summaryrefslogtreecommitdiff
path: root/tools/testing/selftests/drivers/net/mlxsw/router_scale.sh
blob: d231649b4f01e405db11741be5dcde9e699619d9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

ROUTER_NUM_NETIFS=4

router_h1_create()
{
	simple_if_init $h1 192.0.1.1/24
	ip route add 193.0.0.0/8 via 192.0.1.2 dev $h1
}

router_h1_destroy()
{
	ip route del 193.0.0.0/8 via 192.0.1.2 dev $h1
	simple_if_fini $h1 192.0.1.1/24
}

router_h2_create()
{
	simple_if_init $h2 192.0.2.1/24
	tc qdisc add dev $h2 handle ffff: ingress
}

router_h2_destroy()
{
	tc qdisc del dev $h2 handle ffff: ingress
	simple_if_fini $h2 192.0.2.1/24
}

router_create()
{
	ip link set dev $rp1 up
	ip link set dev $rp2 up

	ip address add 192.0.1.2/24 dev $rp1
	ip address add 192.0.2.2/24 dev $rp2
}

router_destroy()
{
	ip address del 192.0.2.2/24 dev $rp2
	ip address del 192.0.1.2/24 dev $rp1

	ip link set dev $rp2 down
	ip link set dev $rp1 down
}

router_setup_prepare()
{
	h1=${NETIFS[p1]}
	rp1=${NETIFS[p2]}

	rp2=${NETIFS[p3]}
	h2=${NETIFS[p4]}

	h1mac=$(mac_get $h1)
	rp1mac=$(mac_get $rp1)

	vrf_prepare

	router_h1_create
	router_h2_create

	router_create
}

router_offload_validate()
{
	local route_count=$1
	local offloaded_count

	offloaded_count=$(ip route | grep -o 'offload' | wc -l)
	[[ $offloaded_count -ge $route_count ]]
}

router_routes_create()
{
	local route_count=$1
	local count=0

	ROUTE_FILE="$(mktemp)"

	for i in {0..255}
	do
		for j in {0..255}
		do
			for k in {0..255}
			do
				if [[ $count -eq $route_count ]]; then
					break 3
				fi

				echo route add 193.${i}.${j}.${k}/32 via \
				       192.0.2.1 dev $rp2  >> $ROUTE_FILE
				((count++))
			done
		done
	done

	ip -b $ROUTE_FILE &> /dev/null
}

router_routes_destroy()
{
	if [[ -v ROUTE_FILE ]]; then
		rm -f $ROUTE_FILE
	fi
}

router_test()
{
	local route_count=$1
	local should_fail=$2
	local count=0

	RET=0

	router_routes_create $route_count

	router_offload_validate $route_count
	check_err_fail $should_fail $? "Offload of $route_count routes"
	if [[ $RET -ne 0 ]] || [[ $should_fail -eq 1 ]]; then
		return
	fi

	tc filter add dev $h2 ingress protocol ip pref 1 flower \
		skip_sw dst_ip 193.0.0.0/8 action drop

	for i in {0..255}
	do
		for j in {0..255}
		do
			for k in {0..255}
			do
				if [[ $count -eq $route_count ]]; then
					break 3
				fi

				$MZ $h1 -c 1 -p 64 -a $h1mac -b $rp1mac \
					-A 192.0.1.1 -B 193.${i}.${j}.${k} \
					-t ip -q
				((count++))
			done
		done
	done

	tc_check_packets "dev $h2 ingress" 1 $route_count
	check_err $? "Offload mismatch"

	tc filter del dev $h2 ingress protocol ip pref 1 flower \
		skip_sw dst_ip 193.0.0.0/8 action drop

	router_routes_destroy
}

router_cleanup()
{
	pre_cleanup

	router_routes_destroy
	router_destroy

	router_h2_destroy
	router_h1_destroy

	vrf_cleanup
}