[F/Unstable] [PATCH 1/3] rtw88: No retry and report for auth and assoc

[Kai-Heng Feng]

From: Ping-Ke Shih <pkshih at realtek.com>

BugLink: https://bugs.launchpad.net/bugs/1871300

The certain AP can't handle quick auth/assoc retry proerply, so disable
auth/assoc L2 retry and doesn't report TX status immediately, then wait for
cfg80211 connection retry that in period of 100ms.

Change-Id: I663fc017049b3e663dc3cc0619e00d8e04d0de7e
Signed-off-by: Ping-Ke Shih <pkshih at realtek.com>
Signed-off-by: Kai-Heng Feng <kai.heng.feng at canonical.com>
---
 drivers/net/wireless/realtek/rtw88/main.h |  1 +
 drivers/net/wireless/realtek/rtw88/tx.c   | 10 ++++++++++
 drivers/net/wireless/realtek/rtw88/tx.h   |  5 +++++
 3 files changed, 16 insertions(+)

diff --git a/drivers/net/wireless/realtek/rtw88/main.h b/drivers/net/wireless/realtek/rtw88/main.h
index ab50d3546b66..f311adeb4853 100644
--- a/drivers/net/wireless/realtek/rtw88/main.h
+++ b/drivers/net/wireless/realtek/rtw88/main.h
@@ -600,6 +600,7 @@ struct rtw_tx_pkt_info {
 	u8 hw_ssn_sel;
 	bool en_hw_exseq;
 	bool bt_null;
+	bool no_retry;
 };
 
 struct rtw_rx_pkt_stat {
diff --git a/drivers/net/wireless/realtek/rtw88/tx.c b/drivers/net/wireless/realtek/rtw88/tx.c
index c73b9a0903f6..88c57fe46857 100644
--- a/drivers/net/wireless/realtek/rtw88/tx.c
+++ b/drivers/net/wireless/realtek/rtw88/tx.c
@@ -64,6 +64,11 @@ void rtw_tx_fill_tx_desc(struct rtw_tx_pkt_info *pkt_info, struct sk_buff *skb)
 	SET_TX_DESC_EN_HWEXSEQ(txdesc, pkt_info->en_hw_exseq);
 	SET_TX_DESC_HW_SSN_SEL(txdesc, pkt_info->hw_ssn_sel);
 	SET_TX_DESC_BT_NULL(txdesc, pkt_info->bt_null);
+
+	if (pkt_info->no_retry) {
+		SET_TX_DESC_RETRY_LIMIT_ENABLE(txdesc, 1);
+		SET_TX_DESC_DATA_RETRY_LIMIT(txdesc, 0);
+	}
 }
 EXPORT_SYMBOL(rtw_tx_fill_tx_desc);
 
@@ -374,6 +379,11 @@ void rtw_tx_pkt_info_update(struct rtw_dev *rtwdev,
 	bmc = is_broadcast_ether_addr(hdr->addr1) ||
 	      is_multicast_ether_addr(hdr->addr1);
 
+	if (info->flags & IEEE80211_TX_INTFL_MLME_CONN_TX) {
+		info->flags &= ~IEEE80211_TX_CTL_REQ_TX_STATUS;	// no report
+		pkt_info->no_retry = true;	// don't re-tx
+	}
+
 	if (info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS)
 		rtw_tx_report_enable(rtwdev, pkt_info);
 
diff --git a/drivers/net/wireless/realtek/rtw88/tx.h b/drivers/net/wireless/realtek/rtw88/tx.h
index e1f5bb3e5743..cc92926ceb70 100644
--- a/drivers/net/wireless/realtek/rtw88/tx.h
+++ b/drivers/net/wireless/realtek/rtw88/tx.h
@@ -65,6 +65,11 @@
 	le32p_replace_bits((__le32 *)(txdesc) + 0x03, value, GENMASK(7, 6))
 #define SET_TX_DESC_BT_NULL(txdesc, value)				       \
 	le32p_replace_bits((__le32 *)(txdesc) + 0x02, value, BIT(23))
+#define SET_TX_DESC_RETRY_LIMIT_ENABLE(txdesc, value)			       \
+	le32p_replace_bits((__le32 *)(txdesc) + 0x04, value, BIT(17))
+#define SET_TX_DESC_DATA_RETRY_LIMIT(txdesc, value)			       \
+	le32p_replace_bits((__le32 *)(txdesc) + 0x04, value, GENMASK(23, 18))
+
 
 enum rtw_tx_desc_queue_select {
 	TX_DESC_QSEL_TID0	= 0,
-- 
2.17.1