EEM_HEAD
if (!((len + EEM_HEAD + ETH_FCS_LEN) % dev->maxpacket))
(headroom >= EEM_HEAD))
> (EEM_HEAD + ETH_FCS_LEN + padlen)) {
EEM_HEAD,
skb2 = skb_copy_expand(skb, EEM_HEAD, ETH_FCS_LEN + padlen, flags);
if (skb->len < EEM_HEAD)
skb_pull(skb, EEM_HEAD);
dev->net->hard_header_len += EEM_HEAD + ETH_FCS_LEN + VLAN_HLEN;