From mboxrd@z Thu Jan 1 00:00:00 1970 From: Valentin Manea Date: Sat, 10 Oct 2009 10:49:45 +0300 Subject: [ath9k-devel] High speed UDP traffic In-Reply-To: References: <4ACE0AB3.7020205@gmail.com> Message-ID: <4AD03C99.8070401@mrs.ro> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org Actually after snooping around I found out the Dlink card was to blame, it's rate_max_phy was to 72000 kbps. I've tried a different PCI board and now the stream goes up to 160000 kbps. So I guess it all depends on the radios in this boards. Thanks for your help, Valentin On 10/09/2009 08:13 AM, Ranga Rao Ravuri wrote: > may be it is worth adding details, like what AP you are using etc details. > you can check rate statistics to check what rate being used ? > > you can achieve more than 150 mbps only when aggregation is enabled. For > aggregates to go well, you need blockAck. I do not know how you achieve > high throughput without block ack ?, > ~ R > > > On Thu, 8 Oct 2009, Valentin Manea wrote: > > >> Hi, >> >> >> I've been experimenting the last days hacking the ath9k& mac drivers >> to get the highest possible UDP throughput from an AP to a station. >> Unfortunately I'm stuck at 6.6 MB/s and I cannot figure how to get past >> this - I'm using 2 Dlink PCMCIA ar5008 based boards - and if possible I >> would like some suggestions. >> This is my situation now: >> * basically the packets are being sent as AMPDU and I've turned off the >> retries due to bad reception, I've tried disabling BlockAck in the >> receiver, but as soon as I've done that it seems the TX rate falls to >> 0.4MB/s and I don't really understand why. >> - could it be something I missed or is it something hardware related? >> >> >> Thanks, >> Valentin >> _______________________________________________ >> ath9k-devel mailing list >> ath9k-devel at lists.ath9k.org >> https://lists.ath9k.org/mailman/listinfo/ath9k-devel >> >>