Return-Path: Date: Sat, 9 Dec 2006 09:48:07 +0800 From: amateur To: BlueZ development Message-ID: <20061209014807.GC3119@163.com> References: <20061207183707.GA15790@163.com> <1165573434.5529.22.camel@aeonflux.holtmann.net> MIME-Version: 1.0 In-Reply-To: <1165573434.5529.22.camel@aeonflux.holtmann.net> Subject: Re: [Bluez-devel] on which level does hcidump work? Reply-To: amateur , BlueZ development List-Id: BlueZ development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Sender: bluez-devel-bounces@lists.sourceforge.net Errors-To: bluez-devel-bounces@lists.sourceforge.net On Fri, Dec 08, 2006 at 11:23:54AM +0100, Marcel Holtmann wrote: > Hi, > > > I'm encountering a problem that the data I sent through a L2CAP socket > > on my local machine doesn't appear in the output of hcidump on the > > remote machine. But it does appear in the output of hcidump on my > > local machine. > > > > So I'm wondering on which level does hcidump work. Does it work on the > > host-dongle interface? What should I do if I want to monitor all the > > information pass through the host-dongle interface(HCI_USB?). Or can I > > make such an assumption that all the data showed in the output of > > hcidump were sent out through the radio? Can I make such a assumption > > that all the data received was showed up in the output of hcidump? > > you see only HCI packets (hence the name). There is no real way to make > sure the packet went over the air. In some cases you can make this > assumption from other stuff that is going on. > Then how can I make sure that the HCI ACL Packet sent by the Host is *really* received correctly by Host Controller? It seems like there doesn't exist any packet acknowlegment sent from the Host Controller. And there isn't a Command-Complete or Command-Status Event for HCI ACL Packet. So should I ensure that the HCI Transport Layer is reliable? I just want to make sure that the Packet I sent through HCI actually reached the Host Controller. -- You will be given a post of trust and responsibility. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys - and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Bluez-devel mailing list Bluez-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bluez-devel