From nobody Sun Aug 16 01:42:50 2026 X-Original-To: dev-commits-src-main@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 4hMzHZ5jBGz6pBVp for ; Sun, 16 Aug 2026 01:42:50 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (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 (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "YR2" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 4hMzHZ4SwXz3Y75 for ; Sun, 16 Aug 2026 01:42:50 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1786844570; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Mg1F7zJpKUOKr8ZVVB2DPG+ajIubqxUGC73DSGx8TbA=; b=n/xrXDNoSS7RJIGKO4T7BWTdBO9eWB67ylJuIK+nmky9BWuVngTo02GFKn6tRdEs6IqKWL 7YoP/DsTl/NMT1l7c46odHvmJzcbnr31RVObKehikGuQnA7M32ddVp9JjgiK0t0An836qZ 4mbGpf0BaBbGJsUsy8y24t4+B/k8q9tNddT6stetrmJWGoTJqwGD92yRHk0h1snnwJu/cu 4X/6sBlgAQraPY5xHBoaEOTYUYtocUfkMCZ4P2HPUUPRYstUZi5Bnt6zWlF+tqXZu6vGiE cxE/w5VsCVRjv9p5WwvqrsZXzoJUpCtc0gbfV1W64Fe3N9rCqKvtHI7m5GSLpw== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1786844570; a=rsa-sha256; cv=none; b=u5mlZIWFAU5FcBH+bclsntCFWG7lroTOLaXooaC4GbMasNr6gfUffQh8DYq3a3yvEXtzhZ 5rgukr60cQXgKfuSED2C6PUgWP3gCzzCuLL/qUxe/7wnDjzaup1ntuNnQc/rKB+gFgjMyL 5k8VsO3K5DIuqeMDBdz6jntCGCMF5T7Klv2196fu5l8aNQfXCR421T5xLdpnrtcnApErFs LTnql9KBfdUXVvRULIkrWs7sBsGtUno/nSIUPg7fgusVVRRnJKx5Jr44CAXJfjG2LwIPAr EQgkPx0SBQr1EBhs+RGk5zG8E8aVxgNv1FDJ6yoQ1HfYaTf70EWbhqGyfHtF8g== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1786844570; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=Mg1F7zJpKUOKr8ZVVB2DPG+ajIubqxUGC73DSGx8TbA=; b=nSdRa3V+gpOyii5QIUNdq9GsxmUoptw00zOeAlGbezLPP3PUBZfOvAc0QZ4WZ2ShLkpHCx FTf4b8JBjgnuIrxvD09HIJG9i+P7GbKeI7oOouzjufvT8q+ISWc5deLkRT+6+b3CZ2pQGh lNTUdqnKipap0sQwXYwiYjxRozRYWvx5GN9lMJ4SavBwCywaMHKZEbBDZBTfbNMlojnJ3i YIQjV+yJrrZLpB49t9W12Pd9E/v3UvPMkiES3I1KrYkaOydaCgVoN0oXYY/mwa6hkURbL9 rmF+TPU4QxBi+0Jp94B99GOkTsT9ESnokgiqTY8C38q1JEEcMYwFOyHgX6lZjg== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) by mxrelay.nyi.freebsd.org (Postfix) with ESMTP id 4hMzHZ3PFpz16jZ for ; Sun, 16 Aug 2026 01:42:50 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from git (uid 1279) (envelope-from git@FreeBSD.org) id 3ebaf by gitrepo.freebsd.org (DragonFly Mail Agent v0.13+ on gitrepo.freebsd.org); Sun, 16 Aug 2026 01:42:50 +0000 To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org From: Kevin Bowling Subject: git: 1391e272de36 - main - ixv(4): Add a manual page List-Id: Commit messages for the main branch of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-main List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-main@freebsd.org Sender: owner-dev-commits-src-main@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: kbowling X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: 1391e272de36f7aae2c800d96cc06762553d5027 Auto-Submitted: auto-generated Date: Sun, 16 Aug 2026 01:42:50 +0000 Message-Id: <6a81159a.3ebaf.5035bd64@gitrepo.freebsd.org> The branch main has been updated by kbowling: URL: https://cgit.FreeBSD.org/src/commit/?id=1391e272de36f7aae2c800d96cc06762553d5027 commit 1391e272de36f7aae2c800d96cc06762553d5027 Author: Kevin Bowling AuthorDate: 2026-08-16 01:36:41 +0000 Commit: Kevin Bowling CommitDate: 2026-08-16 01:41:16 +0000 ixv(4): Add a manual page Document supported virtual-function families, driver features, queue negotiation, PF-controlled policy, and media limitations. MFC after: 2 weeks Sponsored by: BBOX.io --- share/man/man4/Makefile | 2 + share/man/man4/ixv.4 | 98 +++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 100 