From ae17e986091637e7ef5a8224c7b689029b105131 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 11 Sep 2008 03:04:36 +0200 Subject: mac80211: move txrate_idx into RC algorithms 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 Signed-off-by: John W. Linville --- drivers/net/wireless/ath9k/rc.c | 1 - drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 10 +++------- drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 13 ++----------- 3 files changed, 5 insertions(+), 19 deletions(-) (limited to 'drivers') diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index 226d70c73fe..1cc9daf4455 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -2039,7 +2039,6 @@ static void ath_rate_init(void *priv, void *priv_sta, DPRINTF(sc, ATH_DBG_RATE, "%s\n", __func__); sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; - sta->txrate_idx = rate_lowest_index(local, sband, sta); ath_setup_rates(local, sta); if (conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE) { diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index f751b909759..a279bf1dc9b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -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 = { diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index f7191a9a7fb..a8711c314e6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -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; -- cgit v1.2.3