From owner-freebsd-net@freebsd.org Tue Sep 26 05:10:03 2017 Return-Path: Delivered-To: freebsd-net@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A8AA9E2F370 for ; Tue, 26 Sep 2017 05:10:03 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: from mail-qk0-x234.google.com (mail-qk0-x234.google.com [IPv6:2607:f8b0:400d:c09::234]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 5E21D76978 for ; Tue, 26 Sep 2017 05:10:03 +0000 (UTC) (envelope-from sepherosa@gmail.com) Received: by mail-qk0-x234.google.com with SMTP id d70so8940403qkc.11 for ; Mon, 25 Sep 2017 22:10:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=mJzmqtMz8C+JiCizuJvmEUW4Xylv4q4CO0J6TqwwXow=; b=tplBUn2AN/T4kUhGdo3OXn9A+8sNQaFd0+NF3x0MN7CvLzhD+6aCE+KD2wrch63cHj G9syoEXpAVgOhYfTFe7eDphr8A4/xbXAMN4B2nIte06ld+YOgK9tbVlEx3eKtJOAs3ia +Ode845nE9QQ9gXIhkT6EKOlh9f6i9nC4rz9A7KNdGZ1T3eR5nJdrqRVMte86zRfOalx zBOeUCwDPATnKgSLmnhFuDr2lBzl6+r5HBD2TFX0rYzhd+4TtXMf0/QCbcTiay18RM7z 8zm8hG4syW8nk+YRsuimUWns3g40Vikk+Ilrts1qvOqNYb5euQ4vV514cjBDh4i46DvN MTaA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=mJzmqtMz8C+JiCizuJvmEUW4Xylv4q4CO0J6TqwwXow=; b=bzbpsdueiSy4AM/1QJ1YJZntmcWJZjOVaca2Auk7BnwEk8adGis0s2YoRq4mAg21aH XBnUlWkQVua7FVOkwjDf8pNMlS4YDQLfU43JmKc2hi/UYzRSN/QPfWz6/2l2iwMVCwOw hzH8EqG/C1+WTBcXsMibSWl/so9GxvYptExhB7D9nBV0MIDoB9j0TlU7e6PRu666J3l1 cbbjXSDz2EkG5fkF5/pCdC7XGreqZKjm6lbwEhiAEFCYyfkDZ1ehExBGdZ+KVKDA+ONA NbJN6FzzngegIoV7O/UocSnA+pjvsIKKVd9RMJDsohCQKMEgH81CnAdlpj7jIRALsU7l ZPaw== X-Gm-Message-State: AHPjjUiBPCPBI2mVWAr9/9za4dCf+vE/UuU3GfNVIry7h+6p544HmvTR rj97UCInJDG7FrCMn6l9RKQuD05ll69VW2Wgtw== X-Google-Smtp-Source: AOwi7QAVwlGlmMC2fdvZZhsW8e6W966bn5kWmw2VMsho0tO2iExfuus1dYRFpN5Kab9TflARx0S4sSXGaVQfDE71shc= X-Received: by 10.55.71.6 with SMTP id u6mr12597869qka.166.1506402602528; Mon, 25 Sep 2017 22:10:02 -0700 (PDT) MIME-Version: 1.0 Received: by 10.140.21.20 with HTTP; Mon, 25 Sep 2017 22:10:01 -0700 (PDT) In-Reply-To: <4cdc0f02-0ec4-4f1a-f14a-d4eeef78cbe0@kornberger.name> References: <4cdc0f02-0ec4-4f1a-f14a-d4eeef78cbe0@kornberger.name> From: Sepherosa Ziehau Date: Tue, 26 Sep 2017 13:10:01 +0800 Message-ID: Subject: Re: igb(4) txcsum6 broken in few cases To: "Julian K." Cc: "freebsd-net@freebsd.org" Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 26 Sep 2017 05:10:03 -0000 It will be more than helpful, if you can provides tcpdumps. On Tue, Sep 26, 2017 at 8:51 AM, Julian K. wrote: > Hi, > > I was debugging a lot to figure out that checksum offloading for outgoing > IPv6 packets may lead to invalid checksums. It is reproducible with certain > payloads and many of my servers. Does anyone have the same issue or is > interested in the payload? > > I am running FreeBSD 11.1. > > Regards, > Julian Kornberger > > _______________________________________________ > 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" -- Tomorrow Will Never Die