ath9k: Do a quick scan only when scan_not_start is true

Right now, it is being done for all cases.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

3 files changed, 26 insertions, 9 deletions

diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c
index 664844c5d3d5..f2cd96063a00 100644
--- a/drivers/net/wireless/ath/ath9k/antenna.c
+++ b/drivers/net/wireless/ath/ath9k/antenna.c
@@ -561,10 +561,16 @@ void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
                 antcomb->total_pkt_count++;
                 antcomb->main_total_rssi += main_rssi;
                 antcomb->alt_total_rssi  += alt_rssi;
-                if (main_ant_conf == rx_ant_conf)
+
+                if (main_ant_conf == rx_ant_conf) {
                         antcomb->main_recv_cnt++;
-                else
+                        ANT_STAT_INC(ANT_MAIN, recv_cnt);
+                        ANT_LNA_INC(ANT_MAIN, rx_ant_conf);
+                } else {
                         antcomb->alt_recv_cnt++;
+                        ANT_STAT_INC(ANT_ALT, recv_cnt);
+                        ANT_LNA_INC(ANT_ALT, rx_ant_conf);
+                }
         }
 
         /* Short scan check */
@@ -753,14 +759,12 @@ void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs)
                         }
                         goto div_comb_done;
                 }
+                ath_select_ant_div_from_quick_scan(antcomb, &div_ant_conf,
+                                                   main_rssi_avg, alt_rssi_avg,
+                                                   alt_ratio);
+                antcomb->quick_scan_cnt++;
         }
 
-        ath_select_ant_div_from_quick_scan(antcomb, &div_ant_conf,
-                                           main_rssi_avg, alt_rssi_avg,
-                                           alt_ratio);
-
-        antcomb->quick_scan_cnt++;
-
 div_comb_done:
         ath_ant_div_conf_fast_divbias(&div_ant_conf, antcomb, alt_ratio);
         ath9k_hw_antdiv_comb_conf_set(sc->sc_ah, &div_ant_conf);
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 76e38d3540c0..ed8f8efb6ecf 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -609,7 +609,7 @@ struct ath_ant_comb {
         int rssi_third;
         bool alt_good;
         int quick_scan_cnt;
-        int main_conf;
+        enum ath9k_ant_div_comb_lna_conf main_conf;
         enum ath9k_ant_div_comb_lna_conf first_quick_scan_conf;
         enum ath9k_ant_div_comb_lna_conf second_quick_scan_conf;
         bool first_ratio;
diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h
index fc679198a0f3..a879e451dc46 100644
--- a/drivers/net/wireless/ath/ath9k/debug.h
+++ b/drivers/net/wireless/ath/ath9k/debug.h
@@ -28,9 +28,13 @@ struct fft_sample_tlv;
 #ifdef CONFIG_ATH9K_DEBUGFS
 #define TX_STAT_INC(q, c) sc->debug.stats.txstats[q].c++
 #define RESET_STAT_INC(sc, type) sc->debug.stats.reset[type]++
+#define ANT_STAT_INC(i, c) sc->debug.stats.ant_stats[i].c++
+#define ANT_LNA_INC(i, c) sc->debug.stats.ant_stats[i].lna_config_cnt[c]++;
 #else
 #define TX_STAT_INC(q, c) do { } while (0)
 #define RESET_STAT_INC(sc, type) do { } while (0)
+#define ANT_STAT_INC(i, c) do { } while (0)
+#define ANT_LNA_INC(i, c) do { } while (0)
 #endif
 
 enum ath_reset_type {
@@ -243,11 +247,20 @@ struct ath_rx_stats {
         u32 rx_spectral;
 };
 
+#define ANT_MAIN 0
+#define ANT_ALT  1
+
+struct ath_antenna_stats {
+        u32 recv_cnt;
+        u32 lna_config_cnt[4];
+};
+
 struct ath_stats {
         struct ath_interrupt_stats istats;
         struct ath_tx_stats txstats[ATH9K_NUM_TX_QUEUES];
         struct ath_rx_stats rxstats;
         struct ath_dfs_stats dfs_stats;
+        struct ath_antenna_stats ant_stats[2];
         u32 reset[__RESET_TYPE_MAX];
 };