diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/rc.c')
| -rw-r--r-- | drivers/net/wireless/ath/ath9k/rc.c | 184 |
1 files changed, 98 insertions, 86 deletions
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 8519452c95f1..600ee0ba2880 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -20,7 +20,7 @@ #include "ath9k.h" static const struct ath_rate_table ar5416_11na_ratetable = { - 42, + 43, 8, /* MCS start */ { { VALID, VALID, WLAN_RC_PHY_OFDM, 6000, /* 6 Mb */ @@ -40,73 +40,75 @@ static const struct ath_rate_table ar5416_11na_ratetable = { { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */ 29300, 7, 108, 4, 7, 7, 7, 7 }, { VALID_2040, VALID_2040, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */ - 6400, 0, 0, 0, 8, 24, 8, 24 }, + 6400, 0, 0, 0, 8, 25, 8, 25 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */ - 12700, 1, 1, 2, 9, 25, 9, 25 }, + 12700, 1, 1, 2, 9, 26, 9, 26 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */ - 18800, 2, 2, 2, 10, 26, 10, 26 }, + 18800, 2, 2, 2, 10, 27, 10, 27 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */ - 25000, 3, 3, 4, 11, 27, 11, 27 }, + 25000, 3, 3, 4, 11, 28, 11, 28 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */ - 36700, 4, 4, 4, 12, 28, 12, 28 }, + 36700, 4, 4, 4, 12, 29, 12, 29 }, { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */ - 48100, 5, 5, 4, 13, 29, 13, 29 }, + 48100, 5, 5, 4, 13, 30, 13, 30 }, { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */ - 53500, 6, 6, 4, 14, 30, 14, 30 }, + 53500, 6, 6, 4, 14, 31, 14, 31 }, { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */ - 59000, 7, 7, 4, 15, 31, 15, 32 }, + 59000, 7, 7, 4, 15, 32, 15, 33 }, { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */ - 12700, 8, 8, 3, 16, 33, 16, 33 }, + 12700, 8, 8, 3, 16, 34, 16, 34 }, { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */ - 24800, 9, 9, 2, 17, 34, 17, 34 }, + 24800, 9, 9, 2, 17, 35, 17, 35 }, { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */ - 36600, 10, 10, 2, 18, 35, 18, 35 }, + 36600, 10, 10, 2, 18, 36, 18, 36 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */ - 48100, 11, 11, 4, 19, 36, 19, 36 }, + 48100, 11, 11, 4, 19, 37, 19, 37 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */ - 69500, 12, 12, 4, 20, 37, 20, 37 }, + 69500, 12, 12, 4, 20, 38, 20, 38 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */ - 89500, 13, 13, 4, 21, 38, 21, 38 }, + 89500, 13, 13, 4, 21, 39, 21, 39 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */ - 98900, 14, 14, 4, 22, 39, 22, 39 }, + 98900, 14, 14, 4, 22, 40, 22, 40 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */ - 108300, 15, 15, 4, 23, 40, 23, 41 }, + 108300, 15, 15, 4, 23, 41, 24, 42 }, + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS_HGI, 144400, /* 144.4 Mb */ + 12000, 15, 15, 4, 23, 41, 24, 42 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */ - 13200, 0, 0, 0, 8, 24, 24, 24 }, + 13200, 0, 0, 0, 8, 25, 25, 25 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */ - 25900, 1, 1, 2, 9, 25, 25, 25 }, + 25900, 1, 1, 2, 9, 26, 26, 26 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */ - 38600, 2, 2, 2, 10, 26, 26, 26 }, + 38600, 2, 2, 2, 10, 27, 27, 27 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */ - 49800, 3, 3, 4, 11, 27, 27, 27 }, + 49800, 3, 3, 4, 11, 28, 28, 28 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */ - 72200, 4, 4, 4, 12, 28, 28, 28 }, + 72200, 4, 4, 4, 12, 29, 29, 29 }, { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */ - 92900, 5, 5, 4, 13, 29, 29, 29 }, + 92900, 5, 5, 4, 13, 30, 30, 30 }, { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */ - 102700, 6, 6, 4, 14, 30, 30, 30 }, + 102700, 6, 6, 4, 14, 31, 31, 31 }, { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */ - 112000, 7, 7, 4, 15, 31, 32, 32 }, + 112000, 7, 7, 4, 15, 32, 33, 33 }, { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */ - 122000, 7, 7, 4, 15, 31, 32, 32 }, + 122000, 7, 7, 4, 15, 32, 33, 33 }, { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */ - 25800, 8, 8, 0, 16, 33, 33, 33 }, + 25800, 8, 8, 0, 16, 34, 34, 34 }, { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */ - 49800, 9, 9, 2, 17, 34, 34, 34 }, + 49800, 9, 9, 2, 17, 35, 35, 35 }, { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */ - 71900, 10, 10, 2, 18, 35, 35, 35 }, + 71900, 10, 10, 2, 18, 36, 36, 36 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */ - 92500, 11, 11, 4, 19, 36, 36, 36 }, + 92500, 11, 11, 4, 19, 37, 37, 37 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */ - 130300, 12, 12, 4, 20, 37, 37, 37 }, + 130300, 12, 12, 4, 20, 38, 38, 38 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */ - 162800, 13, 13, 4, 21, 38, 38, 38 }, + 162800, 13, 13, 4, 21, 39, 39, 39 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */ - 178200, 14, 14, 4, 22, 39, 39, 39 }, + 178200, 14, 14, 4, 22, 40, 40, 40 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */ - 192100, 15, 15, 4, 23, 40, 41, 41 }, + 192100, 15, 15, 4, 23, 41, 42, 42 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */ - 207000, 15, 15, 4, 23, 40, 41, 41 }, + 207000, 15, 15, 4, 23, 41, 42, 42 }, }, 50, /* probe interval */ WLAN_RC_HT_FLAG, /* Phy rates allowed initially */ @@ -116,7 +118,7 @@ static const struct ath_rate_table ar5416_11na_ratetable = { * for HT are the 64K max aggregate limit */ static const struct ath_rate_table ar5416_11ng_ratetable = { - 46, + 47, 12, /* MCS start */ { { VALID_ALL, VALID_ALL, WLAN_RC_PHY_CCK, 1000, /* 1 Mb */ @@ -144,73 +146,75 @@ static const struct ath_rate_table ar5416_11ng_ratetable = { { VALID, VALID, WLAN_RC_PHY_OFDM, 54000, /* 54 Mb */ 30900, 11, 108, 8, 11, 11, 11, 11 }, { INVALID, INVALID, WLAN_RC_PHY_HT_20_SS, 6500, /* 6.5 Mb */ - 6400, 0, 0, 4, 12, 28, 12, 28 }, + 6400, 0, 0, 4, 12, 29, 12, 29 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 13000, /* 13 Mb */ - 12700, 1, 1, 6, 13, 29, 13, 29 }, + 12700, 1, 1, 6, 13, 30, 13, 30 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 19500, /* 19.5 Mb */ - 18800, 2, 2, 6, 14, 30, 14, 30 }, + 18800, 2, 2, 6, 14, 31, 14, 31 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 26000, /* 26 Mb */ - 25000, 3, 3, 8, 15, 31, 15, 31 }, + 25000, 3, 3, 8, 15, 32, 15, 32 }, { VALID_20, VALID_20, WLAN_RC_PHY_HT_20_SS, 39000, /* 39 Mb */ - 36700, 4, 4, 8, 16, 32, 16, 32 }, + 36700, 4, 4, 8, 16, 33, 16, 33 }, { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 52000, /* 52 Mb */ - 48100, 5, 5, 8, 17, 33, 17, 33 }, + 48100, 5, 5, 8, 17, 34, 17, 34 }, { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 58500, /* 58.5 Mb */ - 53500, 6, 6, 8, 18, 34, 18, 34 }, + 53500, 6, 6, 8, 18, 35, 18, 35 }, { INVALID, VALID_20, WLAN_RC_PHY_HT_20_SS, 65000, /* 65 Mb */ - 59000, 7, 7, 8, 19, 35, 19, 36 }, + 59000, 7, 7, 8, 19, 36, 19, 37 }, { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 13000, /* 13 Mb */ - 12700, 8, 8, 4, 20, 37, 20, 37 }, + 12700, 8, 8, 4, 20, 38, 20, 38 }, { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 26000, /* 26 Mb */ - 24800, 9, 9, 6, 21, 38, 21, 38 }, + 24800, 9, 9, 6, 21, 39, 21, 39 }, { INVALID, INVALID, WLAN_RC_PHY_HT_20_DS, 39000, /* 39 Mb */ - 36600, 10, 10, 6, 22, 39, 22, 39 }, + 36600, 10, 10, 6, 22, 40, 22, 40 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 52000, /* 52 Mb */ - 48100, 11, 11, 8, 23, 40, 23, 40 }, + 48100, 11, 11, 8, 23, 41, 23, 41 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 78000, /* 78 Mb */ - 69500, 12, 12, 8, 24, 41, 24, 41 }, + 69500, 12, 12, 8, 24, 42, 24, 42 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 104000, /* 104 Mb */ - 89500, 13, 13, 8, 25, 42, 25, 42 }, + 89500, 13, 13, 8, 25, 43, 25, 43 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 117000, /* 117 Mb */ - 98900, 14, 14, 8, 26, 43, 26, 44 }, + 98900, 14, 14, 8, 26, 44, 26, 44 }, { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS, 130000, /* 130 Mb */ - 108300, 15, 15, 8, 27, 44, 27, 45 }, + 108300, 15, 15, 8, 27, 45, 28, 46 }, + { VALID_20, INVALID, WLAN_RC_PHY_HT_20_DS_HGI, 144400, /* 130 Mb */ + 120000, 15, 15, 8, 27, 45, 28, 46 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 13500, /* 13.5 Mb */ - 13200, 0, 0, 8, 12, 28, 28, 28 }, + 13200, 0, 0, 8, 12, 29, 29, 29 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 27500, /* 27.0 Mb */ - 25900, 1, 1, 8, 13, 29, 29, 29 }, + 25900, 1, 1, 8, 13, 30, 30, 30 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 40500, /* 40.5 Mb */ - 38600, 2, 2, 8, 14, 30, 30, 30 }, + 38600, 2, 2, 8, 14, 31, 31, 31 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 54000, /* 54 Mb */ - 49800, 3, 3, 8, 15, 31, 31, 31 }, + 49800, 3, 3, 8, 15, 32, 32, 32 }, { VALID_40, VALID_40, WLAN_RC_PHY_HT_40_SS, 81500, /* 81 Mb */ - 72200, 4, 4, 8, 16, 32, 32, 32 }, + 72200, 4, 4, 8, 16, 33, 33, 33 }, { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 108000, /* 108 Mb */ - 92900, 5, 5, 8, 17, 33, 33, 33 }, + 92900, 5, 5, 8, 17, 34, 34, 34 }, { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 121500, /* 121.5 Mb */ - 102700, 6, 6, 8, 18, 34, 34, 34 }, + 102700, 6, 6, 8, 18, 35, 35, 35 }, { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS, 135000, /* 135 Mb */ - 112000, 7, 7, 8, 19, 35, 36, 36 }, + 112000, 7, 7, 8, 19, 36, 37, 37 }, { INVALID, VALID_40, WLAN_RC_PHY_HT_40_SS_HGI, 150000, /* 150 Mb */ - 122000, 7, 7, 8, 19, 35, 36, 36 }, + 122000, 7, 7, 8, 19, 36, 37, 37 }, { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 27000, /* 27 Mb */ - 25800, 8, 8, 8, 20, 37, 37, 37 }, + 25800, 8, 8, 8, 20, 38, 38, 38 }, { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 54000, /* 54 Mb */ - 49800, 9, 9, 8, 21, 38, 38, 38 }, + 49800, 9, 9, 8, 21, 39, 39, 39 }, { INVALID, INVALID, WLAN_RC_PHY_HT_40_DS, 81000, /* 81 Mb */ - 71900, 10, 10, 8, 22, 39, 39, 39 }, + 71900, 10, 10, 8, 22, 40, 40, 40 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 108000, /* 108 Mb */ - 92500, 11, 11, 8, 23, 40, 40, 40 }, + 92500, 11, 11, 8, 23, 41, 41, 41 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 162000, /* 162 Mb */ - 130300, 12, 12, 8, 24, 41, 41, 41 }, + 130300, 12, 12, 8, 24, 42, 42, 42 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 216000, /* 216 Mb */ - 162800, 13, 13, 8, 25, 42, 42, 42 }, + 162800, 13, 13, 8, 25, 43, 43, 43 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 243000, /* 243 Mb */ - 178200, 14, 14, 8, 26, 43, 43, 43 }, + 178200, 14, 14, 8, 26, 44, 44, 44 