1 files changed, 52 insertions, 124 deletions

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 60360ed73f26..172b5e63d3fb 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -74,7 +74,6 @@
 #include "iwl-eeprom-parse.h"
 #include "mvm.h"
 #include "sta.h"
-#include "fw-dbg.h"
 
 static void
 iwl_mvm_bar_check_trigger(struct iwl_mvm *mvm, const u8 *addr,
@@ -89,15 +88,15 @@ iwl_mvm_bar_check_trigger(struct iwl_mvm *mvm, const u8 *addr,
 	trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_BA);
 	ba_trig = (void *)trig->data;
 
-	if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig))
+	if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig))
 		return;
 
 	if (!(le16_to_cpu(ba_trig->tx_bar) & BIT(tid)))
 		return;
 
-	iwl_mvm_fw_dbg_collect_trig(mvm, trig,
-				    "BAR sent to %pM, tid %d, ssn %d",
-				    addr, tid, ssn);
+	iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
+				"BAR sent to %pM, tid %d, ssn %d",
+				addr, tid, ssn);
 }
 
 #define OPT_HDR(type, skb, off) \
@@ -185,8 +184,14 @@ static u16 iwl_mvm_tx_csum(struct iwl_mvm *mvm, struct sk_buff *skb,
 	else
 		udp_hdr(skb)->check = 0;
 
-	/* mac header len should include IV, size is in words */
-	if (info->control.hw_key)
+	/*
+	 * mac header len should include IV, size is in words unless
+	 * the IV is added by the firmware like in WEP.
+	 * In new Tx API, the IV is always added by the firmware.
+	 */
+	if (!iwl_mvm_has_new_tx_api(mvm) && info->control.hw_key &&
+	    info->control.hw_key->cipher != WLAN_CIPHER_SUITE_WEP40 &&
+	    info->control.hw_key->cipher != WLAN_CIPHER_SUITE_WEP104)
 		mh_len += info->control.hw_key->iv_len;
 	mh_len /= 2;
 	offload_assist |= mh_len << TX_CMD_OFFLD_MH_SIZE;
@@ -553,9 +558,6 @@ static int iwl_mvm_get_ctrl_vif_queue(struct iwl_mvm *mvm,
 {
 	struct iwl_mvm_vif *mvmvif;
 
-	if (!iwl_mvm_is_dqa_supported(mvm))
-		return info->hw_queue;
-
 	mvmvif = iwl_mvm_vif_from_mac80211(info->control.vif);
 
 	switch (info->control.vif->type) {
@@ -654,8 +656,7 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
 
 			if (ap_sta_id != IWL_MVM_INVALID_STA)
 				sta_id = ap_sta_id;
-		} else if (iwl_mvm_is_dqa_supported(mvm) &&
-			   info.control.vif->type == NL80211_IFTYPE_MONITOR) {
+		} else if (info.control.vif->type == NL80211_IFTYPE_MONITOR) {
 			queue = mvm->aux_queue;
 		}
 	}
@@ -674,17 +675,6 @@ int iwl_mvm_tx_skb_non_sta(struct iwl_mvm *mvm, struct sk_buff *skb)
 		return -1;
 	}
 
-	/*
-	 * Increase the pending frames counter, so that later when a reply comes
-	 * in and the counter is decreased - we don't start getting negative
-	 * values.
-	 * Note that we don't need to make sure it isn't agg'd, since we're
-	 * TXing non-sta
-	 * For DQA mode - we shouldn't increase it though
-	 */
-	if (!iwl_mvm_is_dqa_supported(mvm))
-		atomic_inc(&mvm->pending_frames[sta_id]);
-
 	return 0;
 }
 
@@ -752,7 +742,7 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
 	max_amsdu_len = sta->max_amsdu_len;
 
 	/* the Tx FIFO to which this A-MSDU will be routed */
-	txf = iwl_mvm_ac_to_tx_fifo[tid_to_mac80211_ac[tid]];
+	txf = iwl_mvm_mac_ac_to_tx_fifo(mvm, tid_to_mac80211_ac[tid]);
 