insertions(+) diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile index 40fde6ed7cff..c11110ac447c 100644 --- a/share/man/man4/Makefile +++ b/share/man/man4/Makefile @@ -293,6 +293,7 @@ MAN= aac.4 \ ${_iwx.4} \ ix.4 \ ixl.4 \ + ixv.4 \ jedec_dimm.4 \ jme.4 \ kbdmux.4 \ @@ -774,6 +775,7 @@ MLINKS+=ix.4 if_ix.4 MLINKS+=ix.4 if_ixgbe.4 MLINKS+=ix.4 ixgbe.4 MLINKS+=ixl.4 if_ixl.4 +MLINKS+=ixv.4 if_ixv.4 MLINKS+=iavf.4 if_iavf.4 MLINKS+=jme.4 if_jme.4 MLINKS+=kue.4 if_kue.4 diff --git a/share/man/man4/ixv.4 b/share/man/man4/ixv.4 new file mode 100644 index 000000000000..6acc41737294 --- /dev/null +++ b/share/man/man4/ixv.4 @@ -0,0 +1,98 @@ +.\"- +.\" SPDX-License-Identifier: BSD-3-Clause +.\" +.\" Copyright (c) 2026 Kevin Bowling +.\" All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice, this list of conditions and the following disclaimer. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice, this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" 3. Neither the name of the copyright holder nor the names of its +.\" contributors may be used to endorse or promote products derived from +.\" this software without specific prior written permission. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +.\" "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +.\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +.\" A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +.\" OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +.\" TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR +.\" PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF +.\" LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING +.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +.\" +.Dd August 15, 2026 +.Dt IXV 4 +.Os +.Sh NAME +.Nm ixv +.Nd Intel Ethernet virtual function driver +.Sh SYNOPSIS +To compile this driver into the kernel, +place the following lines in the kernel configuration file: +.Bd -ragged -offset indent +.Cd "device iflib" +.Cd "device ixv" +.Ed +.Pp +Alternatively, to load the driver as a module at boot time, +place the following line in +.Xr loader.conf 5 : +.Bd -literal -offset indent +if_ixv_load="YES" +.Ed +.Sh DESCRIPTION +The +.Nm +driver provides support for PCI Express virtual functions exposed by +supported Intel Ethernet controllers. +The physical function must create and configure the virtual function before +it can be attached on the host or assigned to a +.Fx +guest. +.Pp +The driver supports jumbo frames, MSI-X, receive-side scaling, +TCP segmentation offload, checksum offload, and VLAN hardware offload. +The maximum supported MTU is 9710 bytes. +.Pp +The physical-function driver controls the resources and policy presented to +the virtual function. +The number of available queue pairs is negotiated with the physical function +where the mailbox protocol supports it, and is also limited by the available +MSI-X vectors. +Requests to change the MAC address, VLAN membership, or receive mode may be +rejected by physical-function policy. +.Pp +The virtual function cannot configure the physical media. +Only automatic media selection is supported, and reported link state and +speed are supplied by the physical function or virtual-function hardware. +.Sh HARDWARE +The +.Nm +driver supports virtual functions from the following Intel controller +families: +.Pp +.Bl -bullet -compact +.It +Ethernet E610 +.It +Ethernet X550, X552, and X553 +.It +Ethernet X540 +.It +Ethernet 82599 +.El +.Sh SEE ALSO +.Xr iflib 4 , +.Xr ix 4 , +.Xr pci 4 , +.Xr iovctl.conf 5 , +.Xr loader.conf 5 , +.Xr ifconfig 8