|autoselect||Enable autoselection of the media type.|
|Select UTP media.|
|Select AUI/BNC media.|
The following media option is supported with these media types:
|Select full duplex operation.|
Note that unlike the pcn(4) driver, the le driver does not support selecting 100Mbps (Fast Ethernet) media types.
The le driver supports the on-board LANCE interfaces found in Sun Ultra 1 machines. The le driver allows the selection of the following media types via ifconfig(8) with these on-board interfaces:
autoselect Enable autoselection of the media type. 10baseT/UTP Select UTP media. 10base5/AUI Select AUI media.
When using autoselection, a default media type is selected for use by examining all ports for carrier. The first media type with which a carrier is detected will be selected. Additionally, if carrier is dropped on a port, the driver will switch between the possible ports until one with carrier is found.
The le driver also supports the following Sun SBus Ethernet add-on adapters:
- SCSI HBA and Buffered Ethernet (SBE/S, P/N 501-1869)
- Fast SCSI and Buffered Ethernet (FSBE/S, P/N 501-2015 and 501-2981)
The le driver does not support the selection of media types and options via ifconfig(8) with SBus Ethernet add-on adapters.
For further information on configuring media types and options, see ifconfig(8).
le%d: overflow More packets came in from the Ethernet than there was space in the LANCE receive buffers. Packets were missed. le%d: receive buffer error The LANCE ran out of buffer space, packet dropped. le%d: lost carrier The Ethernet carrier disappeared during an attempt to transmit. The LANCE will finish transmitting the current packet, but will not automatically retry transmission if there is a collision. le%d: excessive collisions, tdr %d The Ethernet was extremely busy or jammed, outbound packets were dropped after 16 attempts to retransmit.
TDR is the abbreviation of "Time Domain Reflectometry". The optionally reported TDR value is an internal counter of the interval between the start of a transmission and the occurrence of a collision. This value can be used to determine the distance from the Ethernet tap to the point on the Ethernet cable that is shorted or open (unterminated).
le%d: dropping chained buffer A packet did not fit into a single receive buffer and was dropped. Since the le driver allocates buffers large enough to receive maximum sized Ethernet packets, this means some other station on the LAN transmitted a packet larger than allowed by the Ethernet standard. le%d: transmit buffer error The LANCE ran out of buffer space before finishing the transmission of a packet. If this error occurs, the driver software has a bug. le%d: underflow The LANCE ran out of buffer space before finishing the transmission of a packet. If this error occurs, the driver software has a bug. le%d: controller failed to initialize Driver failed to start the LANCE. This is potentially a hardware failure. le%d: memory error RAM failed to respond within the timeout when the LANCE wanted to read or write it. This is potentially a hardware failure. le%d: receiver disabled The receiver of the LANCE was turned off due to an error. le%d: transmitter disabled The transmitter of the LANCE was turned off due to an error.
The le driver was ported from
.Nx and first appeared in
.Fx 6.1 . The
.Nx version in turn was derived from the le driver which first appeared in BSD 4.4 .
The le driver was ported by
.An Marius Strobl Aq marius@FreeBSD.org .