diff mbox series

[rtw-next,4/4] wifi: rtw89: set pre-calculated antenna matrices for HE trigger frame

Message ID 20250416081241.36138-5-pkshih@realtek.com
State New
Headers show
Series wifi: rtw89: update 8852C firmware format version 2 and etc | expand

Commit Message

Ping-Ke Shih April 16, 2025, 8:12 a.m. UTC 
From: Kuan-Chung Chen <damon.chen@realtek.com>

Pre-calculated antenna matrices can improve 160MHz uplink OFDMA
performance, but they are only needed for the HE trigger frame.

Signed-off-by: Kuan-Chung Chen <damon.chen@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
---
 drivers/net/wireless/realtek/rtw89/core.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index 869728922def..255109462517 100644
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -2060,10 +2060,21 @@  static void rtw89_stats_trigger_frame(struct rtw89_dev *rtwdev,
 			break;
 
 		if (aid == vif->cfg.aid) {
-			enum nl80211_he_ru_alloc rua = rtw89_he_rua_to_ru_alloc(tf_rua >> 1);
+			enum nl80211_he_ru_alloc rua;
 
 			rtwvif->stats.rx_tf_acc++;
 			rtwdev->stats.rx_tf_acc++;
+
+			/* The following only required for HE trigger frame, but we
+			 * cannot use UL HE-SIG-A2 reserved subfield to identify it
+			 * since some 11ax APs will fill it with all 0s, which will
+			 * be misunderstood as EHT trigger frame.
+			 */
+			if (bss_conf->eht_support)
+				break;
+
+			rua = rtw89_he_rua_to_ru_alloc(tf_rua >> 1);
+
 			if (tf_bw == IEEE80211_TRIGGER_ULBW_160_80P80MHZ &&
 			    rua <= NL80211_RATE_INFO_HE_RU_ALLOC_106)
 				rtwvif_link->pwr_diff_en = true;