diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/rc.c')
-rw-r--r-- | drivers/net/wireless/ath/ath9k/rc.c | 50 |
1 files changed, 24 insertions, 26 deletions
diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index e7fe4d9aee79..c04a6c3cac7f 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -379,7 +379,30 @@ static const struct ath_rate_table ar5416_11g_ratetable = { }; static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table, - struct ieee80211_tx_rate *rate); + struct ieee80211_tx_rate *rate) +{ + int rix = 0, i = 0; + static const int mcs_rix_off[] = { 7, 15, 20, 21, 22, 23 }; + + if (!(rate->flags & IEEE80211_TX_RC_MCS)) + return rate->idx; + + while (i < ARRAY_SIZE(mcs_rix_off) && rate->idx > mcs_rix_off[i]) { + rix++; i++; + } + + rix += rate->idx + rate_table->mcs_start; + + if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) && + (rate->flags & IEEE80211_TX_RC_SHORT_GI)) + rix = rate_table->info[rix].ht_index; + else if (rate->flags & IEEE80211_TX_RC_SHORT_GI) + rix = rate_table->info[rix].sgi_index; + else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) + rix = rate_table->info[rix].cw40index; + + return rix; +} static void ath_rc_sort_validrates(const struct ath_rate_table *rate_table, struct ath_rate_priv *ath_rc_priv) @@ -1080,31 +1103,6 @@ static void ath_rc_update_ht(struct ath_softc *sc, } -static int ath_rc_get_rateindex(const struct ath_rate_table *rate_table, - struct ieee80211_tx_rate *rate) -{ - int rix = 0, i = 0; - static const int mcs_rix_off[] = { 7, 15, 20, 21, 22, 23 }; - - if (!(rate->flags & IEEE80211_TX_RC_MCS)) - return rate->idx; - - while (i < ARRAY_SIZE(mcs_rix_off) && rate->idx > mcs_rix_off[i]) { - rix++; i++; - } - - rix += rate->idx + rate_table->mcs_start; - - if ((rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) && - (rate->flags & IEEE80211_TX_RC_SHORT_GI)) - rix = rate_table->info[rix].ht_index; - else if (rate->flags & IEEE80211_TX_RC_SHORT_GI) - rix = rate_table->info[rix].sgi_index; - else if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) - rix = rate_table->info[rix].cw40index; - - return rix; -} static void ath_rc_tx_status(struct ath_softc *sc, struct ath_rate_priv *ath_rc_priv, |