1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3
4 ROUTER_NUM_NETIFS=4
5 : ${TIMEOUT:=20000} # ms
6
7 router_h1_create()
8 {
9 simple_if_init $h1 192.0.1.1/24
10 }
11
12 router_h1_destroy()
13 {
14 simple_if_fini $h1 192.0.1.1/24
15 }
16
17 router_h2_create()
18 {
19 simple_if_init $h2 192.0.2.1/24
20 tc qdisc add dev $h2 handle ffff: ingress
21 }
22
23 router_h2_destroy()
24 {
25 tc qdisc del dev $h2 handle ffff: ingress
26 simple_if_fini $h2 192.0.2.1/24
27 }
28
29 router_create()
30 {
31 ip link set dev $rp1 up
32 ip link set dev $rp2 up
33
34 ip address add 192.0.1.2/24 dev $rp1
35 ip address add 192.0.2.2/24 dev $rp2
36 }
37
38 router_destroy()
39 {
40 ip address del 192.0.2.2/24 dev $rp2
41 ip address del 192.0.1.2/24 dev $rp1
42
43 ip link set dev $rp2 down
44 ip link set dev $rp1 down
45 }
46
47 router_setup_prepare()
48 {
49 h1=${NETIFS[p1]}
50 rp1=${NETIFS[p2]}
51
52 rp2=${NETIFS[p3]}
53 h2=${NETIFS[p4]}
54
55 h1mac=$(mac_get $h1)
56 rp1mac=$(mac_get $rp1)
57
58 vrf_prepare
59
60 router_h1_create
61 router_h2_create
62
63 router_create
64 }
65
66 wait_for_routes()
67 {
68 local t0=$1; shift
69 local route_count=$1; shift
70
71 local t1=$(ip route | grep 'offload' | grep -v 'offload_failed' | wc -l)
72 local delta=$((t1 - t0))
73 echo $delta
74 [[ $delta -ge $route_count ]]
75 }
76
77 router_routes_create()
78 {
79 local route_count=$1
80 local count=0
81
82 ROUTE_FILE="$(mktemp)"
83
84 for i in {0..255}
85 do
86 for j in {0..255}
87 do
88 for k in {0..255}
89 do
90 if [[ $count -eq $route_count ]]; then
91 break 3
92 fi
93
94 echo route add 193.${i}.${j}.${k}/32 dev $rp2 \
95 >> $ROUTE_FILE
96 ((count++))
97 done
98 done
99 done
100
101 ip -b $ROUTE_FILE &> /dev/null
102 }
103
104 router_routes_destroy()
105 {
106 if [[ -v ROUTE_FILE ]]; then
107 rm -f $ROUTE_FILE
108 fi
109 }
110
111 router_test()
112 {
113 local route_count=$1
114 local should_fail=$2
115 local delta
116
117 RET=0
118
119 local t0=$(ip route | grep -o 'offload' | wc -l)
120 router_routes_create $route_count
121 delta=$(busywait "$TIMEOUT" wait_for_routes $t0 $route_count)
122
123 check_err_fail $should_fail $? "Offload routes: Expected $route_count, got $delta."
124 if [[ $RET -ne 0 ]] || [[ $should_fail -eq 1 ]]; then
125 return
126 fi
127
128 router_routes_destroy
129 }
130
131 router_cleanup()
132 {
133 pre_cleanup
134
135 router_routes_destroy
136 router_destroy
137
138 router_h2_destroy
139 router_h1_destroy
140
141 vrf_cleanup
142 }
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.