staging: rtl8723au: Save timestamp for network in collect_bss_info() and report it to the stack

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723au/core/rtw_mlme_ext.c

@@ -4281,6 +4281,7 @@ static struct wlan_bssid_ex *collect_bss_info(struct rtw_adapter *padapter,
 		capab_info = get_unaligned_le16(&mgmt->u.beacon.capab_info);
 		bssid->BeaconPeriod =
 			get_unaligned_le16(&mgmt->u.beacon.beacon_int);
+		bssid->tsf = get_unaligned_le64(&mgmt->u.beacon.timestamp);
 	} else  if (ieee80211_is_probe_req(mgmt->frame_control)) {
 		ie_offset = offsetof(struct ieee80211_mgmt,
 				     u.probe_req.variable);
@@ -4288,6 +4289,7 @@ static struct wlan_bssid_ex *collect_bss_info(struct rtw_adapter *padapter,
 		capab_info = 0;
 		bssid->BeaconPeriod =
 			padapter->registrypriv.dev_network.BeaconPeriod;
+		bssid->tsf = 0;
 	} else if (ieee80211_is_probe_resp(mgmt->frame_control)) {
 		ie_offset = offsetof(struct ieee80211_mgmt,
 				     u.probe_resp.variable);
@@ -4295,12 +4297,14 @@ static struct wlan_bssid_ex *collect_bss_info(struct rtw_adapter *padapter,
 		capab_info = get_unaligned_le16(&mgmt->u.probe_resp.capab_info);
 		bssid->BeaconPeriod =
 			get_unaligned_le16(&mgmt->u.probe_resp.beacon_int);
+		bssid->tsf = get_unaligned_le64(&mgmt->u.probe_resp.timestamp);
 	} else {
 		bssid->reserved = 0;
 		ie_offset = offsetof(struct ieee80211_mgmt, u.beacon.variable);
 		capab_info = get_unaligned_le16(&mgmt->u.beacon.capab_info);
 		bssid->BeaconPeriod =
 			padapter->registrypriv.dev_network.BeaconPeriod;
+		bssid->tsf = 0;
 	}
 	ie_offset -= offsetof(struct ieee80211_mgmt, u);
 

drivers/staging/rtl8723au/include/wlan_bssdef.h

@@ -93,6 +93,7 @@ struct wlan_bssid_ex {
 	u32  Privacy;
 	long  Rssi;/* in dBM, raw data , get from PHY) */
 	u16 BeaconPeriod;       /*  units are Kusec */
+	u64 tsf;
 	u32 ATIMWindow;         /*  units are Kusec */
 	u32 DSConfig;           /*  Frequency, units are kHz */
 	enum nl80211_iftype ifmode;

drivers/staging/rtl8723au/os_dep/ioctl_cfg80211.c

@@ -288,7 +288,8 @@ static int rtw_cfg80211_inform_bss(struct rtw_adapter *padapter,
 	}
 
 	bss = cfg80211_inform_bss(wiphy, notify_channel,
-				  pnetwork->network.MacAddress, 0,
+				  pnetwork->network.MacAddress,
+				  pnetwork->network.tsf,
 				  notify_capability, notify_interval,
 				  notify_ie, notify_ielen,
 				  notify_signal, GFP_ATOMIC);