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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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13
drivers/net/wireless/iwlwifi/iwl-agn-rs.c
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@@ -2064,14 +2064,6 @@ out:
i = index;
lq_sta->last_txrate_idx = i;
/* sta->txrate_idx is an index to A mode rates which start
* at IWL_FIRST_OFDM_RATE
*/
if (lq_sta->band == IEEE80211_BAND_5GHZ)
sta->txrate_idx = i - IWL_FIRST_OFDM_RATE;
else
sta->txrate_idx = i;
return;
}
@@ -2234,7 +2226,6 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
lq_sta->flush_timer = 0;
lq_sta->supp_rates = sta->sta.supp_rates[sband->band];
sta->txrate_idx = 3;
for (j = 0; j < LQ_SIZE; j++)
for (i = 0; i < IWL_RATE_COUNT; i++)
rs_rate_scale_clear_window(&lq_sta->lq_info[j].win[i]);
@@ -2269,11 +2260,11 @@ static void rs_rate_init(void *priv_rate, void *priv_sta,
}
/* Find highest tx rate supported by hardware and destination station */
lq_sta->last_txrate_idx = 3;
for (i = 0; i < sband->n_bitrates; i++)
if (sta->sta.supp_rates[sband->band] & BIT(i))
sta->txrate_idx = i;
lq_sta->last_txrate_idx = i;
lq_sta->last_txrate_idx = sta->txrate_idx;
/* For MODE_IEEE80211A, skip over cck rates in global rate table */
if (local->hw.conf.channel->band == IEEE80211_BAND_5GHZ)
lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE;