From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sipsolutions.net (s3.sipsolutions.net [IPv6:2a01:4f8:191:4433::2]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 3DFFC3CB3A for ; Fri, 22 Nov 2019 08:00:05 -0500 (EST) Received: by sipsolutions.net with esmtpsa (TLS1.3:ECDHE_SECP256R1__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim 4.92.3) (envelope-from ) id 1iY8Xa-0003lh-4d; Fri, 22 Nov 2019 14:00:02 +0100 Message-ID: From: Johannes Berg To: Toke =?ISO-8859-1?Q?H=F8iland-J=F8rgensen?= , Kan Yan Cc: linux-wireless@vger.kernel.org, make-wifi-fast@lists.bufferbloat.net, nbd@nbd.name, yiboz@codeaurora.org, john@phrozen.org, lorenzo@kernel.org, rmanohar@codeaurora.org, kevinhayes@google.com Date: Fri, 22 Nov 2019 14:00:01 +0100 In-Reply-To: <87tv6w3w92.fsf@toke.dk> References: <20191119060610.76681-1-kyan@google.com> <20191119060610.76681-3-kyan@google.com> <3e7bea0cc643714ec90978a7999022544a39b118.camel@sipsolutions.net> <87tv6w3w92.fsf@toke.dk> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.30.5 (3.30.5-1.fc29) MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [Make-wifi-fast] [PATCH v11 2/4] mac80211: Import airtime calculation code from mt76 X-BeenThere: make-wifi-fast@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 22 Nov 2019 13:00:05 -0000 > Well, one calculates bitrates while the other calculates airtime? ;) :) > But yeah, I get what you mean. I think Felix went through quite some > pains to structure this code to avoid divisions in the fast path. I > guess that is the main blocker for cfg80211_calculate_bitrate() to be > used instead (assuming we do want to consolidate them eventually). Not > sure if that can be fixed easily though? We could also do it the other way around? Or maybe we should keep both and use them as a sanity check for each other :P johannes