OpenFastPath
Another Open source project.
User-land protocol stack. Incorporate with ODP
To use with DPDK, ODP and ODP-DPDK should be used.
From the FAQ
Q: Does the OFP IP stack mimic Linux stack config inside the fastpath, meaning does it intercept Linux ipconfig/ip commands and automatically create similar entities inside the fastpath stack? A: Yes. Uses Netlink to sync with ifconfig commands and also with routes. Q: Does the OFP IP stack have full IPv4/IPv6 fragmentation/re-assembly support?