mwifiex: update BSS parameters in dump_station_info()

This enables user to check beacon interval, DTIM period, short slot
time and short preamble information using "iw dev mlan0 link" command
when station is in connected state.

Signed-off-by: Amitkumar Karwar <akarwar@marvell.com>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c
index 00f1005..6fef492 100644
--- a/drivers/net/wireless/mwifiex/cfg80211.c
+++ b/drivers/net/wireless/mwifiex/cfg80211.c
@@ -557,6 +557,23 @@
 	/* bit rate is in 500 kb/s units. Convert it to 100kb/s units */
 	sinfo->txrate.legacy = rate.rate * 5;
 
+	if (priv->bss_mode == NL80211_IFTYPE_STATION) {
+		sinfo->filled |= STATION_INFO_BSS_PARAM;
+		sinfo->bss_param.flags = 0;
+		if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
+						WLAN_CAPABILITY_SHORT_PREAMBLE)
+			sinfo->bss_param.flags |=
+					BSS_PARAM_FLAGS_SHORT_PREAMBLE;
+		if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap &
+						WLAN_CAPABILITY_SHORT_SLOT_TIME)
+			sinfo->bss_param.flags |=
+					BSS_PARAM_FLAGS_SHORT_SLOT_TIME;
+		sinfo->bss_param.dtim_period =
+			priv->curr_bss_params.bss_descriptor.dtim_period;
+		sinfo->bss_param.beacon_interval =
+			priv->curr_bss_params.bss_descriptor.beacon_period;
+	}
+
 	return ret;
 }