CAD(4) Device Drivers Manual CAD(4)

cadCadence 10/100/1Gb Ethernet device

cad* at fdt?

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.

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

The cad driver first appeared in OpenBSD 7.0

January 27, 2022 OpenBSD 7.5