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e6991384 VO |
1 | #!/bin/bash |
2 | # SPDX-License-Identifier: GPL-2.0 | |
3 | ||
4 | ALL_TESTS=" | |
5 | manual_with_verification_h1_to_h2 | |
6 | manual_with_verification_h2_to_h1 | |
7 | manual_without_verification_h1_to_h2 | |
8 | manual_without_verification_h2_to_h1 | |
9 | manual_failed_verification_h1_to_h2 | |
10 | manual_failed_verification_h2_to_h1 | |
11 | lldp | |
12 | " | |
13 | ||
14 | NUM_NETIFS=2 | |
15 | REQUIRE_MZ=no | |
16 | PREEMPTIBLE_PRIO=0 | |
17 | source lib.sh | |
18 | ||
19 | traffic_test() | |
20 | { | |
21 | local if=$1; shift | |
22 | local src=$1; shift | |
23 | local num_pkts=10000 | |
24 | local before= | |
25 | local after= | |
26 | local delta= | |
27 | ||
28 | before=$(ethtool_std_stats_get $if "eth-mac" "FramesTransmittedOK" $src) | |
29 | ||
30 | $MZ $if -q -c $num_pkts -p 64 -b bcast -t ip -R $PREEMPTIBLE_PRIO | |
31 | ||
32 | after=$(ethtool_std_stats_get $if "eth-mac" "FramesTransmittedOK" $src) | |
33 | ||
34 | delta=$((after - before)) | |
35 | ||
36 | # Allow an extra 1% tolerance for random packets sent by the stack | |
37 | [ $delta -ge $num_pkts ] && [ $delta -le $((num_pkts + 100)) ] | |
38 | } | |
39 | ||
40 | manual_with_verification() | |
41 | { | |
42 | local tx=$1; shift | |
43 | local rx=$1; shift | |
44 | ||
45 | RET=0 | |
46 | ||
47 | # It isn't completely clear from IEEE 802.3-2018 Figure 99-5: Transmit | |
48 | # Processing state diagram whether the "send_r" variable (send response | |
49 | # to verification frame) should be taken into consideration while the | |
50 | # MAC Merge TX direction is disabled. That being said, at least the | |
51 | # NXP ENETC does not, and requires tx-enabled on in order to respond to | |
52 | # the link partner's verification frames. | |
53 | ethtool --set-mm $rx tx-enabled on | |
54 | ethtool --set-mm $tx verify-enabled on tx-enabled on | |
55 | ||
56 | # Wait for verification to finish | |
57 | sleep 1 | |
58 | ||
59 | ethtool --json --show-mm $tx | jq -r '.[]."verify-status"' | \ | |
60 | grep -q 'SUCCEEDED' | |
61 | check_err "$?" "Verification did not succeed" | |
62 | ||
63 | ethtool --json --show-mm $tx | jq -r '.[]."tx-active"' | grep -q 'true' | |
64 | check_err "$?" "pMAC TX is not active" | |
65 | ||
66 | traffic_test $tx "pmac" | |
67 | check_err "$?" "Traffic did not get sent through $tx's pMAC" | |
68 | ||
69 | ethtool --set-mm $tx verify-enabled off tx-enabled off | |
70 | ethtool --set-mm $rx tx-enabled off | |
71 | ||
72 | log_test "Manual configuration with verification: $tx to $rx" | |
73 | } | |
74 | ||
75 | manual_with_verification_h1_to_h2() | |
76 | { | |
77 | manual_with_verification $h1 $h2 | |
78 | } | |
79 | ||
80 | manual_with_verification_h2_to_h1() | |
81 | { | |
82 | manual_with_verification $h2 $h1 | |
83 | } | |
84 | ||
85 | manual_without_verification() | |
86 | { | |
87 | local tx=$1; shift | |
88 | local rx=$1; shift | |
89 | ||
90 | RET=0 | |
91 | ||
92 | ethtool --set-mm $tx verify-enabled off tx-enabled on | |
