1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3 #
4 # Test that filters that match on the same port range, but with different
5 # combination of IPv4/IPv6 and TCP/UDP all use the same port range register by
6 # observing port range registers' occupancy via devlink-resource.
7
8 lib_dir=$(dirname $0)/../../../net/forwarding
9
10 ALL_TESTS="
11 port_range_occ_test
12 "
13 NUM_NETIFS=2
14 source $lib_dir/lib.sh
15 source $lib_dir/devlink_lib.sh
16
17 h1_create()
18 {
19 simple_if_init $h1
20 }
21
22 h1_destroy()
23 {
24 simple_if_fini $h1
25 }
26
27 switch_create()
28 {
29 simple_if_init $swp1
30 tc qdisc add dev $swp1 clsact
31 }
32
33 switch_destroy()
34 {
35 tc qdisc del dev $swp1 clsact
36 simple_if_fini $swp1
37 }
38
39 setup_prepare()
40 {
41 h1=${NETIFS[p1]}
42 swp1=${NETIFS[p2]}
43
44 vrf_prepare
45
46 h1_create
47 switch_create
48 }
49
50 cleanup()
51 {
52 pre_cleanup
53
54 switch_destroy
55 h1_destroy
56
57 vrf_cleanup
58 }
59
60 port_range_occ_get()
61 {
62 devlink_resource_occ_get port_range_registers
63 }
64
65 port_range_occ_test()
66 {
67 RET=0
68
69 local occ=$(port_range_occ_get)
70
71 # Two port range registers are used, for source and destination port
72 # ranges.
73 tc filter add dev $swp1 ingress pref 1 handle 101 proto ip \
74 flower skip_sw ip_proto udp src_port 1-100 dst_port 1-100 \
75 action pass
76 (( occ + 2 == $(port_range_occ_get) ))
77 check_err $? "Got occupancy $(port_range_occ_get), expected $((occ + 2))"
78
79 tc filter add dev $swp1 ingress pref 1 handle 102 proto ip \
80 flower skip_sw ip_proto tcp src_port 1-100 dst_port 1-100 \
81 action pass
82 tc filter add dev $swp1 ingress pref 2 handle 103 proto ipv6 \
83 flower skip_sw ip_proto udp src_port 1-100 dst_port 1-100 \
84 action pass
85 tc filter add dev $swp1 ingress pref 2 handle 104 proto ipv6 \
86 flower skip_sw ip_proto tcp src_port 1-100 dst_port 1-100 \
87 action pass
88 (( occ + 2 == $(port_range_occ_get) ))
89 check_err $? "Got occupancy $(port_range_occ_get), expected $((occ + 2))"
90
91 tc filter del dev $swp1 ingress pref 2 handle 104 flower
92 tc filter del dev $swp1 ingress pref 2 handle 103 flower
93 tc filter del dev $swp1 ingress pref 1 handle 102 flower
94 (( occ + 2 == $(port_range_occ_get) ))
95 check_err $? "Got occupancy $(port_range_occ_get), expected $((occ + 2))"
96
97 tc filter del dev $swp1 ingress pref 1 handle 101 flower
98 (( occ == $(port_range_occ_get) ))
99 check_err $? "Got occupancy $(port_range_occ_get), expected $occ"
100
101 log_test "port range occupancy"
102 }
103
104 trap cleanup EXIT
105
106 setup_prepare
107 setup_wait
108
109 tests_run
110
111 exit $EXIT_STATUS
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