From: Kuan-Chung Chen <damon.chen@xxxxxxxxxxx>
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@xxxxxxxxxxx>
Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx>
---
drivers/net/wireless/realtek/rtw89/core.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)
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;
--
2.25.1
