cfg80211: add support for per-chain signal strength reporting

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>

1 files changed, 14 insertions, 0 deletions

diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index 26b5b692c22b..87f7e1d060ab 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -753,6 +753,8 @@ int cfg80211_check_station_change(struct wiphy *wiphy,
  * @STATION_INFO_LOCAL_PM: @local_pm filled
  * @STATION_INFO_PEER_PM: @peer_pm filled
  * @STATION_INFO_NONPEER_PM: @nonpeer_pm filled
+ * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
+ * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
  */
 enum station_info_flags {
         STATION_INFO_INACTIVE_TIME      = 1<<0,
@@ -781,6 +783,8 @@ enum station_info_flags {
         STATION_INFO_NONPEER_PM         = 1<<23,
         STATION_INFO_RX_BYTES64         = 1<<24,
         STATION_INFO_TX_BYTES64         = 1<<25,
+        STATION_INFO_CHAIN_SIGNAL       = 1<<26,
+        STATION_INFO_CHAIN_SIGNAL_AVG   = 1<<27,
 };
 
 /**
@@ -857,6 +861,8 @@ struct sta_bss_parameters {
         u16 beacon_interval;
 };
 
+#define IEEE80211_MAX_CHAINS    4
+
 /**
  * struct station_info - station information
  *
@@ -874,6 +880,9 @@ struct sta_bss_parameters {
  *      For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
  * @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
  *      For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
+ * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
+ * @chain_signal: per-chain signal strength of last received packet in dBm
+ * @chain_signal_avg: per-chain signal strength average in dBm
  * @txrate: current unicast bitrate from this station
  * @rxrate: current unicast bitrate to this station
  * @rx_packets: packets received from this station
@@ -909,6 +918,11 @@ struct station_info {
         u8 plink_state;
         s8 signal;
         s8 signal_avg;
+
+        u8 chains;
+        s8 chain_signal[IEEE80211_MAX_CHAINS];
+        s8 chain_signal_avg[IEEE80211_MAX_CHAINS];
+
         struct rate_info txrate;
         struct rate_info rxrate;
         u32 rx_packets;