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Date:	Wed, 06 May 2015 07:35:16 -0700
From:	Alexei Starovoitov <>
To:	Jesper Dangaard Brouer <>,
	Alexander Duyck <>
CC:, Eric Dumazet <>
Subject: Re: [PATCH 2/2] pktgen: introduce xmit_mode 'rx_inject'

On 5/6/15 1:44 AM, Jesper Dangaard Brouer wrote:
>> I was just wondering.  Since M_RX_INJECT is not compatible with
>> clone_skb couldn't the lines added above be moved down into the block
>> below so that you could avoid the additional conditional jump?
> Sure, that is possible.  I'll let Alexei answer, as it is his code.
> (And repost if he also thinks so...)

I think this optimization makes sense. Cleans up the code a little too.

 > We could call it "stack_inject" instead? ... to take out the confusing
 > "rx" part of an "transmit/xmit" mode that "receives"

I would vote for: 'mode netif_receive' + 'mode start_xmit'
then if out-of-tree guys would want to upstream their stuff something
like 'mode parse_and_consume' can fit.

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