FreeBSD Kernel Extensions
Alpha platform support
Doug Rabson leads the FreeBSD/alpha port.
Compaq’s low-overhead system-wide profiling tool which uses Alpha performance counters.
Network drivers for Trapeze/Myrinet and Alteon.
Alteon driver thanks to Bill Paul
Modified socket layer to support zero-copy sockets.
Note: no modifications to TCP/IP stack
Added driver/OS support for receiver checksum offloading.