mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 18:37:21 +02:00
de017af48d
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33331 3c298f89-4303-0410-b956-a3cf2f4a3e73
385 lines
12 KiB
Diff
385 lines
12 KiB
Diff
--- a/include/net/mac80211.h
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+++ b/include/net/mac80211.h
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@@ -729,6 +729,9 @@ enum mac80211_rx_flags {
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* @signal: signal strength when receiving this frame, either in dBm, in dB or
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* unspecified depending on the hardware capabilities flags
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* @IEEE80211_HW_SIGNAL_*
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+ * @chains: bitmask of receive chains for which separate signal strength
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+ * values were filled.
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+ * @chain_signal: per-chain signal strength, same format as @signal
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* @antenna: antenna used
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* @rate_idx: index of data rate into band's supported rates or MCS index if
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* HT rates are use (RX_FLAG_HT)
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@@ -749,6 +752,8 @@ struct ieee80211_rx_status {
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u8 band;
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u8 antenna;
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s8 signal;
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+ u8 chains;
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+ s8 chain_signal[4];
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u8 ampdu_delimiter_crc;
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};
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--- a/net/mac80211/sta_info.h
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+++ b/net/mac80211/sta_info.h
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@@ -325,6 +325,11 @@ struct sta_info {
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unsigned long rx_dropped;
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int last_signal;
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struct ewma avg_signal;
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+
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+ u8 chains;
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+ s8 chain_signal_last[4];
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+ struct ewma chain_signal_avg[4];
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+
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/* Plus 1 for non-QoS frames */
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__le16 last_seq_ctrl[NUM_RX_DATA_QUEUES + 1];
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--- a/net/mac80211/rx.c
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+++ b/net/mac80211/rx.c
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@@ -1271,6 +1271,7 @@ ieee80211_rx_h_sta_process(struct ieee80
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struct sk_buff *skb = rx->skb;
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struct ieee80211_rx_status *status = IEEE80211_SKB_RXCB(skb);
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struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
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+ int i;
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if (!sta)
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return RX_CONTINUE;
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@@ -1315,6 +1316,19 @@ ieee80211_rx_h_sta_process(struct ieee80
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ewma_add(&sta->avg_signal, -status->signal);
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}
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+ if (status->chains) {
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+ sta->chains = status->chains;
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+ for (i = 0; i < 4; i++) {
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+ int signal = status->chain_signal[i];
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+
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+ if (!(status->chains & BIT(i)))
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+ continue;
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+
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+ sta->chain_signal_last[i] = signal;
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+ ewma_add(&sta->chain_signal_avg[i], -signal);
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+ }
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+ }
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+
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/*
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* Change STA power saving mode only at the end of a frame
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* exchange sequence.
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--- a/net/mac80211/sta_info.c
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+++ b/net/mac80211/sta_info.c
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@@ -254,6 +254,8 @@ struct sta_info *sta_info_alloc(struct i
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do_posix_clock_monotonic_gettime(&uptime);
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sta->last_connected = uptime.tv_sec;
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ewma_init(&sta->avg_signal, 1024, 8);
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+ for (i = 0; i < ARRAY_SIZE(sta->chain_signal_avg); i++)
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+ ewma_init(&sta->chain_signal_avg[i], 1024, 8);
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if (sta_prepare_rate_control(local, sta, gfp)) {
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kfree(sta);
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--- a/include/net/cfg80211.h
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+++ b/include/net/cfg80211.h
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@@ -549,6 +549,8 @@ struct station_parameters {
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* @STATION_INFO_STA_FLAGS: @sta_flags filled
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* @STATION_INFO_BEACON_LOSS_COUNT: @beacon_loss_count filled
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* @STATION_INFO_T_OFFSET: @t_offset filled
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+ * @STATION_INFO_CHAIN_SIGNAL: @chain_signal filled
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+ * @STATION_INFO_CHAIN_SIGNAL_AVG: @chain_signal_avg filled
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*/
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enum station_info_flags {
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STATION_INFO_INACTIVE_TIME = 1<<0,
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@@ -572,6 +574,8 @@ enum station_info_flags {
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STATION_INFO_STA_FLAGS = 1<<18,
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STATION_INFO_BEACON_LOSS_COUNT = 1<<19,
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STATION_INFO_T_OFFSET = 1<<20,
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+ STATION_INFO_CHAIN_SIGNAL = 1<<21,
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+ STATION_INFO_CHAIN_SIGNAL_AVG = 1<<22,
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};
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/**
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@@ -655,6 +659,9 @@ struct sta_bss_parameters {
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* For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
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* @signal_avg: Average signal strength, type depends on the wiphy's signal_type.
