AF_PACKET testing with BESS

afpacket.bess

s1u = PMDPort(name="s1u", vdev="net_af_packet0,iface=s1u")
sgi = PMDPort(name="sgi", vdev="net_af_packet1,iface=sgi")

s1u_dpdk = PMDPort(name="s1u_dpdk", port_id=0)
sgi_dpdk = PMDPort(name="sgi_dpdk", port_id=1)

PortInc(port=s1u_dpdk.name) -> PortOut(port=s1u.name)
PortInc(port=s1u.name) -> PortOut(port=s1u_dpdk.name)

PortInc(port=sgi_dpdk.name) -> PortOut(port=sgi.name)
PortInc(port=sgi.name) -> PortOut(port=sgi_dpdk.name)

setup-bess.sh

# Bind devices to dpdk
sudo /opt/dpdk/usertools/dpdk-devbind.py -b vfio-pci 05:00.0 05:00.1

# Start BESS
docker run --name bess -itd --rm --cap-add NET_ADMIN \
--device=/dev/vfio/48 --device=/dev/vfio/49 --device=/dev/vfio/vfio \
--ulimit memlock=-1 -v /dev/hugepages:/dev/hugepages \
-v $(pwd)/afpacket.bess:/tmp/afpacket.bess \
ngick8stesting/ngic-bessd-ctl bessd -f

# Setup veths
docker exec bess bash -c "
ip link add l_s1u type veth peer name s1u;
ip link add l_sgi type veth peer name sgi;
ip link set s1u up;
ip link set sgi up;
ip link set l_s1u up;
ip link set l_sgi up;
ip addr add 1.1.1.10/24 dev l_s1u;
ip addr add 2.2.2.10/24 dev l_sgi;
ip route;
"

# Create pipeline
docker exec bess /opt/bessctl/bessctl/bessctl run file /tmp/afpacket.bess
docker exec bess /opt/bessctl/bessctl/bessctl show pipeline

# Stop BESS
docker stop bess

tester-machine.sh

# Create netNS
sudo ip netns add s1u
sudo ip netns add sgi

# Move ports into netNS 
sudo ip link set ens785f0 netns s1u up
sudo ip link set ens785f1 netns sgi up

# Setup IP
sudo ip netns exec s1u ip addr add 1.1.1.11/24 dev ens785f0
sudo ip netns exec sgi ip addr add 2.2.2.11/24 dev ens785f1

# Setup default route
sudo ip netns exec s1u ip route add default via 1.1.1.10
sudo ip netns exec sgi ip route add default via 2.2.2.10

# Ping test
sudo ip netns exec s1u ping 2.2.2.10
sudo ip netns exec sgi ping 1.1.1.10

# Delete netNS, will return back the devs
sudo ip netns del s1u
sudo ip netns del sgi