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-rw-r--r--drivers/net/wireless/ath/ath5k/Kconfig1
-rw-r--r--drivers/net/wireless/ath/ath5k/ani.c38
-rw-r--r--drivers/net/wireless/ath/ath5k/ath5k.h26
-rw-r--r--drivers/net/wireless/ath/ath5k/base.c50
-rw-r--r--drivers/net/wireless/ath/ath5k/debug.c2
5 files changed, 61 insertions, 56 deletions
diff --git a/drivers/net/wireless/ath/ath5k/Kconfig b/drivers/net/wireless/ath/ath5k/Kconfig
index eb83b7b4d0e..47844575caa 100644
--- a/drivers/net/wireless/ath/ath5k/Kconfig
+++ b/drivers/net/wireless/ath/ath5k/Kconfig
@@ -4,6 +4,7 @@ config ATH5K
select MAC80211_LEDS
select LEDS_CLASS
select NEW_LEDS
+ select AVERAGE
---help---
This module adds support for wireless adapters based on
Atheros 5xxx chipset.
diff --git a/drivers/net/wireless/ath/ath5k/ani.c b/drivers/net/wireless/ath/ath5k/ani.c
index f1419198a47..6b75b22a929 100644
--- a/drivers/net/wireless/ath/ath5k/ani.c
+++ b/drivers/net/wireless/ath/ath5k/ani.c
@@ -63,15 +63,15 @@ ath5k_ani_set_noise_immunity_level(struct ath5k_hw *ah, int level)
* so i stick with the HAL version for now...
*/
#if 0
- const s8 hi[] = { -18, -18, -16, -14, -12 };
- const s8 lo[] = { -52, -56, -60, -64, -70 };
- const s8 sz[] = { -34, -41, -48, -55, -62 };
- const s8 fr[] = { -70, -72, -75, -78, -80 };
+ static const s8 hi[] = { -18, -18, -16, -14, -12 };
+ static const s8 lo[] = { -52, -56, -60, -64, -70 };
+ static const s8 sz[] = { -34, -41, -48, -55, -62 };
+ static const s8 fr[] = { -70, -72, -75, -78, -80 };
#else
- const s8 sz[] = { -55, -62 };
- const s8 lo[] = { -64, -70 };
- const s8 hi[] = { -14, -12 };
- const s8 fr[] = { -78, -80 };
+ static const s8 sz[] = { -55, -62 };
+ static const s8 lo[] = { -64, -70 };
+ static const s8 hi[] = { -14, -12 };
+ static const s8 fr[] = { -78, -80 };
#endif
if (level < 0 || level >= ARRAY_SIZE(sz)) {
ATH5K_ERR(ah->ah_sc, "noise immuniy level %d out of range",
@@ -102,7 +102,7 @@ ath5k_ani_set_noise_immunity_level(struct ath5k_hw *ah, int level)
void
ath5k_ani_set_spur_immunity_level(struct ath5k_hw *ah, int level)
{
- const int val[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
+ static const int val[] = { 2, 4, 6, 8, 10, 12, 14, 16 };
if (level < 0 || level >= ARRAY_SIZE(val) ||
level > ah->ah_sc->ani_state.max_spur_level) {
@@ -127,7 +127,7 @@ ath5k_ani_set_spur_immunity_level(struct ath5k_hw *ah, int level)
void
ath5k_ani_set_firstep_level(struct ath5k_hw *ah, int level)
{
- const int val[] = { 0, 4, 8 };
+ static const int val[] = { 0, 4, 8 };
if (level < 0 || level >= ARRAY_SIZE(val)) {
ATH5K_ERR(ah->ah_sc, "firstep level %d out of range", level);
@@ -151,12 +151,12 @@ ath5k_ani_set_firstep_level(struct ath5k_hw *ah, int level)
void
ath5k_ani_set_ofdm_weak_signal_detection(struct ath5k_hw *ah, bool on)
{
- const int m1l[] = { 127, 50 };
- const int m2l[] = { 127, 40 };
- const int m1[] = { 127, 0x4d };
- const int m2[] = { 127, 0x40 };
- const int m2cnt[] = { 31, 16 };
- const int m2lcnt[] = { 63, 48 };
+ static const int m1l[] = { 127, 50 };
+ static const int m2l[] = { 127, 40 };
+ static const int m1[] = { 127, 0x4d };
+ static const int m2[] = { 127, 0x40 };
