network/dctcp: add dctcp congestion control algorithm test

The test compares cubic and dctcp congestion control algorithms
performance. One of the hosts emulates packets congestion with netem
loss 0.03%. Also ECN is enabled on the host, which is required
for dctcp algorithm to work properly.

Signed-off-by: Alexey Kodanev <alexey.kodanev@oracle.com>
3 files changed