Date: Wed, 10 Apr 2002 00:31:51 +0200 From: Sebastien Petit <spe@selectbourse.net> To: Julian Elischer <julian@elischer.org> Cc: net@freebsd.org Subject: Re: Netgraph question Message-ID: <20020409213955.639A26AA8@spe.homeunix.net> In-Reply-To: <Pine.BSF.4.21.0204091320590.57350-100000@InterJet.elischer.org> References: <Pine.BSF.4.21.0204091320590.57350-100000@InterJet.elischer.org>
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On Tuesday 09 April 2002 22:29, Julian Elischer wrote: > On Tue, 9 Apr 2002, Sebastien Petit wrote: > > Ok julian, > > > > So I must write loadd with ng_ether for the moment and wait for ng_etf > > include in FreeBSD 4.x. > > I can modify my code after if ng_etf is available... > > Last question, when I write a packet on the lower hook, must I include a > > CRC32 field at the end of the ethernet packet ? > > Actually you don't need etf. As archie pointed out.. you can do your own > filtering > and pass anything you don't want (e.g. PPPOE) back to the > interface.. (the the 'upper' hook (and visa versa)) > > I just MFC'd the etf type BTW. > > The HARDWARE adds and strips the CRC.. you can ignore it. > > > > also: what does `ngctl show xl0:` show? > (while it's supposed to be connected) > With tcpdump I see bad cksum 0!, so I think I must recompute ip checksum before resending the packet. Thank you for your help julian, Sebastien -- spe@selectbourse.net To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-net" in the body of the message
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