From: Sven Eckelmann <sven@narfation.org>
To: b.a.t.m.a.n@lists.open-mesh.org
Subject: Re: [B.A.T.M.A.N.] [PATCH] batman-adv: Enable LockLess TX for softif
Date: Fri, 14 Sep 2018 19:48:35 +0200 [thread overview]
Message-ID: <2079093.ygK4H1pEnq@sven-edge> (raw)
In-Reply-To: <20180911155942.15494-1-sven@narfation.org>
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On Dienstag, 11. September 2018 17:59:42 CEST Sven Eckelmann wrote:
> The batadv interfaces are virtual interfaces which just tunnel the traffic
> over other ethernet compatible interfaces. It doesn't need serialization
> during the tx phase and is using RCU for most of its internal
> datastructures. Since it doesn't have actual queues which could be locked
> independently, the throughput gets significantly reduced by the extra lock
> in the core net code.
>
> 8 parallel TCP connections forwarded by an IPQ4019 based hardware over
> 5GHz could reach:
>
> * without LLX: 349 Mibit/s
> * with LLX: 563 Mibit/s
>
> Signed-off-by: Sven Eckelmann <sven@narfation.org>
> ---
> net/batman-adv/soft-interface.c | 1 +
> 1 file changed, 1 insertion(+)
Applied as e3ed8ad1a7b3 [1]
Kind regards,
Sven
[1] https://git.open-mesh.org/batman-adv.git/commit/e3ed8ad1a7b36bc63b31df6fc9771dc63f8cac3e
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prev parent reply other threads:[~2018-09-14 17:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-11 15:59 [B.A.T.M.A.N.] [PATCH] batman-adv: Enable LockLess TX for softif Sven Eckelmann
2018-09-11 16:07 ` Sven Eckelmann
2018-09-14 17:48 ` Sven Eckelmann [this message]
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