[OpenBSD]

Manual Page Search Parameters

CNMAC(4) Device Drivers Manual (octeon) CNMAC(4)

cnmacCavium OCTEON built-in Ethernet device

cnmac* at cn30xxgmx?

The cnmac driver supports built-in Ethernet ports on Cavium OCTEON CN30xx, Cavium OCTEON Plus CN50xx, Cavium OCTEON II CN61xx, and Cavium OCTEON III CN71xx system on chips. Among the routers based on these chips are the following:
The cnmac driver supports TCP/UDP checksum offload on IPv4/IPv6 reception and transmission, and IPv4 checksum offload on reception. The driver additionally supports jumbo frames.

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

The cnmac driver first appeared in OpenBSD 5.4.

The cnmac driver was written by Internet Initiative Japan Inc.
March 28, 2018 OpenBSD-current