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Message-ID: <039543e0-07c4-4e46-9c79-a507a8123467@gmail.com>
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Subject: [PATCH rtw-next v1 07/13] wifi: rtw89: Add extra TX headroom for USB
From: Bitterblue Smith <rtl8821cerfe2@gmail.com>
To: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Cc: Ping-Ke Shih <pkshih@realtek.com>
References: <b146b670-d91c-41a7-96f0-c37945040aea@gmail.com>
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| Series |
wifi: rtw89: Add support for USB devices
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expand
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diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c index a6e67e22349e..0161721bb0e8 100644 --- a/drivers/net/wireless/realtek/rtw89/core.c +++ b/drivers/net/wireless/realtek/rtw89/core.c @@ -5251,6 +5251,9 @@ 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);
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 <rtl8821cerfe2@gmail.com> --- drivers/net/wireless/realtek/rtw89/core.c | 3 +++ 1 file changed, 3 insertions(+)