GENET(4) | Device Drivers Manual | GENET(4)

# NAME

`genet` — Broadcom GENET 10/100/1Gb Ethernet device

# SYNOPSIS

`genet* at acpi?`
`genet* at fdt?`
`brgphy* at mii?`

# DESCRIPTION

The `genet` driver provides support for the Broadcom GENET v5 controller found on the Raspberry Pi 4.

The `genet` driver supports several media types, which are selected via the ifconfig(8) command. The supported media types are:

`media` autoselect
  Attempt to autoselect the media type (default)
`media` 1000baseT `mediaopt` full-duplex
  Use 1000baseT on copper, full duplex
`media` 1000baseT `mediaopt` half-duplex
  Use 1000baseT on copper, half duplex
`media` 100baseTX `mediaopt` full-duplex
  Use 100baseTX, full duplex
`media` 100baseTX `mediaopt` half-duplex
  Use 100baseTX, half duplex
`media` 10baseT `mediaopt` full-duplex
  Use 10baseT, full duplex
`media` 10baseT `mediaopt` half-duplex
  Use 10baseT, half duplex

# SEE ALSO

arp(4), brgphy(4), ifmedia(4), inet(4), intro(4), netintro(4), ifconfig(8), rnd(9)

# HISTORY

The `genet` driver first appeared in NetBSD 10.

# AUTHORS

The `genet` driver was written by Jared D. McNeill <jmcneill@NetBSD.org>.

August 28, 2025 | NetBSD 11.99