From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Date: Wed, 17 Sep 2014 08:08:08 +0000 (+0200)
Subject: macvlan: allow to enqueue broadcast pkt on virtual device
X-Git-Tag: fixes-for-v3.18-merge-window~87^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=07d92d5cc977a7fe1e683e1d4a6f723f7f2778cb;p=pandora-kernel.git

macvlan: allow to enqueue broadcast pkt on virtual device

Since commit 412ca1550cbe ("macvlan: Move broadcasts into a work queue"), the
driver uses tx_queue_len of the master device as the limit of packets enqueuing.
Problem is that virtual drivers have this value set to 0, thus all broadcast
packets were rejected.
Because tx_queue_len was arbitrarily chosen, I replace it with a static limit
of 1000 (also arbitrarily chosen).

CC: Herbert Xu <herbert@gondor.apana.org.au>
Reported-by: Thibaut Collet <thibaut.collet@6wind.com>
Suggested-by: Thibaut Collet <thibaut.collet@6wind.com>
Tested-by: Thibaut Collet <thibaut.collet@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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