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mac80211: move txrate_idx into RC algorithms

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The sta_info->txrate_idx member isn't used by all RC algorithms
in the way it was intended to be used, move it into those that
require it (only PID) and keep track in the core code of which
rate was last used for reporting to userspace and the mesh MLME.

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg
2008-09-11 03:04:36 +02:00
committed by John W. Linville
parent 323ce79a9c
commit ae17e98609
9 changed files with 32 additions and 37 deletions
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10
drivers/net/wireless/iwlwifi/iwl-3945-rs.c
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@@ -334,13 +334,11 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
for (i = IWL_RATE_COUNT - 1; i >= 0; i--) {
if (sta->sta.supp_rates[local->hw.conf.channel->band] & (1 << i)) {
sta->txrate_idx = i;
rs_sta->last_txrate_idx = i;
break;
}
}
rs_sta->last_txrate_idx = sta->txrate_idx;
/* For 5 GHz band it start at IWL_FIRST_OFDM_RATE */
if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
rs_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;
@@ -809,15 +807,13 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev,
rs_sta->last_txrate_idx = index;
if (sband->band == IEEE80211_BAND_5GHZ)
sta->txrate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE;
sel->rate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE;
else
sta->txrate_idx = rs_sta->last_txrate_idx;
sel->rate_idx = rs_sta->last_txrate_idx;
rcu_read_unlock();
IWL_DEBUG_RATE("leave: %d\n", index);
sel->rate_idx = sta->txrate_idx;
}
static struct rate_control_ops rs_ops = {