WL1251_TKIP_IV_SPACE
+ WL1251_TKIP_IV_SPACE;
length = le16_to_cpu(tx_hdr->length) + WL1251_TKIP_IV_SPACE;
pos = skb_push(skb, WL1251_TKIP_IV_SPACE);
memmove(pos, pos + WL1251_TKIP_IV_SPACE,
memmove(frame + WL1251_TKIP_IV_SPACE, frame, hdrlen);
skb_pull(skb, WL1251_TKIP_IV_SPACE);