From nobody Fri Sep 26 18:47:15 2025 X-Original-To: net@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4cYKMY5YKlz68jSf; Fri, 26 Sep 2025 18:47:37 +0000 (UTC) (envelope-from lists@jnielsen.net) Received: from webmail5.jnielsen.net (webmail5.jnielsen.net [IPv6:2607:f170:34:11::b0]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.freebsdsolutions.net", Issuer "R13" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4cYKMX5VbVz45cs; Fri, 26 Sep 2025 18:47:36 +0000 (UTC) (envelope-from lists@jnielsen.net) Authentication-Results: mx1.freebsd.org; none Received: from smtpclient.apple (161.dallas-19rh15rt.tx.dial-access.att.net [12.74.217.161]) (authenticated bits=0) by webmail5.jnielsen.net (8.18.1/8.18.1) with ESMTPSA id 58QIlKcr051144 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Fri, 26 Sep 2025 12:47:23 -0600 (MDT) (envelope-from lists@jnielsen.net) X-Authentication-Warning: webmail5.jnielsen.net: Host 161.dallas-19rh15rt.tx.dial-access.att.net [12.74.217.161] claimed to be smtpclient.apple Content-Type: multipart/alternative; boundary=Apple-Mail-4385A15C-5568-4AE1-A3D7-1290F071AE10 Content-Transfer-Encoding: 7bit From: John Nielsen List-Id: Networking and TCP/IP with FreeBSD List-Archive: https://lists.freebsd.org/archives/freebsd-net List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-net@FreeBSD.org Mime-Version: 1.0 (1.0) Subject: Re: Chelsio (cxgbe) VF on FreeBSD guest under KVM requires -rxcsum Date: Fri, 26 Sep 2025 12:47:15 -0600 Message-Id: References: <1500781860.3093.1758874136857@localhost> Cc: Michael Tuexen , np@freebsd.org, net@freebsd.org, virtualization@freebsd.org In-Reply-To: <1500781860.3093.1758874136857@localhost> To: Ronald Klop X-Mailer: iPhone Mail (22G100) X-Spamd-Bar: ---- X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:6364, ipnet:2607:f170:30::/44, country:US] X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Rspamd-Queue-Id: 4cYKMX5VbVz45cs --Apple-Mail-4385A15C-5568-4AE1-A3D7-1290F071AE10 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable > On Sep 26, 2025, at 2:09=E2=80=AFAM, Ronald Klop wr= ote: >=20 > This sounds very similar to the scenario that is fixed in 16-CURRENT and 1= 5 with delayed checksum in a virtual environment. >=20 > These are some of the commits around this, but there are more commits invo= lved. > https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a49ff52f5f4408e4dbd5= d6ef0409 > https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c1192c5707086a67d3b3= 96186abc >=20 > I also remember bug reports about this case, but don't have the link avail= abie. Thank your for the response! I plan to try updating to 15 soon but I=E2=80=99= m not sure those commits are relevant. The first is about epair which I am n= ot using and the second is for a bug with routing under KVM using virtio net= working IIRC. JN= --Apple-Mail-4385A15C-5568-4AE1-A3D7-1290F071AE10 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable

On Sep 26, 2025, at 2:09=E2=80=AFAM, Ronald Klop <= ronald-lists@klop.ws> wrote:

This sounds very similar to the scenario that is fixed in 16-CURRENT and 15 w= ith delayed checksum in a virtual environment.

These are some of the commits around this, but there are more commits involv= ed.
https://cgit.freebsd.org/src/commit/?id=3D39d4094173f9a49= ff52f5f4408e4dbd5d6ef0409
https://cgit.freebsd.org/src/commit/?id=3Dbcb298fa9e23c11= 92c5707086a67d3b396186abc

I also remember bug reports about this case, but don't have the link availab= ie.

Thank your for the response! I plan to tr= y updating to 15 soon but I=E2=80=99m not sure those commits are relevant. T= he first is about epair which I am not using and the second is for a bug wit= h routing under KVM using virtio networking IIRC.

J= N

= --Apple-Mail-4385A15C-5568-4AE1-A3D7-1290F071AE10--