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* For CFG80211_SIGNAL_TYPE_MBM, value is expressed in _dBm_.
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+ * @chains: bitmask for filled values in @chain_signal, @chain_signal_avg
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+ * @chain_signal: per-chain signal strength of last received packet in dBm
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+ * @chain_signal_avg: per-chain signal strength average in dBm
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* @txrate: current unicast bitrate from this station
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* @rxrate: current unicast bitrate to this station
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* @rx_packets: packets received from this station
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@@ -687,6 +694,11 @@ struct station_info {
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u8 plink_state;
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s8 signal;
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s8 signal_avg;
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+
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+ u8 chains;
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+ s8 chain_signal[4];
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+ s8 chain_signal_avg[4];
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+
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struct rate_info txrate;
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struct rate_info rxrate;
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u32 rx_packets;
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--- a/drivers/net/wireless/ath/ath9k/mac.h
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+++ b/drivers/net/wireless/ath/ath9k/mac.h
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@@ -133,12 +133,8 @@ struct ath_rx_status {
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u8 rs_rate;
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u8 rs_antenna;
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u8 rs_more;
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- int8_t rs_rssi_ctl0;
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- int8_t rs_rssi_ctl1;
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- int8_t rs_rssi_ctl2;
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- int8_t rs_rssi_ext0;
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- int8_t rs_rssi_ext1;
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- int8_t rs_rssi_ext2;
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+ int8_t rs_rssi_ctl[3];
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+ int8_t rs_rssi_ext[3];
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u8 rs_isaggr;
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u8 rs_moreaggr;
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u8 rs_num_delims;
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--- a/drivers/net/wireless/ath/ath9k/recv.c
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+++ b/drivers/net/wireless/ath/ath9k/recv.c
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@@ -955,6 +955,7 @@ static int ath9k_rx_skb_preprocess(struc
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bool *decrypt_error)
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{
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struct ath_hw *ah = common->ah;
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+ int i, j;
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/*
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* everything but the rate is checked here, the rate check is done
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@@ -980,6 +981,20 @@ static int ath9k_rx_skb_preprocess(struc
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if (rx_stats->rs_moreaggr)
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rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL;
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+ for (i = 0, j = 0; i < ARRAY_SIZE(rx_stats->rs_rssi_ctl); i++) {
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+ s8 rssi;
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+
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+ if (!(ah->rxchainmask & BIT(i)))
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+ continue;
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+
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+ rssi = rx_stats->rs_rssi_ctl[i];
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+ if (rssi != ATH9K_RSSI_BAD) {
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+ rx_status->chains |= BIT(j);
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+ rx_status->chain_signal[j] = ah->noise + rssi;
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+ }
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+ j++;
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+ }
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+
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return 0;
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}
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--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
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+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
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@@ -458,12 +458,12 @@ int ath9k_hw_process_rxdesc_edma(struct
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/* XXX: Keycache */
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rxs->rs_rssi = MS(rxsp->status5, AR_RxRSSICombined);
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- rxs->rs_rssi_ctl0 = MS(rxsp->status1, AR_RxRSSIAnt00);
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- rxs->rs_rssi_ctl1 = MS(rxsp->status1, AR_RxRSSIAnt01);
