netdev - Re: PROBLEM: Bridging does not work with Mellanox ConnectX-2 (mlx4

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20130624084259.4c2211a4@nehalam.linuxnetplumber.net>
Date:	Mon, 24 Jun 2013 08:42:59 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	Pawit Pornkitprasan <p.pawit@...il.com>
Cc:	netdev@...r.kernel.org, Ryousei Takano <takano-ryousei@...t.go.jp>,
	Amir Vadai <amirv@...lanox.com>
Subject: Re: PROBLEM: Bridging does not work with Mellanox ConnectX-2
 (mlx4_en) card in SR-IOV mode

On Mon, 24 Jun 2013 16:55:00 +0900
Pawit Pornkitprasan <p.pawit@...il.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.
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html