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path: root/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/mvm/rs.c')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/mvm/rs.c53
1 files changed, 30 insertions, 23 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
index 5d776ec1840f..642da10b0b7f 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/rs.c
@@ -3,6 +3,7 @@
* Copyright(c) 2005 - 2014 Intel Corporation. All rights reserved.
* Copyright(c) 2013 - 2015 Intel Mobile Communications GmbH
* Copyright(c) 2016 - 2017 Intel Deutschland GmbH
+ * Copyright(c) 2018 Intel Corporation
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as
@@ -13,10 +14,6 @@
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
- *
* The full GNU General Public License is included in this distribution in the
* file called LICENSE.
*
@@ -651,9 +648,10 @@ static void rs_tl_turn_on_agg(struct iwl_mvm *mvm, struct iwl_mvm_sta *mvmsta,
}
tid_data = &mvmsta->tid_data[tid];
- if ((tid_data->state == IWL_AGG_OFF) &&
+ if (mvmsta->sta_state >= IEEE80211_STA_AUTHORIZED &&
+ tid_data->state == IWL_AGG_OFF &&
(lq_sta->tx_agg_tid_en & BIT(tid)) &&
- (tid_data->tx_count_last >= IWL_MVM_RS_AGG_START_THRESHOLD)) {
+ tid_data->tx_count_last >= IWL_MVM_RS_AGG_START_THRESHOLD) {
IWL_DEBUG_RATE(mvm, "try to aggregate tid %d\n", tid);
if (rs_tl_turn_on_agg_for_tid(mvm, lq_sta, tid, sta) == 0)
tid_data->state = IWL_AGG_QUEUED;
@@ -1257,7 +1255,7 @@ void iwl_mvm_rs_tx_status(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
(unsigned long)(lq_sta->last_tx +
(IWL_MVM_RS_IDLE_TIMEOUT * HZ)))) {
IWL_DEBUG_RATE(mvm, "Tx idle for too long. reinit rs\n");
- iwl_mvm_rs_rate_init(mvm, sta, info->band, false);
+ iwl_mvm_rs_rate_init(mvm, sta, info->band);
return;
}
lq_sta->last_tx = jiffies;
@@ -1715,12 +1713,18 @@ static void rs_set_amsdu_len(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
{
struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
+ /*
+ * In case TLC offload is not active amsdu_enabled is either 0xFFFF
+ * or 0, since there is no per-TID alg.
+ */
if ((!is_vht(&tbl->rate) && !is_ht(&tbl->rate)) ||
tbl->rate.index < IWL_RATE_MCS_5_INDEX ||
scale_action == RS_ACTION_DOWNSCALE)
- mvmsta->tlc_amsdu = false;
+ mvmsta->amsdu_enabled = 0;
else
- mvmsta->tlc_amsdu = true;
+ mvmsta->amsdu_enabled = 0xFFFF;
+
+ mvmsta->max_amsdu_len = sta->max_amsdu_len;
}
/*
@@ -2684,9 +2688,9 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm,
struct ieee80211_sta *sta,
struct iwl_lq_sta *lq_sta,
enum nl80211_band band,
- struct rs_rate *rate,
- bool init)
+ struct rs_rate *rate)
{
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
int i, nentries;
unsigned long active_rate;
s8 best_rssi = S8_MIN;
@@ -2748,7 +2752,8 @@ static void rs_get_initial_rate(struct iwl_mvm *mvm,
* bandwidth rate, and after authorization, when the phy context
* is already up-to-date, re-init rs with the correct bw.
*/
- u32 bw = init ? RATE_MCS_CHAN_WIDTH_20 : rs_bw_from_sta_bw(sta);
+ u32 bw = mvmsta->sta_state < IEEE80211_STA_AUTHORIZED ?
