diff options
Diffstat (limited to 'drivers/net/wireless/ath9k/rc.c')
| -rw-r--r-- | drivers/net/wireless/ath9k/rc.c | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index 156b245ab9e..bf637aa7dda 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -25,6 +25,7 @@ static struct ath_rate_table ar5416_11na_ratetable = { 42, + {0}, { { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 6 Mb */ 5400, 0x0b, 0x00, 12, @@ -168,6 +169,7 @@ static struct ath_rate_table ar5416_11na_ratetable = { static struct ath_rate_table ar5416_11ng_ratetable = { 46, + {0}, { { TRUE_ALL, TRUE_ALL, WLAN_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, 2, @@ -315,6 +317,7 @@ static struct ath_rate_table ar5416_11ng_ratetable = { static struct ath_rate_table ar5416_11a_ratetable = { 8, + {0}, { { TRUE, TRUE, WLAN_PHY_OFDM, 6000, /* 6 Mb */ 5400, 0x0b, 0x00, (0x80|12), @@ -348,6 +351,7 @@ static struct ath_rate_table ar5416_11a_ratetable = { static struct ath_rate_table ar5416_11g_ratetable = { 12, + {0}, { { TRUE, TRUE, WLAN_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, 2, @@ -393,6 +397,7 @@ static struct ath_rate_table ar5416_11g_ratetable = { static struct ath_rate_table ar5416_11b_ratetable = { 4, + {0}, { { TRUE, TRUE, WLAN_PHY_CCK, 1000, /* 1 Mb */ 900, 0x1b, 0x00, (0x80|2), @@ -1302,14 +1307,14 @@ static void ath_rc_update(struct ath_softc *sc, if (final_ts_idx != 0) { /* Process intermediate rates that failed.*/ for (series = 0; series < final_ts_idx ; series++) { - if (rates[series].count != 0) { + if (rates[series].count != 0 && (rates[series].idx >= 0)) { flags = rates[series].flags; /* If HT40 and we have switched mode from * 40 to 20 => don't update */ if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) && - (ath_rc_priv->rc_phy_mode != - (flags & IEEE80211_TX_RC_40_MHZ_WIDTH))) + (ath_rc_priv->rc_phy_mode != WLAN_RC_40_FLAG)) return; + if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) && (flags & IEEE80211_TX_RC_SHORT_GI)) rix = rate_table->info[ @@ -1343,8 +1348,9 @@ static void ath_rc_update(struct ath_softc *sc, flags = rates[series].flags; /* If HT40 and we have switched mode from 40 to 20 => don't update */ if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) && - (ath_rc_priv->rc_phy_mode != (flags & IEEE80211_TX_RC_40_MHZ_WIDTH))) + (ath_rc_priv->rc_phy_mode != WLAN_RC_40_FLAG)) { return; + } if ((flags & IEEE80211_TX_RC_40_MHZ_WIDTH) && (flags & IEEE80211_TX_RC_SHORT_GI)) rix = rate_table->info[rates[series].idx].ht_index; @@ -1628,7 +1634,6 @@ static void ath_rate_free_sta(void *priv, struct ieee80211_sta *sta, void *priv_sta) { struct ath_rate_node *rate_priv = priv_sta; - kfree(rate_priv); } @@ -1644,6 +1649,35 @@ static struct rate_control_ops ath_rate_ops = { .free_sta = ath_rate_free_sta, }; +static void ath_setup_rate_table(struct ath_softc *sc, + struct ath_rate_table *rate_table) +{ + int i; + + for (i = 0; i < 256; i++) + rate_table->rateCodeToIndex[i] = (u8)-1; + + for (i = 0; i < rate_table->rate_cnt; i++) { + u8 code = rate_table->info[i].ratecode; + u8 cix = rate_table->info[i].ctrl_rate; + u8 sh = rate_table->info[i].short_preamble; + + rate_table->rateCodeToIndex[code] = i; + rate_table->rateCodeToIndex[code | sh] = i; + + rate_table->info[i].lpAckDuration = + ath9k_hw_computetxtime(sc->sc_ah, rate_table, + WLAN_CTRL_FRAME_SIZE, + cix, + false); + rate_table->info[i].spAckDuration = + ath9k_hw_computetxtime(sc->sc_ah, rate_table, + WLAN_CTRL_FRAME_SIZE, + cix, + true); + } +} + void ath_rate_attach(struct ath_softc *sc) { sc->hw_rate_table[ATH9K_MODE_11B] = @@ -1664,6 +1698,12 @@ void ath_rate_attach(struct ath_softc *sc) &ar5416_11ng_ratetable; sc->hw_rate_table[ATH9K_MODE_11NG_HT40MINUS] = &ar5416_11ng_ratetable; + + ath_setup_rate_table(sc, &ar5416_11b_ratetable); + ath_setup_rate_table(sc, &ar5416_11a_ratetable); + ath_setup_rate_table(sc, &ar5416_11g_ratetable); + ath_setup_rate_table(sc, &ar5416_11na_ratetable); + ath_setup_rate_table(sc, &ar5416_11ng_ratetable); } int ath_rate_control_register(void) @@ -1675,4 +1715,3 @@ void ath_rate_control_unregister(void) { ieee80211_rate_control_unregister(&ath_rate_ops); } - |