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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>
This commit is contained in:
Jouni Malinen 2008-12-15 15:44:53 +02:00 committed by John W. Linville
parent 8d6f658e21
commit da027ca00a
1 changed files with 9 additions and 1 deletions
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10
drivers/net/wireless/ath9k/xmit.c
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@ -125,7 +125,15 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
tx_info->flags |= IEEE80211_TX_STAT_ACK;
}
tx_info->status.rates[0].count = tx_status->retries + 1;
tx_info->status.rates[0].count = tx_status->retries;
if (tx_info->status.rates[0].flags & IEEE80211_TX_RC_MCS) {
/* Change idx from internal table index to MCS index */
int idx = tx_info->status.rates[0].idx;
struct ath_rate_table *rate_table = sc->cur_rate_table;
if (idx >= 0 && idx < rate_table->rate_cnt)
tx_info->status.rates[0].idx =
rate_table->info[idx].ratecode & 0x7f;
}
ieee80211_tx_status(hw, skb);
}