tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4ROUTER_NUM_NETIFS=4
5: ${TIMEOUT:=20000} # ms
6
7router_h1_create()
8{
9 simple_if_init $h1 192.0.1.1/24
10}
11
12router_h1_destroy()
13{
14 simple_if_fini $h1 192.0.1.1/24
15}
16
17router_h2_create()
18{
19 simple_if_init $h2 192.0.2.1/24
20 tc qdisc add dev $h2 handle ffff: ingress
21}
22
23router_h2_destroy()
24{
25 tc qdisc del dev $h2 handle ffff: ingress
26 simple_if_fini $h2 192.0.2.1/24
27}
28
29router_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
38router_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 $rp1 down
45}
46
47router_setup_prepare()
48{
49 h1=${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
66wait_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
77router_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
104router_routes_destroy()
105{
106 if [[ -v ROUTE_FILE ]]; then
107 rm -f $ROUTE_FILE
108 fi
109}
110
111router_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
131router_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}