From owner-freebsd-net@FreeBSD.ORG Tue Jun 4 21:12:02 2013 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id C5ACCB9 for ; Tue, 4 Jun 2013 21:12:02 +0000 (UTC) (envelope-from caesarxuchao@gmail.com) Received: from mail-qc0-x229.google.com (mail-qc0-x229.google.com [IPv6:2607:f8b0:400d:c01::229]) by mx1.freebsd.org (Postfix) with ESMTP id 9026F1C5C for ; Tue, 4 Jun 2013 21:12:02 +0000 (UTC) Received: by mail-qc0-f169.google.com with SMTP id c10so16781qcz.0 for ; Tue, 04 Jun 2013 14:12:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:date:message-id:subject:from:to:content-type; bh=ooZ4sGN+lGmeAjpEkUXmlejlBIlm5pDiTzGgcrJuJ48=; b=abj1usEzCrZPdb6I1iGlASM9VSsI0bdFQxFOMKfoXVeMOTIz8/Niz/FWou4j77FGns AH3Pc2tlJnDyKljA9HM54z1adIBCiUlYN/QnYBBFINGNaiHj0giunQYOSUjUHpN6NhAF /srtFxcH7c7PmzpsKzNT1NEYBbhxsXKrkCSI0E+3pov0+rSV3sst9vmxKrQTtSSgXQdC mgWKdMMxlIfJZxJVwLS7K9q3U3Gns2/x4CKJ+AQX95kmDFUcDwX6rr4zx8mMTT8Sl6wu B6yLoqir1IdBOEIa0D7IqYzG3hhSQ4s/fWwr6BhKSZoCmLenxK+Us4L2zppXd/qlemyI WfOg== MIME-Version: 1.0 X-Received: by 10.49.24.13 with SMTP id q13mr8781371qef.49.1370379995907; Tue, 04 Jun 2013 14:06:35 -0700 (PDT) Received: by 10.224.61.75 with HTTP; Tue, 4 Jun 2013 14:06:35 -0700 (PDT) Date: Tue, 4 Jun 2013 16:06:35 -0500 Message-ID: Subject: netmap on wireless NIC From: Chao Xu To: freebsd-net@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 04 Jun 2013 21:12:02 -0000 Hello, Is it possible to hacking some wireless NIC driver (carl9170 for example) to enable netmap on it? I guess this is possible because wireless drivers also manage packets using ring buffers. My goal is to access the raw packets as quickly as possible, not to achieve high data rate. Is there any argument against doing so? Thank you. Regards, Chao