From owner-freebsd-net@freebsd.org Thu May 28 14:05:59 2020 Return-Path: Delivered-To: freebsd-net@mailman.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.nyi.freebsd.org (Postfix) with ESMTP id E03CD2F3690 for ; Thu, 28 May 2020 14:05:59 +0000 (UTC) (envelope-from rizzo.unipi@gmail.com) Received: from mail-ua1-x92e.google.com (mail-ua1-x92e.google.com [IPv6:2607:f8b0:4864:20::92e]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smtp.gmail.com", Issuer "GTS CA 1O1" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 49XqHB5TF1z4gfm for ; Thu, 28 May 2020 14:05:58 +0000 (UTC) (envelope-from rizzo.unipi@gmail.com) Received: by mail-ua1-x92e.google.com with SMTP id 14so9668805uaq.11 for ; Thu, 28 May 2020 07:05:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=I/+CKurlmz5Tt9nrervlHhYZMmJ/GqrY4Og/cBdBFAY=; b=lY7xD0F88AxRmlrITMmfvnPn7ZLWY5kGhDUlJd/PRF+65LSBqfVhEz0MVpGQsoJ8VD EdCi9V7CSp/tjK9viq6nlX87DN2UoeHV8QnV9gDlvoNPsjrSaB8uzDkz4nHXNfP23rmI aM29Libk/fXyIqhEsHeQ9dWEyerW9dbMHvZ78hJisp2uLkqDAAXkGMgFClQ86R77tczI n6AAKnR1B+6UIPULCTUOK+HygwdrXhJ58zAxa2gx1Xs6rhos7tO0X2hi/0UOp/6a6I1s il/ZGU2EaWB7v9DJupvUn+Uxvw3xWhPP3883pz+o8mLuO6iLiZW9isdCvGfAESBb+OLA 3DlA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=I/+CKurlmz5Tt9nrervlHhYZMmJ/GqrY4Og/cBdBFAY=; b=O9NrjIk0Rr4Xx0K+ZiTybS86bJ9SnmamY5J9Idx9VhXBbezbMoyuzgnpotra0LgW7q jqnmE3VB3xQcFPz6Rcwxwyzc8xGKnyCgcuP1/hpdnYK9kKdaQIQrxDQO5EVnphBhKXDh xFjuC5PCh/uoW3ZrK4SNveG5h0aCjHiZ25E6UOvkea0bJtYEWwThjxvVeePB7Qdsaix/ lhJ9m9AST7+bZDNjTIPzWbs6YNoo8NVqjOEOIIwa05kCN81czvBgBXS5WSw2mc1E7K92 e1WVjutvdYnmyvfO1W0O4oXbA1nSndK4Dk4aT/dq9urIJAj4UKRk1yhO6xW7EeLB6MII G40w== X-Gm-Message-State: AOAM533/Kzx87IJOVtV2yPk0uqG2udWcRfEoDDatDPexrF4/FGGpnJVs IuT72qi/+kw6LPLCUwpCkG0l/PuZcvUGJuQaFoSshFXb X-Google-Smtp-Source: ABdhPJxlpKpdB+iu/8x6Z2QY90KSgiPhOzpa/V+XxKdjTzEcMGI7bBfUo70cAN8MhurOIu4KDO/hrSklchQS0NLiETU= X-Received: by 2002:a9f:3753:: with SMTP id a19mr2005855uae.96.1590674757030; Thu, 28 May 2020 07:05:57 -0700 (PDT) MIME-Version: 1.0 Sender: rizzo.unipi@gmail.com Received: by 2002:a67:f9ce:0:0:0:0:0 with HTTP; Thu, 28 May 2020 07:05:56 -0700 (PDT) In-Reply-To: References: From: Luigi Rizzo Date: Thu, 28 May 2020 07:05:56 -0700 X-Google-Sender-Auth: ZrRB7eNlgjufxi5y-fdZNJjXXDw Message-ID: Subject: Re: Netmap - Vale switch - tcp problem To: Anthony Arnaud Cc: "freebsd-net@freebsd.org" X-Rspamd-Queue-Id: 49XqHB5TF1z4gfm X-Spamd-Bar: -- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=gmail.com header.s=20161025 header.b=lY7xD0F8; dmarc=none; spf=pass (mx1.freebsd.org: domain of rizzounipi@gmail.com designates 2607:f8b0:4864:20::92e