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Date:	Fri, 08 May 2015 08:57:01 -0700
From:	Eric Dumazet <>
To:	Jesper Dangaard Brouer <>
Cc:	Daniel Borkmann <>,
	Alexei Starovoitov <>,
Subject: Re: [PATCH v5 2/2] pktgen: introduce xmit_mode

On Fri, 2015-05-08 at 17:39 +0200, Jesper Dangaard Brouer wrote:

> The funny thing now is that scaling does not "happen" as we stall on:
>    atomic_long_inc(&skb->dev->rx_dropped);

Note we already have percpu device refcnt.

We could extend this to contain a per cpu rx_dropped, but I guess only
these tests hit this path, so I simply used one atomic_long_t here.

I guess an ingress action can do better, by stealing the packet before
hitting this point.

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