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Re: kern/46961: Please support BCM57762 Ethernet arapter(Apple'sThunderbolt Ethernet Adapter)



The following reply was made to PR kern/46961; it has been noted by GNATS.

From: David Laight <david%l8s.co.uk@localhost>
To: 
Cc: gnats-bugs%NetBSD.org@localhost
Subject: Re: kern/46961: Please support BCM57762 Ethernet 
arapter(Apple'sThunderbolt Ethernet Adapter)
Date: Mon, 17 Sep 2012 18:52:22 +0100

 On Tue, Sep 18, 2012 at 02:53:10AM +0900, Izumi Tsutsui wrote:
 > >  One possibility is for supporting PPPoE.
 > 
 > I've already checked that sys/net/if_pppoe.c has:
 > >> #define PPPOE_MAXMTU      (ETHERMTU - PPPOE_OVERHEAD)
 >  :
 > >>   sc->sc_sppp.pp_if.if_mtu = PPPOE_MAXMTU;
 > so I guess pppoe packets won't be larger than ETHER_MAX_LEN.
 
 Not usually, but it would be very useful to allow the encasulation
 of full sized ethernet packets.
 Some routers (and ISP side kit) support it.
 
        David
 
 -- 
 David Laight: david%l8s.co.uk@localhost
 


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