eth_type_trans (9) Linux Manual Page
eth_type_trans – determine the packet’s protocol ID. Synopsis __be16 eth_type_trans(struct sk_buff * skb, struct net_device * dev); Arguments skb received socket data dev receiving network device Description The rule here is that we assume 802.3 if the type field is short enough to be a length. This is normal practice and works for any ‘now in use’ protocol. Copyright
