usb01: Fix warning
swi01: Fix warning
NETISR(9): Fix NULL pointer access
commands: Use REQUIRE_ORDER option processing
if_smc: Fix for level-triggered interrupts
nexus: Add table based Nexus device initialization
swi01: Avoid Nexus devices
timeout01: Avoid Nexus devices
if_tsec: Add from FreeBSD
if_smc: Add Nexus device support