Re: [B.A.T.M.A.N.] [PATCH] batman-adv: Enable LockLess TX for softif

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/e3ed8ad1a7b36bc63b31df6fc977...