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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# xdping tests
# Here we setup and teardown configuration required to run
# xdping, exercising its options.
#
# Setup is similar to test_tunnel tests but without the tunnel.
#
# Topology:
# ---------
# root namespace | tc_ns0 namespace
# |
# ---------- | ----------
# | veth1 | --------- | veth0 |
# ---------- peer ----------
#
# Device Configuration
# --------------------
# Root namespace with BPF
# Device names and addresses:
# veth1 IP: 10.1.1.200
# xdp added to veth1, xdpings originate from here.
#
# Namespace tc_ns0 with BPF
# Device names and addresses:
# veth0 IPv4: 10.1.1.100
# For some tests xdping run in server mode here.
#
readonly TARGET_IP="10.1.1.100"
readonly TARGET_NS="xdp_ns0"
readonly LOCAL_IP="10.1.1.200"
setup()
{
ip netns add $TARGET_NS
ip link add veth0 type veth peer name veth1
ip link set veth0 netns $TARGET_NS
ip netns exec $TARGET_NS ip addr add ${TARGET_IP}/24 dev veth0
ip addr add ${LOCAL_IP}/24 dev veth1
ip netns exec $TARGET_NS ip link set veth0 up
ip link set veth1 up
}
cleanup()
{
set +e
ip netns delete $TARGET_NS 2>/dev/null
ip link del veth1 2>/dev/null
if [[ $server_pid -ne 0 ]]; then
kill -TERM $server_pid
fi
}
test()
{
client_args="$1"
server_args="$2"
echo "Test client args '$client_args'; server args '$server_args'"
server_pid=0
if [[ -n "$server_args" ]]; then
ip netns exec $TARGET_NS ./xdping $server_args &
server_pid=$!
sleep 10
fi
./xdping $client_args $TARGET_IP
if [[ $server_pid -ne 0 ]]; then
kill -TERM $server_pid
server_pid=0
fi
echo "Test client args '$client_args'; server args '$server_args': PASS"
}
set -e
server_pid=0
trap cleanup EXIT
setup
for server_args in "" "-I veth0 -s -S" ; do
# client in skb mode
client_args="-I veth1 -S"
test "$client_args" "$server_args"
# client with count of 10 RTT measurements.
client_args="-I veth1 -S -c 10"
test "$client_args" "$server_args"
done
# Test drv mode
test "-I veth1 -N" "-I veth0 -s -N"
test "-I veth1 -N -c 10" "-I veth0 -s -N"
echo "OK. All tests passed"
exit 0
|
