1.\" Copyright (c) 2008 Pyun YongHyeon 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" 25.\" $FreeBSD: src/share/man/man4/age.4,v 1.3 2008/09/18 05:08:17 yongari Exp $ 26.\" 27.Dd November 28, 2014 28.Dt AGE 4 29.Os 30.Sh NAME 31.Nm age 32.Nd Attansic/Atheros L1 Gigabit Ethernet driver 33.Sh SYNOPSIS 34To compile this driver into the kernel, 35place the following lines in your 36kernel configuration file: 37.Bd -ragged -offset indent 38.Cd "device miibus" 39.Cd "device age" 40.Ed 41.Pp 42Alternatively, to load the driver as a 43module at boot time, place the following line in 44.Xr loader.conf 5 : 45.Bd -literal -offset indent 46if_age_load="YES" 47.Ed 48.Sh DESCRIPTION 49The 50.Nm 51device driver provides support for Attansic/Atheros L1 PCI Express 52Gigabit Ethernet controllers. 53.Pp 54All LOMs supported by the 55.Nm 56driver have TCP/UDP/IP checksum offload for both transmit and receive, 57hardware VLAN tag stripping/insertion features and 58an interrupt moderation mechanism as well as 59a 64-bit multicast hash filter. 60.Pp 61The L1 also supports Jumbo Frames (up to 10240 bytes), 62which can be configured via the interface MTU setting. 63Selecting an MTU larger than 1500 bytes with the 64.Xr ifconfig 8 65utility configures the adapter to receive and transmit Jumbo Frames. 66.Pp 67The 68.Nm 69driver supports the following media types: 70.Bl -tag -width ".Cm 10baseT/UTP" 71.It Cm autoselect 72Enable autoselection of the media type and options. 73The user can manually override 74the autoselected mode by adding media options to 75.Xr rc.conf 5 . 76.It Cm 10baseT/UTP 77Set 10Mbps operation. 78.It Cm 100baseTX 79Set 100Mbps (Fast Ethernet) operation. 80.It Cm 1000baseT 81Set 1000baseT operation over twisted pair. 82.El 83.Pp 84The 85.Nm 86driver supports the following media options: 87.Bl -tag -width ".Cm full-duplex" 88.It Cm full-duplex 89Force full duplex operation. 90.It Cm half-duplex 91Force half duplex operation. 92.El 93.Pp 94For more information on configuring this device, see 95.Xr ifconfig 8 . 96.Sh HARDWARE 97The 98.Nm 99driver provides support for LOMs based on 100Attansic/Atheros L1 Gigabit Ethernet controller chips, including: 101.Pp 102.Bl -bullet -compact 103.It 104ASUS M2N8-VMX 105.It 106ASUS M2V 107.It 108ASUS M3A 109.It 110ASUS P2-M2A590G 111.It 112ASUS P5B-E 113.It 114ASUS P5B-MX/WIFI-AP 115.It 116ASUS P5B-VMSE 117.It 118ASUS P5K 119.It 120ASUS P5KC 121.It 122ASUS P5KPL-C 123.It 124ASUS P5KPL-VM 125.It 126ASUS P5K-SE 127.It 128ASUS P5K-V 129.It 130ASUS P5L-MX 131.It 132ASUS P5DL2-VM 133.It 134ASUS P5L-VM 1394 135.It 136ASUS G2S 137.El 138.Sh SYSCTL VARIABLES 139The following variables are available as 140.Xr sysctl 8 141variables: 142.Bl -tag -width "xxxxxx" 143.It Va dev.age.%d.int_mod 144Maximum amount of time to delay interrupt processing in units of 2us. 145The accepted range is 0 to 65000, the default is 50 (100us). 146Value 0 completely disables the interrupt moderation. 147.It Va dev.age.%d.stats 148Display lots of useful MAC counters maintained in the driver. 149.El 150.Sh SEE ALSO 151.Xr altq 4 , 152.Xr arp 4 , 153.Xr ifmedia 4 , 154.Xr miibus 4 , 155.Xr netintro 4 , 156.Xr ng_ether 4 , 157.Xr vlan 4 , 158.Xr ifconfig 8 159.Sh HISTORY 160The 161.Nm 162driver was written by 163.An Pyun YongHyeon Aq Mt yongari@FreeBSD.org . 164It first appeared in 165.Fx 7.1 . 166