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Fri, 20 Jun 2025 11:59:44 -0700 (PDT) Received: from [192.168.0.50] ([79.119.240.16]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4535e9844a9sm68376425e9.12.2025.06.20.11.59.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 20 Jun 2025 11:59:43 -0700 (PDT) Message-ID: <4f8e955b-d728-4aca-9e65-cdb146f58ac1@gmail.com> Date: Fri, 20 Jun 2025 21:59:42 +0300 Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: [PATCH rtw-next v3 07/14] wifi: rtw89: Add extra TX headroom for USB From: Bitterblue Smith To: "linux-wireless@vger.kernel.org" Cc: Ping-Ke Shih References: Content-Language: en-US In-Reply-To: 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 --- v2: - Add Acked-by. v3: - No change. --- drivers/net/wireless/realtek/rtw89/core.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index bc7af6117709..3e53b1f1a35f 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -5578,6 +5578,9 @@ 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);