Re: [PATCH v6 1/9] librte_mbuf:the rte_mbuf structure changes

[Thomas Monjalon <thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org>]

2014-10-21 14:14, Liu, Jijiang:
> From: Thomas Monjalon [mailto:thomas.monjalon-pdR9zngts4EAvxtiuMwx3w@public.gmane.org]
> > 2014-10-21 16:46, Jijiang Liu:
> > > -	uint16_t reserved2;       /**< Unused field. Required for padding */
> > > +
> > > +	/**
> > > +	 * Packet type, which is used to indicate ordinary L2 packet format and
> > > +	 * also tunneled packet format such as IP in IP, IP in GRE, MAC in GRE
> > > +	 * and MAC in UDP.
> > > +	 */
> > > +	uint16_t packet_type;
> > 
> > Why not name it "l2_type"?
> 
> In datasheet, this term is called packet type(s).

That's exactly the point I want you really understand!
This is a field in generic mbuf structure, so your datasheet has no value here.

> Personally , I think packet type is  more clear what meaning of this field is . ^_^

You cannot add an API field without knowing what will be its generic meaning.
Please think about it and describe its scope.

Thanks
-- 
Thomas