iwlwifi: mvm: fix the FIFO numbers in A000 devices

The FIFO numbering is different in A000 devices. This
means that we routed BE packets to BK FIFO. Fix this.
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>

drivers/net/wireless/intel/iwlwifi/fw/api/txq.h

@@ -111,6 +111,18 @@ enum iwl_mvm_tx_fifo {
 	IWL_MVM_TX_FIFO_CMD = 7,
 };
 
+enum iwl_gen2_tx_fifo {
+	IWL_GEN2_TX_FIFO_CMD = 0,
+	IWL_GEN2_EDCA_TX_FIFO_BK,
+	IWL_GEN2_EDCA_TX_FIFO_BE,
+	IWL_GEN2_EDCA_TX_FIFO_VI,
+	IWL_GEN2_EDCA_TX_FIFO_VO,
+	IWL_GEN2_TRIG_TX_FIFO_BK,
+	IWL_GEN2_TRIG_TX_FIFO_BE,
+	IWL_GEN2_TRIG_TX_FIFO_VI,
+	IWL_GEN2_TRIG_TX_FIFO_VO,
+};
+
 /**
  * enum iwl_tx_queue_cfg_actions - TXQ config options
  * @TX_QUEUE_CFG_ENABLE_QUEUE: enable a queue

drivers/net/wireless/intel/iwlwifi/mvm/mac-ctxt.c

@@ -80,6 +80,13 @@ const u8 iwl_mvm_ac_to_tx_fifo[] = {
 	IWL_MVM_TX_FIFO_BK,
 };
 
+const u8 iwl_mvm_ac_to_gen2_tx_fifo[] = {
+	IWL_GEN2_EDCA_TX_FIFO_VO,
+	IWL_GEN2_EDCA_TX_FIFO_VI,
+	IWL_GEN2_EDCA_TX_FIFO_BE,
+	IWL_GEN2_EDCA_TX_FIFO_BK,
+};
+
 struct iwl_mvm_mac_iface_iterator_data {
 	struct iwl_mvm *mvm;
 	struct ieee80211_vif *vif;
@@ -774,7 +781,7 @@ static void iwl_mvm_mac_ctxt_cmd_common(struct iwl_mvm *mvm,
 	cmd->filter_flags = cpu_to_le32(MAC_FILTER_ACCEPT_GRP);
 
 	for (i = 0; i < IEEE80211_NUM_ACS; i++) {
-		u8 txf = iwl_mvm_ac_to_tx_fifo[i];
+		u8 txf = iwl_mvm_mac_ac_to_tx_fifo(mvm, i);
 
 		cmd->ac[txf].cw_min =
 			cpu_to_le16(mvmvif->queue_params[i].cw_min);

drivers/net/wireless/intel/iwlwifi/mvm/mvm.h

@@ -1291,6 +1291,14 @@ static inline bool iwl_mvm_is_ctdp_supported(struct iwl_mvm *mvm)
 }
 
 extern const u8 iwl_mvm_ac_to_tx_fifo[];
+extern const u8 iwl_mvm_ac_to_gen2_tx_fifo[];
+
+static inline u8 iwl_mvm_mac_ac_to_tx_fifo(struct iwl_mvm *mvm,
+					   enum ieee80211_ac_numbers ac)
+{
+	return iwl_mvm_has_new_tx_api(mvm) ?
+		iwl_mvm_ac_to_gen2_tx_fifo[ac] : iwl_mvm_ac_to_tx_fifo[ac];
+}
 
 struct iwl_rate_info {
 	u8 plcp;	/* uCode API:  IWL_RATE_6M_PLCP, etc. */

drivers/net/wireless/intel/iwlwifi/mvm/sta.c

@@ -315,7 +315,7 @@ static int iwl_mvm_tdls_sta_init(struct iwl_mvm *mvm,
 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
 		iwl_mvm_enable_ac_txq(mvm, mvmsta->hw_queue[ac],
 				      mvmsta->hw_queue[ac],
-				      iwl_mvm_ac_to_tx_fifo[ac], 0,
+				      iwl_mvm_mac_ac_to_tx_fifo(mvm, ac), 0,
 				      wdg_timeout);
 		mvmsta->tfd_queue_msk |= BIT(mvmsta->hw_queue[ac]);
 	}
@@ -745,7 +745,7 @@ static int iwl_mvm_sta_alloc_queue(struct iwl_mvm *mvm,
 {
 	struct iwl_mvm_sta *mvmsta = iwl_mvm_sta_from_mac80211(sta);
 	struct iwl_trans_txq_scd_cfg cfg = {
-		.fifo = iwl_mvm_ac_to_tx_fifo[ac],
+		.fifo = iwl_mvm_mac_ac_to_tx_fifo(mvm, ac),
 		.sta_id = mvmsta->sta_id,
 		.tid = tid,
 		.frame_limit = IWL_FRAME_LIMIT,
@@ -1303,7 +1303,7 @@ static void iwl_mvm_realloc_queues_after_restart(struct iwl_mvm *mvm,
 			u16 seq = IEEE80211_SEQ_TO_SN(tid_data->seq_number);
 
 			cfg.tid = i;
-			cfg.fifo = iwl_mvm_ac_to_tx_fifo[ac];
+			cfg.fifo = iwl_mvm_mac_ac_to_tx_fifo(mvm, ac);
 			cfg.aggregate = (txq_id >= IWL_MVM_DQA_MIN_DATA_QUEUE ||
 					 txq_id ==
 					 IWL_MVM_DQA_BSS_CLIENT_QUEUE);

drivers/net/wireless/intel/iwlwifi/mvm/tx.c

@@ -751,7 +751,7 @@ 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.