From: Bitterblue Smith Date: Mon, 30 Jun 2025 20:44:28 +0000 (+0300) Subject: wifi: rtw89: Add extra TX headroom for USB X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=ec542d5e4bf660463d8d578ecebb511cbfe66558;p=users%2Fjedix%2Flinux-maple.git wifi: rtw89: Add extra TX headroom for USB In the case of USB the TX descriptor is transmitted in the same buffer as the 802.11 frame, so add the required headroom. Signed-off-by: Bitterblue Smith Acked-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/91fb7579-60e5-4a06-8007-3312639beea6@gmail.com --- diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index fe6b19a078c5..776d2e5ce8a0 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -5591,6 +5591,9 @@ static int rtw89_core_register_hw(struct rtw89_dev *rtwdev) int ret; int tx_headroom = IEEE80211_HT_CTL_LEN; + if (rtwdev->hci.type == RTW89_HCI_TYPE_USB) + tx_headroom += chip->txwd_body_size + chip->txwd_info_size; + hw->vif_data_size = struct_size_t(struct rtw89_vif, links_inst, n); hw->sta_data_size = struct_size_t(struct rtw89_sta, links_inst, n); hw->txq_data_size = sizeof(struct rtw89_txq);