
+
 	cbss = cfg80211_inform_bss_frame_data(local->hw.wiphy, &bss_meta,
 					      mgmt, len, GFP_ATOMIC);
 	if (!cbss)
@@ -345,6 +361,12 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 
 		if (rc == 0)
 			return;
+
+		/* HW scan failed and is going to be reported as aborted,
+		 * so clear old scan info.
+		 */
+		memset(&local->scan_info, 0, sizeof(local->scan_info));
+		aborted = true;
 	}
 
 	kfree(local->hw_scan_req);
@@ -353,8 +375,10 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 	scan_req = rcu_dereference_protected(local->scan_req,
 					     lockdep_is_held(&local->mtx));
 
-	if (scan_req != local->int_scan_req)
-		cfg80211_scan_done(scan_req, aborted);
+	if (scan_req != local->int_scan_req) {
+		local->scan_info.aborted = aborted;
+		cfg80211_scan_done(scan_req, &local->scan_info);
+	}
 	RCU_INIT_POINTER(local->scan_req, NULL);
 
 	scan_sdata = rcu_dereference_protected(local->scan_sdata,
@@ -391,15 +415,19 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
 		ieee80211_start_next_roc(local);
 }
 
-void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted)
+void ieee80211_scan_completed(struct ieee80211_hw *hw,
+			      struct cfg80211_scan_info *info)
 {
 	struct ieee80211_local *local = hw_to_local(hw);
 
-	trace_api_scan_completed(local, aborted);
+	trace_api_scan_completed(local, info);
 
 	set_bit(SCAN_COMPLETED, &local->scanning);
-	if (aborted)
+	if (info->aborted)
 		set_bit(SCAN_ABORTED, &local->scanning);
+
+	memcpy(&local->scan_info, info, sizeof(*info));
+
 	ieee80211_queue_delayed_work(&local->hw, &local->scan_work, 0);
 }
 EXPORT_SYMBOL(ieee80211_scan_completed);
@@ -566,6 +594,9 @@ static int __ieee80211_start_scan(struct ieee80211_sub_if_data *sdata,
 		local->hw_scan_req->req.ie = ies;
 		local->hw_scan_req->req.flags = req->flags;
 		eth_broadcast_addr(local->hw_scan_req->req.bssid);
+		local->hw_scan_req->req.duration = req->duration;
+		local->hw_scan_req->req.duration_mandatory =
+			req->duration_mandatory;
 
 		local->hw_scan_band = 0;
 
@@ -1073,6 +1104,7 @@ void ieee80211_scan_cancel(struct ieee80211_local *local)
 	 */
 	cancel_delayed_work(&local->scan_work);
 	/* and clean up */
+	memset(&local->scan_info, 0, sizeof(local->scan_info));
 	__ieee80211_scan_completed(&local->hw, true);
 out:
 	mutex_unlock(&local->mtx);