From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 8003A45970 for ; Thu, 12 Sep 2024 18:56:20 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id EBF274029B; Thu, 12 Sep 2024 18:56:19 +0200 (CEST) Received: from mail-pj1-f45.google.com (mail-pj1-f45.google.com [209.85.216.45]) by mails.dpdk.org (Postfix) with ESMTP id 3417F4028F for ; Thu, 12 Sep 2024 18:56:18 +0200 (CEST) Received: by mail-pj1-f45.google.com with SMTP id 98e67ed59e1d1-2d87a0bfaa7so56437a91.2 for ; Thu, 12 Sep 2024 09:56:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1726160177; x=1726764977; 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=kgEekSj+P+R5hzzTgxX0uMZWZWoNvkZCd5p+20GgWoo=; b=vgOGUh0wri60sMZ+MG8fb4RsZdNFsu+NHSBwf/oMs0wL/TocsYPBK4Z5+C1WlMpHH0 BMJ2t3fAZ53duS478nAR/V+RvMl2F6dIG61AxzNYom4l40SPP2piCrQx1W2Oc2nM4ELy kVoRmZbjNhA3rLLu0bnoU2GGIm0gk8K8zAzCRoHjj5D3v1OCGEaEAxRP8OnQBD6RJTIn yH4CUNc+uEdn4VkLwu1516xUa4eIPicgoz+HhoZ95khoHwYrSAQWcc+ShTkI0Ev57Mgv ai0EunCLoV2i/o1lCMGLmHjP7HoQx5wn20m14P6X3oiS4B1+gwWU+uCnv7/0vvF3jpop Fa8Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1726160177; x=1726764977; 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=kgEekSj+P+R5hzzTgxX0uMZWZWoNvkZCd5p+20GgWoo=; b=opbrr/4SmhEGLe6khXhVKAycDJPvGRBvD5OJVNk06dNps/sW4DZobQh8o1cMvAoSG1 v6kz60DCQBz5OsNZlFE/Ckm/s1b64k0KwWfyWXIBoYMbXJs6PvEPmrxk2lZP9IzD0Mcq oKvk5k1HX2BRgjpyOX0WK7+I71W5tHOy7rxH2YDZla1YOBVg/WDA9f+3BAS32e282OLt i8vsEf99EzSD33/F9kP9aeuhlE4GwnI8QabIseJuuqDfozeRYGpkVe76R+N8bkAbI+QP eyR+GAbyE+g6dhL3+zTKtYfhTNuNsYjOV0bpoLuvUw+FO8pf6e+vUFHVsO8Al7QKd4ZY XiEQ== X-Gm-Message-State: AOJu0YxUQlSNreLOD3QUswQXPqSTzeZ/nFP8QhWi1iVsUmDLDE2zTyh2 rnRIGiyqblFLd9PN358em2sFS7JhUhAUwmczuiF3V+3Ae8jBHkYps4sLDOeYJSI= X-Google-Smtp-Source: AGHT+IHVUd6Ny5s2GRJmRhHeUZogEViQRZR0hGyJ5QoQQFSclkpZ9Am/NxAlkDyuuIm+qQ0jgF5jyw== X-Received: by 2002:a17:90b:1055:b0:2da:905a:d88a with SMTP id 98e67ed59e1d1-2db9ffb4a08mr3685232a91.21.1726160177060; Thu, 12 Sep 2024 09:56:17 -0700 (PDT) Received: from hermes.local (204-195-96-226.wavecable.com. [204.195.96.226]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2dadbfe471asm13000154a91.9.2024.09.12.09.56.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 12 Sep 2024 09:56:16 -0700 (PDT) Date: Thu, 12 Sep 2024 09:56:15 -0700 From: Stephen Hemminger To: "Lombardo, Ed" Cc: "users@dpdk.org" Subject: Re: DPDK and E810 NIC Message-ID: <20240912095615.12bf9719@hermes.local> In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: users@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK usage discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: users-bounces@dpdk.org On Thu, 12 Sep 2024 16:35:18 +0000 "Lombardo, Ed" wrote: > Hi, > Does DPDK 22.11 with Intel E810 NIC guarantee the mbufs are 4 KB aligned? > > Thanks, > Ed Probably not. The mbuf pool is created by the application. Alignment depends on the size and options passed to rte_pktmbuf_pool_create.