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1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0
3
4# Uncomment to see generated bytecode
5#VERBOSE=verbose
6
7NS1=lwt_ns1
8NS2=lwt_ns2
9VETH0=tst_lwt1a
10VETH1=tst_lwt1b
11VETH2=tst_lwt2a
12VETH3=tst_lwt2b
13IPVETH0="192.168.254.1"
14IPVETH1="192.168.254.2"
15IPVETH1b="192.168.254.3"
16
17IPVETH2="192.168.111.1"
18IPVETH3="192.168.111.2"
19
20IP_LOCAL="192.168.99.1"
21
22TRACE_ROOT=/sys/kernel/debug/tracing
23
24function lookup_mac()
25{
26 set +x
27 if [ ! -z "$2" ]; then
28 MAC=$(ip netns exec $2 ip link show $1 | grep ether | awk '{print $2}')
29 else
30 MAC=$(ip link show $1 | grep ether | awk '{print $2}')
31 fi
32 MAC="${MAC//:/}"
33 echo "0x${MAC:10:2}${MAC:8:2}${MAC:6:2}${MAC:4:2}${MAC:2:2}${MAC:0:2}"
34 set -x
35}
36
37function cleanup {
38 set +ex
39 rm test_lwt_bpf.o 2> /dev/null
40 ip link del $VETH0 2> /dev/null
41 ip link del $VETH1 2> /dev/null
42 ip link del $VETH2 2> /dev/null
43 ip link del $VETH3 2> /dev/null
44 ip netns exec $NS1 killall netserver
45 ip netns delete $NS1 2> /dev/null
46 ip netns delete $NS2 2> /dev/null
47 set -ex
48}
49
50function setup_one_veth {
51 ip netns add $1
52 ip link add $2 type veth peer name $3
53 ip link set dev $2 up
54 ip addr add $4/24 dev $2
55 ip link set $3 netns $1
56 ip netns exec $1 ip link set dev $3 up
57 ip netns exec $1 ip addr add $5/24 dev $3
58
59 if [ "$6" ]; then
60 ip netns exec $1 ip addr add $6/32 dev $3
61 fi
62}
63
64function get_trace {
65 set +x
66 cat ${TRACE_ROOT}/trace | grep -v '^#'
67 set -x
68}
69
70function cleanup_routes {
71 ip route del ${IPVETH1}/32 dev $VETH0 2> /dev/null || true
72 ip route del table local local ${IP_LOCAL}/32 dev lo 2> /dev/null || true
73}
74
75function install_test {
76 cleanup_routes
77 cp /dev/null ${TRACE_ROOT}/trace
78
79 OPTS="encap bpf headroom 14 $1 obj test_lwt_bpf.o section $2 $VERBOSE"
80
81 if [ "$1" == "in" ]; then
82 ip route add table local local ${IP_LOCAL}/32 $OPTS dev lo
83 else
84 ip route add ${IPVETH1}/32 $OPTS dev $VETH0
85 fi
86}
87
88function remove_prog {
89 if [ "$1" == "in" ]; then
90 ip route del table local local ${IP_LOCAL}/32 dev lo
91 else
92 ip route del ${IPVETH1}/32 dev $VETH0
93 fi
94}
95
96function filter_trace {
97 # Add newline to allow starting EXPECT= variables on newline
98 NL=$'\n'
99 echo "${NL}$*" | sed -e 's/^.*: : //g'
100}
101
102function expect_fail {
103 set +x
104 echo "FAIL:"
105 echo "Expected: $1"
106 echo "Got: $2"
107 set -x
108 exit 1
109}
110
111function match_trace {
112 set +x
113 RET=0
114 TRACE=$1
115 EXPECT=$2
116 GOT="$(filter_trace "$TRACE")"
117
118 [ "$GOT" != "$EXPECT" ] && {
119 expect_fail "$EXPECT" "$GOT"
120 RET=1
121 }
122 set -x
123 return $RET
124}
125
126function test_start {
127 set +x
128 echo "----------------------------------------------------------------"
129 echo "Starting test: $*"
130 echo "----------------------------------------------------------------"
131 set -x
132}
133
134function failure {
135 get_trace
136 echo "FAIL: $*"
137 exit 1
138}
139
140function test_ctx_xmit {
141 test_start "test_ctx on lwt xmit"
142 install_test xmit test_ctx
143 ping -c 3 $IPVETH1 || {
144 failure "test_ctx xmit: packets are dropped"
145 }
146 match_trace "$(get_trace)" "
