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

NAME

cnmacCavium OCTEON built-in Ethernet device

SYNOPSIS

cnmac* at cn30xxgmx?

DESCRIPTION

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.

SEE ALSO

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

HISTORY

The cnmac driver first appeared in OpenBSD 5.4.

AUTHORS

The cnmac driver was written by Internet Initiative Japan Inc.
September 7, 2017 OpenBSD-current