TX_PACKET_SHIFT_BYTES 1498 drivers/staging/rtl8192u/r8192U_core.c tx_desc->PktSize = (skb->len - TX_PACKET_SHIFT_BYTES) & 0xffff; TX_PACKET_SHIFT_BYTES 2147 drivers/staging/rtl8192u/r8192U_core.c priv->ieee80211->tx_headroom = TX_PACKET_SHIFT_BYTES;