#!/bin/bash # SPDX-License-Identifier: GPL-2.0 # # Testing For SCTP VRF. # TOPO: CLIENT_NS1 (veth1) <---> (veth1) -> vrf_s1 # SERVER_NS # CLIENT_NS2 (veth1) <---> (veth2) -> vrf_s2 source lib.sh CLIENT_IP4="10.0.0.1" CLIENT_IP6="2000::1" CLIENT_PORT=1234 SERVER_IP4="10.0.0.2" SERVER_IP6="2000::2" SERVER_PORT=1234 setup() { modprobe sctp modprobe sctp_diag setup_ns CLIENT_NS1 CLIENT_NS2 SERVER_NS ip net exec $CLIENT_NS1 sysctl -wq net.ipv6.conf.default.accept_dad=0 ip net exec $CLIENT_NS2 sysctl -wq net.ipv6.conf.default.accept_dad=0 ip net exec $SERVER_NS sysctl -wq net.ipv6.conf.default.accept_dad=0 ip -n $SERVER_NS link add veth1 type veth peer name veth1 netns $CLIENT_NS1 ip -n $SERVER_NS link add veth2 type veth peer name veth1 netns $CLIENT_NS2 ip -n $CLIENT_NS1 link set veth1 up ip -n $CLIENT_NS1 addr add $CLIENT_IP4/24 dev veth1 ip -n $CLIENT_NS1 addr add $CLIENT_IP6/24 dev veth1 ip -n $CLIENT_NS2 link set veth1 up ip -n $CLIENT_NS2 addr add $CLIENT_IP4/24 dev veth1 ip -n $CLIENT_NS2 addr add $CLIENT_IP6/24 dev veth1 ip -n $SERVER_NS link add dummy1 type dummy ip -n $SERVER_NS link set dummy1 up ip -n $SERVER_NS link add vrf-1 type vrf table 10 ip -n $SERVER_NS link add vrf-2 type vrf table 20 ip -n $SERVER_NS link set vrf-1 up ip -n $SERVER_NS link set vrf-2 up ip -n $SERVER_NS link set veth1 master vrf-1 ip -n $SERVER_NS link set veth2 master vrf-2 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev dummy1 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth1 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth2 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev dummy1 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth1 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth2 ip -n $SERVER_NS link set veth1 up ip -n $SERVER_NS link set veth2 up ip -n $SERVER_NS route add table 10 $CLIENT_IP4 dev veth1 src $SERVER_IP4 ip -n $SERVER_NS route add table 20 $CLIENT_IP4 dev veth2 src $SERVER_IP4 ip -n $SERVER_NS route add $CLIENT_IP4 dev veth1 src $SERVER_IP4 ip -n $SERVER_NS route add table 10 $CLIENT_IP6 dev veth1 src $SERVER_IP6 ip -n $SERVER_NS route add table 20 $CLIENT_IP6 dev veth2 src $SERVER_IP6 ip -n $SERVER_NS route add $CLIENT_IP6 dev veth1 src $SERVER_IP6 } cleanup() { wait_client $CLIENT_NS1 wait_client $CLIENT_NS2 stop_server cleanup_ns $CLIENT_NS1 $CLIENT_NS2 $SERVER_NS } start_server() { local IFACE=$1 local CNT=0 ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP $SERVER_PORT $IFACE & disown until ip netns exec $SERVER_NS ss -SlH | grep -q "$IFACE"; do [ $((CNT++)) -eq 30 ] && { RET=3; return $RET; } sleep 0.1 done } stop_server() { local CNT=0 ip netns exec $SERVER_NS pkill sctp_hello while ip netns exec $SERVER_NS ss -SaH | grep -q .; do [ $((CNT++)) -eq 30 ] && break sleep 0.1 done } wait_client() { local CLIENT_NS=$1 local CNT=0 while ip netns exec $CLIENT_NS ss -SaH | grep -q .; do [ $((CNT++)) -eq 30 ] && break sleep 0.1 done } do_test() { local CLIENT_NS=$1 local IFACE=$2 start_server $IFACE || return $RET timeout 3 ip netns exec $CLIENT_NS ./sctp_hello client $AF \ $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT RET=$? wait_client $CLIENT_NS stop_server return $RET } do_testx() { local IFACE1=$1 local IFACE2=$2 start_server $IFACE1 || return $RET start_server $IFACE2 || return $RET timeout 3 ip netns exec $CLIENT_NS1 ./sctp_hello client $AF \ $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT && \ timeout 3 ip netns exec $CLIENT_NS2 ./sctp_hello client $AF \ $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT RET=$? wait_client $CLIENT_NS1 wait_client $CLIENT_NS2 stop_server return $RET } testup() { ip netns exec $SERVER_NS sysctl -wq net.sctp.l3mdev_accept=1 echo -n "TEST 01: nobind, connect from client 1, l3mdev_accept=1, Y " do_test $CLIENT_NS1 || { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 02: nobind, connect from client 2, l3mdev_accept=1, N " do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; } echo "[PASS]" ip netns exec $SERVER_NS sysctl -wq net.sctp.l3mdev_accept=0 echo -n "TEST 03: nobind, connect from client 1, l3mdev_accept=0, N " do_test $CLIENT_NS1 && { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 04: nobind, connect from client 2, l3mdev_accept=0, N " do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 05: bind veth2 in server, connect from client 1, N " do_test $CLIENT_NS1 veth2 && { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 06: bind veth1 in server, connect from client 1, Y " do_test $CLIENT_NS1 veth1 || { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 07: bind vrf-1 in server, connect from client 1, Y " do_test $CLIENT_NS1 vrf-1 || { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 08: bind vrf-2 in server, connect from client 1, N " do_test $CLIENT_NS1 vrf-2 && { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 09: bind vrf-2 in server, connect from client 2, Y " do_test $CLIENT_NS2 vrf-2 || { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 10: bind vrf-1 in server, connect from client 2, N " do_test $CLIENT_NS2 vrf-1 && { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 11: bind vrf-1 & 2 in server, connect from client 1 & 2, Y " do_testx vrf-1 vrf-2 || { echo "[FAIL]"; return $RET; } echo "[PASS]" echo -n "TEST 12: bind vrf-2 & 1 in server, connect from client 1 & 2, Y " do_testx vrf-2 vrf-1 || { echo "[FAIL]"; return $RET; } echo "[PASS]" } trap cleanup EXIT setup && echo "Testing For SCTP VRF:" && \ CLIENT_IP=$CLIENT_IP4 SERVER_IP=$SERVER_IP4 AF="-4" testup && echo "***v4 Tests Done***" && CLIENT_IP=$CLIENT_IP6 SERVER_IP=$SERVER_IP6 AF="-6" testup && echo "***v6 Tests Done***" exit $?