93 | ||
94 | ethtool --json --show-mm $tx | jq -r '.[]."verify-status"' | \ | |
95 | grep -q 'DISABLED' | |
96 | check_err "$?" "Verification is not disabled" | |
97 | ||
98 | ethtool --json --show-mm $tx | jq -r '.[]."tx-active"' | grep -q 'true' | |
99 | check_err "$?" "pMAC TX is not active" | |
100 | ||
101 | traffic_test $tx "pmac" | |
102 | check_err "$?" "Traffic did not get sent through $tx's pMAC" | |
103 | ||
104 | ethtool --set-mm $tx verify-enabled off tx-enabled off | |
105 | ||
106 | log_test "Manual configuration without verification: $tx to $rx" | |
107 | } | |
108 | ||
109 | manual_without_verification_h1_to_h2() | |
110 | { | |
111 | manual_without_verification $h1 $h2 | |
112 | } | |
113 | ||
114 | manual_without_verification_h2_to_h1() | |
115 | { | |
116 | manual_without_verification $h2 $h1 | |
117 | } | |
118 | ||
119 | manual_failed_verification() | |
120 | { | |
121 | local tx=$1; shift | |
122 | local rx=$1; shift | |
123 | ||
124 | RET=0 | |
125 | ||
126 | ethtool --set-mm $rx pmac-enabled off | |
127 | ethtool --set-mm $tx verify-enabled on tx-enabled on | |
128 | ||
129 | # Wait for verification to time out | |
130 | sleep 1 | |
131 | ||
132 | ethtool --json --show-mm $tx | jq -r '.[]."verify-status"' | \ | |
133 | grep -q 'SUCCEEDED' | |
134 | check_fail "$?" "Verification succeeded when it shouldn't have" | |
135 | ||
136 | ethtool --json --show-mm $tx | jq -r '.[]."tx-active"' | grep -q 'true' | |
137 | check_fail "$?" "pMAC TX is active when it shouldn't have" | |
138 | ||
139 | traffic_test $tx "emac" | |
140 | check_err "$?" "Traffic did not get sent through $tx's eMAC" | |
141 | ||
142 | ethtool --set-mm $tx verify-enabled off tx-enabled off | |
143 | ethtool --set-mm $rx pmac-enabled on | |
144 | ||
145 | log_test "Manual configuration with failed verification: $tx to $rx" | |
146 | } | |
147 | ||
148 | manual_failed_verification_h1_to_h2() | |
149 | { | |
150 | manual_failed_verification $h1 $h2 | |
151 | } | |
152 | ||
153 | manual_failed_verification_h2_to_h1() | |
154 | { | |
155 | manual_failed_verification $h2 $h1 | |
156 | } | |
157 | ||
158 | lldp_change_add_frag_size() | |
159 | { | |
160 | local add_frag_size=$1 | |
161 | ||
162 | lldptool -T -i $h1 -V addEthCaps addFragSize=$add_frag_size >/dev/null | |
163 | # Wait for TLVs to be received | |
164 | sleep 2 | |
165 | lldptool -i $h2 -t -n -V addEthCaps | \ | |
166 | grep -q "Additional fragment size: $add_frag_size" | |
167 | } | |
168 | ||
169 | lldp() | |
170 | { | |
171 | RET=0 | |
172 | ||
173 | systemctl start lldpad | |
174 | ||
175 | # Configure the interfaces to receive and transmit LLDPDUs | |
176 | lldptool -L -i $h1 adminStatus=rxtx >/dev/null | |
177 | lldptool -L -i $h2 adminStatus=rxtx >/dev/null | |
178 | ||
179 | # Enable the transmission of Additional Ethernet Capabilities TLV | |
180 | lldptool -T -i $h1 -V addEthCaps enableTx=yes >/dev/null | |
181 | lldptool -T -i $h2 -V addEthCaps enableTx=yes >/dev/null | |
182 | ||
183 | # Wait for TLVs to be received | |
