mac80211: add support for per-chain signal strength reporting
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
[fix unit documentation]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index 04c2d46..5953f25 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -850,6 +850,10 @@
* @signal: signal strength when receiving this frame, either in dBm, in dB or
* unspecified depending on the hardware capabilities flags
* @IEEE80211_HW_SIGNAL_*
+ * @chains: bitmask of receive chains for which separate signal strength
+ * values were filled.
+ * @chain_signal: per-chain signal strength, in dBm (unlike @signal, doesn't
+ * support dB or unspecified units)
* @antenna: antenna used
* @rate_idx: index of data rate into band's supported rates or MCS index if
* HT or VHT is used (%RX_FLAG_HT/%RX_FLAG_VHT)
@@ -881,6 +885,8 @@
u8 band;
u8 antenna;
s8 signal;
+ u8 chains;
+ s8 chain_signal[IEEE80211_MAX_CHAINS];
u8 ampdu_delimiter_crc;
u8 vendor_radiotap_align;
u8 vendor_radiotap_oui[3];