Name
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.