1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0 3# 4# Testing For SCTP VRF. 5# TOPO: CLIENT_NS1 (veth1) <---> (veth1) -> vrf_s1 6# SERVER_NS 7# CLIENT_NS2 (veth1) <---> (veth2) -> vrf_s2 8 9source lib.sh 10CLIENT_IP4="10.0.0.1" 11CLIENT_IP6="2000::1" 12CLIENT_PORT=1234 13 14SERVER_IP4="10.0.0.2" 15SERVER_IP6="2000::2" 16SERVER_PORT=1234 17 18setup() { 19 modprobe sctp 20 modprobe sctp_diag 21 setup_ns CLIENT_NS1 CLIENT_NS2 SERVER_NS 22 23 ip net exec $CLIENT_NS1 sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null 24 ip net exec $CLIENT_NS2 sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null 25 ip net exec $SERVER_NS sysctl -w net.ipv6.conf.default.accept_dad=0 2>&1 >/dev/null 26 27 ip -n $SERVER_NS link add veth1 type veth peer name veth1 netns $CLIENT_NS1 28 ip -n $SERVER_NS link add veth2 type veth peer name veth1 netns $CLIENT_NS2 29 30 ip -n $CLIENT_NS1 link set veth1 up 31 ip -n $CLIENT_NS1 addr add $CLIENT_IP4/24 dev veth1 32 ip -n $CLIENT_NS1 addr add $CLIENT_IP6/24 dev veth1 33 34 ip -n $CLIENT_NS2 link set veth1 up 35 ip -n $CLIENT_NS2 addr add $CLIENT_IP4/24 dev veth1 36 ip -n $CLIENT_NS2 addr add $CLIENT_IP6/24 dev veth1 37 38 ip -n $SERVER_NS link add dummy1 type dummy 39 ip -n $SERVER_NS link set dummy1 up 40 ip -n $SERVER_NS link add vrf-1 type vrf table 10 41 ip -n $SERVER_NS link add vrf-2 type vrf table 20 42 ip -n $SERVER_NS link set vrf-1 up 43 ip -n $SERVER_NS link set vrf-2 up 44 ip -n $SERVER_NS link set veth1 master vrf-1 45 ip -n $SERVER_NS link set veth2 master vrf-2 46 47 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev dummy1 48 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth1 49 ip -n $SERVER_NS addr add $SERVER_IP4/24 dev veth2 50 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev dummy1 51 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth1 52 ip -n $SERVER_NS addr add $SERVER_IP6/24 dev veth2 53 54 ip -n $SERVER_NS link set veth1 up 55 ip -n $SERVER_NS link set veth2 up 56 ip -n $SERVER_NS route add table 10 $CLIENT_IP4 dev veth1 src $SERVER_IP4 57 ip -n $SERVER_NS route add table 20 $CLIENT_IP4 dev veth2 src $SERVER_IP4 58 ip -n $SERVER_NS route add $CLIENT_IP4 dev veth1 src $SERVER_IP4 59 ip -n $SERVER_NS route add table 10 $CLIENT_IP6 dev veth1 src $SERVER_IP6 60 ip -n $SERVER_NS route add table 20 $CLIENT_IP6 dev veth2 src $SERVER_IP6 61 ip -n $SERVER_NS route add $CLIENT_IP6 dev veth1 src $SERVER_IP6 62} 63 64cleanup() { 65 ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null 66 cleanup_ns $CLIENT_NS1 $CLIENT_NS2 $SERVER_NS 67} 68 69wait_server() { 70 local IFACE=$1 71 local CNT=0 72 73 until ip netns exec $SERVER_NS ss -lS src $SERVER_IP:$SERVER_PORT | \ 74 grep LISTEN | grep "$IFACE" 2>&1 >/dev/null; do 75 [ $((CNT++)) = "20" ] && { RET=3; return $RET; } 76 sleep 0.1 77 done 78} 79 80do_test() { 81 local CLIENT_NS=$1 82 local IFACE=$2 83 84 ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null 85 ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \ 86 $SERVER_PORT $IFACE 2>&1 >/dev/null & 87 disown 88 wait_server $IFACE || return $RET 89 timeout 3 ip netns exec $CLIENT_NS ./sctp_hello client $AF \ 90 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null 91 RET=$? 