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, 50 insertions, 23 deletions

diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 8b6398850657..7594650f214f 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -910,6 +910,22 @@ static bool ath9k_uses_beacons(int type)
 	}
 }
 
+static void ath9k_vif_iter_set_beacon(struct ath9k_vif_iter_data *iter_data,
+				      struct ieee80211_vif *vif)
+{
+	/* Use the first (configured) interface, but prefering AP interfaces. */
+	if (!iter_data->primary_beacon_vif) {
+		iter_data->primary_beacon_vif = vif;
+	} else {
+		if (iter_data->primary_beacon_vif->type != NL80211_IFTYPE_AP &&
+		    vif->type == NL80211_IFTYPE_AP)
+		iter_data->primary_beacon_vif = vif;
+	}
+
+	iter_data->beacons = true;
+	iter_data->nbcnvifs += 1;
+}
+
 static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data,
 			   u8 *mac, struct ieee80211_vif *vif)
 {
@@ -926,11 +942,13 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data,
 	}
 
 	if (!vif->bss_conf.use_short_slot)
-		iter_data->slottime = ATH9K_SLOT_TIME_20;
+		iter_data->slottime = 20;
 
 	switch (vif->type) {
 	case NL80211_IFTYPE_AP:
 		iter_data->naps++;
+		if (vif->bss_conf.enable_beacon)
+			ath9k_vif_iter_set_beacon(iter_data, vif);
 		break;
 	case NL80211_IFTYPE_STATION:
 		iter_data->nstations++;
@@ -943,12 +961,12 @@ static void ath9k_vif_iter(struct ath9k_vif_iter_data *iter_data,
 	case NL80211_IFTYPE_ADHOC:
 		iter_data->nadhocs++;
 		if (vif->bss_conf.enable_beacon)
-			iter_data->beacons = true;
+			ath9k_vif_iter_set_beacon(iter_data, vif);
 		break;
 	case NL80211_IFTYPE_MESH_POINT:
 		iter_data->nmeshes++;
 		if (vif->bss_conf.enable_beacon)
-			iter_data->beacons = true;
+			ath9k_vif_iter_set_beacon(iter_data, vif);
 		break;
 	case NL80211_IFTYPE_WDS:
 		iter_data->nwds++;
@@ -999,7 +1017,7 @@ void ath9k_calculate_iter_data(struct ath_softc *sc,
 	 */
 	memset(iter_data, 0, sizeof(*iter_data));
 	eth_broadcast_addr(iter_data->mask);
-	iter_data->slottime = ATH9K_SLOT_TIME_9;
+	iter_data->slottime = 9;
 
 	list_for_each_entry(avp, &ctx->vifs, list)
 		ath9k_vif_iter(iter_data, avp->vif->addr, avp->vif);
@@ -1061,7 +1079,7 @@ static void ath9k_set_offchannel_state(struct ath_softc *sc)
 	ah->opmode = vif->type;
 	ah->imask &= ~ATH9K_INT_SWBA;
 	ah->imask &= ~ATH9K_INT_TSFOOR;
-	ah->slottime = ATH9K_SLOT_TIME_9;
+	ah->slottime = 9;
 
 	ath_hw_setbssidmask(common);
 	ath9k_hw_setopmode(ah);
@@ -1081,7 +1099,6 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 	struct ath_hw *ah = sc->sc_ah;
 	struct ath_common *common = ath9k_hw_common(ah);
 	struct ath9k_vif_iter_data iter_data;
-	struct ath_beacon_config *cur_conf;
 
 	ath_chanctx_check_active(sc, ctx);
 
@@ -1103,13 +1120,12 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 	ath_hw_setbssidmask(common);
 
 	if (iter_data.naps > 0) {
-		cur_conf = &ctx->beacon;
 		ath9k_hw_set_tsfadjust(ah, true);
 		ah->opmode = NL80211_IFTYPE_AP;
-		if (cur_conf->enable_beacon)
-			iter_data.beacons = true;
 	} else {
 		ath9k_hw_set_tsfadjust(ah, false);
+		if (iter_data.beacons)
+			ath9k_beacon_ensure_primary_slot(sc);
 
 		if (iter_data.nmeshes)
 			ah->opmode = NL80211_IFTYPE_MESH_POINT;
@@ -1134,7 +1150,6 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 			ctx->switch_after_beacon = true;
 	}
 
