2 # SPDX-License-Identifier: GPL-2.0
4 ALL_TESTS="ping_ipv4 ping_ipv6 multipath_test"
11 ip link set dev $h1 master vrf-h1
13 ip link set dev vrf-h1 up
14 ip link set dev $h1 up
16 ip address add 192.0.2.2/24 dev $h1
17 ip address add 2001:db8:1::2/64 dev $h1
19 ip route add 198.51.100.0/24 vrf vrf-h1 nexthop via 192.0.2.1
20 ip route add 2001:db8:2::/64 vrf vrf-h1 nexthop via 2001:db8:1::1
25 ip route del 2001:db8:2::/64 vrf vrf-h1
26 ip route del 198.51.100.0/24 vrf vrf-h1
28 ip address del 2001:db8:1::2/64 dev $h1
29 ip address del 192.0.2.2/24 dev $h1
31 ip link set dev $h1 down
38 ip link set dev $h2 master vrf-h2
40 ip link set dev vrf-h2 up
41 ip link set dev $h2 up
43 ip address add 198.51.100.2/24 dev $h2
44 ip address add 2001:db8:2::2/64 dev $h2
46 ip route add 192.0.2.0/24 vrf vrf-h2 nexthop via 198.51.100.1
47 ip route add 2001:db8:1::/64 vrf vrf-h2 nexthop via 2001:db8:2::1
52 ip route del 2001:db8:1::/64 vrf vrf-h2
53 ip route del 192.0.2.0/24 vrf vrf-h2
55 ip address del 2001:db8:2::2/64 dev $h2
56 ip address del 198.51.100.2/24 dev $h2
58 ip link set dev $h2 down
65 ip link set dev $rp11 master vrf-r1
66 ip link set dev $rp12 master vrf-r1
67 ip link set dev $rp13 master vrf-r1
69 ip link set dev vrf-r1 up
70 ip link set dev $rp11 up
71 ip link set dev $rp12 up
72 ip link set dev $rp13 up
74 ip address add 192.0.2.1/24 dev $rp11
75 ip address add 2001:db8:1::1/64 dev $rp11
77 ip address add 169.254.2.12/24 dev $rp12
78 ip address add fe80:2::12/64 dev $rp12
80 ip address add 169.254.3.13/24 dev $rp13
81 ip address add fe80:3::13/64 dev $rp13
86 ip route del 2001:db8:2::/64 vrf vrf-r1
87 ip route del 198.51.100.0/24 vrf vrf-r1
89 ip address del fe80:3::13/64 dev $rp13
90 ip address del 169.254.3.13/24 dev $rp13
92 ip address del fe80:2::12/64 dev $rp12
93 ip address del 169.254.2.12/24 dev $rp12
95 ip address del 2001:db8:1::1/64 dev $rp11
96 ip address del 192.0.2.1/24 dev $rp11
100 ip nexthop del id 102
101 ip nexthop del id 106
102 ip nexthop del id 104
103 ip nexthop del id 105
105 ip link set dev $rp13 down
106 ip link set dev $rp12 down
107 ip link set dev $rp11 down
115 ip link set dev $rp21 master vrf-r2
116 ip link set dev $rp22 master vrf-r2
117 ip link set dev $rp23 master vrf-r2
119 ip link set dev vrf-r2 up
120 ip link set dev $rp21 up
121 ip link set dev $rp22 up
122 ip link set dev $rp23 up
124 ip address add 198.51.100.1/24 dev $rp21
125 ip address add 2001:db8:2::1/64 dev $rp21
127 ip address add 169.254.2.22/24 dev $rp22
128 ip address add fe80:2::22/64 dev $rp22
130 ip address add 169.254.3.23/24 dev $rp23
131 ip address add fe80:3::23/64 dev $rp23
136 ip route del 2001:db8:1::/64 vrf vrf-r2
137 ip route del 192.0.2.0/24 vrf vrf-r2
139 ip address del fe80:3::23/64 dev $rp23
140 ip address del 169.254.3.23/24 dev $rp23
142 ip address del fe80:2::22/64 dev $rp22
143 ip address del 169.254.2.22/24 dev $rp22
145 ip address del 2001:db8:2::1/64 dev $rp21
146 ip address del 198.51.100.1/24 dev $rp21
148 ip nexthop del id 201
149 ip nexthop del id 202
150 ip nexthop del id 204
151 ip nexthop del id 205
153 ip link set dev $rp23 down
154 ip link set dev $rp22 down
155 ip link set dev $rp21 down
162 ip nexthop add id 101 via 169.254.2.22 dev $rp12
163 ip nexthop add id 102 via 169.254.3.23 dev $rp13
164 ip nexthop add id 103 group 101/102
165 ip route add 198.51.100.0/24 vrf vrf-r1 nhid 103
167 ip nexthop add id 104 via fe80:2::22 dev $rp12
168 ip nexthop add id 105 via fe80:3::23 dev $rp13
169 ip nexthop add id 106 group 104/105
170 ip route add 2001:db8:2::/64 vrf vrf-r1 nhid 106
172 ip nexthop add id 201 via 169.254.2.12 dev $rp22
173 ip nexthop add id 202 via 169.254.3.13 dev $rp23
174 ip nexthop add id 203 group 201/202
175 ip route add 192.0.2.0/24 vrf vrf-r2 nhid 203
177 ip nexthop add id 204 via fe80:2::12 dev $rp22
178 ip nexthop add id 205 via fe80:3::13 dev $rp23
179 ip nexthop add id 206 group 204/205
180 ip route add 2001:db8:1::/64 vrf vrf-r2 nhid 206
188 local t0_rp12 t0_rp13 t1_rp12 t1_rp13
189 local packets_rp12 packets_rp13
191 # Transmit multiple flows from h1 to h2 and make sure they are
192 # distributed between both multipath links (rp12 and rp13)
193 # according to the configured weights.
