nl80211: Add signal strength and bandwith to nl80211station info
This patch adds signal strength and transmission bitrate
to the station_info of nl80211.
Signed-off-by: Henning Rogge <rogge@fgan.de>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index a0c0bf1..65e03ac 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -169,6 +169,9 @@
* @STATION_INFO_LLID: @llid filled
* @STATION_INFO_PLID: @plid filled
* @STATION_INFO_PLINK_STATE: @plink_state filled
+ * @STATION_INFO_SIGNAL: @signal filled
+ * @STATION_INFO_TX_BITRATE: @tx_bitrate fields are filled
+ * (tx_bitrate, tx_bitrate_flags and tx_bitrate_mcs)
*/
enum station_info_flags {
STATION_INFO_INACTIVE_TIME = 1<<0,
@@ -177,6 +180,39 @@
STATION_INFO_LLID = 1<<3,
STATION_INFO_PLID = 1<<4,
STATION_INFO_PLINK_STATE = 1<<5,
+ STATION_INFO_SIGNAL = 1<<6,
+ STATION_INFO_TX_BITRATE = 1<<7,
+};
+
+/**
+ * enum station_info_rate_flags - bitrate info flags
+ *
+ * Used by the driver to indicate the specific rate transmission
+ * type for 802.11n transmissions.
+ *
+ * @RATE_INFO_FLAGS_MCS: @tx_bitrate_mcs filled
+ * @RATE_INFO_FLAGS_40_MHZ_WIDTH: 40 Mhz width transmission
+ * @RATE_INFO_FLAGS_SHORT_GI: 400ns guard interval
+ */
+enum rate_info_flags {
+ RATE_INFO_FLAGS_MCS = 1<<0,
+ RATE_INFO_FLAGS_40_MHZ_WIDTH = 1<<1,
+ RATE_INFO_FLAGS_SHORT_GI = 1<<2,
+};
+
+/**
+ * struct rate_info - bitrate information
+ *
+ * Information about a receiving or transmitting bitrate
+ *
+ * @flags: bitflag of flags from &enum rate_info_flags
+ * @mcs: mcs index if struct describes a 802.11n bitrate
+ * @legacy: bitrate in 100kbit/s for 802.11abg
+ */
+struct rate_info {
+ u8 flags;
+ u8 mcs;
+ u16 legacy;
};
/**
@@ -191,6 +227,8 @@
* @llid: mesh local link id
* @plid: mesh peer link id
* @plink_state: mesh peer link state
+ * @signal: signal strength of last received packet in dBm
+ * @txrate: current unicast bitrate to this station
*/
struct station_info {
u32 filled;
@@ -200,6 +238,8 @@
u16 llid;
u16 plid;
u8 plink_state;
+ s8 signal;
+ struct rate_info txrate;
};
/**