From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-lf1-x134.google.com (mail-lf1-x134.google.com [IPv6:2a00:1450:4864:20::134]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by lists.bufferbloat.net (Postfix) with ESMTPS id 5564F3CB37 for ; Wed, 23 Nov 2022 15:36:20 -0500 (EST) Received: by mail-lf1-x134.google.com with SMTP id j16so29823094lfe.12 for ; Wed, 23 Nov 2022 12:36:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=broadcom.com; s=google; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=Z2eu2KDfSCGf4ArM2H7AIVn9qMZpFlK2S0l5Lzq37nw=; b=Q9L8AxRo5A148YhisrJaE/4vr4d/DUNLItAxApLWxdPXkB7LZSZ7NSiZpvKd2pBwfr xRkusZsUdPEjZqAKDP2rYX77jbBBCuoZMu85L8KqjpH+5bnK2+DnH5kTZSUkISw40Du6 uPIz8vcqhBJ9Id5oscuc+tIwbTCM/y2iFHvYM= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=Z2eu2KDfSCGf4ArM2H7AIVn9qMZpFlK2S0l5Lzq37nw=; b=30kZmDcJdnu7kNQihxYjOwSqWTK2MnLp+TLztzEz+gXwyQdGi3SGQNk3pyUs+J6E6C 2r+wPfOBHl2Z/NHvkhWgHRoQ49695/b3FJ7ieRujw3oOl58Q99atKDILKpIJyqDEG8K1 hssSAwW+iAcXOhJLs37lDoJYDWsrIcOv+bHXHBIsNPNH+MVNmMEdOt59oJpWQM/FkR3N gMZuBasXV71cEu9qpkJTWzE/sym2nuMSclv/HquTDNH5kvvw6KTrzd6/IZ/WN3b4Zz5j g/v6emELb84ScA1Hg9X0EwtVXqeT9Adn3pXGUjYDtuZPm1jKsOCi5s6PvGMzSB1O7PkS 7A3w== X-Gm-Message-State: ANoB5pkdTNqpEgFsKCF5g5801f1dUdbCYajV2HFTms/eLXXz5Cr3r5cK Z5pFQTKMyHkVzUSKm3BFxOmgrkNQRA8n32qp8N2lyD4gdKgAtL9KRWRtJtcnF689R10PdQl9EMB 0r+c721vgtCCdvkv3aLSr4tkLPUFo5A== X-Google-Smtp-Source: AA0mqf6ApGh6PgR1Z1qGyd6nNgYzKQtRU13WY8VFlLRgHw5eAvnyfYZzmtmiJbwya/2ZkAcQ8KDto7clNmNi87T9608= X-Received: by 2002:a19:7416:0:b0:4a2:98f2:8324 with SMTP id v22-20020a197416000000b004a298f28324mr10881707lfe.134.1669235778834; Wed, 23 Nov 2022 12:36:18 -0800 (PST) MIME-Version: 1.0 References: <87r0xuvhgp.fsf@toke.dk> <87cz9dvkyf.fsf@toke.dk> In-Reply-To: <87cz9dvkyf.fsf@toke.dk> From: Bob McMahon Date: Wed, 23 Nov 2022 12:36:06 -0800 Message-ID: To: =?UTF-8?B?VG9rZSBIw7hpbGFuZC1Kw7hyZ2Vuc2Vu?= Cc: Neal Cardwell , Make-Wifi-fast , BBR Development , bloat Content-Type: multipart/signed; protocol="application/pkcs7-signature"; micalg=sha-256; boundary="000000000000ab937205ee293d10" Subject: Re: [Bloat] [bbr-dev] Aggregating without bloating - hard times for tcp and wifi X-BeenThere: bloat@lists.bufferbloat.net X-Mailman-Version: 2.1.20 Precedence: list List-Id: General list for discussing Bufferbloat List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 23 Nov 2022 20:36:20 -0000 --000000000000ab937205ee293d10 Content-Type: multipart/alternative; boundary="000000000000a5444e05ee293d19" --000000000000a5444e05ee293d19 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Thanks Toke. Bob On Wed, Nov 23, 2022 at 5:50 AM Toke H=C3=B8iland-J=C3=B8rgensen wrote: > Bob McMahon writes: > > > Does the TSQ code honor no-aggregation per voice access class or > > TCP_NODELAY where the app making the socket write calls knows that the > WiFi > > aggregation isn't likely helpful? Sorry, my Linux stack expertise is > quite > > limited. > > TSQ only influences the buffering in the TCP layer. The WiFi stack will > still limit aggregation using its own logic (I think it turns it off > entirely for voice?). TCP_NODELAY is also orthogonal to TSQ; TSQ only > kicks in when there's a bunch of data buffered, in which case > TCP_NODELAY has no effect... > > -Toke > --=20 This electronic communication and the information and any files transmitted= =20 with it, or attached to it, are confidential and are intended solely for=20 the use of the individual or entity to whom it is addressed and may contain= =20 information that is confidential, legally privileged, protected by privacy= =20 laws, or otherwise restricted from disclosure to anyone else. If you are=20 not the intended recipient or the person responsible for delivering the=20 e-mail to the intended recipient, you are hereby notified that any use,=20 copying, distributing, dissemination, forwarding, printing, or copying of= =20 this e-mail is strictly prohibited. If you received this e-mail in error,= =20 please return the e-mail to the sender, delete it from your computer, and= =20 destroy any printed copy of it. --000000000000a5444e05ee293d19 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Thanks Toke.

<= /div>
Bob

On Wed, Nov 23, 2022 at 5:50 AM Toke H=C3=B8= iland-J=C3=B8rgensen <toke@toke.dk> wrote:
Bob McMahon <bob.mcmahon@broadcom= .com> writes:

> Does the TSQ code honor no-aggregation per voice access class or
> TCP_NODELAY where the app making the socket write calls knows that the= WiFi
> aggregation isn't likely helpful? Sorry, my Linux stack expertise = is quite
> limited.

TSQ only influences the buffering in the TCP layer. The WiFi stack will
still limit aggregation using its own logic (I think it turns it off
entirely for voice?). TCP_NODELAY is also orthogonal to TSQ; TSQ only
kicks in when there's a bunch of data buffered, in which case
TCP_NODELAY has no effect...

-Toke

This ele= ctronic communication and the information and any files transmitted with it= , or attached to it, are confidential and are intended solely for the use o= f the individual or entity to whom it is addressed and may contain informat= ion that is confidential, legally privileged, protected by privacy laws, or= otherwise restricted from disclosure to anyone else. If you are not the in= tended recipient or the person responsible for delivering the e-mail to the= intended recipient, you are hereby notified that any use, copying, distrib= uting, dissemination, forwarding, printing, or copying of this e-mail is st= rictly prohibited. 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