linux-kernel - Re: [PATCH net-next v8 28/28] net: WireGuard secure network tunnel

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Message-ID: <CAHmME9ocqh0CGv2Gnj7k148Pe7nk8rEn2eo47rVZ4d_44RRfCA@mail.gmail.com>
Date:   Fri, 26 Oct 2018 02:00:04 +0200
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Andrew Lunn <andrew@...n.ch>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        Netdev <netdev@...r.kernel.org>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>,
        David Miller <davem@...emloft.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: Re: [PATCH net-next v8 28/28] net: WireGuard secure network tunnel

Hi Andrew,

On Fri, Oct 26, 2018 at 12:53 AM Andrew Lunn <andrew@...n.ch> wrote:
> > This is on the hot path, actually. Well, it's not on path of data
> > packets, but I do consider handshake packets to be fairly "warm".
>
> So for me, hot path is something called 10 million timers per
> second. How often do handshake packets happen?

I can actually imagine situations in which this rate might happen.
Handshake performance is important.

Jason