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ath9k: Fix TX status reporting for retries and MCS index
The count field in struct ieee80211_tx_rate does not include the final successful attempt, so only report retries here. Fix the struct ieee80211_tx_rate::idx field when MCS was used. It is supposed to be the MCS index, not an internal index to the rate control algorithm table. Signed-off-by: Jouni Malinen <jouni.malinen@atheros.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
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@ -125,7 +125,15 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
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tx_info->flags |= IEEE80211_TX_STAT_ACK;
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}
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tx_info->status.rates[0].count = tx_status->retries + 1;
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tx_info->status.rates[0].count = tx_status->retries;
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if (tx_info->status.rates[0].flags & IEEE80211_TX_RC_MCS) {
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/* Change idx from internal table index to MCS index */
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int idx = tx_info->status.rates[0].idx;
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struct ath_rate_table *rate_table = sc->cur_rate_table;
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if (idx >= 0 && idx < rate_table->rate_cnt)
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tx_info->status.rates[0].idx =
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rate_table->info[idx].ratecode & 0x7f;
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}
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ieee80211_tx_status(hw, skb);
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}
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