From owner-freebsd-wireless@FreeBSD.ORG Mon Feb 25 07:27:50 2013 Return-Path: Delivered-To: freebsd-wireless@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id E1B38542 for ; Mon, 25 Feb 2013 07:27:50 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-we0-x231.google.com (we-in-x0231.1e100.net [IPv6:2a00:1450:400c:c03::231]) by mx1.freebsd.org (Postfix) with ESMTP id 815BE1F4 for ; Mon, 25 Feb 2013 07:27:50 +0000 (UTC) Received: by mail-we0-f177.google.com with SMTP id d7so2159025wer.36 for ; Sun, 24 Feb 2013 23:27:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:x-received:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; bh=OoyUm/XpeElhlSa+W2FyoiuEtB4s9w+6B2XbDWi8h0g=; b=ULB4NY4IZptvEnoeUG20mSfPtcxKdotYZawE101tl5tmKWtlnI57qyud+b/v9Oyrhf 1FEL+tY2bl5i1IiVNHJwQP7UPqAUguAnELMyomrOjrEOAj38P3ClTOXBAXggmx6TJ3W7 vkXnbLW+c7RPoe4EVoAulVs9ODE5IX2mz0s+nHdwFZWE0n5U8BMyQhJIhgg4Wrjtgmyt IO9aYqtCZacwO+7UrIqnRWNgn3ynlP4DG3vz7Th3P9g4AMvYZAL62sCA+Rooia0jSvfN O9nQSuDkr1DmX5vE5f1dHBnupls9PUjAB2xU9p40BouEuiZu21htDZOwai5zcBlKqCtU waXA== MIME-Version: 1.0 X-Received: by 10.180.81.2 with SMTP id v2mr10103433wix.17.1361777268006; Sun, 24 Feb 2013 23:27:48 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.216.74.194 with HTTP; Sun, 24 Feb 2013 23:27:47 -0800 (PST) In-Reply-To: References: Date: Sun, 24 Feb 2013 23:27:47 -0800 X-Google-Sender-Auth: B_6GC4RnNeiDM0Yunb7ZbT7mFdQ Message-ID: Subject: Re: [RFT] net80211 TX serialisation, take #4 From: Adrian Chadd To: PseudoCylon Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-wireless@freebsd.org X-BeenThere: freebsd-wireless@freebsd.org X-Mailman-Version: 2.1.14 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: Mon, 25 Feb 2013 07:27:50 -0000 The trouble with using a queue is that things will dequeue frames out of order, bceause multiple dequeue contexts (ie, each call to driver_start / driver_transmit) will execute in-parallel. Yay. adrian