tools/testing/selftests/net/sctp_vrf.sh

   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
   9 source lib.sh
  10 CLIENT_IP4="10.0.0.1"
  11 CLIENT_IP6="2000::1"
  12 CLIENT_PORT=1234
  13
  14 SERVER_IP4="10.0.0.2"
  15 SERVER_IP6="2000::2"
  16 SERVER_PORT=1234
  17
  18 setup() {
  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
  64 cleanup() {
  65         ip netns exec $SERVER_NS pkill sctp_hello 2>&1 >/dev/null
  66         cleanup_ns $CLIENT_NS1 $CLIENT_NS2 $SERVER_NS
  67 }
  68
  69 wait_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
  80 do_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
  95 do_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
 116 testup() {
 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 $RET; }
 165         echo "[PASS]"
 166 }
 167
 168 trap cleanup EXIT
 169 setup && echo "Testing For SCTP VRF:" && \
 170 CLIENT_IP=$CLIENT_IP4 SERVER_IP=$SERVER_IP4 AF="-4" testup && echo "***v4 Tests Done***" &&
 171 CLIENT_IP=$CLIENT_IP6 SERVER_IP=$SERVER_IP6 AF="-6" testup && echo "***v6 Tests Done***"
 172 exit $?