Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5CF1BC43441 for ; Wed, 21 Nov 2018 12:48:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2F54221479 for ; Wed, 21 Nov 2018 12:48:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2F54221479 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sipsolutions.net Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-wireless-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729347AbeKUXW6 (ORCPT ); Wed, 21 Nov 2018 18:22:58 -0500 Received: from s3.sipsolutions.net ([144.76.43.62]:43674 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726172AbeKUXW6 (ORCPT ); Wed, 21 Nov 2018 18:22:58 -0500 Received: by sipsolutions.net with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.91) (envelope-from ) id 1gPRvu-0003qk-Kh; Wed, 21 Nov 2018 13:48:42 +0100 Message-ID: <4fa8dc82a0c64bc5521fd0aacaa9bf951984d81e.camel@sipsolutions.net> Subject: Re: mac80211_hwsim: multiple antennas From: Johannes Berg To: Ramon Fontes Cc: linux-wireless@vger.kernel.org Date: Wed, 21 Nov 2018 13:48:41 +0100 In-Reply-To: (sfid-20181121_134750_322815_C47C3291) References: <7adcf11c634f31032eaac3c15f8d92b366f14477.camel@sipsolutions.net> (sfid-20181121_134750_322815_C47C3291) Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.28.5 (3.28.5-1.fc28) Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-wireless-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.org On Wed, 2018-11-21 at 09:47 -0300, Ramon Fontes wrote: > Okay! Thanks a lot. > > Indeed, the maximum throughput when using only hwsim is in the order of Gbp/s. So I guess the question is where it's going wrong - is it the wmediumd overhead (netlink), some air simulation in wmediumd, etc. johannes