fb17dc566a23e6acf2f885343685559271b5edeb
[openwrt.git] / package / mac80211 / patches / 570-ath9k_remove_noiseFloor.patch
1 --- a/drivers/net/wireless/ath/ath9k/ani.h
2 +++ b/drivers/net/wireless/ath/ath9k/ani.h
3 @@ -128,7 +128,6 @@ struct ar5416AniState {
4         u32 listenTime;
5         int32_t rssiThrLow;
6         int32_t rssiThrHigh;
7 -       u32 noiseFloor;
8         u32 ofdmPhyErrCount;
9         u32 cckPhyErrCount;
10         int16_t pktRssi[2];
11 --- a/drivers/net/wireless/ath/ath9k/ani.c
12 +++ b/drivers/net/wireless/ath/ath9k/ani.c
13 @@ -266,11 +266,9 @@ static void ath9k_hw_set_ofdm_nil(struct
14         const struct ani_ofdm_level_entry *entry_ofdm;
15         const struct ani_cck_level_entry *entry_cck;
16  
17 -       aniState->noiseFloor = BEACON_RSSI(ah);
18 -
19         ath_dbg(common, ANI, "**** ofdmlevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
20                 aniState->ofdmNoiseImmunityLevel,
21 -               immunityLevel, aniState->noiseFloor,
22 +               immunityLevel, BEACON_RSSI(ah),
23                 aniState->rssiThrLow, aniState->rssiThrHigh);
24  
25         if (aniState->update_ani)
26 @@ -292,7 +290,7 @@ static void ath9k_hw_set_ofdm_nil(struct
27                                      ATH9K_ANI_FIRSTEP_LEVEL,
28                                      entry_ofdm->fir_step_level);
29  
30 -       if ((aniState->noiseFloor >= aniState->rssiThrHigh) &&
31 +       if (BEACON_RSSI(ah) >= aniState->rssiThrHigh &&
32             (!aniState->ofdmWeakSigDetectOff !=
33              entry_ofdm->ofdm_weak_signal_on)) {
34                         ath9k_hw_ani_control(ah,
35 @@ -329,15 +327,14 @@ static void ath9k_hw_set_cck_nil(struct 
36         const struct ani_ofdm_level_entry *entry_ofdm;
37         const struct ani_cck_level_entry *entry_cck;
38  
39 -       aniState->noiseFloor = BEACON_RSSI(ah);
40         ath_dbg(common, ANI, "**** ccklevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
41                 aniState->cckNoiseImmunityLevel, immunityLevel,
42 -               aniState->noiseFloor, aniState->rssiThrLow,
43 +               BEACON_RSSI(ah), aniState->rssiThrLow,
44                 aniState->rssiThrHigh);
45  
46         if ((ah->opmode == NL80211_IFTYPE_STATION ||
47              ah->opmode == NL80211_IFTYPE_ADHOC) &&
48 -           aniState->noiseFloor <= aniState->rssiThrLow &&
49 +           BEACON_RSSI(ah) <= aniState->rssiThrLow &&
50             immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
51                 immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
52