+ RATE_MCS_CHAN_WIDTH_20 : rs_bw_from_sta_bw(sta);
switch (bw) {
case RATE_MCS_CHAN_WIDTH_40:
@@ -2833,9 +2838,9 @@ void rs_update_last_rssi(struct iwl_mvm *mvm,
static void rs_initialize_lq(struct iwl_mvm *mvm,
struct ieee80211_sta *sta,
struct iwl_lq_sta *lq_sta,
- enum nl80211_band band,
- bool init)
+ enum nl80211_band band)
{
+ struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
struct iwl_scale_tbl_info *tbl;
struct rs_rate *rate;
u8 active_tbl = 0;
@@ -2851,7 +2856,7 @@ static void rs_initialize_lq(struct iwl_mvm *mvm,
tbl = &(lq_sta->lq_info[active_tbl]);
rate = &tbl->rate;
- rs_get_initial_rate(mvm, sta, lq_sta, band, rate, init);
+ rs_get_initial_rate(mvm, sta, lq_sta, band, rate);
rs_init_optimal_rate(mvm, sta, lq_sta);
WARN_ONCE(rate->ant != ANT_A && rate->ant != ANT_B,
@@ -2864,7 +2869,8 @@ static void rs_initialize_lq(struct iwl_mvm *mvm,
rs_set_expected_tpt_table(lq_sta, tbl);
rs_fill_lq_cmd(mvm, sta, lq_sta, rate);
/* TODO restore station should remember the lq cmd */
- iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq, init);
+ iwl_mvm_send_lq_cmd(mvm, &lq_sta->lq,
+ mvmsta->sta_state < IEEE80211_STA_AUTHORIZED);
}
static void rs_drv_get_rate(void *mvm_r, struct ieee80211_sta *sta,
@@ -3117,7 +3123,7 @@ void iwl_mvm_update_frame_stats(struct iwl_mvm *mvm, u32 rate, bool agg)
* Called after adding a new station to initialize rate scaling
*/
static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band, bool init)
+ enum nl80211_band band)
{
int i, j;
struct ieee80211_hw *hw = mvm->hw;
@@ -3134,7 +3140,8 @@ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
sband = hw->wiphy->bands[band];
lq_sta->lq.sta_id = mvmsta->sta_id;
- mvmsta->tlc_amsdu = false;
+ mvmsta->amsdu_enabled = 0;
+ mvmsta->max_amsdu_len = sta->max_amsdu_len;
for (j = 0; j < LQ_SIZE; j++)
rs_rate_scale_clear_tbl_windows(mvm, &lq_sta->lq_info[j]);
@@ -3196,7 +3203,7 @@ static void rs_drv_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
#ifdef CONFIG_IWLWIFI_DEBUGFS
iwl_mvm_reset_frame_stats(mvm);
#endif
- rs_initialize_lq(mvm, sta, lq_sta, band, init);
+ rs_initialize_lq(mvm, sta, lq_sta, band);
}
static void rs_drv_rate_update(void *mvm_r,
@@ -3216,7 +3223,7 @@ static void rs_drv_rate_update(void *mvm_r,
for (tid = 0; tid < IWL_MAX_TID_COUNT; tid++)
ieee80211_stop_tx_ba_session(sta, tid);
- iwl_mvm_rs_rate_init(mvm, sta, sband->band, false);
+ iwl_mvm_rs_rate_init(mvm, sta, sband->band);
}
#ifdef CONFIG_MAC80211_DEBUGFS
@@ -3744,7 +3751,7 @@ static ssize_t rs_sta_dbgfs_scale_table_read(struct file *file,
(rate->sgi) ? "SGI" : "NGI",
(rate->ldpc) ? "LDPC" : "BCC",
(lq_sta->is_agg) ? "AGG on" : "",
- (mvmsta->tlc_amsdu) ? "AMSDU on" : "");
+ (mvmsta->amsdu_enabled) ? "AMSDU on" : "");
}
desc += scnprintf(buff + desc, bufsz - desc, "last tx rate=0x%X\n",
lq_sta->last_rate_n_flags);
@@ -4062,12 +4069,12 @@ static const struct rate_control_ops rs_mvm_ops_drv = {
};
void iwl_mvm_rs_rate_init(struct iwl_mvm *mvm, struct ieee80211_sta *sta,
- enum nl80211_band band, bool init)
+ enum nl80211_band band)
{
if (iwl_mvm_has_tlc_offload(mvm))
rs_fw_rate_init(mvm, sta, band);
else
- rs_drv_rate_init(mvm, sta, band, init);
+ rs_drv_rate_init(mvm, sta, band);
}
int iwl_mvm_rate_control_register(void)