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Mon, 10 Nov 2025 15:41:25 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from bugzilla@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 5AAFfPqv054646 for net@FreeBSD.org; Mon, 10 Nov 2025 15:41:25 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: bugzilla set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: net@FreeBSD.org Subject: [Bug 290773] vtnet: Severe performance regression since D51686 Date: Mon, 10 Nov 2025 15:41:25 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.3-STABLE X-Bugzilla-Keywords: regression X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: commit-hook@FreeBSD.org X-Bugzilla-Status: In Progress X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: tuexen@freebsd.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated 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 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D290773 --- Comment #18 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=3D4c50ac68166caf7e08c5a9984d63fa914= 90fa50d commit 4c50ac68166caf7e08c5a9984d63fa91490fa50d Author: Michael Tuexen AuthorDate: 2025-11-10 15:34:53 +0000 Commit: Michael Tuexen CommitDate: 2025-11-10 15:34:53 +0000 vtnet: fix enabling/disabling tso Transmit segment offloading depends on transmit checksum offloading. Enforce that constraint. This also fixes a bug, since if_hwassist bits are from the CSUM_ space, not from the IFCAP_ space. PR: 290773 Reviewed by: Timo V=C3=B6lker Tested by: lg@efficientip.com MFC after: 3 days Differential Revision: https://reviews.freebsd.org/D53629 sys/dev/virtio/network/if_vtnet.c | 28 ++++++++++++++++++++++++---- 1 file changed, 24 insertions(+), 4 deletions(-) --=20 You are receiving this mail because: You are on the CC list for the bug.=