92 return $RET 93} 94 95do_testx() { 96 local IFACE1=$1 97 local IFACE2=$2 98 99 ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null 100 ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \ 101 $SERVER_PORT $IFACE1 2>&1 >/dev/null & 102 disown 103 wait_server $IFACE1 || return $RET 104 ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP \ 105 $SERVER_PORT $IFACE2 2>&1 >/dev/null & 106 disown 107 wait_server $IFACE2 || return $RET 108 timeout 3 ip netns exec $CLIENT_NS1 ./sctp_hello client $AF \ 109 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null && \ 110 timeout 3 ip netns exec $CLIENT_NS2 ./sctp_hello client $AF \ 111 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 2>&1 >/dev/null 112 RET=$? 113 return $RET 114} 115 116testup() { 117 ip netns exec $SERVER_NS sysctl -w net.sctp.l3mdev_accept=1 2>&1 >/dev/null 118 echo -n "TEST 01: nobind, connect from client 1, l3mdev_accept=1, Y " 119 do_test $CLIENT_NS1 || { echo "[FAIL]"; return $RET; } 120 echo "[PASS]" 121 122 echo -n "TEST 02: nobind, connect from client 2, l3mdev_accept=1, N " 123 do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; } 124 echo "[PASS]" 125 126 ip netns exec $SERVER_NS sysctl -w net.sctp.l3mdev_accept=0 2>&1 >/dev/null 127 echo -n "TEST 03: nobind, connect from client 1, l3mdev_accept=0, N " 128 do_test $CLIENT_NS1 && { echo "[FAIL]"; return $RET; } 129 echo "[PASS]" 130 131 echo -n "TEST 04: nobind, connect from client 2, l3mdev_accept=0, N " 132 do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; } 133 echo "[PASS]" 134 135 echo -n "TEST 05: bind veth2 in server, connect from client 1, N " 136 do_test $CLIENT_NS1 veth2 && { echo "[FAIL]"; return $RET; } 137 echo "[PASS]" 138 139 echo -n "TEST 06: bind veth1 in server, connect from client 1, Y " 140 do_test $CLIENT_NS1 veth1 || { echo "[FAIL]"; return $RET; } 141 echo "[PASS]" 142 143 echo -n "TEST 07: bind vrf-1 in server, connect from client 1, Y " 144 do_test $CLIENT_NS1 vrf-1 || { echo "[FAIL]"; return $RET; } 145 echo "[PASS]" 146 147 echo -n "TEST 08: bind vrf-2 in server, connect from client 1, N " 148 do_test $CLIENT_NS1 vrf-2 && { echo "[FAIL]"; return $RET; } 149 echo "[PASS]" 150 151 echo -n "TEST 09: bind vrf-2 in server, connect from client 2, Y " 152 do_test $CLIENT_NS2 vrf-2 || { echo "[FAIL]"; return $RET; } 153 echo "[PASS]" 154 155 echo -n "TEST 10: bind vrf-1 in server, connect from client 2, N " 156 do_test $CLIENT_NS2 vrf-1 && { echo "[FAIL]"; return $RET; } 157 echo "[PASS]" 158 159 echo -n "TEST 11: bind vrf-1 & 2 in server, connect from client 1 & 2, Y " 160 do_testx vrf-1 vrf-2 || { echo "[FAIL]"; return $RET; } 161 echo "[PASS]" 162 163 echo -n "TEST 12: bind vrf-2 & 1 in server, connect from client 1 & 2, N " 164 do_testx vrf-2 vrf-1 || { echo "[FAIL]"; return $RET; } 165 echo "[PASS]" 166} 167 168trap cleanup EXIT 169setup && echo "Testing For SCTP VRF:" && \ 170CLIENT_IP=$CLIENT_IP4 SERVER_IP=$SERVER_IP4 AF="-4" testup && echo "***v4 Tests Done***" && 171CLIENT_IP=$CLIENT_IP6 SERVER_IP=$SERVER_IP6 AF="-6" testup && echo "***v6 Tests Done***" 172exit $? 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