netdev - Re: [PATCH] net: release dst entry in dev_hard_start

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Date:	Tue, 12 May 2009 21:27:48 +0200
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Eric Dumazet <dada1@...mosbay.com>
Cc:	"David S. Miller" <davem@...emloft.net>,
	Linux Netdev List <netdev@...r.kernel.org>,
	Patrick McHardy <kaber@...sh.net>
Subject: Re: [PATCH] net: release dst entry in dev_hard_start_xmit()

On Tue, May 12, 2009 at 10:21:12AM +0200, Eric Dumazet wrote:
> Eric Dumazet a écrit :
...
> > List of devices that must clear this flag is :
> > 
> > - loopback device, because it calls netif_rx() and quoting Patrick :
> >     "ip_route_input() doesn't accept loopback addresses, so loopback packets
> >      already need to have a dst_entry attached."
> > - appletalk/ipddp.c : needs skb->dst in its xmit function
> > 
> > - And all devices that call again dev_queue_xmit() from their xmit function
> > (as some classifiers need skb->dst) : bonding, macvlan, eql, ifb, hdlc_fr

Why not vlan (and/or maybe others in net/ using dev_queue_xmit)?

Jarek P.
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