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lii(4) [netbsd man page]

LII(4)							   BSD Kernel Interfaces Manual 						    LII(4)

lii -- Attansic/Atheros L2 Fast-Ethernet device driver SYNOPSIS
lii* at pci? dev ? function ? DESCRIPTION
The lii provides support for the Attansic/Atheros Fast-Ethernet card. This card is found in a variety of low-end Asus hardware, notably the Asus EeePC. SEE ALSO
mii(4), ukphy(4) HISTORY
The lii driver appeared in NetBSD 5.0. AUTHORS
Quentin Garnier <> BSD
March 29, 2008 BSD

Check Out this Related Man Page

AE(4)							   BSD Kernel Interfaces Manual 						     AE(4)

ae -- Attansic/Atheros L2 FastEthernet controller driver SYNOPSIS
To compile this driver into the kernel, place the following lines in your kernel configuration file: device miibus device ae Alternatively, to load the driver as a module at boot time, place the following line in loader.conf(5): if_ae_load="YES" DESCRIPTION
The ae device driver provides support for Attansic/Atheros L2 PCIe FastEthernet controllers. The controller supports hardware Ethernet checksum processing, hardware VLAN tag stripping/insertion and an interrupt moderation mechanism. Attansic L2 also features a 64-bit multicast hash filter. The ae driver supports the following media types: autoselect Enable autoselection of the media type and options. The user can manually override the autoselected mode by adding media options to rc.conf(5). 10baseT/UTP Select 10Mbps operation. 100baseTX Set 100Mbps (FastEthernet) operation. The ae driver provides support for the following media options: full-duplex Force full duplex operation. half-duplex Force half duplex operation. For more information on configuring this device, see ifconfig(8). HARDWARE
The ae driver supports Attansic/Atheros L2 PCIe FastEthernet controllers, and is known to support the following hardware: o ASUS EeePC 701 o ASUS EeePC 900 Other hardware may or may not work with this driver. LOADER TUNABLES
Tunables can be set at the loader(8) prompt before booting the kernel or stored in loader.conf(5). This tunable disables MSI support on the Ethernet hardware. The default value is 0. SYSCTL VARIABLES
The ae driver collects a number of useful MAC counter during the work. The statistics is available via the sysctl(8) tree, where %d corresponds to the controller number. DIAGNOSTICS
ae%d: watchdog timeout. The device has stopped responding to the network, or there is a problem with the network connection (cable). ae%d: reset timeout. The card reset operation has been timed out. ae%d: Generating random ethernet address. No valid Ethernet address was found in the controller NVRAM and registers. Random locally admin- istered address with ASUS OUI identifier will be used instead. SEE ALSO
altq(4), arp(4), miibus(4), netintro(4), ng_ether(4), vlan(4), ifconfig(8) BUGS
The Attansic L2 FastEthernet contoller supports DMA but does not use a descriptor based transfer mechanism via scatter-gather DMA. Thus the data should be copied to/from the controller memory on each transmit/receive. Furthermore, a lot of data alignment restrictions apply. This may introduce a high CPU load on systems with heavy network activity. Luckily enough this should not be a problem on modern hardware as L2 does not support speeds faster than 100Mbps. HISTORY
The ae driver and this manual page was written by Stanislav Sedov <>. It first appeared in FreeBSD 7.1. BSD
October 4, 2008 BSD
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