From b7e35008815a1c39123f4dd53b430788e2e18da4 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 11 Sep 2008 02:22:58 +0200 Subject: mac80211: move last_txrate_idx into RC algorithms This variable in sta_info is only used in a meaningful way by the Intel RC algorithms, so move it into those. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-3945-rs.c | 20 ++++++++++++-------- drivers/net/wireless/iwlwifi/iwl-agn-rs.c | 15 +++++++++------ 2 files changed, 21 insertions(+), 14 deletions(-) (limited to 'drivers/net/wireless') diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index da23c927380..46b672c3458 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -65,6 +65,9 @@ struct iwl3945_rs_sta { u8 ibss_sta_added; struct timer_list rate_scale_flush; struct iwl3945_rate_scale_data win[IWL_RATE_COUNT]; + + /* used to be in sta_info */ + int last_txrate_idx; }; static s32 iwl3945_expected_tpt_g[IWL_RATE_COUNT] = { @@ -319,6 +322,7 @@ static void iwl3945_collect_tx_data(struct iwl3945_rs_sta *rs_sta, static void rs_rate_init(void *priv_rate, void *priv_sta, struct ieee80211_local *local, struct sta_info *sta) { + struct iwl3945_rs_sta *rs_sta = (void *)sta->rate_ctrl_priv; int i; IWL_DEBUG_RATE("enter\n"); @@ -335,11 +339,11 @@ static void rs_rate_init(void *priv_rate, void *priv_sta, } } - sta->last_txrate_idx = sta->txrate_idx; + 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) - sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; + rs_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; IWL_DEBUG_RATE("leave\n"); } @@ -674,14 +678,14 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, return; } + rs_sta = (void *)sta->rate_ctrl_priv; + rate_mask = sta->supp_rates[sband->band]; - index = min(sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1); + index = min(rs_sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1); if (sband->band == IEEE80211_BAND_5GHZ) rate_mask = rate_mask << IWL_FIRST_OFDM_RATE; - rs_sta = (void *)sta->rate_ctrl_priv; - if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) && !rs_sta->ibss_sta_added) { u8 sta_id = iwl3945_hw_find_station(priv, hdr->addr1); @@ -803,11 +807,11 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, out: - sta->last_txrate_idx = index; + rs_sta->last_txrate_idx = index; if (sband->band == IEEE80211_BAND_5GHZ) - sta->txrate_idx = sta->last_txrate_idx - IWL_FIRST_OFDM_RATE; + sta->txrate_idx = rs_sta->last_txrate_idx - IWL_FIRST_OFDM_RATE; else - sta->txrate_idx = sta->last_txrate_idx; + sta->txrate_idx = rs_sta->last_txrate_idx; rcu_read_unlock(); diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index af4e0b994e4..54f076bb202 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -163,6 +163,9 @@ struct iwl_lq_sta { u32 dbg_fixed_rate; #endif struct iwl_priv *drv; + + /* used to be in sta_info */ + int last_txrate_idx; }; static void rs_rate_scale_perform(struct iwl_priv *priv, @@ -1746,7 +1749,7 @@ static void rs_rate_scale_perform(struct iwl_priv *priv, is_green = lq_sta->is_green; /* current tx rate */ - index = sta->last_txrate_idx; + index = lq_sta->last_txrate_idx; IWL_DEBUG_RATE("Rate scale index %d for type %d\n", index, tbl->lq_type); @@ -2059,7 +2062,7 @@ lq_update: out: tbl->current_rate = rate_n_flags_from_tbl(tbl, index, is_green); i = index; - sta->last_txrate_idx = i; + lq_sta->last_txrate_idx = i; /* sta->txrate_idx is an index to A mode rates which start * at IWL_FIRST_OFDM_RATE @@ -2090,7 +2093,7 @@ static void rs_initialize_lq(struct iwl_priv *priv, goto out; lq_sta = (struct iwl_lq_sta *)sta->rate_ctrl_priv; - i = sta->last_txrate_idx; + i = lq_sta->last_txrate_idx; if ((lq_sta->lq.sta_id == 0xff) && (priv->iw_mode == NL80211_IFTYPE_ADHOC)) @@ -2161,7 +2164,7 @@ static void rs_get_rate(void *priv_rate, struct net_device *dev, } lq_sta = (struct iwl_lq_sta *)sta->rate_ctrl_priv; - i = sta->last_txrate_idx; + i = lq_sta->last_txrate_idx; if ((priv->iw_mode == NL80211_IFTYPE_ADHOC) && !lq_sta->ibss_sta_added) { @@ -2270,10 +2273,10 @@ static void rs_rate_init(void *priv_rate, void *priv_sta, if (sta->supp_rates[sband->band] & BIT(i)) sta->txrate_idx = i; - sta->last_txrate_idx = sta->txrate_idx; + 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) - sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; + lq_sta->last_txrate_idx += IWL_FIRST_OFDM_RATE; lq_sta->is_dup = 0; lq_sta->is_green = rs_use_green(priv, conf); -- cgit v1.2.3