ath9k: remove sc->cur_rate_table and sc->cur_rate_mode
Set the rate table in the rc module properly based on band and
HT capabilities instead, which was already partially done, but
not for every mode.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h
index 4e81fe3..e435c1d 100644
--- a/drivers/net/wireless/ath/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath/ath9k/ath9k.h
@@ -623,8 +623,6 @@
struct ath_rx rx;
struct ath_tx tx;
struct ath_beacon beacon;
- const struct ath_rate_table *cur_rate_table;
- enum wireless_mode cur_rate_mode;
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
struct ath_led radio_led;
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 2c7f28e..3ff0e47 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -18,36 +18,6 @@
#include "ath9k.h"
#include "btcoex.h"
-static void ath_cache_conf_rate(struct ath_softc *sc,
- struct ieee80211_conf *conf)
-{
- switch (conf->channel->band) {
- case IEEE80211_BAND_2GHZ:
- if (conf_is_ht20(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NG_HT20;
- else if (conf_is_ht40_minus(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NG_HT40MINUS;
- else if (conf_is_ht40_plus(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NG_HT40PLUS;
- else
- sc->cur_rate_mode = ATH9K_MODE_11G;
- break;
- case IEEE80211_BAND_5GHZ:
- if (conf_is_ht20(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NA_HT20;
- else if (conf_is_ht40_minus(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NA_HT40MINUS;
- else if (conf_is_ht40_plus(conf))
- sc->cur_rate_mode = ATH9K_MODE_11NA_HT40PLUS;
- else
- sc->cur_rate_mode = ATH9K_MODE_11A;
- break;
- default:
- BUG_ON(1);
- break;
- }
-}
-
static void ath_update_txpow(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
@@ -306,7 +276,6 @@
goto ps_restore;
}
- ath_cache_conf_rate(sc, &hw->conf);
ath_update_txpow(sc);
ath9k_hw_set_interrupts(ah, ah->imask);
@@ -1013,8 +982,6 @@
* that changes the channel so update any state that
* might change as a result.
*/
- ath_cache_conf_rate(sc, &hw->conf);
-
ath_update_txpow(sc);
if ((sc->sc_flags & SC_OP_BEACONS) || !(sc->sc_flags & (SC_OP_OFFCHANNEL)))
@@ -1221,8 +1188,6 @@
if (ah->caps.hw_caps & ATH9K_HW_CAP_HT)
ah->imask |= ATH9K_INT_CST;
- ath_cache_conf_rate(sc, &hw->conf);
-
sc->sc_flags &= ~SC_OP_INVALID;
/* Disable BMISS interrupt when we're not associated */
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index 5db3a12..2d3a67f 100644
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -791,7 +791,7 @@
*/
try_per_rate = 4;
- rate_table = sc->cur_rate_table;
+ rate_table = ath_rc_priv->rate_table;
rix = ath_rc_get_highest_rix(sc, ath_rc_priv, rate_table, &is_probe);
/*
@@ -1048,7 +1048,7 @@
int rate;
u8 last_per;
bool state_change = false;
- const struct ath_rate_table *rate_table = sc->cur_rate_table;
+ const struct ath_rate_table *rate_table = ath_rc_priv->rate_table;
int size = ath_rc_priv->rate_table_size;
if ((tx_rate < 0) || (tx_rate > rate_table->rate_cnt))
@@ -1150,7 +1150,7 @@
u8 flags;
u32 i = 0, rix;
- rate_table = sc->cur_rate_table;
+ rate_table = ath_rc_priv->rate_table;
/*
* If the first rate is not the final index, there
@@ -1231,7 +1231,6 @@
ath_print(common, ATH_DBG_CONFIG,
"Choosing rate table for mode: %d\n", mode);
- sc->cur_rate_mode = mode;
return hw_rate_table[mode];
}
@@ -1303,7 +1302,6 @@
ath_rc_priv->max_valid_rate = k;
ath_rc_sort_validrates(rate_table, ath_rc_priv);
ath_rc_priv->rate_max_phy = ath_rc_priv->valid_rate_index[k-4];
- sc->cur_rate_table = rate_table;
ath_rc_priv->rate_table = rate_table;
ath_print(common, ATH_DBG_CONFIG,
@@ -1439,8 +1437,9 @@
}
}
- ath_debug_stat_rc(ath_rc_priv, ath_rc_get_rateindex(sc->cur_rate_table,
- &tx_info->status.rates[final_ts_idx]));
+ ath_debug_stat_rc(ath_rc_priv,
+ ath_rc_get_rateindex(ath_rc_priv->rate_table,
+ &tx_info->status.rates[final_ts_idx]));
}
static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
@@ -1480,14 +1479,8 @@
/* Choose rate table first */
- if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) ||
- (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) ||
- (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) {
- rate_table = ath_choose_rate_table(sc, sband->band,
- sta->ht_cap.ht_supported, is_cw40);
- } else {
- rate_table = hw_rate_table[sc->cur_rate_mode];
- }
+ rate_table = ath_choose_rate_table(sc, sband->band,
+ sta->ht_cap.ht_supported, is_cw40);
ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi);
ath_rc_init(sc, priv_sta, sband, sta, rate_table);
@@ -1536,7 +1529,6 @@
ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
"Operating HT Bandwidth changed to: %d\n",
sc->hw->conf.channel_type);
- sc->cur_rate_table = hw_rate_table[sc->cur_rate_mode];
}
}
}