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- rxs->rs_rssi_ctl2 = MS(rxsp->status1, AR_RxRSSIAnt02);
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- rxs->rs_rssi_ext0 = MS(rxsp->status5, AR_RxRSSIAnt10);
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- rxs->rs_rssi_ext1 = MS(rxsp->status5, AR_RxRSSIAnt11);
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- rxs->rs_rssi_ext2 = MS(rxsp->status5, AR_RxRSSIAnt12);
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+ rxs->rs_rssi_ctl[0] = MS(rxsp->status1, AR_RxRSSIAnt00);
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+ rxs->rs_rssi_ctl[1] = MS(rxsp->status1, AR_RxRSSIAnt01);
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+ rxs->rs_rssi_ctl[2] = MS(rxsp->status1, AR_RxRSSIAnt02);
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+ rxs->rs_rssi_ext[0] = MS(rxsp->status5, AR_RxRSSIAnt10);
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+ rxs->rs_rssi_ext[1] = MS(rxsp->status5, AR_RxRSSIAnt11);
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+ rxs->rs_rssi_ext[2] = MS(rxsp->status5, AR_RxRSSIAnt12);
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if (rxsp->status11 & AR_RxKeyIdxValid)
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rxs->rs_keyix = MS(rxsp->status11, AR_KeyIdx);
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--- a/drivers/net/wireless/ath/ath9k/mac.c
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+++ b/drivers/net/wireless/ath/ath9k/mac.c
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@@ -553,25 +553,25 @@ int ath9k_hw_rxprocdesc(struct ath_hw *a
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if (ads.ds_rxstatus8 & AR_PostDelimCRCErr) {
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rs->rs_rssi = ATH9K_RSSI_BAD;
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- rs->rs_rssi_ctl0 = ATH9K_RSSI_BAD;
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- rs->rs_rssi_ctl1 = ATH9K_RSSI_BAD;
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- rs->rs_rssi_ctl2 = ATH9K_RSSI_BAD;
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- rs->rs_rssi_ext0 = ATH9K_RSSI_BAD;
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- rs->rs_rssi_ext1 = ATH9K_RSSI_BAD;
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- rs->rs_rssi_ext2 = ATH9K_RSSI_BAD;
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+ rs->rs_rssi_ctl[0] = ATH9K_RSSI_BAD;
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+ rs->rs_rssi_ctl[1] = ATH9K_RSSI_BAD;
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+ rs->rs_rssi_ctl[2] = ATH9K_RSSI_BAD;
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+ rs->rs_rssi_ext[0] = ATH9K_RSSI_BAD;
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+ rs->rs_rssi_ext[1] = ATH9K_RSSI_BAD;
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+ rs->rs_rssi_ext[2] = ATH9K_RSSI_BAD;
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} else {
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rs->rs_rssi = MS(ads.ds_rxstatus4, AR_RxRSSICombined);
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- rs->rs_rssi_ctl0 = MS(ads.ds_rxstatus0,
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+ rs->rs_rssi_ctl[0] = MS(ads.ds_rxstatus0,
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AR_RxRSSIAnt00);
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- rs->rs_rssi_ctl1 = MS(ads.ds_rxstatus0,
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+ rs->rs_rssi_ctl[1] = MS(ads.ds_rxstatus0,
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AR_RxRSSIAnt01);
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- rs->rs_rssi_ctl2 = MS(ads.ds_rxstatus0,
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+ rs->rs_rssi_ctl[2] = MS(ads.ds_rxstatus0,
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AR_RxRSSIAnt02);
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- rs->rs_rssi_ext0 = MS(ads.ds_rxstatus4,
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+ rs->rs_rssi_ext[0] = MS(ads.ds_rxstatus4,
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AR_RxRSSIAnt10);
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- rs->rs_rssi_ext1 = MS(ads.ds_rxstatus4,
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+ rs->rs_rssi_ext[1] = MS(ads.ds_rxstatus4,
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AR_RxRSSIAnt11);
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- rs->rs_rssi_ext2 = MS(ads.ds_rxstatus4,
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+ rs->rs_rssi_ext[2] = MS(ads.ds_rxstatus4,
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AR_RxRSSIAnt12);
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}
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if (ads.ds_rxstatus8 & AR_RxKeyIdxValid)
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--- a/drivers/net/wireless/ath/ath9k/debug.c
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+++ b/drivers/net/wireless/ath/ath9k/debug.c
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@@ -997,12 +997,12 @@ void ath_debug_stat_rx(struct ath_softc
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#ifdef CONFIG_ATH9K_MAC_DEBUG
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spin_lock(&sc->debug.samp_lock);
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RX_SAMP_DBG(jiffies) = jiffies;
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- RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl0;
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- RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl1;
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- RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl2;
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- RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext0;
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- RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext1;
