From owner-svn-src-all@FreeBSD.ORG Sat Jan 9 00:39:33 2010 Return-Path: Delivered-To: svn-src-all@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 31513106568F; Sat, 9 Jan 2010 00:39:33 +0000 (UTC) (envelope-from yongari@FreeBSD.org) Received: from svn.freebsd.org (svn.freebsd.org [IPv6:2001:4f8:fff6::2c]) by mx1.freebsd.org (Postfix) with ESMTP id 1F0CF8FC1B; Sat, 9 Jan 2010 00:39:33 +0000 (UTC) Received: from svn.freebsd.org (localhost [127.0.0.1]) by svn.freebsd.org (8.14.3/8.14.3) with ESMTP id o090dXb6041513; Sat, 9 Jan 2010 00:39:33 GMT (envelope-from yongari@svn.freebsd.org) Received: (from yongari@localhost) by svn.freebsd.org (8.14.3/8.14.3/Submit) id o090dXjl041511; Sat, 9 Jan 2010 00:39:33 GMT (envelope-from yongari@svn.freebsd.org) Message-Id: <201001090039.o090dXjl041511@svn.freebsd.org> From: Pyun YongHyeon Date: Sat, 9 Jan 2010 00:39:32 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-7@freebsd.org X-SVN-Group: stable-7 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Cc: Subject: svn commit: r201876 - stable/7/share/man/man4 X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 09 Jan 2010 00:39:33 -0000 Author: yongari Date: Sat Jan 9 00:39:32 2010 New Revision: 201876 URL: http://svn.freebsd.org/changeset/base/201876 Log: MFC r200641,200676 r200641: Document newly added loader tunable and sysctl variables. o hw.vge.msi_disable o dev.vge.%d.int_holdoff o dev.vge.%d.rx_coal_pkt o dev.vge.%d.tx_coal_pkt r200676: Document more VIA Velocity family controllers to vge(4). Previously it mentioned only VT6122. While I'm here remove the mention of VT3119 which seems to be VIA's internal model name and VT3119 wouldn't be available to end users. Reviewed by: brueffer Modified: stable/7/share/man/man4/vge.4 Directory Properties: stable/7/share/man/man4/ (props changed) Modified: stable/7/share/man/man4/vge.4 ============================================================================== --- stable/7/share/man/man4/vge.4 Sat Jan 9 00:36:28 2010 (r201875) +++ stable/7/share/man/man4/vge.4 Sat Jan 9 00:39:32 2010 (r201876) @@ -30,12 +30,12 @@ .\" .\" $FreeBSD$ .\" -.Dd February 21, 2007 +.Dd December 18, 2009 .Dt VGE 4 .Os .Sh NAME .Nm vge -.Nd "VIA Networking Technologies VT6122 PCI Gigabit Ethernet adapter driver" +.Nd "VIA Networking Technologies Velocity Gigabit Ethernet adapter driver" .Sh SYNOPSIS To compile this driver into the kernel, place the following lines in your @@ -55,22 +55,23 @@ if_vge_load="YES" The .Nm driver provides support for various NICs and embedded Ethernet interfaces -based on the VIA Networking Technologies VT6122 Gigabit Ethernet -controller chips. +based on the VIA Technologies VT6120, VT6122, VT6130 and VT6132 Velocity +Family Gigabit Ethernet controller chips. .Pp -The VT6122 is a 33/66Mhz 64-bit PCI device which combines a tri-speed MAC with -an integrated 10/100/1000 copper PHY. +The VT6120/VT6122 is a 33/66Mhz 64-bit PCI device which combines a tri-speed +MAC with an integrated 10/100/1000 copper PHY. (Some older cards use an external PHY.) +The VT6130/VT6132 is the PCI express version of Velocity family. The MAC supports TCP/IP hardware checksums (IPv4 only), TCP large send, VLAN tag insertion and stripping, as well as VLAN filtering, a 64-entry CAM filter and a 64-entry VLAN filter, 64-bit multicast hash filter, 4 separate transmit DMA queues, flow control and jumbo frames up to 16K in size. -The VT6122 has a 16K receive FIFO and 48K transmit FIFO. +The Velocity family controllers have a 16K receive FIFO and 48K transmit FIFO. .Pp The .Nm -driver takes advantage of the VT6122's checksum offload and VLAN +driver takes advantage of the controller's checksum offload and VLAN tagging features, as well as the jumbo frame and CAM filter support. The CAM filter is used for multicast address filtering to provide 64 perfect multicast address filter support. @@ -162,7 +163,7 @@ For more information on configuring this .Sh HARDWARE The .Nm -driver supports VIA Networking VT3119 and VT6122 based +driver supports VIA Networking VT6120, VT6122, VT6130 and VT6132 based Gigabit Ethernet adapters including: .Pp .Bl -bullet -compact @@ -173,6 +174,38 @@ ZyXEL GN650-T 64-bit PCI Gigabit Etherne .It ZyXEL GN670-T 32-bit PCI Gigabit Ethernet NIC (ZX1702) .El +.Sh LOADER TUNABLES +Tunables can be set at the +.Xr loader 8 +prompt before booting the kernel or stored in +.Xr loader.conf 5 . +.Bl -tag -width "xxxxxx" +.It Va hw.vge.msi_disable +This tunable disables MSI support on the Ethernet hardware. +The default value is 0. +.El +.Sh SYSCTL VARIABLES +The following variables are available as both +.Xr sysctl 8 +variables and +.Xr loader 8 +tunables: +.Bl -tag -width "xxxxxx" +.It Va dev.vge.%d.int_holdoff +Maximum number of time to delay interrupts. +The valid range is 0 to 5100 in units of 1us, the default is +150 (150us). +The resolution of of timer is about 20us so finer tuning than +20us wouldn't be available. +The interface should be brought down and up again before a change +takes effect. +.It Va dev.vge.%d.rx_coal_pkt +Maximum number of packets to fire Rx completion interrupt. +The valid range is 1 to 255, the default is 64. +.It Va dev.vge.%d.tx_coal_pkt +Maximum number of packets to fire Tx completion interrupt. +The valid range is 1 to 255, the default is 128. +.El .Sh DIAGNOSTICS .Bl -diag .It "vge%d: couldn't map memory"