CAD(4) - Device Drivers Manual #

CAD(4) - Device Drivers Manual

NAME #

cad - Cadence 10/100/1Gb Ethernet device

SYNOPSIS #

cad* at fdt?

DESCRIPTION #

The cad driver supports the Cadence Gigabit Ethernet MAC core found on some SoCs, including the following:

• Microchip PolarFire SoC
• SiFive FU740-C000
• Xilinx Zynq-7000

The cad driver supports IPv4 receive IP/TCP/UDP checksum offload, and IPv6 receive TCP/UDP checksum offload.

The following media types and options are supported, as given to ifconfig(8):

media autoselect

Use auto-negotiation for speed and duplex (default).

media 1000baseT mediaopt full-duplex

Use 1000baseT on copper, full duplex.

media 100baseTX mediaopt full-duplex

Use 100baseTX on copper, full duplex.

media 100baseTX mediaopt half-duplex

Use 100baseTX on copper, half duplex.

media 10baseT mediaopt full-duplex

Use 10baseT on copper, full duplex.

media 10baseT mediaopt half-duplex

Use 10baseT on copper, half duplex.

SEE ALSO #

arp(4), ifmedia(4), intro(4), netintro(4), hostname.if(5), ifconfig(8)

HISTORY #

The cad driver first appeared in OpenBSD 7.0

OpenBSD 7.5 - January 27, 2022