From owner-freebsd-wireless@freebsd.org Wed Oct 31 00:10:30 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 D8C3A1039EC2 for ; Wed, 31 Oct 2018 00:10:29 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-wr1-x42d.google.com (mail-wr1-x42d.google.com [IPv6:2a00:1450:4864:20::42d]) (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 3CEE58154B for ; Wed, 31 Oct 2018 00:10:29 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-wr1-x42d.google.com with SMTP id j26-v6so366727wre.1 for ; Tue, 30 Oct 2018 17:10:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=juFhwkTlvGF4XoWsAlQEMc955YUTSwSOVt/tD1zxuTk=; b=GjoJ9B6HuswKOg0W84J9XQrMd2125MNZkN2xlVmeBlZvMu8a3yfHNfvK9zkKCT1/pC zpJx5bSyBX5b4gIY/RZALf4v08Kb1dsZmm0R51c3bBwttbftmn+qTQETHfrF6UHj+AkZ nJdA8DNHER94rCYKZRBW1u41pOXqozQ2yCj9b4yMhEJ9Sl6mIeOh8xbvVhkvBvtHfmgx j7TgE2aWk/oyG6r6OE8d8nvxezs08bNvlLpp1NOWa218mK3KB1soE8XDTDOhB0cWgIJQ S+2pVl7ANMgG2Bngjc24A5A3YcHYbvgrN3Qa/7GVseOACFSQMDZrXKq3sTsNuW3/Q8GS GwnA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=juFhwkTlvGF4XoWsAlQEMc955YUTSwSOVt/tD1zxuTk=; b=Yk1eYnHZYbSGbisvUxiS850DRrLfkVYYtAqw5TqNK9vzzK+M0Li+Xh5uhH4LmV6rU4 2CB80urd9bWOAnFsNvNJgduiBkp/jwDZvv/HrgNU+am/NI0ad2oCDmvvHUk/ggkVRbch hogBofYAas9rCVCRmF5JKmNdABOOkOitht+QhICfm1bY6+EkNetQomxJJw7Cil0mj7r3 Gh3iDGU1NAvyXrx/3l+yXNEdZj/12i0GlD5rZMC9kNXlQD8oICvmz/WzszauBaYsED/3 VlGgtVpGT6GL3APVCbKLtWCq7cjoszBxfjXtu09SOR3k0wVIlSuY+Z8C5XV2WrfWzPYL 2nhA== X-Gm-Message-State: AGRZ1gIdUMkxpwDxwGrBDg+b/Qdwz5kYIWBX7OddA3YgpUtYbcgKwUay /FCW+kf2YLJKYPQ7oL/DumZa9d0Ni5iLkQ4h4Jqlyw== X-Google-Smtp-Source: AJdET5d+qC5Gf5dau6JQBA3n85iG+Cg317hKWrMndkoi2LSilwUMqyZPFR7JWr0NeJYFkaX57B6bG9DjkjdghpgNYAM= X-Received: by 2002:adf:826b:: with SMTP id 98-v6mr675453wrb.312.1540944627691; Tue, 30 Oct 2018 17:10:27 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Adrian Chadd Date: Tue, 30 Oct 2018 17:10:14 -0700 Message-ID: Subject: Re: Why WiFi connections are established so slowly? To: Yuri Cc: "freebsd-wireless@freebsd.org" Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.29 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 00:10:30 -0000 It'd be interesting to figure out how much each step is taking. Eg, USB detect, firmware load, create interface, bstart wpa_supplicant, etc - that should be quick. I wonder if scan is taking forever.. On Tue, 30 Oct 2018 at 16:03, Yuri wrote: > I just measured: 20-40 seconds elapse between the insertion of the WiFi > card and the host obtaining IP address. This is quite slow IMHO. It is > hard to imagine that exchanging a few packets back and forth should take > that long. > > > Is something wrong with my setup? Can there be some bug that affects > this? Or should this be considered normal? > > > /etc/rc.config has: > > wlans_run0="wlan0" > > ifconfig_wlan0="WPA SYNCDHCP" > > wpa_supplicant_enable="YES" > > wpa_supplicant_program="/usr/local/sbin/wpa_supplicant" > > > run(4), FreeBSD 12 amd64. > > > Thanks, > > Yuri > > > _______________________________________________ > freebsd-wireless@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-wireless > To unsubscribe, send any mail to "freebsd-wireless-unsubscribe@freebsd.org > " >