__RADIO_TAP_SIZE_RSV  621 drivers/net/wireless/realtek/rtlwifi/usb.c 		skb = dev_alloc_skb(size + __RADIO_TAP_SIZE_RSV + padding);
__RADIO_TAP_SIZE_RSV  633 drivers/net/wireless/realtek/rtlwifi/usb.c 		skb_reserve(skb, __RADIO_TAP_SIZE_RSV);