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From: Sepherosa Ziehau <sepherosa@gmail.com>
Date: Tue, 24 Jan 2017 14:57:12 +0800
Message-ID: <CAMOc5cxapOdEv1dX8t-3r-UJ7UoCTrfjArQ7YV0D03iefNEEMw@mail.gmail.com>
Subject: Re: High priority for the tx queue in netmap
To: Xiaoye Sun <Xiaoye.Sun@rice.edu>
Cc: FreeBSD Net <freebsd-net@freebsd.org>
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On Tue, Jan 24, 2017 at 4:09 AM, Xiaoye Sun <Xiaoye.Sun@rice.edu> wrote:
> Hi,
>
> In my application, there are multiple tx queues in the OS, and the netmap
> program uses one tx queue. I wondering if I can give the netmap tx queue
> higher priority so that the NIC always sends the packets from this queue if
> netmap put any packet to it.

You need to check your NIC chip vendor for this.

Thanks,
sephe