Return-path: Received: from wa-out-1112.google.com ([209.85.146.179]:37017 "EHLO wa-out-1112.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753661AbZGMHHy (ORCPT ); Mon, 13 Jul 2009 03:07:54 -0400 Received: by wa-out-1112.google.com with SMTP id j5so387283wah.21 for ; Mon, 13 Jul 2009 00:07:53 -0700 (PDT) Message-ID: <4A5ADB52.3080401@gmail.com> Date: Mon, 13 Jul 2009 02:59:30 -0400 From: Richard Farina MIME-Version: 1.0 To: Tim Schneider CC: Linux-wireless Subject: Re: Reading the RSSI from a Kernel Module References: <0D620DB9-0DF4-41BB-8686-5BC910F88C79@cs.uni-bonn.de> In-Reply-To: <0D620DB9-0DF4-41BB-8686-5BC910F88C79@cs.uni-bonn.de> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: Tim Schneider wrote: > Hi, > > I am trying to write a Kernel Module with an implementation of a new > TCP-Algorithm. Since I need to know the RSSI-Value (Received Signal > Strength indication) of the sent package, I extended the Pluggable > Congestion Control Mechanism by a new function which is called right > after the package is send. At that point, I need to read the RSSI-Value. > > I'm now trying to somehow access that value, but I can't figure out > how. I've come as far, that I found out about the Wirelless > Extensions, which seem to be very promising. In the header file the > author states, that this mechanism can be used by both user-space apps > and kernel modules. Unfortunately nobody seems to ever have used it in > kernel space, since I can't find any documentations about it. I've > already asked this question on the netdev mailing list. They told me, > that there is a new system with a netlink based cfg80211/nl80211 > interface in development right now , which is supposed to replace the > wireless extensions in the future. They also told me, that this would > probably be the correct mailing list for this kind of question. > I don't mean to make this a flame so please do not take it that way. How exactly do you expect to get the RECEIVED Signal Strength indication for a packet which you are SENDING? If you send it, you don't receive it... Just my 0.02 -Rick Farina > I would be very glad, if somebody could give me link to a page > containing informations about this topic, or even just a hint that > could help me. > > Thank you > > Tim Schneider > > -- > 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 >