Return-path: Received: from mail-wi0-f181.google.com ([209.85.212.181]:36976 "EHLO mail-wi0-f181.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750979AbbFKE2p convert rfc822-to-8bit (ORCPT ); Thu, 11 Jun 2015 00:28:45 -0400 Received: by wifx6 with SMTP id x6so63332307wif.0 for ; Wed, 10 Jun 2015 21:28:44 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <911fece613ad9dd7975e53ac808fd495@lanada.kaist.ac.kr> References: <1433913284-18444-1-git-send-email-janusz.dziedzic@tieto.com> <911fece613ad9dd7975e53ac808fd495@lanada.kaist.ac.kr> Date: Thu, 11 Jun 2015 06:28:43 +0200 Message-ID: (sfid-20150611_062852_727865_3AA627BF) Subject: Re: [PATCH v2] ath10k: enable VHT for IBSS From: Janusz Dziedzic To: Sangwoo Moon Cc: "ath10k@lists.infradead.org" , linux-wireless@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 10 June 2015 at 20:04, Sangwoo Moon wrote: > Hello, > > Thanks much for your help. > However, I have looked at my driver code and > did not find any implementations such as wiphy_ext_feature_set() > or NL80211_EXT_FEATURE_VHT_IBSS. > It seems not simple to apply your patch into my version of ath10k device > driver. > I am currently using backports-3.16-rc1-1 for ath10k device driver code > in order to match the kernel version v3.16 for Ubuntu 14.04.02. > You can use newest backports with older kernel (new mac80211/cfg80211/drivers with old kernel). Or you can build and install new kernel for Ubuntu. I am using https://github.com/kvalo/ath BR Janusz > Could you tell me the version of kernel and ath10k device driver of your > test configuration? > Or is there any way to apply your version of patch code into linux kernel > v3.16? > (I expect the version will be much more recent one than mine) > > Thanks, > --Sangwoo Moon > > 2015-06-10 14:14에 Janusz Dziedzic이(가) 작성한 내용: > >> Enable VHT support for IBSS, while mac80211/cfg80211 and >> wpa_supplicant already support this. >> >> In my test env, ath10k 2x2 I get: >> (udp) ath10k-1 >>>> ath10k-2 (server) - speed: 419 Mbits/sec >> (tcp) ath10k-1 >>>> ath10k-2 (server) - speed: 404 Mbits/sec >> >> During tests I used wpa_supplicant (current version), which >> already support IBSS VHT, and choose highest available BW. >> >> Signed-off-by: Janusz Dziedzic >> --- >> drivers/net/wireless/ath/ath10k/mac.c | 2 ++ >> 1 file changed, 2 insertions(+) >> >> diff --git a/drivers/net/wireless/ath/ath10k/mac.c >> b/drivers/net/wireless/ath/ath10k/mac.c >> index f4de717..14a8f25 100644 >> --- a/drivers/net/wireless/ath/ath10k/mac.c >> +++ b/drivers/net/wireless/ath/ath10k/mac.c >> @@ -6949,6 +6949,8 @@ int ath10k_mac_register(struct ath10k *ar) >> goto err_free; >> } >> >> + wiphy_ext_feature_set(ar->hw->wiphy, >> NL80211_EXT_FEATURE_VHT_IBSS); >> + >> /* >> * on LL hardware queues are managed entirely by the FW >> * so we only advertise to mac we can do the queues thing > > > -- > Sangwoo Moon, Ph.D. Candidate > Dept. of EE, KAIST, Korea > (Office) +82-42-350-5486, N1-#819 > (E-mail) swmoon at lanada.kaist.ac.kr > (URL) http://lanada.kaist.ac.kr > Gwahangno 335, Yuseong-Gu Daejeon, S. Korea 305-701 >