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[PATCH 8/8 v3] iwlwifi: A-MPDU Rx flow enabled

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This patch enables the A-MPDU Rx flow. it contains several
adjustments to new mac80211 A-MPDU Rx flow.

Signed-off-by: Ron Rindjunsky <ron.rindjunsky@xxxxxxxxx>
---
 drivers/net/wireless/iwlwifi/iwl-4965.c     |   65 +++++++++++++--------------
 drivers/net/wireless/iwlwifi/iwl-4965.h     |    7 +--
 drivers/net/wireless/iwlwifi/iwl4965-base.c |    3 +-
 3 files changed, 35 insertions(+), 40 deletions(-)

diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index f65fd6e..92e4a05 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -3868,9 +3868,6 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv,
 		.antenna = 0,
 		.rate = iwl4965_hw_get_rate(rx_start->rate_n_flags),
 		.flag = 0,
-#ifdef CONFIG_IWL4965_HT_AGG
-		.ordered = 0
-#endif /* CONFIG_IWL4965_HT_AGG */
 	};
 	u8 network_packet;
 
@@ -4065,7 +4062,7 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv,
 		break;
 
 	case IEEE80211_FTYPE_CTL:
-#ifdef CONFIG_IWL4965_HT_AGG
+#ifdef CONFIG_IWL4965_HT
 		switch (fc & IEEE80211_FCTL_STYPE) {
 		case IEEE80211_STYPE_BACK_REQ:
 			IWL_DEBUG_HT("IEEE80211_STYPE_BACK_REQ arrived\n");
@@ -4076,7 +4073,6 @@ static void iwl4965_rx_reply_rx(struct iwl4965_priv *priv,
 			break;
 		}
 #endif
-
 		break;
 
 	case IEEE80211_FTYPE_DATA: {
@@ -4663,8 +4659,6 @@ void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index,
 	return;
 }
 
-#ifdef CONFIG_IWL4965_HT_AGG
-
 static void iwl4965_sta_modify_add_ba_tid(struct iwl4965_priv *priv,
 					  int sta_id, int tid, u16 ssn)
 {
@@ -4696,6 +4690,36 @@ static void iwl4965_sta_modify_del_ba_tid(struct iwl4965_priv *priv,
 	iwl4965_send_add_station(priv, &priv->stations[sta_id].sta, CMD_ASYNC);
 }
 
+int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
+			     enum ieee80211_ampdu_mlme_action action,
+			     const u8 *addr, u16 tid, u16 ssn)
+{
+	struct iwl4965_priv *priv = hw->priv;
+	int sta_id;
+	DECLARE_MAC_BUF(mac);
+
+	IWL_DEBUG_HT("A-MPDU action on da=%s tid=%d ",
+			print_mac(mac, addr), tid);
+	sta_id = iwl4965_hw_find_station(priv, addr);
+	switch (action) {
+	case IEEE80211_AMPDU_RX_START:
+		IWL_DEBUG_HT("start Rx\n");
+		iwl4965_sta_modify_add_ba_tid(priv, sta_id, tid, ssn);
+		break;
+	case IEEE80211_AMPDU_RX_STOP:
+		IWL_DEBUG_HT("stop Rx\n");
+		iwl4965_sta_modify_del_ba_tid(priv, sta_id, tid);
+		break;
+	default:
+		IWL_DEBUG_HT("unknown\n");
+		return -EINVAL;
+		break;
+	}
+	return 0;
+}
+
+#ifdef CONFIG_IWL4965_HT_AGG
+
 static const u16 default_tid_to_tx_fifo[] = {
 	IWL_TX_FIFO_AC1,
 	IWL_TX_FIFO_AC0,
@@ -4825,33 +4849,6 @@ int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, u8 *da, u16 tid,
 	return 0;
 }
 