+ static const int m2cnt[] = { 31, 16 };
+ static const int m2lcnt[] = { 63, 48 };
AR5K_REG_WRITE_BITS(ah, AR5K_PHY_WEAK_OFDM_LOW_THR,
AR5K_PHY_WEAK_OFDM_LOW_THR_M1, m1l[on]);
@@ -192,7 +192,7 @@ ath5k_ani_set_ofdm_weak_signal_detection(struct ath5k_hw *ah, bool on)
void
ath5k_ani_set_cck_weak_signal_detection(struct ath5k_hw *ah, bool on)
{
- const int val[] = { 8, 6 };
+ static const int val[] = { 8, 6 };
AR5K_REG_WRITE_BITS(ah, AR5K_PHY_CCK_CROSSCORR,
AR5K_PHY_CCK_CROSSCORR_WEAK_SIG_THR, val[on]);
ah->ah_sc->ani_state.cck_weak_sig = on;
@@ -216,7 +216,7 @@ static void
ath5k_ani_raise_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as,
bool ofdm_trigger)
{
- int rssi = ah->ah_beacon_rssi_avg.avg;
+ int rssi = ewma_read(&ah->ah_beacon_rssi_avg);
ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "raise immunity (%s)",
ofdm_trigger ? "ODFM" : "CCK");
@@ -301,7 +301,7 @@ ath5k_ani_raise_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as,
static void
ath5k_ani_lower_immunity(struct ath5k_hw *ah, struct ath5k_ani_state *as)
{
- int rssi = ah->ah_beacon_rssi_avg.avg;
+ int rssi = ewma_read(&ah->ah_beacon_rssi_avg);
ATH5K_DBG_UNLIMIT(ah->ah_sc, ATH5K_DEBUG_ANI, "lower immunity");
diff --git a/drivers/net/wireless/ath/ath5k/ath5k.h b/drivers/net/wireless/ath/ath5k/ath5k.h
index 308b79e1ff0..2718136e488 100644
--- a/drivers/net/wireless/ath/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath/ath5k/ath5k.h
@@ -25,6 +25,7 @@
#include <linux/io.h>
#include <linux/types.h>
+#include <linux/average.h>
#include <net/mac80211.h>
/* RX/TX descriptor hw structs
@@ -1102,7 +1103,7 @@ struct ath5k_hw {
struct ath5k_nfcal_hist ah_nfcal_hist;
/* average beacon RSSI in our BSS (used by ANI) */
- struct ath5k_avg_val ah_beacon_rssi_avg;
+ struct ewma ah_beacon_rssi_avg;
/* noise floor from last periodic calibration */
s32 ah_noise_floor;
@@ -1315,27 +1316,4 @@ static inline u32 ath5k_hw_bitswap(u32 val, unsigned int bits)
return retval;
}
-#define AVG_SAMPLES 8
-#define AVG_FACTOR 1000
-
-/**
- * ath5k_moving_average - Exponentially weighted moving average
- * @avg: average structure
- * @val: current value
- *
- * This implementation make use of a struct ath5k_avg_val to prevent rounding
- * errors.
- */
-static inline struct ath5k_avg_val
-ath5k_moving_average(const struct ath5k_avg_val avg, const int val)
-{
- struct ath5k_avg_val new;
- new.avg_weight = avg.avg_weight ?
- (((avg.avg_weight * ((AVG_SAMPLES) - 1)) +
- (val * (AVG_FACTOR))) / (AVG_SAMPLES)) :
- (val * (AVG_FACTOR));
- new.avg = new.avg_weight / (AVG_FACTOR);
- return new;
-}
-
#endif
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c
index b9f93fbd972..7f783d9462a 100644
--- a/drivers/net/wireless/ath/ath5k/base.c
+++ b/drivers/net/wireless/ath/ath5k/base.c
@@ -549,7 +549,7 @@ static void ath_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
/* Calculate combined mode - when APs are active, operate in AP mode.
* Otherwise use the mode of the new interface. This can currently
* only deal with combinations of APs and STAs. Only one ad-hoc
- * interfaces is allowed above.
+ * interfaces is allowed.
