From mboxrd@z Thu Jan 1 00:00:00 1970 From: kang haiyang Date: Wed, 11 May 2011 14:42:14 +0800 Subject: [ath9k-devel] has anyone done 9280's 1x1 test? In-Reply-To: References: <4DCA21B7.5090303@dongniannetworks.com> Message-ID: <4DCA2FC6.2060403@dongniannetworks.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On 05/11/2011 02:30 PM, Adrian Chadd wrote: > I'm not sure what you're talking about when you say "chainmask 2" on the AP. ok. this is a word in my AP driver. in datasheet, maybe same with chain_sel_x, which specifies the active chain in the tx descriptor. > How many antennas does your AP have? only one, but i can add. for this test, i connect ap and client with one cable with 50dbm attenuation. > How are you configuring the chainmask and chain? on ap, i change my driver directly. on client, i use ath9k's debugfs interface, which contains tx_chainmask and rx_chainmask. > > Adrian > > On 11 May 2011 13:42, kang haiyang wrote: >> hi, >> >> I connected my AP with client by cable, both of them use 9280 card. >> AP's driver is madwifi with proprietary hal, client with ath9k driver >> on ubuntu 10.10. >> I have done a few test for this 1x1 configuration. >> >> from the result i saw if AP is set with chainmask 2, the traffic is >> almost down, >> and chain 1 vs chain 2 is a little worse than chain 1 vs chain1. >> Am i wrong with some bad configurations for this card? >> >> Following is the result: >> >> (5Ghz, 40Mhz, Cable connection between AP and client, iperf tcp) >> >> 1. AP chainmask(tx/rx) 1 , client chainmask(tx/rx) 1 >> - AP Rx 100Mbps >> - AP Tx 90Mbps >> >> 2. AP chainmask 1 , client chainmask 2 >> - AP Rx 50Mbps >> - AP Tx 90Mbps >> >> 3. AP chainmask 2 , client chainmask 2 >> - AP Rx 0 >> - AP Tx 0 >> >> 4. AP chainmask 2 , client chainmask 1 >> - AP Rx 0 >> - AP Tx 0 >> >> best regards, >> kang haiyang >> _______________________________________________ >> ath9k-devel mailing list >> ath9k-devel at lists.ath9k.org >> https://lists.ath9k.org/mailman/listinfo/ath9k-devel >>