package/mac80211/patches/564-ath9k_fix_ani_update.patch

   1 --- a/drivers/net/wireless/ath/ath9k/ani.c
   2 +++ b/drivers/net/wireless/ath/ath9k/ani.c
   3 @@ -140,7 +140,8 @@ static void ath9k_ani_restart(struct ath
   4  }
   5
   6  /* Adjust the OFDM Noise Immunity Level */
   7 -static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel)
   8 +static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel,
   9 +                                 bool scan)
  10  {
  11         struct ar5416AniState *aniState = &ah->curchan->ani;
  12         struct ath_common *common = ath9k_hw_common(ah);
  13 @@ -153,7 +154,7 @@ static void ath9k_hw_set_ofdm_nil(struct
  14                 immunityLevel, BEACON_RSSI(ah),
  15                 aniState->rssiThrLow, aniState->rssiThrHigh);
  16
  17 -       if (aniState->update_ani)
  18 +       if (!scan)
  19                 aniState->ofdmNoiseImmunityLevel = immunityLevel;
  20
  21         entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
  22 @@ -199,13 +200,14 @@ static void ath9k_hw_ani_ofdm_err_trigge
  23         aniState = &ah->curchan->ani;
  24
  25         if (aniState->ofdmNoiseImmunityLevel < ATH9K_ANI_OFDM_MAX_LEVEL)
  26 -               ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel + 1);
  27 +               ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel + 1, false);
  28  }
  29
  30  /*
  31   * Set the ANI settings to match an CCK level.
  32   */
  33 -static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel)
  34 +static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel,
  35 +                                bool scan)
  36  {
  37         struct ar5416AniState *aniState = &ah->curchan->ani;
  38         struct ath_common *common = ath9k_hw_common(ah);
  39 @@ -222,7 +224,7 @@ static void ath9k_hw_set_cck_nil(struct
  40             immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
  41                 immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
  42
  43 -       if (aniState->update_ani)
  44 +       if (!scan)
  45                 aniState->cckNoiseImmunityLevel = immunityLevel;
  46
  47         entry_ofdm = &ofdm_level_table[aniState->ofdmNoiseImmunityLevel];
  48 @@ -254,7 +256,8 @@ static void ath9k_hw_ani_cck_err_trigger
  49         aniState = &ah->curchan->ani;
  50
  51         if (aniState->cckNoiseImmunityLevel < ATH9K_ANI_CCK_MAX_LEVEL)
  52 -               ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1);
  53 +               ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel + 1,
  54 +                                    false);
  55  }
  56
  57  /*
  58 @@ -270,13 +273,15 @@ static void ath9k_hw_ani_lower_immunity(
  59         /* lower OFDM noise immunity */
  60         if (aniState->ofdmNoiseImmunityLevel > 0 &&
  61             (aniState->ofdmsTurn || aniState->cckNoiseImmunityLevel == 0)) {
  62 -               ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel - 1);
  63 +               ath9k_hw_set_ofdm_nil(ah, aniState->ofdmNoiseImmunityLevel - 1,
  64 +                                     false);
  65                 return;
  66         }
  67
  68         /* lower CCK noise immunity */
  69         if (aniState->cckNoiseImmunityLevel > 0)
  70 -               ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel - 1);
  71 +               ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel - 1,
  72 +                                    false);
  73  }
  74
  75  /*
  76 @@ -338,7 +343,6 @@ void ath9k_ani_reset(struct ath_hw *ah,
  77                                 aniState->ofdmNoiseImmunityLevel,
  78                                 aniState->cckNoiseImmunityLevel);
  79
  80 -                       aniState->update_ani = false;
  81                         ofdm_nil = ATH9K_ANI_OFDM_DEF_LEVEL;
  82                         cck_nil = ATH9K_ANI_CCK_DEF_LEVEL;
  83                 }
  84 @@ -354,11 +358,9 @@ void ath9k_ani_reset(struct ath_hw *ah,
  85                         is_scanning,
  86                         aniState->ofdmNoiseImmunityLevel,
  87                         aniState->cckNoiseImmunityLevel);
  88 -
  89 -                       aniState->update_ani = true;
  90         }
  91 -       ath9k_hw_set_ofdm_nil(ah, ofdm_nil);
  92 -       ath9k_hw_set_cck_nil(ah, cck_nil);
  93 +       ath9k_hw_set_ofdm_nil(ah, ofdm_nil, is_scanning);
  94 +       ath9k_hw_set_cck_nil(ah, cck_nil, is_scanning);
  95
  96         /*
  97          * enable phy counters if hw supports or if not, enable phy
  98 @@ -538,7 +540,6 @@ void ath9k_hw_ani_init(struct ath_hw *ah
  99                 ani->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
 100                 ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL;
 101                 ani->ofdmNoiseImmunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL;
 102 -               ani->update_ani = false;
 103         }
 104
 105         /*
 106 --- a/drivers/net/wireless/ath/ath9k/ani.h
 107 +++ b/drivers/net/wireless/ath/ath9k/ani.h
 108 @@ -116,7 +116,6 @@ struct ar5416AniState {
 109         u8 firstepLevel;
 110         u8 ofdmWeakSigDetect;
 111         u8 cckWeakSigThreshold;
 112 -       bool update_ani;
 113         u32 listenTime;
 114         int32_t rssiThrLow;
 115         int32_t rssiThrHigh;