194 sysctl_set net.ipv4.fib_multipath_hash_policy 1
195 ip nexthop replace id 103 group 101,$weight_rp12/102,$weight_rp13
197 t0_rp12=$(link_stats_tx_packets_get $rp12)
198 t0_rp13=$(link_stats_tx_packets_get $rp13)
200 ip vrf exec vrf-h1 $MZ -q -p 64 -A 192.0.2.2 -B 198.51.100.2 \
201 -d 1msec -t udp "sp=1024,dp=0-32768"
203 t1_rp12=$(link_stats_tx_packets_get $rp12)
204 t1_rp13=$(link_stats_tx_packets_get $rp13)
206 let "packets_rp12 = $t1_rp12 - $t0_rp12"
207 let "packets_rp13 = $t1_rp13 - $t0_rp13"
208 multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
211 ip nexthop replace id 103 group 101/102
212 sysctl_restore net.ipv4.fib_multipath_hash_policy
220 local t0_rp12 t0_rp13 t1_rp12 t1_rp13
221 local packets_rp12 packets_rp13
223 # Transmit multiple flows from h1 to h2 and make sure they are
224 # distributed between both multipath links (rp12 and rp13)
225 # according to the configured weights.
226 sysctl_set net.ipv6.fib_multipath_hash_policy 1
228 ip nexthop replace id 106 group 104,$weight_rp12/105,$weight_rp13
230 t0_rp12=$(link_stats_tx_packets_get $rp12)
231 t0_rp13=$(link_stats_tx_packets_get $rp13)
233 $MZ $h1 -6 -q -p 64 -A 2001:db8:1::2 -B 2001:db8:2::2 \
234 -d 1msec -t udp "sp=1024,dp=0-32768"
236 t1_rp12=$(link_stats_tx_packets_get $rp12)
237 t1_rp13=$(link_stats_tx_packets_get $rp13)
239 let "packets_rp12 = $t1_rp12 - $t0_rp12"
240 let "packets_rp13 = $t1_rp13 - $t0_rp13"
241 multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
243 ip nexthop replace id 106 group 104/105
245 sysctl_restore net.ipv6.fib_multipath_hash_policy
253 local t0_rp12 t0_rp13 t1_rp12 t1_rp13
254 local packets_rp12 packets_rp13
256 ip nexthop replace id 106 group 104,$weight_rp12/105,$weight_rp13
258 t0_rp12=$(link_stats_tx_packets_get $rp12)
259 t0_rp13=$(link_stats_tx_packets_get $rp13)
261 # Generate 16384 echo requests, each with a random flow label.
262 for _ in $(seq 1 16384); do
263 ip vrf exec vrf-h1 $PING6 2001:db8:2::2 -F 0 -c 1 -q >/dev/null 2>&1
266 t1_rp12=$(link_stats_tx_packets_get $rp12)
267 t1_rp13=$(link_stats_tx_packets_get $rp13)
269 let "packets_rp12 = $t1_rp12 - $t0_rp12"
270 let "packets_rp13 = $t1_rp13 - $t0_rp13"
271 multipath_eval "$desc" $weight_rp12 $weight_rp13 $packets_rp12 $packets_rp13
273 ip nexthop replace id 106 group 104/105
278 log_info "Running IPv4 multipath tests"
279 multipath4_test "ECMP" 1 1
280 multipath4_test "Weighted MP 2:1" 2 1
281 multipath4_test "Weighted MP 11:45" 11 45
283 log_info "Running IPv6 multipath tests"
284 multipath6_test "ECMP" 1 1
285 multipath6_test "Weighted MP 2:1" 2 1
286 multipath6_test "Weighted MP 11:45" 11 45
288 log_info "Running IPv6 L4 hash multipath tests"
289 multipath6_l4_test "ECMP" 1 1
290 multipath6_l4_test "Weighted MP 2:1" 2 1
291 multipath6_l4_test "Weighted MP 11:45" 11 45
337 ping_test $h1 198.51.100.2
342 ping6_test $h1 2001:db8:2::2
345 ip nexthop ls >/dev/null 2>&1
346 if [ $? -ne 0 ]; then
347 echo "Nexthop objects not supported; skipping tests"