From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: <dev-bounces@dpdk.org> Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 9BB6045BC3; Thu, 24 Oct 2024 21:06:37 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 722C6434E6; Thu, 24 Oct 2024 21:06:37 +0200 (CEST) Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) by mails.dpdk.org (Postfix) with ESMTP id D1AA040156 for <dev@dpdk.org>; Thu, 24 Oct 2024 21:06:35 +0200 (CEST) Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-20c693b68f5so12828615ad.1 for <dev@dpdk.org>; Thu, 24 Oct 2024 12:06:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1729796795; x=1730401595; darn=dpdk.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:from:to:cc:subject:date :message-id:reply-to; bh=6gg/SBBiPhy+8Ebdf/+7m2Q3WZyvueLNgfecfVZ0eFQ=; b=geF6BRLEWyI90OaZrt/e/Osdhn3SHWBv13NTbNuHyEzCAq6a9Qhaoj42fF1p6h/ELF cBgo9jlbrulFhahJLFxH65qyqOtbgX0oITGJh5mqwmFvwwSW4iUtWr5AovDw3yuthLgl MoeHGrAzZF1XJRKyRiDPypIkyY4pjcbuJLfN1cT+Gvsn6i/vlNfRITZMQwBu43dJkS7v fm8sJlA1rCBq36HtfxB5mOaubIRwuULHUWN354Bx7m9tcitVL0k1UudGlgBeW+0NPbYF iv/aAmAh4FEh5/qTP5gHOlXMki93AIhbHP29750N+9TsVbEvfOnwCrCdH/02Ymkmxl5y Ftqw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729796795; x=1730401595; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:subject:cc:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6gg/SBBiPhy+8Ebdf/+7m2Q3WZyvueLNgfecfVZ0eFQ=; b=YDM/nNuMrrJCRIcDI6aR/P+kjDN5l2ftZ2EhZnA0aNG0X3Ebc4p2BgKsR9YkqTZ3+1 Os4I2L7YLRksFyPFA7nmsxHRZm/IzKLjDNiDuh/lgk9bQGQEC0Uq3JPDvJ42iPat+Ibj 3/VoHoell2f5V5ZMtvGVGAgX7WUnr8R4hfC5n+Pl97dDtmDIksLmyMnny6FGLi8JzG9l VyCl636ZqM3WZVFricLWgtoF40QchQ/f6Kbr6VIrmxtmSvtS52mhXp9hD7cAKfeQ/guC k/4uKL5E59giQEwnD7x6ijC4UtA/bu2ELk1wJxltwaVEG3YecmfZUQ23WbKKypd1WXbZ QqnQ== X-Gm-Message-State: AOJu0YwqKzr03waUORyBDDNFbcwRvLHt/WBQsbGIx348cvrIxPmHuI+X C90u0bAcoF21CQNPa7P1GIeCrRr5b7SK+JT7BoPmPeJ7jBvVDBKi2lwSm+FVmFA= X-Google-Smtp-Source: AGHT+IGEboScQu3B/HMZ9X4/w2W03fQz+0VPYjvqj5aspQGh8WFWqob+kyHHpmfG/ZobdAaWlegs2A== X-Received: by 2002:a17:902:d4c6:b0:20b:b079:5b7a with SMTP id d9443c01a7336-20fab2dbb0amr76898835ad.50.1729796794854; Thu, 24 Oct 2024 12:06:34 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-20e7f0de428sm75795105ad.230.2024.10.24.12.06.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 24 Oct 2024 12:06:34 -0700 (PDT) Date: Thu, 24 Oct 2024 12:05:55 -0700 From: Stephen Hemminger <stephen@networkplumber.org> To: Vladimir Medvedkin <vladimir.medvedkin@intel.com> Cc: dev@dpdk.org, Yipeng Wang <yipeng1.wang@intel.com>, Sameh Gobriel <sameh.gobriel@intel.com>, Bruce Richardson <bruce.richardson@intel.com> Subject: Re: [PATCH v4 1/4] thash: add RSS hash key generation API Message-ID: <20241024120555.57e3e455@hermes.local> In-Reply-To: <20241024184657.901099-2-vladimir.medvedkin@intel.com> References: <20241011181703.236985-1-vladimir.medvedkin@intel.com> <20241024184657.901099-1-vladimir.medvedkin@intel.com> <20241024184657.901099-2-vladimir.medvedkin@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org On Thu, 24 Oct 2024 18:46:53 +0000 Vladimir Medvedkin <vladimir.medvedkin@intel.com> wrote: > Currently the only way to have non static Toeplitz hash key is to > generate it randomly. Such a key may not guarantee good packets > distribution, especially if there are small number of flows. > > This patch adds stub implementation of the Toeplitz hash key generation > function, which may improve Toeplitz hash key with respect to hash values > distribution. > > Signed-off-by: Vladimir Medvedkin <vladimir.medvedkin@intel.com> Acked-by: Stephen Hemminger <stephen@networkplumber.org>