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rtl8180: fix incorrect TX retry.

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HW is programmed with wrong retry count value for TX:

Mac80211 passes to driver the number of times the TX should be attempted.
The HW, instead, wants the number of time the TX should be retried if it fails
the first time (assuming we have to TX it at least one time).

This patch correct this.

Signed-off-by: Andrea Merello <andrea.merello@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Andrea Merello 2014-06-30 18:18:55 +02:00 • committed by John W. Linville
parent f82be7c46a
commit 81129fce7e
1 changed files with 1 additions and 1 deletions
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2
drivers/net/wireless/rtl818x/rtl8180/dev.c
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@ -542,7 +542,7 @@ static void rtl8180_tx(struct ieee80211_hw *dev,
entry->flags2 = info->control.rates[1].idx >= 0 ?
ieee80211_get_alt_retry_rate(dev, info, 0)->bitrate << 4 : 0;
entry->retry_limit = info->control.rates[0].count;
entry->retry_limit = info->control.rates[0].count - 1;
/* We must be sure that tx_flags is written last because the HW
* looks at it to check if the rest of data is valid or not