 	/*
 	 * Don't send an AMSDU that will be longer than the TXF.
@@ -761,7 +751,8 @@ static int iwl_mvm_tx_tso(struct iwl_mvm *mvm, struct sk_buff *skb,
 	 * fifo to be able to send bursts.
 	 */
 	max_amsdu_len = min_t(unsigned int, max_amsdu_len,
-			      mvm->smem_cfg.lmac[0].txfifo_size[txf] - 256);
+			      mvm->fwrt.smem_cfg.lmac[0].txfifo_size[txf] -
+			      256);
 
 	if (unlikely(dbg_max_amsdu_len))
 		max_amsdu_len = min_t(unsigned int, max_amsdu_len,
@@ -994,22 +985,13 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
 		}
 	}
 
-	if (iwl_mvm_is_dqa_supported(mvm) || is_ampdu)
-		txq_id = mvmsta->tid_data[tid].txq_id;
-
-	if (sta->tdls && !iwl_mvm_is_dqa_supported(mvm)) {
-		/* default to TID 0 for non-QoS packets */
-		u8 tdls_tid = tid == IWL_MAX_TID_COUNT ? 0 : tid;
-
-		txq_id = mvmsta->hw_queue[tid_to_mac80211_ac[tdls_tid]];
-	}
+	txq_id = mvmsta->tid_data[tid].txq_id;
 
 	WARN_ON_ONCE(info->flags & IEEE80211_TX_CTL_SEND_AFTER_DTIM);
 
 	/* Check if TXQ needs to be allocated or re-activated */
 	if (unlikely(txq_id == IWL_MVM_INVALID_QUEUE ||
-		     !mvmsta->tid_data[tid].is_tid_active) &&
-	    iwl_mvm_is_dqa_supported(mvm)) {
+		     !mvmsta->tid_data[tid].is_tid_active)) {
 		/* If TXQ needs to be allocated... */
 		if (txq_id == IWL_MVM_INVALID_QUEUE) {
 			iwl_mvm_tx_add_stream(mvm, mvmsta, tid, skb);
@@ -1036,7 +1018,7 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
 				    txq_id);
 	}
 
-	if (iwl_mvm_is_dqa_supported(mvm) && !iwl_mvm_has_new_tx_api(mvm)) {
+	if (!iwl_mvm_has_new_tx_api(mvm)) {
 		/* Keep track of the time of the last frame for this RA/TID */
 		mvm->queue_info[txq_id].last_frame_time[tid] = jiffies;
 
@@ -1070,10 +1052,6 @@ static int iwl_mvm_tx_mpdu(struct iwl_mvm *mvm, struct sk_buff *skb,
 
 	spin_unlock(&mvmsta->lock);
 
-	/* Increase pending frames count if this isn't AMPDU or DQA queue */
-	if (!iwl_mvm_is_dqa_supported(mvm) && !is_ampdu)
-		atomic_inc(&mvm->pending_frames[mvmsta->sta_id]);
-
 	return 0;
 
 drop_unlock_sta:
@@ -1142,8 +1120,7 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm,
 	lockdep_assert_held(&mvmsta->lock);
 
 	if ((tid_data->state == IWL_AGG_ON ||
-	     tid_data->state == IWL_EMPTYING_HW_QUEUE_DELBA ||
-	     iwl_mvm_is_dqa_supported(mvm)) &&
+	     tid_data->state == IWL_EMPTYING_HW_QUEUE_DELBA) &&
 	    iwl_mvm_tid_queued(mvm, tid_data) == 0) {
 		/*
 		 * Now that this aggregation or DQA queue is empty tell
@@ -1177,13 +1154,6 @@ static void iwl_mvm_check_ratid_empty(struct iwl_mvm *mvm,
 		IWL_DEBUG_TX_QUEUES(mvm,
 				    "Can continue DELBA flow ssn = next_recl = %d\n",
 				    tid_data->next_reclaimed);
-		if (!iwl_mvm_is_dqa_supported(mvm)) {
-			u8 mac80211_ac = tid_to_mac80211_ac[tid];
-
-			iwl_mvm_disable_txq(mvm, tid_data->txq_id,
-					    vif->hw_queue[mac80211_ac], tid,
-					    CMD_ASYNC);
-		}
 		tid_data->state = IWL_AGG_OFF;
 		ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
 		break;
@@ -1295,7 +1265,7 @@ static void iwl_mvm_tx_status_check_trigger(struct iwl_mvm *mvm,
 	trig = iwl_fw_dbg_get_trigger(mvm->fw, FW_DBG_TRIGGER_TX_STATUS);
 	status_trig = (void *)trig->data;
 
