From owner-freebsd-bugs@freebsd.org Tue Apr 9 17:18:44 2019 Return-Path: Delivered-To: freebsd-bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CF74215663F5 for ; Tue, 9 Apr 2019 17:18:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 4F4766F0A7 for ; Tue, 9 Apr 2019 17:18:43 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: by mailman.ysv.freebsd.org (Postfix) id 1340215663F4; Tue, 9 Apr 2019 17:18:43 +0000 (UTC) Delivered-To: bugs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id CCA2E15663F3 for ; Tue, 9 Apr 2019 17:18:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.ysv.freebsd.org (mxrelay.ysv.freebsd.org [IPv6:2001:1900:2254:206a::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) server-signature RSA-PSS (4096 bits) client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.ysv.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 6B7D76F0A5 for ; Tue, 9 Apr 2019 17:18:42 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mxrelay.ysv.freebsd.org (Postfix) with ESMTPS id A20B820B45 for ; Tue, 9 Apr 2019 17:18:41 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id x39HIfuI024227 for ; Tue, 9 Apr 2019 17:18:41 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id x39HIf0J024226 for bugs@FreeBSD.org; Tue, 9 Apr 2019 17:18:41 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 237166] vmx(4) override_ntxds/nrxds tunable has no effect Date: Tue, 09 Apr 2019 17:18:41 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 12.0-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: ncrogers@gmail.com X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Apr 2019 17:18:44 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D237166 Bug ID: 237166 Summary: vmx(4) override_ntxds/nrxds tunable has no effect Product: Base System Version: 12.0-STABLE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: ncrogers@gmail.com Since the MFC of r343291 to 12-STABLE in r344027 (Convert vmx(4) to being an iflib driver.), I am no longer able to increase the number of tx/rx descrip= tors via the usual iflib sysctls. For example the following loader.conf: dev.vmx.0.iflib.override_ntxqs=3D2 dev.vmx.0.iflib.override_nrxqs=3D2 dev.vmx.0.iflib.override_ntxds=3D4096 dev.vmx.0.iflib.override_nrxds=3D2048 Yields bootup messages: Apr 9 10:03:22 rxg kernel: vmx0: port 0x4000-0x400f mem 0xfea03000-0xfea03fff,0xfea02000-0xfea02fff,0xfea00000-0xfea01fff at device= 0.0 on pci3 Apr 9 10:03:22 rxg kernel: vmx0: Using 512 tx descriptors and 256 rx descriptors Apr 9 10:03:22 rxg kernel: vmx0: Using 2 rx queues 2 tx queues Apr 9 10:03:22 rxg kernel: vmx0: Using MSI-X interrupts with 3 vectors Apr 9 10:03:22 rxg kernel: vmx0: Ethernet address: 00:0c:29:2b:73:76 Apr 9 10:03:22 rxg kernel: vmx0: netmap queues/slots: TX 2/512, RX 2/512 Apr 9 10:03:22 rxg kernel: vmx0: link state changed to UP Notice that ntxqs/nrxqs is decreased from the default of 8 (or lower of num= ber of CPU cores), however ntxd/nrxd remains the default. --=20 You are receiving this mail because: You are the assignee for the bug.=