--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
-@@ -697,6 +697,9 @@ enum mac80211_rx_flags {
- * @mactime: value in microseconds of the 64-bit Time Synchronization Function
- * (TSF) timer when the first data symbol (MPDU) arrived at the hardware.
- * @band: the active band when this frame was received
+@@ -816,6 +816,9 @@ enum mac80211_rx_flags {
+ * @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, same format as @signal
- * @freq: frequency the radio was tuned to when receiving this frame, in MHz
- * @signal: signal strength when receiving this frame, either in dBm, in dB or
- * unspecified depending on the hardware capabilities flags
-@@ -710,6 +713,10 @@ enum mac80211_rx_flags {
- struct ieee80211_rx_status {
- u64 mactime;
- enum ieee80211_band band;
-+
+ * @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)
+@@ -847,6 +850,8 @@ struct ieee80211_rx_status {
+ u8 band;
+ u8 antenna;
+ s8 signal;
+ u8 chains;
+ s8 chain_signal[4];
-+
- int freq;
- int signal;
- int antenna;
+ u8 ampdu_delimiter_crc;
+ u8 vendor_radiotap_align;
+ u8 vendor_radiotap_oui[3];
--- a/net/mac80211/sta_info.h
+++ b/net/mac80211/sta_info.h
-@@ -325,6 +325,11 @@ struct sta_info {
- unsigned long rx_dropped;
+@@ -329,6 +329,11 @@ struct sta_info {
int last_signal;
struct ewma avg_signal;
+ int last_ack_signal;
+
+ u8 chains;
+ s8 chain_signal_last[4];
+ struct ewma chain_signal_avg[4];
+
/* Plus 1 for non-QoS frames */
- __le16 last_seq_ctrl[NUM_RX_DATA_QUEUES + 1];
+ __le16 last_seq_ctrl[IEEE80211_NUM_TIDS + 1];
--- a/net/mac80211/rx.c
+++ b/net/mac80211/rx.c
-@@ -1263,6 +1263,7 @@ ieee80211_rx_h_sta_process(struct ieee80
+@@ -1375,6 +1375,7 @@ ieee80211_rx_h_sta_process(struct ieee80
struct sk_buff *skb = rx->skb;
struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
if (!sta)
return RX_CONTINUE;
-@@ -1307,6 +1308,19 @@ ieee80211_rx_h_sta_process(struct ieee80
+@@ -1425,6 +1426,19 @@ ieee80211_rx_h_sta_process(struct ieee80
ewma_add(&sta->avg_signal, -status->signal);
}
* exchange sequence.
--- a/net/mac80211/sta_info.c
+++ b/net/mac80211/sta_info.c
-@@ -256,6 +256,8 @@ struct sta_info *sta_info_alloc(struct i
+@@ -324,6 +324,8 @@ struct sta_info *sta_info_alloc(struct i
do_posix_clock_monotonic_gettime(&uptime);
sta->last_connected = uptime.tv_sec;
ewma_init(&sta->avg_signal, 1024, 8);
kfree(sta);
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
-@@ -527,6 +527,8 @@ struct station_parameters {
+@@ -653,6 +653,8 @@ struct station_parameters {
* @STATION_INFO_STA_FLAGS: @sta_flags filled
* @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled
* @STATION_INFO_T_OFFSET: @t_offset filled
*/
enum station_info_flags {
STATION_INFO_INACTIVE_TIME = 1<<0,
-@@ -550,6 +552,8 @@ enum station_info_flags {
+@@ -676,6 +678,8 @@ enum station_info_flags {
STATION_INFO_STA_FLAGS = 1<<18,
STATION_INFO_BEACON_LOSS_COUNT = 1<<19,
STATION_INFO_T_OFFSET = 1<<20,
};
/**
-@@ -631,6 +635,9 @@ struct sta_bss_parameters {
- NOTE: For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
- * @signal_avg: avg signal strength, type depends on the wiphy's signal_type
- NOTE: For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
+@@ -769,6 +773,9 @@ 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
-@@ -663,6 +670,11 @@ struct station_info {
+@@ -801,6 +808,11 @@ struct station_info {
u8 plink_state;
s8 signal;
s8 signal_avg;
u8 rs_num_delims;
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
-@@ -951,6 +951,7 @@ static int ath9k_rx_skb_preprocess(struc
+@@ -955,6 +955,7 @@ static int ath9k_rx_skb_preprocess(struc
bool *decrypt_error)
{
struct ath_hw *ah = common->ah;
/*
* everything but the rate is checked here, the rate check is done
-@@ -976,6 +977,20 @@ static int ath9k_rx_skb_preprocess(struc
+@@ -980,6 +981,20 @@ static int ath9k_rx_skb_preprocess(struc
if (rx_stats->rs_moreaggr)
rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
-@@ -458,12 +458,12 @@ int ath9k_hw_process_rxdesc_edma(struct
+@@ -475,12 +475,12 @@ int ath9k_hw_process_rxdesc_edma(struct
/* XXX: Keycache */
rxs->rs_rssi = MS(rxsp->status5, AR_RxRSSICombined);
if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
-@@ -998,12 +998,12 @@ void ath_debug_stat_rx(struct ath_softc
+@@ -939,12 +939,12 @@ void ath_debug_stat_rx(struct ath_softc
#ifdef CONFIG_ATH9K_MAC_DEBUG
spin_lock(&sc->debug.samp_lock);
RX_SAMP_DBG(jiffies) = jiffies;
RX_SAMP_DBG(antenna) = rs->rs_antenna;
RX_SAMP_DBG(rssi) = rs->rs_rssi;
RX_SAMP_DBG(rate) = rs->rs_rate;
---- a/include/linux/nl80211.h
-+++ b/include/linux/nl80211.h
-@@ -1699,6 +1699,8 @@ enum nl80211_sta_bss_param {
+--- a/include/uapi/linux/nl80211.h
++++ b/include/uapi/linux/nl80211.h
+@@ -1834,6 +1834,8 @@ enum nl80211_sta_bss_param {
* @NL80211_STA_INFO_STA_FLAGS: Contains a struct nl80211_sta_flag_update.
