From: Krzysztof Halasa <[EMAIL PROTECTED]>
Date: Wed, 02 Aug 2006 02:24:43 +0200

> Do you mean IP calls hard_header() which, in turn, does skb_push()?
> 
> How about Ethernet - is it safe? There is hard_header() which blindly
> adds 14 bytes.

I think Alexey is saying that setting ->hard_header() creates an
agreement between the device and IP that IP will make sure
that dev->hard_header_len bytes are available in the header
area.

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