---

yaml
---
r: 352803
b: refs/heads/master
c: d2931bb
h: refs/heads/master
i:
  352801: 1c949b4
  352799: e457a6e
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: b18bf9733c4ca4db6fdb692895fabc9d934b7303
+refs/heads/master: d2931bbd5471c35f55856e5a4f001160df9951dc

trunk/drivers/net/wireless/iwlwifi/mvm/mac-ctxt.c

@@ -585,10 +585,43 @@ static void iwl_mvm_mac_ctxt_cmd_fill_sta(struct iwl_mvm *mvm,
 					  struct iwl_mac_data_sta *ctxt_sta)
 {
 	/* We need the dtim_period to set the MAC as associated */
-	if (vif->bss_conf.assoc && vif->bss_conf.dtim_period)
+	if (vif->bss_conf.assoc && vif->bss_conf.dtim_period) {
+		u32 dtim_offs;
+
+		/*
+		 * The DTIM count counts down, so when it is N that means N
+		 * more beacon intervals happen until the DTIM TBTT. Therefore
+		 * add this to the current time. If that ends up being in the
+		 * future, the firmware will handle it.
+		 *
+		 * Also note that the system_timestamp (which we get here as
+		 * "sync_device_ts") and TSF timestamp aren't at exactly the
+		 * same offset in the frame -- the TSF is at the first symbol
+		 * of the TSF, the system timestamp is at signal acquisition
+		 * time. This means there's an offset between them of at most
+		 * a few hundred microseconds (24 * 8 bits + PLCP time gives
+		 * 384us in the longest case), this is currently not relevant
+		 * as the firmware wakes up around 2ms before the TBTT.
+		 */
+		dtim_offs = vif->bss_conf.sync_dtim_count *
+				vif->bss_conf.beacon_int;
+		/* convert TU to usecs */
+		dtim_offs *= 1024;
+
+		ctxt_sta->dtim_tsf =
+			cpu_to_le64(vif->bss_conf.sync_tsf + dtim_offs);
+		ctxt_sta->dtim_time =
+			cpu_to_le32(vif->bss_conf.sync_device_ts + dtim_offs);
+
+		IWL_DEBUG_INFO(mvm, "DTIM TBTT is 0x%llx/0x%x, offset %d\n",
+			       le64_to_cpu(ctxt_sta->dtim_tsf),
+			       le32_to_cpu(ctxt_sta->dtim_time),
+			       dtim_offs);
+
 		ctxt_sta->is_assoc = cpu_to_le32(1);
-	else
+	} else {
 		ctxt_sta->is_assoc = cpu_to_le32(0);
+	}
 
 	ctxt_sta->bi = cpu_to_le32(vif->bss_conf.beacon_int);
 	ctxt_sta->bi_reciprocal =

trunk/drivers/net/wireless/iwlwifi/mvm/mac80211.c

@@ -115,7 +115,8 @@ int iwl_mvm_mac_setup_register(struct iwl_mvm *mvm)
 		    IEEE80211_HW_WANT_MONITOR_VIF |
 		    IEEE80211_HW_SUPPORTS_PS |
 		    IEEE80211_HW_SUPPORTS_DYNAMIC_PS |
-		    IEEE80211_HW_AMPDU_AGGREGATION;
+		    IEEE80211_HW_AMPDU_AGGREGATION |
+		    IEEE80211_HW_TIMING_BEACON_ONLY;
 
 	hw->queues = IWL_FIRST_AMPDU_QUEUE;
 	hw->offchannel_tx_hw_queue = IWL_OFFCHANNEL_QUEUE;

trunk/drivers/net/wireless/iwlwifi/mvm/rx.c

@@ -267,6 +267,7 @@ int iwl_mvm_rx_rx_mpdu(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb,
 
 	/* rx_status carries information about the packet to mac80211 */
 	rx_status.mactime = le64_to_cpu(phy_info->timestamp);
+	rx_status.device_timestamp = le32_to_cpu(phy_info->system_timestamp);
 	rx_status.band =
 		(phy_info->phy_flags & cpu_to_le16(RX_RES_PHY_FLAGS_BAND_24)) ?
 				IEEE80211_BAND_2GHZ : IEEE80211_BAND_5GHZ;