184 | sleep 2 | |
185 | ||
186 | lldptool -i $h1 -t -n -V addEthCaps | \ | |
187 | grep -q "Preemption capability active" | |
188 | check_err "$?" "$h1 pMAC TX is not active" | |
189 | ||
190 | lldptool -i $h2 -t -n -V addEthCaps | \ | |
191 | grep -q "Preemption capability active" | |
192 | check_err "$?" "$h2 pMAC TX is not active" | |
193 | ||
194 | lldp_change_add_frag_size 3 | |
195 | check_err "$?" "addFragSize 3" | |
196 | ||
197 | lldp_change_add_frag_size 2 | |
198 | check_err "$?" "addFragSize 2" | |
199 | ||
200 | lldp_change_add_frag_size 1 | |
201 | check_err "$?" "addFragSize 1" | |
202 | ||
203 | lldp_change_add_frag_size 0 | |
204 | check_err "$?" "addFragSize 0" | |
205 | ||
206 | traffic_test $h1 "pmac" | |
207 | check_err "$?" "Traffic did not get sent through $h1's pMAC" | |
208 | ||
209 | traffic_test $h2 "pmac" | |
210 | check_err "$?" "Traffic did not get sent through $h2's pMAC" | |
211 | ||
212 | systemctl stop lldpad | |
213 | ||
214 | log_test "LLDP" | |
215 | } | |
216 | ||
217 | h1_create() | |
218 | { | |
219 | ip link set dev $h1 up | |
220 | ||
221 | tc qdisc add dev $h1 root mqprio num_tc 4 map 0 1 2 3 \ | |
222 | queues 1@0 1@1 1@2 1@3 \ | |
223 | fp P E E E \ | |
224 | hw 1 | |
225 | ||
226 | ethtool --set-mm $h1 pmac-enabled on tx-enabled off verify-enabled off | |
227 | } | |
228 | ||
229 | h2_create() | |
230 | { | |
231 | ip link set dev $h2 up | |
232 | ||
233 | ethtool --set-mm $h2 pmac-enabled on tx-enabled off verify-enabled off | |
234 | ||
235 | tc qdisc add dev $h2 root mqprio num_tc 4 map 0 1 2 3 \ | |
236 | queues 1@0 1@1 1@2 1@3 \ | |
237 | fp P E E E \ | |
238 | hw 1 | |
239 | } | |
240 | ||
241 | h1_destroy() | |
242 | { | |
243 | ethtool --set-mm $h1 pmac-enabled off tx-enabled off verify-enabled off | |
244 | ||
245 | tc qdisc del dev $h1 root | |
246 | ||
247 | ip link set dev $h1 down | |
248 | } | |
249 | ||
250 | h2_destroy() | |
251 | { | |
252 | tc qdisc del dev $h2 root | |
253 | ||
254 | ethtool --set-mm $h2 pmac-enabled off tx-enabled off verify-enabled off | |
255 | ||
256 | ip link set dev $h2 down | |
257 | } | |
258 | ||
259 | setup_prepare() | |
260 | { | |
e6991384 VO |
261 | h1=${NETIFS[p1]} |
262 | h2=${NETIFS[p2]} | |
263 | ||
264 | h1_create | |
265 | h2_create | |
266 | } | |
267 | ||
268 | cleanup() | |
269 | { | |
270 | pre_cleanup | |
271 | ||
272 | h2_destroy | |
273 | h1_destroy | |
274 | } | |
275 | ||
23fb886a IS |
276 | check_ethtool_mm_support |
277 | check_tc_fp_support | |
278 | require_command lldptool | |
279 | bail_on_lldpad "autoconfigure the MAC Merge layer" "configure it manually" | |
280 | ||
281 | for netif in ${NETIFS[@]}; do | |
282 | ethtool --show-mm $netif 2>&1 &> /dev/null | |
283 | if [[ $? -ne 0 ]]; then | |
284 | echo "SKIP: $netif does not support MAC Merge" | |
285 | exit $ksft_skip | |
286 | fi | |
287 | done | |
288 | ||
e6991384 VO |
289 | trap cleanup EXIT |
290 | ||
291 | setup_prepare | |
292 | setup_wait | |
293 | ||
294 | tests_run | |
295 | ||
296 | exit $EXIT_STATUS |