1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 647d826bf5fb..6a2a96761111 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -198,6 +198,7 @@
 #define AR5K_TUNE_CWMAX_11B                     1023
 #define AR5K_TUNE_CWMAX_XR                      7
 #define AR5K_TUNE_NOISE_FLOOR                   -72
+#define AR5K_TUNE_CCA_MAX_GOOD_VALUE            -95
 #define AR5K_TUNE_MAX_TXPOWER                   63
 #define AR5K_TUNE_DEFAULT_TXPOWER               25
 #define AR5K_TUNE_TPC_TXPOWER                   false
@@ -1006,6 +1007,14 @@ struct ath5k_capabilities {
         } cap_queues;
 };
 
+/* size of noise floor history (keep it a power of two) */
+#define ATH5K_NF_CAL_HIST_MAX   8
+struct ath5k_nfcal_hist
+{
+        s16 index;                              /* current index into nfval */
+        s16 nfval[ATH5K_NF_CAL_HIST_MAX];       /* last few noise floors */
+};
+
 
 /***************************************\
   HARDWARE ABSTRACTION LAYER STRUCTURE
@@ -1112,6 +1121,8 @@ struct ath5k_hw {
                 struct ieee80211_channel r_last_channel;
         } ah_radar;
 
+        struct ath5k_nfcal_hist ah_nfcal_hist;
+
         /* noise floor from last periodic calibration */
         s32                     ah_noise_floor;
 
@@ -1274,8 +1285,10 @@ extern int ath5k_hw_rfgain_opt_init(struct ath5k_hw *ah);
 extern bool ath5k_channel_ok(struct ath5k_hw *ah, u16 freq, unsigned int flags);
 extern int ath5k_hw_channel(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 /* PHY calibration */
+void ath5k_hw_init_nfcal_hist(struct ath5k_hw *ah);
 extern int ath5k_hw_phy_calibrate(struct ath5k_hw *ah, struct ieee80211_channel *channel);
 extern int ath5k_hw_noise_floor_calibration(struct ath5k_hw *ah, short freq);
+extern s16 ath5k_hw_get_noise_floor(struct ath5k_hw *ah);
 extern void ath5k_hw_calibration_poll(struct ath5k_hw *ah);
 /* Spur mitigation */
 bool ath5k_hw_chan_has_spur_noise(struct ath5k_hw *ah,