-	if (!iwl_fw_dbg_trigger_check_stop(mvm, NULL, trig))
+	if (!iwl_fw_dbg_trigger_check_stop(&mvm->fwrt, NULL, trig))
 		return;
 
 	for (i = 0; i < ARRAY_SIZE(status_trig->statuses); i++) {
@@ -1306,9 +1276,9 @@ static void iwl_mvm_tx_status_check_trigger(struct iwl_mvm *mvm,
 		if (status_trig->statuses[i].status != (status & TX_STATUS_MSK))
 			continue;
 
-		iwl_mvm_fw_dbg_collect_trig(mvm, trig,
-					    "Tx status %d was received",
-					    status & TX_STATUS_MSK);
+		iwl_fw_dbg_collect_trig(&mvm->fwrt, trig,
+					"Tx status %d was received",
+					status & TX_STATUS_MSK);
 		break;
 	}
 }
@@ -1367,6 +1337,7 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
 	while (!skb_queue_empty(&skbs)) {
 		struct sk_buff *skb = __skb_dequeue(&skbs);
 		struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
+		bool flushed = false;
 
 		skb_freed++;
 
@@ -1380,11 +1351,15 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
 		case TX_STATUS_DIRECT_DONE:
 			info->flags |= IEEE80211_TX_STAT_ACK;
 			break;
+		case TX_STATUS_FAIL_FIFO_FLUSHED:
+		case TX_STATUS_FAIL_DRAIN_FLOW:
+			flushed = true;
+			break;
 		case TX_STATUS_FAIL_DEST_PS:
-			/* In DQA, the FW should have stopped the queue and not
+			/* the FW should have stopped the queue and not
 			 * return this status
 			 */
-			WARN_ON(iwl_mvm_is_dqa_supported(mvm));
+			WARN_ON(1);
 			info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
 			break;
 		default:
@@ -1402,7 +1377,7 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
 		/* Single frame failure in an AMPDU queue => send BAR */
 		if (info->flags & IEEE80211_TX_CTL_AMPDU &&
 		    !(info->flags & IEEE80211_TX_STAT_ACK) &&
-		    !(info->flags & IEEE80211_TX_STAT_TX_FILTERED))
+		    !(info->flags & IEEE80211_TX_STAT_TX_FILTERED) && !flushed)
 			info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
 		info->flags &= ~IEEE80211_TX_CTL_AMPDU;
 
@@ -1440,26 +1415,21 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
 		ieee80211_tx_status(mvm->hw, skb);
 	}
 
-	if (iwl_mvm_is_dqa_supported(mvm) || txq_id >= mvm->first_agg_queue) {
-		/* If this is an aggregation queue, we use the ssn since:
-		 * ssn = wifi seq_num % 256.
-		 * The seq_ctl is the sequence control of the packet to which
-		 * this Tx response relates. But if there is a hole in the
-		 * bitmap of the BA we received, this Tx response may allow to
-		 * reclaim the hole and all the subsequent packets that were
-		 * already acked. In that case, seq_ctl != ssn, and the next
-		 * packet to be reclaimed will be ssn and not seq_ctl. In that
-		 * case, several packets will be reclaimed even if
-		 * frame_count = 1.
-		 *
-		 * The ssn is the index (% 256) of the latest packet that has
-		 * treated (acked / dropped) + 1.
-		 */
-		next_reclaimed = ssn;
-	} else {
-		/* The next packet to be reclaimed is the one after this one */
-		next_reclaimed = IEEE80211_SEQ_TO_SN(seq_ctl + 0x10);
-	}
+	/* This is an aggregation queue or might become one, so we use
+	 * the ssn since: ssn = wifi seq_num % 256.
+	 * The seq_ctl is the sequence control of the packet to which
+	 * this Tx response relates. But if there is a hole in the
+	 * bitmap of the BA we received, this Tx response may allow to
+	 * reclaim the hole and all the subsequent packets that were
+	 * already acked. In that case, seq_ctl != ssn, and the next
+	 * packet to be reclaimed will be ssn and not seq_ctl. In that
+	 * case, several packets will be reclaimed even if
+	 * frame_count = 1.
+	 *
+	 * The ssn is the index (% 256) of the latest packet that has
+	 * treated (acked / dropped) + 1.
+	 */
+	next_reclaimed = ssn;
 
