Return-path: Received: from mail-wg0-f42.google.com ([74.125.82.42]:36786 "EHLO mail-wg0-f42.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751633AbbDNFez convert rfc822-to-8bit (ORCPT ); Tue, 14 Apr 2015 01:34:55 -0400 Received: by wgsk9 with SMTP id k9so102699163wgs.3 for ; Mon, 13 Apr 2015 22:34:53 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <552C5AE9.4050304@candelatech.com> References: <55285D8D.6070703@candelatech.com> <552BFFB8.6030301@candelatech.com> <552C5AE9.4050304@candelatech.com> Date: Tue, 14 Apr 2015 07:34:53 +0200 Message-ID: (sfid-20150414_073458_507133_1A8C610C) Subject: Re: CT ath10k firmware now supports IBSS + RSN From: Michal Kazior To: Ben Greear Cc: ath10k , "hostap@lists.shmoo.com" , "linux-wireless@vger.kernel.org" Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On 14 April 2015 at 02:10, Ben Greear wrote: > On 04/13/2015 10:41 AM, Ben Greear wrote: >> Looks like I have some more work to do. For any moderately large frames, >> I am now dropping the last 16 bytes. Looks like the skb_put_padto logic >> was working around a more serious issue... > > A better-tested version of kernel and firmware is uploaded now. > > Looks like I needed to add a hack to firmware to bump pkt-size by > 16 for IBSS + RSN encrypted frames. Not sure exactly why, but seems > to work in light testing. > > I removed the skb-padto hack from the kernel, and kernel is rebased on > top of official 4.0 now. Hmm.. Maybe this is related to MMIC. Maybe frame fragment length must be different from frame length (ath10k_htt_tx(), htt_data_tx_desc_frag)? Perhaps a similar hack as with RAW txmode[1] needs to be applied..? [1]: https://www.mail-archive.com/ath10k@lists.infradead.org/msg00241.html Michał