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- RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext2;
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+ RX_SAMP_DBG(rssi_ctl0) = rs->rs_rssi_ctl[0];
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+ RX_SAMP_DBG(rssi_ctl1) = rs->rs_rssi_ctl[1];
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+ RX_SAMP_DBG(rssi_ctl2) = rs->rs_rssi_ctl[2];
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+ RX_SAMP_DBG(rssi_ext0) = rs->rs_rssi_ext[0];
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+ RX_SAMP_DBG(rssi_ext1) = rs->rs_rssi_ext[1];
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+ RX_SAMP_DBG(rssi_ext2) = rs->rs_rssi_ext[2];
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RX_SAMP_DBG(antenna) = rs->rs_antenna;
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RX_SAMP_DBG(rssi) = rs->rs_rssi;
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RX_SAMP_DBG(rate) = rs->rs_rate;
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--- a/include/linux/nl80211.h
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+++ b/include/linux/nl80211.h
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@@ -1760,6 +1760,8 @@ enum nl80211_sta_bss_param {
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* @NL80211_STA_INFO_STA_FLAGS: Contains a struct nl80211_sta_flag_update.
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* @NL80211_STA_INFO_BEACON_LOSS: count of times beacon loss was detected (u32)
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* @NL80211_STA_INFO_T_OFFSET: timing offset with respect to this STA (s64)
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+ * @NL80211_STA_INFO_CHAIN_SIGNAL: per-chain signal strength of last PPDU
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+ * @NL80211_STA_INFO_CHAIN_SIGNAL_AVG: per-chain signal strength average
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* @__NL80211_STA_INFO_AFTER_LAST: internal
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* @NL80211_STA_INFO_MAX: highest possible station info attribute
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*/
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@@ -1784,6 +1786,8 @@ enum nl80211_sta_info {
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NL80211_STA_INFO_STA_FLAGS,
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NL80211_STA_INFO_BEACON_LOSS,
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NL80211_STA_INFO_T_OFFSET,
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+ NL80211_STA_INFO_CHAIN_SIGNAL,
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+ NL80211_STA_INFO_CHAIN_SIGNAL_AVG,
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/* keep last */
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__NL80211_STA_INFO_AFTER_LAST,
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--- a/net/wireless/nl80211.c
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+++ b/net/wireless/nl80211.c
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@@ -2769,6 +2769,32 @@ nla_put_failure:
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return false;
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}
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+static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal,
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+ int id)
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+{
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+ void *attr;
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+ int i = 0;
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+
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+ if (!mask)
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+ return true;
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+
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+ attr = nla_nest_start(msg, id);
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+ if (!attr)
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+ return false;
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+
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+ for (i = 0; i < 4; i++) {
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+ if (!(mask & BIT(i)))
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+ continue;
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+
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+ if (nla_put_u8(msg, i, signal[i]))
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+ return false;
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+ }
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+
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+ nla_nest_end(msg, attr);
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+
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+ return true;
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+}
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+
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static int nl80211_send_station(struct sk_buff *msg, u32 pid, u32 seq,
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int flags,
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struct cfg80211_registered_device *rdev,
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@@ -2830,6 +2856,18 @@ static int nl80211_send_station(struct s
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default:
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break;
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}
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+ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL) {
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+ if (!nl80211_put_signal(msg, sinfo->chains,
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+ sinfo->chain_signal,
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+ NL80211_STA_INFO_CHAIN_SIGNAL))
