Dockerfile for Lagopus Switch

http://www.lagopus.org/

https://hub.docker.com/r/falcon8823/lagopus-docker/

• Allocate hugetlbfs to each container on the host.
  • And mount hugetlbfs to each container with -v Docker option.
• Set the -m EAL option to avoid allocating entire memory.
  • For sharing hugepages with each DPDK apps.
• If you use a specific PCI device, set the -w or -b EAL option.
  • -w: Whitelist
  • -b: Blacklist
• If you use igb_uio driver, mount the /dev/uio* with -v Docker option.
  • And --priviledged Docker option is required.

• Use 2 PCI devices (with ibg_uio driver) below
  • 0000:03:00.0
  • 0000:03:00.1

docker run -it \
  -v /dev/uio0:/dev/uio0 \
  -v /dev/uio1:/dev/uio1 \
  -v /mnt/huge_c0:/mnt/huge_c0 \
  falcon8823/lagopus-docker \
  lagopus -d -- -c 0xf -n 2 -m 1024 -w 03:00.0 -w 03:00.1

If you use multi NUMA node environment, you suffers from this error.

EAL: WARNING: Master core has no memory on local socket!

It may be caused by Docker environment. To avoid this, set the --cpuset-mems=0 Docker option.

Please refer to following links.

• https://github.com/falcon8823/lagopus/blob/master/docs/how-to-use-virtio-user.md
• http://dpdk.org/doc/guides/howto/virtio_user_for_container_networking.html