On Sun, Nov 03, 2019 at 11:11:53AM +0200, Roi Dayan wrote:
> From: Dmytro Linkin <dmitro...@mellanox.com>
>
> Currently ofproto design disallow duplicating output packet on forwarding
> and mirroring to/from same ovs port. Next scenario reveal lack of design:
> 1. Send ping between regular ovs ports (VFs, for ex.), stop it.
> 2. While rule still exist, make mirror for one of the ports.
> Prevent duplicating of traffic to a mirror port.
>
> Fixes: 86e2dcddce85 ("dpif-xlate: Snoop multicast packets and send them
> properly")
> Signed-off-by: Dmytro Linkin <dmitro...@mellanox.com>
> Acked-by: Roi Dayan <r...@mellanox.com>
Thanks for the patch!
I don't think that the following message is correct, because the tests
here are not concerned with the input port. I think that this message
should be dropped:
> + if (ctx->xin->packet != NULL) {
> + xlate_report_error(ctx, "dropping packet received on
> port %s, "
> + "which is reserved exclusively for
> mirroring",
> + mac_xbundle->name);
> + }
This one might better be phrased as "learned port" rather than "output
port":
> + xlate_report(ctx, OFT_WARN,
> + "output port is a mirror port, dropping");
> + return;
> + }
Thanks,
Ben.
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