From: Patrick McHardy <kaber@trash.net>
Date: Tue, 10 Nov 2009 06:14:24 +0000 (+0000)
Subject: vlan/macvlan: propagate transmission state to upper layers
X-Git-Tag: v2.6.33-rc1~388^2~393
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cbbef5e183079455763fc470ccf69008f92ab4b6;p=pandora-kernel.git

vlan/macvlan: propagate transmission state to upper layers

Both vlan and macvlan devices usually don't use a qdisc and immediately
queue packets to the underlying device. Propagate transmission state of
the underlying device to the upper layers so they can react on congestion
and/or inform the sending process.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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