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+ goto nla_put_failure;
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+ }
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+ if (sinfo->filled & STATION_INFO_CHAIN_SIGNAL_AVG) {
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+ if (!nl80211_put_signal(msg, sinfo->chains,
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+ sinfo->chain_signal_avg,
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+ NL80211_STA_INFO_CHAIN_SIGNAL_AVG))
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+ goto nla_put_failure;
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+ }
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if (sinfo->filled & STATION_INFO_TX_BITRATE) {
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if (!nl80211_put_sta_rate(msg, &sinfo->txrate,
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NL80211_STA_INFO_TX_BITRATE))
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--- a/net/mac80211/cfg.c
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+++ b/net/mac80211/cfg.c
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@@ -367,6 +367,7 @@ static void sta_set_sinfo(struct sta_inf
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struct ieee80211_sub_if_data *sdata = sta->sdata;
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struct ieee80211_local *local = sdata->local;
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struct timespec uptime;
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+ int i;
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sinfo->generation = sdata->local->sta_generation;
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@@ -406,6 +407,17 @@ static void sta_set_sinfo(struct sta_inf
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sinfo->signal = (s8)sta->last_signal;
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sinfo->signal_avg = (s8) -ewma_read(&sta->avg_signal);
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}
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+ if (sta->chains) {
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+ sinfo->filled |= STATION_INFO_CHAIN_SIGNAL |
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+ STATION_INFO_CHAIN_SIGNAL_AVG;
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+
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+ sinfo->chains = sta->chains;
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+ for (i = 0; i < ARRAY_SIZE(sinfo->chain_signal); i++) {
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+ sinfo->chain_signal[i] = sta->chain_signal_last[i];
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+ sinfo->chain_signal_avg[i] =
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+ (s8) -ewma_read(&sta->chain_signal_avg[i]);
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+ }
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+ }
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sta_set_rate_info_tx(sta, &sta->last_tx_rate, &sinfo->txrate);
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--- a/drivers/net/wireless/ath/ath9k/dfs.c
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+++ b/drivers/net/wireless/ath/ath9k/dfs.c
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@@ -164,8 +164,8 @@ void ath9k_dfs_process_phyerr(struct ath
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return;
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}
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- ard.rssi = rs->rs_rssi_ctl0;
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- ard.ext_rssi = rs->rs_rssi_ext0;
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+ ard.rssi = rs->rs_rssi_ctl[0];
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+ ard.ext_rssi = rs->rs_rssi_ext[0];
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/*
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* hardware stores this as 8 bit signed value.
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--- a/drivers/net/wireless/ath/ath9k/antenna.c
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+++ b/drivers/net/wireless/ath/ath9k/antenna.c
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@@ -529,14 +529,14 @@ void ath_ant_comb_scan(struct ath_softc
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struct ath_ant_comb *antcomb = &sc->ant_comb;
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int alt_ratio = 0, alt_rssi_avg = 0, main_rssi_avg = 0, curr_alt_set;
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int curr_main_set;
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- int main_rssi = rs->rs_rssi_ctl0;
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- int alt_rssi = rs->rs_rssi_ctl1;
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+ int main_rssi = rs->rs_rssi_ctl[0];
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+ int alt_rssi = rs->rs_rssi_ctl[1];
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int rx_ant_conf, main_ant_conf;
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bool short_scan = false;
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- rx_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_CURRENT_SHIFT) &
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+ rx_ant_conf = (rs->rs_rssi_ctl[2] >> ATH_ANT_RX_CURRENT_SHIFT) &
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ATH_ANT_RX_MASK;
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- main_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_MAIN_SHIFT) &
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+ main_ant_conf = (rs->rs_rssi_ctl[2] >> ATH_ANT_RX_MAIN_SHIFT) &
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ATH_ANT_RX_MASK;
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/* Record packet only when both main_rssi and alt_rssi is positive */
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