Subject: Hardware IPv4/TCP/UDP checksumming support
To: None <>
From: Jason R Thorpe <>
List: tech-net
Date: 06/02/2001 10:25:10

I have committed my changes to support in-bound and out-bound IPv4, TCP,
and UDP checksumming to NetBSD-current.  It is currently supported on the
NatSemi DP83820 Gigabit Ethernet (gsip), 3Com Etherlink XL (ex), and
Alteon Tigon/Tigon2 Gigabit Ethernet (ti).  There is also support for
caching the IPv6 TCP pseudo-header checksum, which should save some CPU
time for IPv6 users, as well.

Please report any problems you experience with this code via send-pr(1).

Shar and enjoy!

        -- Jason R. Thorpe <>