netdev - Re: Regarding bottlenecks for high speed packet generation

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Message-ID: <CADAe=+L2hXpYwH-XyNS2HyHQrMQRCmV_v-bs0Qp+sR-mVkzV4A@mail.gmail.com>
Date:	Fri, 26 Oct 2012 08:19:15 +0530
From:	Ajith Adapa <adapa.ajith@...il.com>
To:	Daniel Borkmann <danborkmann@...earbox.net>
Cc:	netdev@...r.kernel.org
Subject: Re: Regarding bottlenecks for high speed packet generation

Hi,

> If the driver uses NAPI [1] / the chip supports that, then not. You
> can observe the hardware / software interrupts via ifpps or watching
> procfs or some other tools, or simply look at the driver
> implementation.
>
> [1] http://www.linuxfoundation.org/collaborate/workgroups/networking/napi

But does NAPI comes into picture in case of transmission of packets ?
I read it comes into picture
only in the case of reception of packets.

Regards,
Ajith
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