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path: root/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-agn-rs.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn-rs.c67
1 files changed, 39 insertions, 28 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
index f7d85a2173c8..bfcac5608d87 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c
@@ -295,11 +295,11 @@ static u32 rs_tl_get_load(struct iwl_lq_sta *lq_data, u8 tid)
return tl->total;
}
-static void rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
+static int rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
struct iwl_lq_sta *lq_data, u8 tid,
struct ieee80211_sta *sta)
{
- int ret;
+ int ret = -EAGAIN;
if (rs_tl_get_load(lq_data, tid) > IWL_AGG_LOAD_THRESHOLD) {
IWL_DEBUG_HT(priv, "Starting Tx agg: STA: %pM tid: %d\n",
@@ -313,29 +313,29 @@ static void rs_tl_turn_on_agg_for_tid(struct iwl_priv *priv,
*/
IWL_DEBUG_HT(priv, "Fail start Tx agg on tid: %d\n",
tid);
- ret = ieee80211_stop_tx_ba_session(sta, tid,
+ ieee80211_stop_tx_ba_session(sta, tid,
WLAN_BACK_INITIATOR);
}
- }
+ } else
+ IWL_ERR(priv, "Fail finding valid aggregation tid: %d\n", tid);
+ return ret;
}
static void rs_tl_turn_on_agg(struct iwl_priv *priv, u8 tid,
struct iwl_lq_sta *lq_data,
struct ieee80211_sta *sta)
{
- if ((tid < TID_MAX_LOAD_COUNT))
- rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta);
- else if (tid == IWL_AGG_ALL_TID)
- for (tid = 0; tid < TID_MAX_LOAD_COUNT; tid++)
- rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta);
- if (priv->cfg->use_rts_for_ht) {
- /*
- * switch to RTS/CTS if it is the prefer protection method
- * for HT traffic
- */
- IWL_DEBUG_HT(priv, "use RTS/CTS protection for HT\n");
- priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN;
- iwlcore_commit_rxon(priv);
+ if ((tid < TID_MAX_LOAD_COUNT) &&
+ !rs_tl_turn_on_agg_for_tid(priv, lq_data, tid, sta)) {
+ if (priv->cfg->use_rts_for_ht) {
+ /*
+ * switch to RTS/CTS if it is the prefer protection
+ * method for HT traffic
+ */
+ IWL_DEBUG_HT(priv, "use RTS/CTS protection for HT\n");
+ priv->staging_rxon.flags &= ~RXON_FLG_SELF_CTS_EN;
+ iwlcore_commit_rxon(priv);
+ }
}
}
@@ -868,14 +868,14 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband,
rs_get_tbl_info_from_mcs(tx_rate, priv->band, &tbl_type,
&rs_index);
rs_collect_tx_data(curr_tbl, rs_index,
- info->status.ampdu_ack_len,
- info->status.ampdu_ack_map);
+ info->status.ampdu_len,
+ info->status.ampdu_ack_len);
/* Update success/fail counts if not searching for new mode */
if (lq_sta->stay_in_tbl) {
- lq_sta->total_success += info->status.ampdu_ack_map;
- lq_sta->total_failed += (info->status.ampdu_ack_len -
- info->status.ampdu_ack_map);
+ lq_sta->total_success += info->status.ampdu_ack_len;
+ lq_sta->total_failed += (info->status.ampdu_len -
+ info->status.ampdu_ack_len);
}
} else {
/*
@@ -2078,10 +2078,12 @@ static void rs_rate_scale_perform(struct iwl_priv *priv,
}
/* Else we have enough samples; calculate estimate of
* actual average throughput */
-
- /* Sanity-check TPT calculations */
- BUG_ON(window->average_tpt != ((window->success_ratio *
- tbl->expected_tpt[index] + 64) / 128));
+ if (window->average_tpt != ((window->success_ratio *
+ tbl->expected_tpt[index] + 64) / 128)) {
+ IWL_ERR(priv, "expected_tpt should have been calculated by now\n");
+ window->average_tpt = ((window->success_ratio *
+ tbl->expected_tpt[index] + 64) / 128);
+ }
/* If we are searching for better modulation mode, check success. */
if (lq_sta->search_better_tbl &&
@@ -2558,8 +2560,17 @@ void iwl_rs_rate_init(struct iwl_priv *priv, struct ieee80211_sta *sta, u8 sta_i
lq_sta->active_mimo3_rate);
/* These values will be overridden later */
- lq_sta->lq.general_params.single_stream_ant_msk = ANT_A;
- lq_sta->lq.general_params.dual_stream_ant_msk = ANT_AB;
+ lq_sta->lq.general_params.single_stream_ant_msk =
+ first_antenna(priv->hw_params.valid_tx_ant);
+ lq_sta->lq.general_params.dual_stream_ant_msk =
+ priv->hw_params.valid_tx_ant &
+ ~first_antenna(priv->hw_params.valid_tx_ant);
+ if (!lq_sta->lq.general_params.dual_stream_ant_msk) {
+ lq_sta->lq.general_params.dual_stream_ant_msk = ANT_AB;
+ } else if (num_of_ant(priv->hw_params.valid_tx_ant) == 2) {
+ lq_sta->lq.general_params.dual_stream_ant_msk =
+ priv->hw_params.valid_tx_ant;
+ }
/* as default allow aggregation for all tids */
lq_sta->tx_agg_tid_en = IWL_AGG_ALL_TID;
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