*/
if (avf->opmode == NL80211_IFTYPE_AP)
iter_data->opmode = NL80211_IFTYPE_AP;
@@ -558,14 +558,6 @@ static void ath_vif_iter(void *data, u8 *mac, struct ieee80211_vif *vif)
iter_data->opmode = avf->opmode;
}
-static void ath_do_set_opmode(struct ath5k_softc *sc)
-{
- struct ath5k_hw *ah = sc->ah;
- ath5k_hw_set_opmode(ah, sc->opmode);
- ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "mode setup opmode %d (%s)\n",
- sc->opmode, ath_opmode_to_string(sc->opmode));
-}
-
static void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
struct ieee80211_vif *vif)
{
@@ -595,7 +587,9 @@ static void ath5k_update_bssid_mask_and_opmode(struct ath5k_softc *sc,
/* Nothing active, default to station mode */
sc->opmode = NL80211_IFTYPE_STATION;
- ath_do_set_opmode(sc);
+ ath5k_hw_set_opmode(sc->ah, sc->opmode);
+ ATH5K_DBG(sc, ATH5K_DEBUG_MODE, "mode setup opmode %d (%s)\n",
+ sc->opmode, ath_opmode_to_string(sc->opmode));
if (iter_data.need_set_hw_addr && iter_data.found_active)
ath5k_hw_set_lladdr(sc->ah, iter_data.active_mac);
@@ -1307,8 +1301,7 @@ ath5k_update_beacon_rssi(struct ath5k_softc *sc, struct sk_buff *skb, int rssi)
memcmp(mgmt->bssid, common->curbssid, ETH_ALEN) != 0)
return;
- ah->ah_beacon_rssi_avg = ath5k_moving_average(ah->ah_beacon_rssi_avg,
- rssi);
+ ewma_add(&ah->ah_beacon_rssi_avg, rssi);
/* in IBSS mode we should keep RSSI statistics per neighbour */
/* le16_to_cpu(mgmt->u.beacon.capab_info) & WLAN_CAPABILITY_IBSS */
@@ -2562,6 +2555,7 @@ ath5k_reset(struct ath5k_softc *sc, struct ieee80211_channel *chan)
ah->ah_cal_next_full = jiffies;
ah->ah_cal_next_ani = jiffies;
ah->ah_cal_next_nf = jiffies;
+ ewma_init(&ah->ah_beacon_rssi_avg, 1000, 8);
/*
* Change channels and update the h/w rate map if we're switching;
@@ -3413,6 +3407,36 @@ static int ath5k_conf_tx(struct ieee80211_hw *hw, u16 queue,
return ret;
}
+static int ath5k_set_antenna(struct ieee80211_hw *hw, u32 tx_ant, u32 rx_ant)
+{
+ struct ath5k_softc *sc = hw->priv;
+
+ if (tx_ant == 1 && rx_ant == 1)
+ ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_A);
+ else if (tx_ant == 2 && rx_ant == 2)
+ ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_FIXED_B);
+ else if ((tx_ant & 3) == 3 && (rx_ant & 3) == 3)
+ ath5k_hw_set_antenna_mode(sc->ah, AR5K_ANTMODE_DEFAULT);
+ else
+ return -EINVAL;
+ return 0;
+}
+
+static int ath5k_get_antenna(struct ieee80211_hw *hw, u32 *tx_ant, u32 *rx_ant)
+{
+ struct ath5k_softc *sc = hw->priv;
+
+ switch (sc->ah->ah_ant_mode) {
+ case AR5K_ANTMODE_FIXED_A:
+ *tx_ant = 1; *rx_ant = 1; break;
+ case AR5K_ANTMODE_FIXED_B:
+ *tx_ant = 2; *rx_ant = 2; break;
+ case AR5K_ANTMODE_DEFAULT:
+ *tx_ant = 3; *rx_ant = 3; break;
+ }
+ return 0;
+}
+
static const struct ieee80211_ops ath5k_hw_ops = {
.tx = ath5k_tx,
.start = ath5k_start,
@@ -3433,6 +3457,8 @@ static const struct ieee80211_ops ath5k_hw_ops = {
.sw_scan_start = ath5k_sw_scan_start,
.sw_scan_complete = ath5k_sw_scan_complete,
.set_coverage_class = ath5k_set_coverage_class,
+ .set_antenna = ath5k_set_antenna,
+ .get_antenna = ath5k_get_antenna,
};
/********************\
diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c
index 54dcf77e964..7d785cb60ce 100644
--- a/drivers/net/wireless/ath/ath5k/debug.c
+++ b/drivers/net/wireless/ath/ath5k/debug.c
@@ -719,7 +719,7 @@ static ssize_t read_file_ani(struct file *file, char __user *user_buf,
st->mib_intr);
len += snprintf(buf+len, sizeof(buf)-len,
"beacon RSSI average:\t%d\n",
- sc->ah->ah_beacon_rssi_avg.avg);
+ (int)ewma_read(&sc->ah->ah_beacon_rssi_avg));
#define CC_PRINT(_struct, _field) \
_struct._field, \
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-10 03:26:55 +0000