netdev - Re: RFC: on [ab]use of skb->cb by VLAN code

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Message-ID: <46AF69C7.1090504@hp.com>
Date:	Tue, 31 Jul 2007 09:56:39 -0700
From:	Rick Jones <rick.jones2@...com>
To:	Ben Greear <greearb@...delatech.com>
Cc:	David Miller <davem@...emloft.net>, hadi@...erus.ca,
	kaber@...sh.net, netdev@...r.kernel.org, mcarlson@...adcom.com
Subject: Re: RFC: on [ab]use of skb->cb by VLAN code

> Do we really need an 'unsigned int' for mac_len?  Maybe we could use
> a 16-bit counter here, and then use the other 16 bits for the VLAN bits?

Not knowing exactly if/how it interacts with that specific field I will 
point-out that IPoIB in OFED 1.2 just took their MTU to 65520.  While that 
doesn't break the bitbank it does get rather close.

rick jones
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