From mboxrd@z Thu Jan 1 00:00:00 1970 From: Oleksij Rempel Date: Thu, 09 May 2013 17:09:51 +0200 Subject: [ath9k-devel] minstrel_ht: problems with HT40 In-Reply-To: <518BB57D.80204@openwrt.org> References: <518BA7A8.7030204@rempel-privat.de> <518BB57D.80204@openwrt.org> Message-ID: <518BBC3F.2030007@rempel-privat.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org Am 09.05.2013 16:41, schrieb Felix Fietkau: > On 2013-05-09 3:42 PM, Oleksij Rempel wrote: >> Hallo Felix, >> >> i found your patches for moving ath9k to minstrel_ht and decided to do >> some testing. >> For some reason, minstrel_ht exclude all HT40 rates in my network. With >> native ath9k rate controller I'm able to use HT40. >> Do you have any idea where to start digging? > Do the rates not even show up in the debugfs rate control stats? correct > If so, > check the value of sta->bandwidth at the time minstrel_ht_update_caps() > is called. hmm... for some reasons sta->bandwidth is always 0. my rc_stats are in attachment -- Regards, Oleksij -------------- next part -------------- type rate throughput ewma prob this prob retry this succ/attempt success attempts CCK/LP 1.0M 0.9 99.9 100.0 0 0( 0) 29 30 CCK/SP 2.0M 0.0 0.0 0.0 0 0( 0) 0 0 CCK/SP 5.5M 0.0 0.0 0.0 0 0( 0) 0 0 CCK/SP 11.0M 0.0 0.0 0.0 0 0( 0) 0 0 HT20/LGI MCS0 6.2 100.0 100.0 1 0( 0) 1 1 HT20/LGI MCS1 11.7 100.0 100.0 0 0( 0) 1 1 HT20/LGI MCS2 16.4 100.0 100.0 0 0( 0) 1 1 HT20/LGI MCS3 20.7 100.0 100.0 0 0( 0) 1 1 HT20/LGI MCS4 28.0 100.0 100.0 5 0( 0) 1 1 HT20/LGI MCS5 27.9 82.9 100.0 5 0( 0) 15 19 HT20/LGI t MCS6 28.9 80.2 25.0 5 0( 0) 109 123 HT20/LGI T P MCS7 38.9 99.9 100.0 5 1( 1) 782 813 Total packet count:: ideal 975 lookaround 48 Average A-MPDU length: 1.0