-	ah->imask &= ~ATH9K_INT_SWBA;
 	if (ah->opmode == NL80211_IFTYPE_STATION) {
 		bool changed = (iter_data.primary_sta != ctx->primary_sta);
 
@@ -1151,16 +1166,12 @@ void ath9k_calculate_summary_state(struct ath_softc *sc,
 			if (ath9k_hw_mci_is_enabled(sc->sc_ah))
 				ath9k_mci_update_wlan_channels(sc, true);
 		}
-	} else if (iter_data.beacons) {
-		ah->imask |= ATH9K_INT_SWBA;
 	}
+	sc->nbcnvifs = iter_data.nbcnvifs;
+	ath9k_beacon_config(sc, iter_data.primary_beacon_vif,
+			    iter_data.beacons);
 	ath9k_hw_set_interrupts(ah);
 
-	if (iter_data.beacons)
-		set_bit(ATH_OP_BEACONS, &common->op_flags);
-	else
-		clear_bit(ATH_OP_BEACONS, &common->op_flags);
-
 	if (ah->slottime != iter_data.slottime) {
 		ah->slottime = iter_data.slottime;
 		ath9k_hw_init_global_settings(ah);
@@ -1777,9 +1788,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 	if ((changed & BSS_CHANGED_BEACON_ENABLED) ||
 	    (changed & BSS_CHANGED_BEACON_INT) ||
 	    (changed & BSS_CHANGED_BEACON_INFO)) {
-		ath9k_beacon_config(sc, vif, changed);
-		if (changed & BSS_CHANGED_BEACON_ENABLED)
-			ath9k_calculate_summary_state(sc, avp->chanctx);
+		ath9k_calculate_summary_state(sc, avp->chanctx);
 	}
 
 	if ((avp->chanctx == sc->cur_chan) &&
@@ -1788,6 +1797,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 			slottime = 9;
 		else
 			slottime = 20;
+
 		if (vif->type == NL80211_IFTYPE_AP) {
 			/*
 			 * Defer update, so that connected stations can adjust
@@ -1823,11 +1833,19 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
 static u64 ath9k_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
 	struct ath_softc *sc = hw->priv;
+	struct ath_vif *avp = (void *)vif->drv_priv;
 	u64 tsf;
 
 	mutex_lock(&sc->mutex);
 	ath9k_ps_wakeup(sc);
-	tsf = ath9k_hw_gettsf64(sc->sc_ah);
+	/* Get current TSF either from HW or kernel time. */
+	if (sc->cur_chan == avp->chanctx) {
+		tsf = ath9k_hw_gettsf64(sc->sc_ah);
+	} else {
+		tsf = sc->cur_chan->tsf_val +
+		      ath9k_hw_get_tsf_offset(&sc->cur_chan->tsf_ts, NULL);
+	}
+	tsf += le64_to_cpu(avp->tsf_adjust);
 	ath9k_ps_restore(sc);
 	mutex_unlock(&sc->mutex);
 
@@ -1839,10 +1857,15 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw,
 			  u64 tsf)
 {
 	struct ath_softc *sc = hw->priv;
+	struct ath_vif *avp = (void *)vif->drv_priv;
 
 	mutex_lock(&sc->mutex);
 	ath9k_ps_wakeup(sc);
-	ath9k_hw_settsf64(sc->sc_ah, tsf);
+	tsf -= le64_to_cpu(avp->tsf_adjust);
+	getrawmonotonic(&avp->chanctx->tsf_ts);
+	if (sc->cur_chan == avp->chanctx)
+		ath9k_hw_settsf64(sc->sc_ah, tsf);
+	avp->chanctx->tsf_val = tsf;
 	ath9k_ps_restore(sc);
 	mutex_unlock(&sc->mutex);
 }
@@ -1850,11 +1873,15 @@ static void ath9k_set_tsf(struct ieee80211_hw *hw,
 static void ath9k_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
 {
 	struct ath_softc *sc = hw->priv;
+	struct ath_vif *avp = (void *)vif->drv_priv;
 
 	mutex_lock(&sc->mutex);
 
 	ath9k_ps_wakeup(sc);
-	ath9k_hw_reset_tsf(sc->sc_ah);
+	getrawmonotonic(&avp->chanctx->tsf_ts);
+	if (sc->cur_chan == avp->chanctx)
+		ath9k_hw_reset_tsf(sc->sc_ah);
+	avp->chanctx->tsf_val = 0;
 	ath9k_ps_restore(sc);
 
 	mutex_unlock(&sc->mutex);