* @NL80211_STA_INFO_BEACON_LOSS: count of times beacon loss was detected (u32)
* @NL80211_STA_INFO_T_OFFSET: timing offset with respect to this STA (s64)
* @__NL80211_STA_INFO_AFTER_LAST: internal
* @NL80211_STA_INFO_MAX: highest possible station info attribute
*/
-@@ -1723,6 +1725,8 @@ enum nl80211_sta_info {
+@@ -1858,6 +1860,8 @@ enum nl80211_sta_info {
NL80211_STA_INFO_STA_FLAGS,
NL80211_STA_INFO_BEACON_LOSS,
NL80211_STA_INFO_T_OFFSET,
__NL80211_STA_INFO_AFTER_LAST,
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
-@@ -2553,6 +2553,33 @@ nla_put_failure:
- return false;
+@@ -2910,6 +2910,32 @@ static bool nl80211_put_sta_rate(struct
+ return true;
}
+static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
+
+ attr = nla_nest_start(msg, id);
+ if (!attr)
-+ goto nla_put_failure;
++ return false;
+
+ for (i = 0; i < 4; i++) {
+ if (!(mask & BIT(i)))
+ continue;
+
-+ NLA_PUT_U8(msg, i, signal[i]);
++ if (nla_put_u8(msg, i, signal[i]))
++ return false;
+ }
+
+ nla_nest_end(msg, attr);
+
+ return true;
-+nla_put_failure:
-+ return false;
+}
+
- static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
+ static int nl80211_send_station(struct sk_buff *msg, u32 portid, u32 seq,
int flags,
struct cfg80211_registered_device *rdev,
-@@ -2614,6 +2641,18 @@ static int nl80211_send_station(struct s
+@@ -2971,6 +2997,18 @@ static int nl80211_send_station(struct s
default:
break;
}
NL80211_STA_INFO_TX_BITRATE))
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
-@@ -354,6 +354,7 @@ static void sta_set_sinfo(struct sta_inf
- {
+@@ -435,6 +435,7 @@ static void sta_set_sinfo(struct sta_inf
struct ieee80211_sub_if_data *sdata = sta->sdata;
+ struct ieee80211_local *local = sdata->local;
struct timespec uptime;
+ int i;
sinfo->generation = sdata->local->sta_generation;
-@@ -391,6 +392,17 @@ static void sta_set_sinfo(struct sta_inf
- sinfo->signal = (s8)sta->last_signal;
+@@ -474,6 +475,17 @@ static void sta_set_sinfo(struct sta_inf
+ sinfo->signal = (s8)sta->last_signal;
sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
}
+ if (sta->chains) {
+ }
sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
-
+ sta_set_rate_info_rx(sta, &sinfo->rxrate);
--- a/drivers/net/wireless/ath/ath9k/dfs.c
+++ b/drivers/net/wireless/ath/ath9k/dfs.c
@@ -164,8 +164,8 @@ void ath9k_dfs_process_phyerr(struct ath
* hardware stores this as 8 bit signed value.
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
-@@ -529,14 +529,14 @@ void ath_ant_comb_scan(struct ath_softc
+@@ -546,14 +546,14 @@ void ath_ant_comb_scan(struct ath_softc
struct ath_ant_comb *antcomb = &sc->ant_comb;
int alt_ratio = 0, alt_rssi_avg = 0, main_rssi_avg = 0, curr_alt_set;
int curr_main_set;