From owner-freebsd-drivers@FreeBSD.ORG Wed Mar 14 21:06:41 2012 Return-Path: Delivered-To: freebsd-drivers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id EF797106566C for ; Wed, 14 Mar 2012 21:06:41 +0000 (UTC) (envelope-from adarsh.joshi@qlogic.com) Received: from tx2outboundpool.messaging.microsoft.com (tx2ehsobe001.messaging.microsoft.com [65.55.88.11]) by mx1.freebsd.org (Postfix) with ESMTP id A5AAD8FC18 for ; Wed, 14 Mar 2012 21:06:41 +0000 (UTC) Received: from mail80-tx2-R.bigfish.com (10.9.14.251) by TX2EHSOBE008.bigfish.com (10.9.40.28) with Microsoft SMTP Server id 14.1.225.23; Wed, 14 Mar 2012 21:06:36 +0000 Received: from mail80-tx2 (localhost [127.0.0.1]) by mail80-tx2-R.bigfish.com (Postfix) with ESMTP id 1E8E82E046F for ; Wed, 14 Mar 2012 21:06:36 +0000 (UTC) X-SpamScore: -7 X-BigFish: VPS-7(zzc85fh14ffOzz1202hzz8275bh8275dhz2fh2a8h668h839hd25h) X-Forefront-Antispam-Report: CIP:198.70.193.61; KIP:(null); UIP:(null); IPV:NLI; H:avexcashub1.qlogic.com; RD:avexcashub1.qlogic.com; EFVD:NLI Received-SPF: pass (mail80-tx2: domain of qlogic.com designates 198.70.193.61 as permitted sender) client-ip=198.70.193.61; envelope-from=adarsh.joshi@qlogic.com; helo=avexcashub1.qlogic.com ; 1.qlogic.com ; Received: from mail80-tx2 (localhost.localdomain [127.0.0.1]) by mail80-tx2 (MessageSwitch) id 1331759194148145_22211; Wed, 14 Mar 2012 21:06:34 +0000 (UTC) Received: from TX2EHSMHS039.bigfish.com (unknown [10.9.14.236]) by mail80-tx2.bigfish.com (Postfix) with ESMTP id 1AD9EE009C for ; Wed, 14 Mar 2012 21:06:34 +0000 (UTC) Received: from avexcashub1.qlogic.com (198.70.193.61) by TX2EHSMHS039.bigfish.com (10.9.99.139) with Microsoft SMTP Server (TLS) id 14.1.225.23; Wed, 14 Mar 2012 21:06:33 +0000 Received: from avexmb1.qlogic.org ([fe80::9545:3a4f:c131:467d]) by avexcashub1.qlogic.org ([::1]) with mapi; Wed, 14 Mar 2012 14:06:31 -0700 From: Adarsh Joshi To: "freebsd-drivers@freebsd.org" Date: Wed, 14 Mar 2012 14:06:28 -0700 Thread-Topic: Zero MAC address Thread-Index: Ac0CJTucOy6uhlImT8Ws0ELhIr4yHA== Message-ID: <5E4F49720D0BAD499EE1F01232234BA87438162F44@AVEXMB1.qlogic.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US MIME-Version: 1.0 X-OriginatorOrg: qlogic.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Subject: Zero MAC address X-BeenThere: freebsd-drivers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Writing device drivers for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 14 Mar 2012 21:06:42 -0000 Hello everyone, I assigned a 00:00:00:00:00:00 MAC address to one of my interfaces on a mac= hine and tried to ping the peer machine. The ping did go through fine. I can the see the request and reply packets on the packet capture. I am won= dering if that is legitimate and if not, who is supposed to check that. I m= ean, the stack or the driver on the sending machine or the receiving machin= e. Basically, I am trying to test a statistics utility which keeps track of pa= ckets with invalid MAC addresses. Are the packets with zero MAC addresses = be classified as invalid? Thanks a lot Adarsh ________________________________ This message and any attached documents contain information from QLogic Cor= poration or its wholly-owned subsidiaries that may be confidential. If you = are not the intended recipient, you may not read, copy, distribute, or use = this information. If you have received this transmission in error, please n= otify the sender immediately by reply e-mail and then delete this message.