 	IWL_DEBUG_TX_REPLY(mvm,
 			   "TXQ %d status %s (0x%08x)\n",
@@ -1542,49 +1512,6 @@ static void iwl_mvm_rx_tx_cmd_single(struct iwl_mvm *mvm,
 		mvmsta = NULL;
 	}
 
-	/*
-	 * If the txq is not an AMPDU queue, there is no chance we freed
-	 * several skbs. Check that out...
-	 */
-	if (iwl_mvm_is_dqa_supported(mvm) || txq_id >= mvm->first_agg_queue)
-		goto out;
-
-	/* We can't free more than one frame at once on a shared queue */
-	WARN_ON(skb_freed > 1);
-
-	/* If we have still frames for this STA nothing to do here */
-	if (!atomic_sub_and_test(skb_freed, &mvm->pending_frames[sta_id]))
-		goto out;
-
-	if (mvmsta && mvmsta->vif->type == NL80211_IFTYPE_AP) {
-
-		/*
-		 * If there are no pending frames for this STA and
-		 * the tx to this station is not disabled, notify
-		 * mac80211 that this station can now wake up in its
-		 * STA table.
-		 * If mvmsta is not NULL, sta is valid.
-		 */
-
-		spin_lock_bh(&mvmsta->lock);
-
-		if (!mvmsta->disable_tx)
-			ieee80211_sta_block_awake(mvm->hw, sta, false);
-
-		spin_unlock_bh(&mvmsta->lock);
-	}
-
-	if (PTR_ERR(sta) == -EBUSY || PTR_ERR(sta) == -ENOENT) {
-		/*
-		 * We are draining and this was the last packet - pre_rcu_remove
-		 * has been called already. We might be after the
-		 * synchronize_net already.
-		 * Don't rely on iwl_mvm_rm_sta to see the empty Tx queues.
-		 */
-		set_bit(sta_id, mvm->sta_drained);
-		schedule_work(&mvm->sta_drained_wk);
-	}
-
 out:
 	rcu_read_unlock();
 }
@@ -1599,7 +1526,7 @@ static const char *iwl_get_agg_tx_status(u16 status)
 	AGG_TX_STATE_(BT_PRIO);
 	AGG_TX_STATE_(FEW_BYTES);
 	AGG_TX_STATE_(ABORT);
-	AGG_TX_STATE_(LAST_SENT_TTL);
+	AGG_TX_STATE_(TX_ON_AIR_DROP);
 	AGG_TX_STATE_(LAST_SENT_TRY_CNT);
 	AGG_TX_STATE_(LAST_SENT_BT_KILL);
 	AGG_TX_STATE_(SCD_QUERY);
@@ -1648,9 +1575,8 @@ static void iwl_mvm_rx_tx_cmd_agg(struct iwl_mvm *mvm,
 	struct iwl_mvm_sta *mvmsta;
 	int queue = SEQ_TO_QUEUE(sequence);
 
-	if (WARN_ON_ONCE(queue < mvm->first_agg_queue &&
-			 (!iwl_mvm_is_dqa_supported(mvm) ||
-			  (queue != IWL_MVM_DQA_BSS_CLIENT_QUEUE))))
+	if (WARN_ON_ONCE(queue < IWL_MVM_DQA_MIN_DATA_QUEUE &&
+			 (queue != IWL_MVM_DQA_BSS_CLIENT_QUEUE)))
 		return;
 
 	if (WARN_ON_ONCE(tid == IWL_TID_NON_QOS))
@@ -1815,6 +1741,8 @@ void iwl_mvm_rx_ba_notif(struct iwl_mvm *mvm, struct iwl_rx_cmd_buffer *rxb)
 	struct iwl_mvm_tid_data *tid_data;
 	struct iwl_mvm_sta *mvmsta;
 
+	ba_info.flags = IEEE80211_TX_STAT_AMPDU;
+
 	if (iwl_mvm_has_new_tx_api(mvm)) {
 		struct iwl_mvm_compressed_ba_notif *ba_res =
 			(void *)pkt->data;