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 541B7426AE for ; Tue, 3 Oct 2023 18:01:18 +0200 (CEST) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id CA4E5402A2; Tue, 3 Oct 2023 18:01:17 +0200 (CEST) Received: from mail-pj1-f43.google.com (mail-pj1-f43.google.com [209.85.216.43]) by mails.dpdk.org (Postfix) with ESMTP id F233340262 for ; Tue, 3 Oct 2023 18:01:15 +0200 (CEST) Received: by mail-pj1-f43.google.com with SMTP id 98e67ed59e1d1-2773f776f49so817073a91.1 for ; Tue, 03 Oct 2023 09:01:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=networkplumber-org.20230601.gappssmtp.com; s=20230601; t=1696348875; x=1696953675; 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=ONa1/qYnwzMh03emFCU2Ri2eK48OZXMsbd47RUfnx/Q=; b=uoV4eGhIOO0andH1CfqsZae9N8ptWbXSnN06x3i5YzoccOzihqrf1lAAqOqOp7sADt MvSevhBESbVWifuSs70a87oM1WdmDnYMg4zpnu6WskHzMDd53/L3aDRcSRgNjus4cE+j /NQN2/ik41WW0yvrFWnUqSuhe61d4AJ+xWYkcZ2wqWcLDAuTcOu5sZ6vg78B2/vrAbfg hbofwe2iwYGC23DQdE2qLDxjI4n6jOmIRbbM/5Z2H0OpwHE0MdTI+v3pia7a36HeguKV Tyx5dQ5yOeuGxl8fGgAsZHMGN/HmFj1mCmSQall/qvsqI2Av3jXL8XcKGd4fO4mskj72 N/iQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696348875; x=1696953675; 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=ONa1/qYnwzMh03emFCU2Ri2eK48OZXMsbd47RUfnx/Q=; b=lUhtkgg7bP/YcN8vHutVuzfYSTVJMULJx01neZLvqkSJ35tJtPX9uSdx24figOHnpP D1nld5h4QHe7apNkFnlFuEoa+nGwKq8x8QeYWEqdAx8y3o5H12PRcW2fES+OvHTjrvux bIVxW0hhA9F8v0cgW0+6Zjn6rh6nFI89AUSc5dzkmg4q34LZUrXv/n0TiUGUzS91CrCX 8m0XLty6zwq2nqv4oNScwTljnlKlSDlL2styim45B2xG9yRLtgothYDPrNzX3HKWNP84 0JwjbXXMo+ZWJJZsokswYNTYvcsbwQXE4l0I3jzfftB/klhcmcg8QJ9hXw41ByZYTMrQ NQIQ== X-Gm-Message-State: AOJu0Yzjl9LIDOlyKNSIS8maGBUJIJZnYyab+a+irJUaKG2n+aTc+sKF wnOdjlkkzcPLpGUxfOO7MZQ6JA== X-Google-Smtp-Source: AGHT+IFtLGeeaz50CN4gKcAHy31oOS+h3d86Jq+IUYtt2TRsdNHQ7+Et4+oyQTb4CZ22Ou8imyCR1A== X-Received: by 2002:a17:90a:a011:b0:268:2af6:e48c with SMTP id q17-20020a17090aa01100b002682af6e48cmr4801401pjp.4.1696348874979; Tue, 03 Oct 2023 09:01:14 -0700 (PDT) Received: from hermes.local (204-195-126-68.wavecable.com. [204.195.126.68]) by smtp.gmail.com with ESMTPSA id ch23-20020a17090af41700b002790423f66fsm8395147pjb.26.2023.10.03.09.01.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 03 Oct 2023 09:01:14 -0700 (PDT) Date: Tue, 3 Oct 2023 09:01:12 -0700 From: Stephen Hemminger To: Antonio Di Bacco Cc: users@dpdk.org Subject: Re: tap device speed Message-ID: <20231003090112.77cd1d2c@hermes.local> In-Reply-To: References: <20231002142133.27590624@hermes.local> 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 Tue, 3 Oct 2023 10:49:16 +0200 Antonio Di Bacco wrote: > I understand, could we use another solution ? Like a memif interface > in DPDK and libmemif in Linux? The issue is accessing kernel networking devices. Both virtio user and XDP are faster for that. Memif is for doing process to process networking.