153. vhost-user interrupt mode test plan¶

153.1. Description¶

Vhost-user interrupt need test with l3fwd-power sample, small packets send from virtio-user to vhost side， check vhost-user cores can be wakeup，and vhost-user cores should be back to sleep after stop sending packets from virtio side.

153.2. Test flow¶

Virtio-user –> Vhost-user

153.3. Test Case1: Wake up split ring vhost-user core with l3fwd-power sample¶

Launch virtio-user with server mode:

./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 7-8 -n 4 --no-pci --file-prefix=virtio \
--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/sock0,server=1,queues=1 -- -i

Build l3fwd-power sample and launch l3fwd-power with a virtual vhost device:

./x86_64-native-linuxapp-gcc/examples/dpdk-l3fwd-power -l 0-3 -n 4 --no-pci \
--vdev 'eth_vhost0,iface=/tmp/sock0,queues=1,client=1' -- -p 0x1 --parse-ptype 1 --config "(0,0,2)"

Send packet by testpmd, check vhost-user core will keep wakeup status:
```
testpmd>set fwd txonly
testpmd>start
```
Stop and restart testpmd again, check vhost-user core will sleep and wakeup again.

153.4. Test Case2: Wake up split ring vhost-user cores with l3fwd-power sample when multi queues are enabled¶

Launch virtio-user with server mode:

./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --no-pci --file-prefix=virtio \
--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/sock0,server=1,queues=4 -- -i --rxq=4 --txq=4 --rss-ip

Build l3fwd-power sample and launch l3fwd-power with a virtual vhost device:

./x86_64-native-linuxapp-gcc/examples/dpdk-l3fwd-power -l 9-12 -n 4 --no-pci --log-level=9 \
--vdev 'eth_vhost0,iface=/tmp/sock0,queues=4,client=1' -- -p 0x1 --parse-ptype 1 \
--config "(0,0,9),(0,1,10),(0,2,11),(0,3,12)"

Send packet by testpmd, check vhost-user multi-cores will keep wakeup status:
```
testpmd>set fwd txonly
testpmd>start
```
Stop and restart testpmd again, check vhost-user cores will sleep and wakeup again.

153.5. Test Case3: Wake up packed ring vhost-user core with l3fwd-power sample¶

Launch virtio-user with server mode:

./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 7-8 -n 4 --no-pci --file-prefix=virtio \
--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/sock0,server=1,queues=1,packed_vq=1 -- -i

Build l3fwd-power sample and launch l3fwd-power with a virtual vhost device:

./x86_64-native-linuxapp-gcc/examples/dpdk-l3fwd-power -l 0-3 -n 4 --no-pci \
--vdev 'eth_vhost0,iface=/tmp/sock0,queues=1,client=1' -- -p 0x1 --parse-ptype 1 --config "(0,0,2)"

Send packet by testpmd, check vhost-user core will keep wakeup status:
```
testpmd>set fwd txonly
testpmd>start
```
Stop and restart testpmd again, check vhost-user core will sleep and wakeup again.

153.6. Test Case4: Wake up packed ring vhost-user cores with l3fwd-power sample when multi queues are enabled¶

Launch virtio-user with server mode:

./x86_64-native-linuxapp-gcc/app/dpdk-testpmd -l 1-5 -n 4 --no-pci --file-prefix=virtio \
--vdev=net_virtio_user0,mac=00:11:22:33:44:10,path=/tmp/sock0,server=1,queues=4,packed_vq=1,mrg_rxbuf=0 -- -i --rxq=4 --txq=4 --rss-ip

Build l3fwd-power sample and launch l3fwd-power with a virtual vhost device:

./x86_64-native-linuxapp-gcc/examples/dpdk-l3fwd-power -l 9-12 -n 4 --no-pci --log-level=9 \
--vdev 'eth_vhost0,iface=/tmp/sock0,queues=4,client=1' -- -p 0x1 --parse-ptype 1 \
--config "(0,0,9),(0,1,10),(0,2,11),(0,3,12)"

Send packet by testpmd, check vhost-user multi-cores will keep wakeup status:
```
testpmd>set fwd txonly
testpmd>start
```
Stop and restart testpmd again, check vhost-user cores will sleep and wakeup again.