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mac80211: Fix handling of retry count of NO_ACK frames in PID

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Make PID check for IEEE80211_TX_CTL_NO_ACK instead of
is_multicast_ether_addr when determining whether to use the lowest
rate, and set the retry count to 0 (total try count = 1) if
IEEE80211_TX_CTL_NO_ACK is set.

Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Gábor Stefanik 2009-04-23 20:06:06 +02:00 committed by John W. Linville
parent 4edf040afc
commit 922368414e
1 changed files with 5 additions and 3 deletions
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8
net/mac80211/rc80211_pid_algo.c
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@ -289,13 +289,15 @@ rate_control_pid_get_rate(void *priv, struct ieee80211_sta *sta,
info->control.rates[0].count =
txrc->hw->conf.short_frame_max_tx_count;
/* Send management frames and broadcast/multicast data using lowest
* rate. */
/* Send management frames and NO_ACK data using lowest rate. */
fc = le16_to_cpu(hdr->frame_control);
if (!sta || !spinfo ||
(fc & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_DATA ||
is_multicast_ether_addr(hdr->addr1)) {
info->flags & IEEE80211_TX_CTL_NO_ACK) {
info->control.rates[0].idx = rate_lowest_index(sband, sta);
if (info->flags & IEEE80211_TX_CTL_NO_ACK)
info->control.rates[0].count = 1;
return;
}