CAD(4) | Device Drivers Manual | CAD(4)

# 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

January 27, 2022 | Debian