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TX (4) | Special files and drivers | Unix Manual Pages | :man


tx - "SMC 83c17x Fast Ethernet device driver"


See Also


To compile support for the tx driver into your kernel, place the following lines in your kernel configuration file:

.Cd "device miibus"

.Cd "device tx"

Alternatively, to load the tx driver at boot time, place the following line in loader.conf(5):


The tx driver provides support for the Ethernet adapters based on the SMC 83c17x (EPIC) chips. These are mostly SMC 9432 series cards.

The tx driver supports the following media types (depending on card’s capabilities):

autoselect Enable autonegotiation (default).
100baseFX Set 100Mbps (Fast Ethernet) fiber optic operation.
100baseTX Set 100Mbps (Fast Ethernet) twisted pair operation.
10baseT/UTP Set 10Mbps on 10baseT port.
10base2/BNC Set 10Mbps on 10base2 port.

The tx driver supports the following media options:

full-duplex Set full-duplex operation.

The tx driver supports oversized Ethernet packets (up to 1600 bytes). Refer to the ifconfig(8) man page on setting the interface’s MTU.

The old ""ifconfig tx0 linkN"" method of configuration is not supported.

"VLAN (IEEE 802.1Q) support"

The tx driver supports the VLAN operation (using vlan(4) interfaces) without decreasing the MTU on the vlan(4) interfaces.


"tx%d: device timeout %d packets" The device stops responding. Device and driver reset follows this error.
"tx%d: PCI fatal error occurred (%s)" One of following errors occurred: PCI Target Abort, PCI Master Abort, Data Parity Error or Address Parity Error. Device and driver reset follows this error.
"tx%d: cannot allocate mbuf header/cluster" Cannot allocate memory for received packet. Packet thrown away.
"tx%d: can’t stop %s DMA" While resetting, the driver failed to stop the device correctly.


arp(4), miibus(4), netintro(4), ng_ether(4), ifconfig(8)


Created by Blin Media, 2008-2013