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Tue, 10 Nov 2026 00:02:06 -0800 (PST) Received: from acemagic-m1.tail4fb79.ts.net ([2401:7400:c804:b668:b87c:eff1:b55f:23de]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3b1678ceda0sm2906627a91.5.2026.11.10.00.02.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Nov 2026 00:02:06 -0800 (PST) From: Ho Jie Feng To: Ping-Ke Shih , linux-wireless@vger.kernel.org Cc: Bitterblue Smith , linux-kernel@vger.kernel.org Subject: [PATCH rtw-next v2 4/5] wifi: rtlwifi: usb: move the radiotap headroom size to usb.h Date: Tue, 10 Nov 2026 16:01:40 +0800 Message-ID: <20261110080143.1362021-5-hjf3108@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20261110080143.1362021-1-hjf3108@gmail.com> References: <20261110080143.1362021-1-hjf3108@gmail.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Let drivers use the same define to add headroom for the frames split out of aggregated transfers. Move __RADIO_TAP_SIZE_RSV to usb.h as RTL_RADIO_TAP_SIZE_RSV so chip specific code can use it. Signed-off-by: Ho Jie Feng --- drivers/net/wireless/realtek/rtlwifi/usb.c | 8 ++------ drivers/net/wireless/realtek/rtlwifi/usb.h | 1 + 2 files changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.c b/drivers/net/wireless/realtek/rtlwifi/usb.c index d7b3192262..5aca1a49ca 100644 --- a/drivers/net/wireless/realtek/rtlwifi/usb.c +++ b/drivers/net/wireless/realtek/rtlwifi/usb.c @@ -488,8 +488,6 @@ static unsigned int _rtl_rx_get_padding(struct ieee80211_hdr *hdr, #endif } -#define __RADIO_TAP_SIZE_RSV 32 - static void _rtl_rx_completed(struct urb *_urb) { struct rtl_usb *rtlusb = (struct rtl_usb *)_urb->context; @@ -521,7 +519,7 @@ static void _rtl_rx_completed(struct urb *_urb) hdr = (void *)(_urb->transfer_buffer + RTL_RX_DESC_SIZE); padding = _rtl_rx_get_padding(hdr, size - RTL_RX_DESC_SIZE); - skb = dev_alloc_skb(size + __RADIO_TAP_SIZE_RSV + padding); + skb = dev_alloc_skb(size + RTL_RADIO_TAP_SIZE_RSV + padding); if (!skb) { pr_err("Can't allocate skb for bulk IN!\n"); goto resubmit; @@ -533,7 +531,7 @@ static void _rtl_rx_completed(struct urb *_urb) skb_reserve(skb, padding); /* reserve some space for mac80211's radiotap */ - skb_reserve(skb, __RADIO_TAP_SIZE_RSV); + skb_reserve(skb, RTL_RADIO_TAP_SIZE_RSV); skb_put_data(skb, _urb->transfer_buffer, size); @@ -570,8 +568,6 @@ static void _rtl_rx_completed(struct urb *_urb) usb_anchor_urb(_urb, &rtlusb->rx_cleanup_urbs); } -#undef __RADIO_TAP_SIZE_RSV - static void _rtl_usb_cleanup_rx(struct ieee80211_hw *hw) { struct rtl_priv *rtlpriv = rtl_priv(hw); diff --git a/drivers/net/wireless/realtek/rtlwifi/usb.h b/drivers/net/wireless/realtek/rtlwifi/usb.h index b873bbc9c4..329b734ca1 100644 --- a/drivers/net/wireless/realtek/rtlwifi/usb.h +++ b/drivers/net/wireless/realtek/rtlwifi/usb.h @@ -7,6 +7,7 @@ #include #define RTL_RX_DESC_SIZE 24 +#define RTL_RADIO_TAP_SIZE_RSV 32 #define RTL_USB_DEVICE(vend, prod, cfg) \ .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \ -- 2.53.0