MT_USB_TXD_SIZE
u32 val, sz_txd = is_mmio ? MT_TXD_SIZE : MT_USB_TXD_SIZE;
.txwi_size = MT_USB_TXD_SIZE,
.txwi_size = MT_USB_TXD_SIZE,
unsigned int headroom = MT_USB_TXD_SIZE;
hw->extra_tx_headroom += MT_USB_TXD_SIZE;
__le32 *txwi = (__le32 *)(skb->data - MT_USB_TXD_SIZE);
memset(txwi, 0, MT_USB_TXD_SIZE);
skb_push(skb, MT_USB_TXD_SIZE);