Return-path: Received: from mrs.ro ([207.192.75.59]:50396 "EHLO li37-59.members.linode.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751379AbZF3Psb (ORCPT ); Tue, 30 Jun 2009 11:48:31 -0400 Received: from localhost (localhost [127.0.0.1]) by li37-59.members.linode.com (Postfix) with ESMTP id 5B89A794B for ; Tue, 30 Jun 2009 18:48:34 +0300 (EEST) Received: from li37-59.members.linode.com ([127.0.0.1]) by localhost (mrs.ro [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HJMED8Mfk6pn for ; Tue, 30 Jun 2009 18:48:27 +0300 (EEST) Received: from [192.168.0.130] (unknown [86.35.141.223]) by li37-59.members.linode.com (Postfix) with ESMTP id AD2C9794A for ; Tue, 30 Jun 2009 18:48:26 +0300 (EEST) Message-ID: <4A4A33C8.5080601@mrs.ro> Date: Tue, 30 Jun 2009 18:48:24 +0300 From: Valentin Manea MIME-Version: 1.0 To: linux-wireless@vger.kernel.org Subject: Re: mac80211 and broadcast frames References: <4A49EEC3.3060108@mrs.ro> In-Reply-To: <4A49EEC3.3060108@mrs.ro> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: Hello Again, I have been studying the network statistics for this problem and they don't really make sense to me, if I bombard the wireless device with broadcast packets *RX packets* in ifconfig increases very fast but *RX bytes* does not. However when I'm doing the same thing over the wired device both of them increase very fast. This doesn't really make sense to me, I don't understand where those packets are going exactly. Thanks, Valentin On 06/30/2009 01:53 PM, Valentin Manea wrote: > Hi, > > I've been working on a small project that basically sends broadcast > UDP frames from an Wireless AP to multiple clients. While I can send > UDP frames just fine from the AP to the client the only a few > broadcast frames reach my client. What is really puzzling is that on > the client machine using tcpdump I can see all the broadcast frames > arriving, my application sees only a small fraction of them. > > * I have suspected some bug in the application, but the same app using > the same computers works fine when using wired ethernet. > * I have used both 2.6.30 and the latest wireless-testing kernels, the > results are the same > * I have used the latest hostapd in AP mode > * I did the same tests in ad-hoc mode, the results are the same > * I used both atheros and intel wireless cards, the problem is not > related to the wireless drivers. > > Any ideea what I'm doing wrong? > > > Thanks, > Valentin > > -- > To unsubscribe from this list: send the line "unsubscribe > linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html