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 -wq net.ipv6.conf.default.accept_dad=0 24 ip net exec $CLIENT_NS2 sysctl -wq net.ipv6.conf.default.accept_dad=0 25 ip net exec $SERVER_NS sysctl -wq net.ipv6.conf.default.accept_dad=0 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 wait_client $CLIENT_NS1 66 wait_client $CLIENT_NS2 67 stop_server 68 cleanup_ns $CLIENT_NS1 $CLIENT_NS2 $SERVER_NS 69} 70 71start_server() { 72 local IFACE=$1 73 local CNT=0 74 75 ip netns exec $SERVER_NS ./sctp_hello server $AF $SERVER_IP $SERVER_PORT $IFACE & 76 disown 77 until ip netns exec $SERVER_NS ss -SlH | grep -q "$IFACE"; do 78 [ $((CNT++)) -eq 30 ] && { RET=3; return $RET; } 79 sleep 0.1 80 done 81} 82 83stop_server() { 84 local CNT=0 85 86 ip netns exec $SERVER_NS pkill sctp_hello 87 while ip netns exec $SERVER_NS ss -SaH | grep -q .; do 88 [ $((CNT++)) -eq 30 ] && break 89 sleep 0.1 90 done 91} 92 93wait_client() { 94 local CLIENT_NS=$1 95 local CNT=0 96 97 while ip netns exec $CLIENT_NS ss -SaH | grep -q .; do 98 [ $((CNT++)) -eq 30 ] && break 99 sleep 0.1 100 done 101} 102 103do_test() { 104 local CLIENT_NS=$1 105 local IFACE=$2 106 107 start_server $IFACE || return $RET 108 timeout 3 ip netns exec $CLIENT_NS ./sctp_hello client $AF \ 109 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 110 RET=$? 111 wait_client $CLIENT_NS 112 stop_server 113 return $RET 114} 115 116do_testx() { 117 local IFACE1=$1 118 local IFACE2=$2 119 120 start_server $IFACE1 || return $RET 121 start_server $IFACE2 || return $RET 122 timeout 3 ip netns exec $CLIENT_NS1 ./sctp_hello client $AF \ 123 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT && \ 124 timeout 3 ip netns exec $CLIENT_NS2 ./sctp_hello client $AF \ 125 $SERVER_IP $SERVER_PORT $CLIENT_IP $CLIENT_PORT 126 RET=$? 127 wait_client $CLIENT_NS1 128 wait_client $CLIENT_NS2 129 stop_server 130 return $RET 131} 132 133testup() { 134 ip netns exec $SERVER_NS sysctl -wq net.sctp.l3mdev_accept=1 135 echo -n "TEST 01: nobind, connect from client 1, l3mdev_accept=1, Y " 136 do_test $CLIENT_NS1 || { echo "[FAIL]"; return $RET; } 137 echo "[PASS]" 138 139 echo -n "TEST 02: nobind, connect from client 2, l3mdev_accept=1, N " 140 do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; } 141 echo "[PASS]" 142 143 ip netns exec $SERVER_NS sysctl -wq net.sctp.l3mdev_accept=0 144 echo -n "TEST 03: nobind, connect from client 1, l3mdev_accept=0, N " 145 do_test $CLIENT_NS1 && { echo "[FAIL]"; return $RET; } 146 echo "[PASS]" 147 148 echo -n "TEST 04: nobind, connect from client 2, l3mdev_accept=0, N " 149 do_test $CLIENT_NS2 && { echo "[FAIL]"; return $RET; } 150 echo "[PASS]" 151 152 echo -n "TEST 05: bind veth2 in server, connect from client 1, N " 153 do_test $CLIENT_NS1 veth2 && { echo "[FAIL]"; return $RET; } 154 echo "[PASS]" 155 156 echo -n "TEST 06: bind veth1 in server, connect from client 1, Y " 157 do_test $CLIENT_NS1 veth1 || { echo "[FAIL]"; return $RET; } 158 echo "[PASS]" 159 160 echo -n "TEST 07: bind vrf-1 in server, connect from client 1, Y " 161 do_test $CLIENT_NS1 vrf-1 || { echo "[FAIL]"; return $RET; } 162 echo "[PASS]" 163 164 echo -n "TEST 08: bind vrf-2 in server, connect from client 1, N " 165 do_test $CLIENT_NS1 vrf-2 && { echo "[FAIL]"; return $RET; } 166 echo "[PASS]" 167 168 echo -n "TEST 09: bind vrf-2 in server, connect from client 2, Y " 169 do_test $CLIENT_NS2 vrf-2 || { echo "[FAIL]"; return $RET; } 170 echo "[PASS]" 171 172 echo -n "TEST 10: bind vrf-1 in server, connect from client 2, N " 173 do_test $CLIENT_NS2 vrf-1 && { echo "[FAIL]"; return $RET; } 174 echo "[PASS]" 175 176 echo -n "TEST 11: bind vrf-1 & 2 in server, connect from client 1 & 2, Y " 177 do_testx vrf-1 vrf-2 || { echo "[FAIL]"; return $RET; } 178 echo "[PASS]" 179 180 echo -n "TEST 12: bind vrf-2 & 1 in server, connect from client 1 & 2, Y " 181 do_testx vrf-2 vrf-1 || { echo "[FAIL]"; return $RET; } 182 echo "[PASS]" 183} 184 185trap cleanup EXIT 186setup && echo "Testing For SCTP VRF:" && \ 187CLIENT_IP=$CLIENT_IP4 SERVER_IP=$SERVER_IP4 AF="-4" testup && echo "***v4 Tests Done***" && 188CLIENT_IP=$CLIENT_IP6 SERVER_IP=$SERVER_IP6 AF="-6" testup && echo "***v6 Tests Done***" 189exit $? 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