From owner-freebsd-wireless@freebsd.org Wed Oct 31 00:04:02 2018 Return-Path: Delivered-To: freebsd-wireless@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C14C61039D90 for ; Wed, 31 Oct 2018 00:04:02 +0000 (UTC) (envelope-from vbotka@gmail.com) Received: from mail-wr1-x42a.google.com (mail-wr1-x42a.google.com [IPv6:2a00:1450:4864:20::42a]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 208878142D for ; Wed, 31 Oct 2018 00:04:02 +0000 (UTC) (envelope-from vbotka@gmail.com) Received: by mail-wr1-x42a.google.com with SMTP id t10-v6so14501895wrn.10 for ; Tue, 30 Oct 2018 17:04:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:in-reply-to:references :organization:mime-version; bh=XUAi0rsyRZwofoUq8AHSwmn87FBhBmNHsSFHW46GetM=; b=vaTijsbV0uYp070gNjjyZkLFQ+JhhDVv9blv0gMSBYxF+SSm9dqcIdNjimddnPgCJk FhYfWLYZDqXbEY1E0PUjC2l+efoekFDkJ6LXcoannU7e/iEEmsgfyModIowp3f0KOunK SZKsSR4eDDcCP1LUXuQ4nthYc2hsVcmN2eLvlhX6vnFPF8aZVTyK7X1N7Lsy8sll20e+ NSriob92tS6HuBK8NhG2DbKhHx7b2I11YPCCvV/mkKYVd488uddiFafCeb2RRBEwmAdw tUjU0dKCix1uwKBk2GhVvVuu5Pxk6KpuMN8e7fpzlg6F7GUyH9Oyi4hTY++RLf/zChhw +sNg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:in-reply-to :references:organization:mime-version; bh=XUAi0rsyRZwofoUq8AHSwmn87FBhBmNHsSFHW46GetM=; b=rBtM4++TFEOUt9t+TdXreon3Zwo5aGm5v+RKYCTHUJxOiWen4V7mT5EWMh1cBuiOde t3UjjW+rsFye7JH0Pll1QDmE4WicVGV+aiAy902YoCxS3txiRyNgwXZHHGoEgTci49Gn ldc73Z4qo0bjeG4WDa0Xrzy+Gcix/oX5kB5ggQGoTxd5hVcOGM2RZf8JNuh7bsMQvpOp oIsWvtQXd4Hxq9L2LLZ4fUSKvlQfIeKaAxcSR0iiYjRkWyc6YVOYmWEkkhhLWSaWylt6 IPPP5AraXcqXbuLgSeWRjXRMf7Yx8OdMKoPWQc6iyAqYpiwSXa3oeCBTo3FDeoh+qfPi qFPg== X-Gm-Message-State: AGRZ1gL7eTRrJaOPVPcjixPjiE99Rz98N9CnTa7KPmhDFKhmcKNG4tdD hZ/9gM94q00iLqEwG95EfFk= X-Google-Smtp-Source: AJdET5dKwrr4SPW8sM/BPz5B/jGm8zWONrSsZG/kyvYK5cVpp5PIbUms2PF9hlSP3bYsXplzJi5Hcg== X-Received: by 2002:adf:bc8f:: with SMTP id g15-v6mr703070wrh.250.1540944240921; Tue, 30 Oct 2018 17:04:00 -0700 (PDT) Received: from planb.netng.org (92-245-202-144.satronet.sk. [92.245.202.144]) by smtp.gmail.com with ESMTPSA id t14-v6sm15983479wra.63.2018.10.30.17.03.59 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 30 Oct 2018 17:03:59 -0700 (PDT) Date: Wed, 31 Oct 2018 01:03:54 +0100 From: Vladimir Botka To: Yuri Cc: freebsd-wireless Subject: Re: Why WiFi connections are established so slowly? Message-ID: <20181031010354.3c219c36@planb.netng.org> In-Reply-To: References: Organization: na X-Mailer: Claws Mail 3.16.0 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; boundary="Sig_/8E6+qPQFUqYSNeIbtrVbKGV"; protocol="application/pgp-signature" X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Discussions of 802.11 stack, tools device driver development." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 31 Oct 2018 00:04:03 -0000 --Sig_/8E6+qPQFUqYSNeIbtrVbKGV Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: quoted-printable On Tue, 30 Oct 2018 16:01:10 -0700 Yuri wrote: > I just measured: 20-40 seconds elapse between the insertion of the WiFi=20 > card and the host obtaining IP address. This is quite slow IMHO. It is=20 > hard to imagine that exchanging a few packets back and forth should take= =20 > that long. > ... Setting "scan_freq: List of frequencies to scan" makes the connection faster (especially for dual-band). https://w1.fi/cgit/hostap/plain/wpa_supplicant/wpa_supplicant.conf HTH, -vlado --Sig_/8E6+qPQFUqYSNeIbtrVbKGV Content-Type: application/pgp-signature Content-Description: OpenPGP digital signature -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEbaThuYKQgbbmDrVkkNGZEo7UTwEFAlvY8WoACgkQkNGZEo7U TwF1HwgAkAqbGc74C4NNaTEWD1IbepdM6/YNTvRTXDcbPqfflRn/JC0Ghew10Jcl 85bFE61yvwfwK7u/v9Dso6fSTPhYx623zzX13KE1lHs56rjVdyv7A4sQ6AhNWbbu YEAsmusAYHXQMt1+WExGWg2So54jeP40/7+TgijgITTAPKeTf9XrhUActtJSlPtO cGOIXc2VCF2vTnQeCUEQ0COaeafFR79h3udigvRjclBs19J5Ig5fg0vgbN/LfkE2 8+N7NbSbTk9AByAV2PmvRorUztA8REE1oZYfXO7DkV0rDszowTmTf2iXtZcl3dpJ f+uoonltw0X7+MOoney8aOGYxfhx2g== =vmgq -----END PGP SIGNATURE----- --Sig_/8E6+qPQFUqYSNeIbtrVbKGV--