1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0
3
4 ALL_TESTS="match_cfm_opcode match_cfm_level match_cfm_level_and_opcode"
5 NUM_NETIFS=2
6 source tc_common.sh
7 source lib.sh
8
9 h1_create()
10 {
11 simple_if_init $h1
12 }
13
14 h1_destroy()
15 {
16 simple_if_fini $h1
17 }
18
19 h2_create()
20 {
21 simple_if_init $h2
22 tc qdisc add dev $h2 clsact
23 }
24
25 h2_destroy()
26 {
27 tc qdisc del dev $h2 clsact
28 simple_if_fini $h2
29 }
30
31 u8_to_hex()
32 {
33 local u8=$1; shift
34
35 printf "%02x" $u8
36 }
37
38 generate_cfm_hdr()
39 {
40 local mdl=$1; shift
41 local op=$1; shift
42 local flags=$1; shift
43 local tlv_offset=$1; shift
44
45 local cfm_hdr=$(:
46 )"$(u8_to_hex $((mdl << 5))):"$( : MD level and Version
47 )"$(u8_to_hex $op):"$( : OpCode
48 )"$(u8_to_hex $flags):"$( : Flags
49 )"$(u8_to_hex $tlv_offset)"$( : TLV offset
50 )
51
52 echo $cfm_hdr
53 }
54
55 match_cfm_opcode()
56 {
57 local ethtype="89 02"; readonly ethtype
58 RET=0
59
60 tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \
61 flower cfm op 47 action drop
62 tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \
63 flower cfm op 43 action drop
64
65 pkt="$ethtype $(generate_cfm_hdr 7 47 0 32)"
66 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
67 pkt="$ethtype $(generate_cfm_hdr 6 5 0 4)"
68 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
69
70 tc_check_packets "dev $h2 ingress" 101 1
71 check_err $? "Did not match on correct opcode"
72
73 tc_check_packets "dev $h2 ingress" 102 0
74 check_err $? "Matched on the wrong opcode"
75
76 pkt="$ethtype $(generate_cfm_hdr 0 43 0 12)"
77 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
78
79 tc_check_packets "dev $h2 ingress" 101 1
80 check_err $? "Matched on the wrong opcode"
81
82 tc_check_packets "dev $h2 ingress" 102 1
83 check_err $? "Did not match on correct opcode"
84
85 tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower
86 tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower
87
88 log_test "CFM opcode match test"
89 }
90
91 match_cfm_level()
92 {
93 local ethtype="89 02"; readonly ethtype
94 RET=0
95
96 tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \
97 flower cfm mdl 5 action drop
98 tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \
99 flower cfm mdl 3 action drop
100 tc filter add dev $h2 ingress protocol cfm pref 1 handle 103 \
101 flower cfm mdl 0 action drop
102
103 pkt="$ethtype $(generate_cfm_hdr 5 42 0 12)"
104 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
105 pkt="$ethtype $(generate_cfm_hdr 6 1 0 70)"
106 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
107 pkt="$ethtype $(generate_cfm_hdr 0 1 0 70)"
108 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
109
110 tc_check_packets "dev $h2 ingress" 101 1
111 check_err $? "Did not match on correct level"
112
113 tc_check_packets "dev $h2 ingress" 102 0
114 check_err $? "Matched on the wrong level"
115
116 tc_check_packets "dev $h2 ingress" 103 1
117 check_err $? "Did not match on correct level"
118
119 pkt="$ethtype $(generate_cfm_hdr 3 0 0 4)"
120 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
121
122 tc_check_packets "dev $h2 ingress" 101 1
123 check_err $? "Matched on the wrong level"
124
125 tc_check_packets "dev $h2 ingress" 102 1
126 check_err $? "Did not match on correct level"
127
128 tc_check_packets "dev $h2 ingress" 103 1
129 check_err $? "Matched on the wrong level"
130
131 tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower
132 tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower
133 tc filter del dev $h2 ingress protocol cfm pref 1 handle 103 flower
134
135 log_test "CFM level match test"
136 }
137
138 match_cfm_level_and_opcode()
139 {
140 local ethtype="89 02"; readonly ethtype
141 RET=0
142
143 tc filter add dev $h2 ingress protocol cfm pref 1 handle 101 \
144 flower cfm mdl 5 op 41 action drop
145 tc filter add dev $h2 ingress protocol cfm pref 1 handle 102 \
146 flower cfm mdl 7 op 42 action drop
147
148 pkt="$ethtype $(generate_cfm_hdr 5 41 0 4)"
149 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
150 pkt="$ethtype $(generate_cfm_hdr 7 3 0 4)"
151 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
152 pkt="$ethtype $(generate_cfm_hdr 3 42 0 12)"
153 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
154
155 tc_check_packets "dev $h2 ingress" 101 1
156 check_err $? "Did not match on correct level and opcode"
157
158 tc_check_packets "dev $h2 ingress" 102 0
159 check_err $? "Matched on the wrong level and opcode"
160
161 pkt="$ethtype $(generate_cfm_hdr 7 42 0 12)"
162 $MZ $h1 -c 1 -p 64 -a $h1mac -b $h2mac "$pkt" -q
163
164 tc_check_packets "dev $h2 ingress" 101 1
165 check_err $? "Matched on the wrong level and opcode"
166
167 tc_check_packets "dev $h2 ingress" 102 1
168 check_err $? "Did not match on correct level and opcode"
169
170 tc filter del dev $h2 ingress protocol cfm pref 1 handle 101 flower
171 tc filter del dev $h2 ingress protocol cfm pref 1 handle 102 flower
172
173 log_test "CFM opcode and level match test"
174 }
175
176 setup_prepare()
177 {
178 h1=${NETIFS[p1]}
179 h2=${NETIFS[p2]}
180 h1mac=$(mac_get $h1)
181 h2mac=$(mac_get $h2)
182
183 vrf_prepare
184
185 h1_create
186 h2_create
187 }
188
189 cleanup()
190 {
191 pre_cleanup
192
193 h2_destroy
194 h1_destroy
195
196 vrf_cleanup
197 }
198
199 trap cleanup EXIT
200
201 setup_prepare
202 setup_wait
203
204 tests_run
205
206 exit $EXIT_STATUS
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