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From: Isaku Yamahata <yamahatanetdev@gmail.com>
To: Alexei Starovoitov <ast@plumgrid.com>
Cc: "Maciej Żenczykowski" <zenczykowski@gmail.com>,
	isaku.yamahata@gmail.com, "David S. Miller" <davem@davemloft.net>,
	"Eric Dumazet" <edumazet@google.com>,
	"Linux NetDev" <netdev@vger.kernel.org>,
	"Nicolas Dichtel" <nicolas.dichtel@6wind.com>,
	yamahatanetdev@gmail.com
Subject: Re: [PATCH net] core/dev: do not ignore dmac in dev_forward_skb()
Date: Tue, 12 Nov 2013 14:25:31 +0900	[thread overview]
Message-ID: <20131112052531.GB22272@private.email.ne.jp> (raw)
In-Reply-To: <CAMEtUuzmZd0RXO+=YhCW7OwfE1kvc2aA2K0gqXRN+LwS-O1f2w@mail.gmail.com>

On Mon, Nov 11, 2013 at 05:12:10PM -0800,
Alexei Starovoitov <ast@plumgrid.com> wrote:

> On Mon, Nov 11, 2013 at 4:39 PM, Maciej Żenczykowski
> <zenczykowski@gmail.com> wrote:
> > Ack.
> >
> > I'm sure this breaks whatever the original commit was trying to 'fix',
> > however it does so in a clearly incorrect manner by effectively
> > disabling dst mac address filtering.
> 
> actually it doesn't break it. Isaku's testcase works for me.

The changeset of 963a88b31ddbbe99f38502239b1a46601773d217
  "tunnels: harmonize cleanup done on skb on xmit path"
addresses the issue by calling skb_scrub_packet() when sending skb
through tunnel. So it is safe to revert it.

thanks,
-- 
Isaku Yamahata <isaku.yamahata@gmail.com>

  reply	other threads:[~2013-11-12  5:26 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-11-11 21:52 [PATCH net] core/dev: do not ignore dmac in dev_forward_skb() Alexei Starovoitov
2013-11-12  0:39 ` Maciej Żenczykowski
2013-11-12  1:12   ` Alexei Starovoitov
2013-11-12  5:25     ` Isaku Yamahata [this message]
2013-11-12  8:49 ` Nicolas Dichtel

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