as permitted sender) smtp.mailfrom=rizzounipi@gmail.com X-Spamd-Result: default: False [-2.47 / 15.00]; TO_DN_EQ_ADDR_SOME(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+ip6:2607:f8b0:4000::/36]; DKIM_TRACE(0.00)[gmail.com:+]; RCPT_COUNT_TWO(0.00)[2]; NEURAL_HAM_SHORT(-0.24)[-0.237]; FREEMAIL_TO(0.00)[gmail.com]; FORGED_SENDER(0.30)[rizzo@iet.unipi.it,rizzounipi@gmail.com]; MIME_TRACE(0.00)[0:+,1:+,2:~]; FREEMAIL_ENVFROM(0.00)[gmail.com]; ASN(0.00)[asn:15169, ipnet:2607:f8b0::/32, country:US]; TAGGED_FROM(0.00)[]; FROM_NEQ_ENVFROM(0.00)[rizzo@iet.unipi.it,rizzounipi@gmail.com]; ARC_NA(0.00)[]; NEURAL_HAM_MEDIUM(-1.02)[-1.022]; R_DKIM_ALLOW(-0.20)[gmail.com:s=20161025]; FROM_HAS_DN(0.00)[]; NEURAL_HAM_LONG(-1.01)[-1.009]; TAGGED_RCPT(0.00)[]; MIME_GOOD(-0.10)[multipart/alternative,text/plain]; PREVIOUSLY_DELIVERED(0.00)[freebsd-net@freebsd.org]; DMARC_NA(0.00)[unipi.it]; TO_MATCH_ENVRCPT_SOME(0.00)[]; RCVD_IN_DNSWL_NONE(0.00)[2607:f8b0:4864:20::92e:from]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] Content-Type: text/plain; charset="UTF-8" X-Content-Filtered-By: Mailman/MimeDel 2.1.33 X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.33 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 28 May 2020 14:05:59 -0000 On Thursday, May 28, 2020, Anthony Arnaud wrote: > Hi everyone! > I would like to create a vale switch with an interface attached with the > host stack and some virtual. > My env is a VM with FBSD-12.1 12.1-RELEASE FreeBSD 12.1-RELEASE r354233 > GENERIC amd64 > and VirtIO support. > > I performed: > > vale-ctl -h vale0:vtnet1 > vale-ctl -n vi0 > vale-ctl -a vale0:vi0 > > 615.925514 bdg_ctl [149] bridge:0 port:0 vale0:vtnet1 > 615.925559 bdg_ctl [149] bridge:0 port:1 vale0:vtnet1^ > 615.925572 bdg_ctl [149] bridge:0 port:2 vale0:vi0 > > vtnet1 is configured as mirror port. > But if: > > tcpdump -i vtnet1 > or > tcpdump -i vale0:vi0 > > why can't I see any TCP packets? > UDP and ICMP packet are ok. > > Without vale switch tcpdump show all TCP packets correctly. You have to disable checksum offloading on vtnet1. Cheers Luigi It is a bug? > Thanks to all! > > _______________________________________________ > freebsd-net@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > -- -----------------------------------------+------------------------------- Prof. Luigi RIZZO, rizzo@iet.unipi.it . Dip. di Ing. dell'Informazione http://www.iet.unipi.it/~luigi/ . Universita` di Pisa TEL +39-050-2217533 . via Diotisalvi 2 Mobile +39-338-6809875 . 56122 PISA (Italy) -----------------------------------------+-------------------------------