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS, 270000, /* 270 Mb */ - 192100, 15, 15, 8, 27, 44, 45, 45 }, + 192100, 15, 15, 8, 27, 45, 46, 46 }, { VALID_40, INVALID, WLAN_RC_PHY_HT_40_DS_HGI, 300000, /* 300 Mb */ - 207000, 15, 15, 8, 27, 44, 45, 45 }, + 207000, 15, 15, 8, 27, 45, 46, 46 }, }, 50, /* probe interval */ WLAN_RC_HT_FLAG, /* Phy rates allowed initially */ @@ -1193,21 +1197,19 @@ static void ath_rc_init(struct ath_softc *sc, } static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta, - bool is_cw40, bool is_sgi40) + bool is_cw40, bool is_sgi) { u8 caps = 0; if (sta->ht_cap.ht_supported) { caps = WLAN_RC_HT_FLAG; - if (sc->sc_ah->caps.tx_chainmask != 1 && - ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_DS, 0, NULL)) { - if (sta->ht_cap.mcs.rx_mask[1]) - caps |= WLAN_RC_DS_FLAG; - } + if (sta->ht_cap.mcs.rx_mask[1]) + caps |= WLAN_RC_DS_FLAG; if (is_cw40) caps |= WLAN_RC_40_FLAG; - if (is_sgi40) + if (is_sgi) caps |= WLAN_RC_SGI_FLAG; + } return caps; @@ -1300,7 +1302,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, struct ath_softc *sc = priv; struct ath_rate_priv *ath_rc_priv = priv_sta; const struct ath_rate_table *rate_table; - bool is_cw40, is_sgi40; + bool is_cw40, is_sgi = false; int i, j = 0; for (i = 0; i < sband->n_bitrates; i++) { @@ -1323,7 +1325,11 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, } is_cw40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40; - is_sgi40 = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; + + if (is_cw40) + is_sgi = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40; + else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20) + is_sgi = sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20; /* Choose rate table first */ @@ -1336,7 +1342,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband, rate_table = hw_rate_table[sc->cur_rate_mode]; } - ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi40); + 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); } @@ -1347,10 +1353,10 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband, struct ath_softc *sc = priv; struct ath_rate_priv *ath_rc_priv = priv_sta; const struct ath_rate_table *rate_table = NULL; - bool oper_cw40 = false, oper_sgi40; + bool oper_cw40 = false, oper_sgi; bool local_cw40 = (ath_rc_priv->ht_cap & WLAN_RC_40_FLAG) ? true : false; - bool local_sgi40 = (ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG) ? + bool local_sgi = (ath_rc_priv->ht_cap & WLAN_RC_SGI_FLAG) ? true : false; /* FIXME: Handle AP mode later when we support CWM */ @@ -1363,15 +1369,21 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband, oper_chan_type == NL80211_CHAN_HT40PLUS) oper_cw40 = true; - oper_sgi40 = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? - true : false; + if (oper_cw40) + oper_sgi = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40) ? + true : false; + else if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_SGI_20) + oper_sgi = (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) ? + true : false; + else + oper_sgi = false; - if ((local_cw40 != oper_cw40) || (local_sgi40 != oper_sgi40)) { + if ((local_cw40 != oper_cw40) || (local_sgi != oper_sgi)) { rate_table = ath_choose_rate_table(sc, sband->band, sta->ht_cap.ht_supported, oper_cw40); ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, - oper_cw40, oper_sgi40); + oper_cw40, oper_sgi); ath_rc_init(sc, priv_sta, sband, sta, rate_table); ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG, |