1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3 4# xdping tests 5# Here we setup and teardown configuration required to run 6# xdping, exercising its options. 7# 8# Setup is similar to test_tunnel tests but without the tunnel. 9# 10# Topology: 11# --------- 12# root namespace | tc_ns0 namespace 13# | 14# ---------- | ---------- 15# | veth1 | --------- | veth0 | 16# ---------- peer ---------- 17# 18# Device Configuration 19# -------------------- 20# Root namespace with BPF 21# Device names and addresses: 22# veth1 IP: 10.1.1.200 23# xdp added to veth1, xdpings originate from here. 24# 25# Namespace tc_ns0 with BPF 26# Device names and addresses: 27# veth0 IPv4: 10.1.1.100 28# For some tests xdping run in server mode here. 29# 30 31readonly TARGET_IP="10.1.1.100" 32readonly TARGET_NS="xdp_ns0" 33 34readonly LOCAL_IP="10.1.1.200" 35 36setup() 37{ 38 ip netns add $TARGET_NS 39 ip link add veth0 type veth peer name veth1 40 ip link set veth0 netns $TARGET_NS 41 ip netns exec $TARGET_NS ip addr add ${TARGET_IP}/24 dev veth0 42 ip addr add ${LOCAL_IP}/24 dev veth1 43 ip netns exec $TARGET_NS ip link set veth0 up 44 ip link set veth1 up 45} 46 47cleanup() 48{ 49 set +e 50 ip netns delete $TARGET_NS 2>/dev/null 51 ip link del veth1 2>/dev/null 52 if [[ $server_pid -ne 0 ]]; then 53 kill -TERM $server_pid 54 fi 55} 56 57test() 58{ 59 client_args="$1" 60 server_args="$2" 61 62 echo "Test client args '$client_args'; server args '$server_args'" 63 64 server_pid=0 65 if [[ -n "$server_args" ]]; then 66 ip netns exec $TARGET_NS ./xdping $server_args & 67 server_pid=$! 68 sleep 10 69 fi 70 ./xdping $client_args $TARGET_IP 71 72 if [[ $server_pid -ne 0 ]]; then 73 kill -TERM $server_pid 74 server_pid=0 75 fi 76 77 echo "Test client args '$client_args'; server args '$server_args': PASS" 78} 79 80set -e 81 82server_pid=0 83 84trap cleanup EXIT 85 86setup 87 88for server_args in "" "-I veth0 -s -S" ; do 89 # client in skb mode 90 client_args="-I veth1 -S" 91 test "$client_args" "$server_args" 92 93 # client with count of 10 RTT measurements. 94 client_args="-I veth1 -S -c 10" 95 test "$client_args" "$server_args" 96done 97 98echo "OK. All tests passed" 99exit 0 100