-int iwl4965_mac_ht_rx_agg_start(struct ieee80211_hw *hw, u8 *da,
-			    u16 tid, u16 start_seq_num)
-{
-	struct iwl4965_priv *priv = hw->priv;
-	int sta_id;
-	DECLARE_MAC_BUF(mac);
-
-	IWL_WARNING("iwl-AGG iwl4965_mac_ht_rx_agg_start on da=%s"
-		    " tid=%d\n", print_mac(mac, da), tid);
-	sta_id = iwl4965_hw_find_station(priv, da);
-	iwl4965_sta_modify_add_ba_tid(priv, sta_id, tid, start_seq_num);
-	return 0;
-}
-
-int iwl4965_mac_ht_rx_agg_stop(struct ieee80211_hw *hw, u8 *da,
-			   u16 tid, int generator)
-{
-	struct iwl4965_priv *priv = hw->priv;
-	int sta_id;
-	DECLARE_MAC_BUF(mac);
-
-	IWL_WARNING("iwl-AGG iwl4965_mac_ht_rx_agg_stop on da=%s tid=%d\n",
-		    print_mac(mac, da), tid);
-	sta_id = iwl4965_hw_find_station(priv, da);
-	iwl4965_sta_modify_del_ba_tid(priv, sta_id, tid);
-	return 0;
-}
 
 #endif /* CONFIG_IWL4965_HT_AGG */
 #endif /* CONFIG_IWL4965_HT */
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.h b/drivers/net/wireless/iwlwifi/iwl-4965.h
index 267ae75..62b1038 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.h
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.h
@@ -802,13 +802,12 @@ extern void iwl4965_set_rxon_ht(struct iwl4965_priv *priv,
 				struct iwl_ht_info *ht_info);
 extern void iwl4965_set_ht_add_station(struct iwl4965_priv *priv, u8 index,
 				struct ieee80211_ht_info *sta_ht_inf);
+extern int iwl4965_mac_ampdu_action(struct ieee80211_hw *hw,
+				    enum ieee80211_ampdu_mlme_action action,
+				    const u8 *addr, u16 tid, u16 ssn);
 #ifdef CONFIG_IWL4965_HT_AGG
 extern int iwl4965_mac_ht_tx_agg_start(struct ieee80211_hw *hw, u8 *da,
 				   u16 tid, u16 *start_seq_num);
-extern int iwl4965_mac_ht_rx_agg_start(struct ieee80211_hw *hw, u8 *da,
-				   u16 tid, u16 start_seq_num);
-extern int iwl4965_mac_ht_rx_agg_stop(struct ieee80211_hw *hw, u8 *da,
-				  u16 tid, int generator);
 extern int iwl4965_mac_ht_tx_agg_stop(struct ieee80211_hw *hw, u8 *da,
 				  u16 tid, int generator);
 extern void iwl4965_turn_off_agg(struct iwl4965_priv *priv, u8 tid);
diff --git a/drivers/net/wireless/iwlwifi/iwl4965-base.c b/drivers/net/wireless/iwlwifi/iwl4965-base.c
index df6f3b1..94703e0 100644
--- a/drivers/net/wireless/iwlwifi/iwl4965-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl4965-base.c
@@ -9054,11 +9054,10 @@ static struct ieee80211_ops iwl4965_hw_ops = {
 	.erp_ie_changed = iwl4965_mac_erp_ie_changed,
 #ifdef CONFIG_IWL4965_HT
 	.conf_ht = iwl4965_mac_conf_ht,
+	.ampdu_action = iwl4965_mac_ampdu_action,
 #ifdef CONFIG_IWL4965_HT_AGG
 	.ht_tx_agg_start = iwl4965_mac_ht_tx_agg_start,
 	.ht_tx_agg_stop = iwl4965_mac_ht_tx_agg_stop,
-	.ht_rx_agg_start = iwl4965_mac_ht_rx_agg_start,
-	.ht_rx_agg_stop = iwl4965_mac_ht_rx_agg_stop,
 #endif  /* CONFIG_IWL4965_HT_AGG */
 #endif  /* CONFIG_IWL4965_HT */
 	.hw_scan = iwl4965_mac_hw_scan
-- 
1.5.3.3

---------------------------------------------------------------------
Intel Israel (74) Limited

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