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authorFelix Fietkau <nbd@openwrt.org>2013-01-20 17:51:58 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2013-01-22 21:05:31 (GMT)
commit9dbac67da314ccdab3bb7f429b4936e59d5389b7 (patch)
tree6a803a71bbdf81c6cca850be702b56d50e9ef1a2
parentf5ffe23aa0a8f6512952cf393daf86cbd6e4685d (diff)
downloadlinux-9dbac67da314ccdab3bb7f429b4936e59d5389b7.tar.xz
ath9k_hw: reduce struct ar5416AniState size
It is kept per-channel, so removing unnecessary (or constant) fields from it can save quite a bit of memory. Signed-off-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/ath/ath9k/ani.c13
-rw-r--r--drivers/net/wireless/ath/ath9k/ani.h7
2 files changed, 6 insertions, 14 deletions
diff --git a/drivers/net/wireless/ath/ath9k/ani.c b/drivers/net/wireless/ath/ath9k/ani.c
index 2978287..a9218a1 100644
--- a/drivers/net/wireless/ath/ath9k/ani.c
+++ b/drivers/net/wireless/ath/ath9k/ani.c
@@ -152,7 +152,8 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel,
ath_dbg(common, ANI, "**** ofdmlevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->ofdmNoiseImmunityLevel,
immunityLevel, BEACON_RSSI(ah),
- aniState->rssiThrLow, aniState->rssiThrHigh);
+ ATH9K_ANI_RSSI_THR_LOW,
+ ATH9K_ANI_RSSI_THR_HIGH);
if (!scan)
aniState->ofdmNoiseImmunityLevel = immunityLevel;
@@ -173,7 +174,7 @@ static void ath9k_hw_set_ofdm_nil(struct ath_hw *ah, u8 immunityLevel,
weak_sig = entry_ofdm->ofdm_weak_signal_on;
if (ah->opmode == NL80211_IFTYPE_STATION &&
- BEACON_RSSI(ah) <= aniState->rssiThrHigh)
+ BEACON_RSSI(ah) <= ATH9K_ANI_RSSI_THR_HIGH)
weak_sig = true;
if (aniState->ofdmWeakSigDetect != weak_sig)
@@ -216,11 +217,11 @@ static void ath9k_hw_set_cck_nil(struct ath_hw *ah, u_int8_t immunityLevel,
ath_dbg(common, ANI, "**** ccklevel %d=>%d, rssi=%d[lo=%d hi=%d]\n",
aniState->cckNoiseImmunityLevel, immunityLevel,
- BEACON_RSSI(ah), aniState->rssiThrLow,
- aniState->rssiThrHigh);
+ BEACON_RSSI(ah), ATH9K_ANI_RSSI_THR_LOW,
+ ATH9K_ANI_RSSI_THR_HIGH);
if (ah->opmode == NL80211_IFTYPE_STATION &&
- BEACON_RSSI(ah) <= aniState->rssiThrLow &&
+ BEACON_RSSI(ah) <= ATH9K_ANI_RSSI_THR_LOW &&
immunityLevel > ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI)
immunityLevel = ATH9K_ANI_CCK_MAX_LEVEL_LOW_RSSI;
@@ -514,8 +515,6 @@ void ath9k_hw_ani_init(struct ath_hw *ah)
ani->ofdmsTurn = true;
- ani->rssiThrHigh = ATH9K_ANI_RSSI_THR_HIGH;
- ani->rssiThrLow = ATH9K_ANI_RSSI_THR_LOW;
ani->ofdmWeakSigDetect = ATH9K_ANI_USE_OFDM_WEAK_SIG;
ani->cckNoiseImmunityLevel = ATH9K_ANI_CCK_DEF_LEVEL;
ani->ofdmNoiseImmunityLevel = ATH9K_ANI_OFDM_DEF_LEVEL;
diff --git a/drivers/net/wireless/ath/ath9k/ani.h b/drivers/net/wireless/ath/ath9k/ani.h
index 385bdba..dddb136 100644
--- a/drivers/net/wireless/ath/ath9k/ani.h
+++ b/drivers/net/wireless/ath/ath9k/ani.h
@@ -104,7 +104,6 @@ struct ath9k_ani_default {
};
struct ar5416AniState {
- struct ath9k_channel *c;
u8 noiseImmunityLevel;
u8 ofdmNoiseImmunityLevel;
u8 cckNoiseImmunityLevel;
@@ -113,15 +112,9 @@ struct ar5416AniState {
u8 spurImmunityLevel;
u8 firstepLevel;
u8 ofdmWeakSigDetect;
- u8 cckWeakSigThreshold;
u32 listenTime;
- int32_t rssiThrLow;
- int32_t rssiThrHigh;
u32 ofdmPhyErrCount;
u32 cckPhyErrCount;
- int16_t pktRssi[2];
- int16_t ofdmErrRssi[2];
- int16_t cckErrRssi[2];
struct ath9k_ani_default iniDef;
};