From mboxrd@z Thu Jan  1 00:00:00 1970
From: Stephen Hemminger <stephen@networkplumber.org>
Subject: Re: PROBLEM: Bridging does not work with Mellanox ConnectX-2
 (mlx4_en) card in SR-IOV mode
Date: Mon, 24 Jun 2013 08:42:59 -0700
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Cc: netdev@vger.kernel.org, Ryousei Takano <takano-ryousei@aist.go.jp>,
	Amir Vadai <amirv@mellanox.com>
To: Pawit Pornkitprasan <p.pawit@gmail.com>
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On Mon, 24 Jun 2013 16:55:00 +0900
Pawit Pornkitprasan <p.pawit@gmail.com> wrote:

> [1.] One line summary of the problem:
> Bridging does not work with Mellanox ConnectX-2 (mlx4_en) card in SR-IOV mode

For security reasons, SR-IOV cards to not support promiscuous mode required for bridging.
Also the hardware usually can't do fanout to multiple VF's for same unicast packet.