147len 84 hash 0 protocol 8
148cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
149len 84 hash 0 protocol 8
150cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
151len 84 hash 0 protocol 8
152cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX" || exit 1
153 remove_prog xmit
154}
155
156function test_ctx_out {
157 test_start "test_ctx on lwt out"
158 install_test out test_ctx
159 ping -c 3 $IPVETH1 || {
160 failure "test_ctx out: packets are dropped"
161 }
162 match_trace "$(get_trace)" "
163len 84 hash 0 protocol 0
164cb 1234 ingress_ifindex 0 ifindex 0
165len 84 hash 0 protocol 0
166cb 1234 ingress_ifindex 0 ifindex 0
167len 84 hash 0 protocol 0
168cb 1234 ingress_ifindex 0 ifindex 0" || exit 1
169 remove_prog out
170}
171
172function test_ctx_in {
173 test_start "test_ctx on lwt in"
174 install_test in test_ctx
175 ping -c 3 $IP_LOCAL || {
176 failure "test_ctx out: packets are dropped"
177 }
178 # We will both request & reply packets as the packets will
179 # be from $IP_LOCAL => $IP_LOCAL
180 match_trace "$(get_trace)" "
181len 84 hash 0 protocol 8
182cb 1234 ingress_ifindex 1 ifindex 1
183len 84 hash 0 protocol 8
184cb 1234 ingress_ifindex 1 ifindex 1
185len 84 hash 0 protocol 8
186cb 1234 ingress_ifindex 1 ifindex 1
187len 84 hash 0 protocol 8
188cb 1234 ingress_ifindex 1 ifindex 1
189len 84 hash 0 protocol 8
190cb 1234 ingress_ifindex 1 ifindex 1
191len 84 hash 0 protocol 8
192cb 1234 ingress_ifindex 1 ifindex 1" || exit 1
193 remove_prog in
194}
195
196function test_data {
197 test_start "test_data on lwt $1"
198 install_test $1 test_data
199 ping -c 3 $IPVETH1 || {
200 failure "test_data ${1}: packets are dropped"
201 }
202 match_trace "$(get_trace)" "
203src: 1fea8c0 dst: 2fea8c0
204src: 1fea8c0 dst: 2fea8c0
205src: 1fea8c0 dst: 2fea8c0" || exit 1
206 remove_prog $1
207}
208
209function test_data_in {
210 test_start "test_data on lwt in"
211 install_test in test_data
212 ping -c 3 $IP_LOCAL || {
213 failure "test_data in: packets are dropped"
214 }
215 # We will both request & reply packets as the packets will
216 # be from $IP_LOCAL => $IP_LOCAL
217 match_trace "$(get_trace)" "
218src: 163a8c0 dst: 163a8c0
219src: 163a8c0 dst: 163a8c0
220src: 163a8c0 dst: 163a8c0
221src: 163a8c0 dst: 163a8c0
222src: 163a8c0 dst: 163a8c0
223src: 163a8c0 dst: 163a8c0" || exit 1
224 remove_prog in
225}
226
227function test_cb {
228 test_start "test_cb on lwt $1"
229 install_test $1 test_cb
230 ping -c 3 $IPVETH1 || {
231 failure "test_cb ${1}: packets are dropped"
232 }
233 match_trace "$(get_trace)" "
234cb0: 0 cb1: 0 cb2: 0
235cb3: 0 cb4: 0
236cb0: 0 cb1: 0 cb2: 0
237cb3: 0 cb4: 0
238cb0: 0 cb1: 0 cb2: 0
239cb3: 0 cb4: 0" || exit 1
240 remove_prog $1
241}
242
243function test_cb_in {
244 test_start "test_cb on lwt in"
245 install_test in test_cb
246 ping -c 3 $IP_LOCAL || {
247 failure "test_cb in: packets are dropped"
248 }
249 # We will both request & reply packets as the packets will
250 # be from $IP_LOCAL => $IP_LOCAL
251 match_trace "$(get_trace)" "
252cb0: 0 cb1: 0 cb2: 0
253cb3: 0 cb4: 0
254cb0: 0 cb1: 0 cb2: 0
255cb3: 0 cb4: 0
256cb0: 0 cb1: 0 cb2: 0
257cb3: 0 cb4: 0
258cb0: 0 cb1: 0 cb2: 0
259cb3: 0 cb4: 0
260cb0: 0 cb1: 0 cb2: 0
261cb3: 0 cb4: 0
262cb0: 0 cb1: 0 cb2: 0
263cb3: 0 cb4: 0" || exit 1
264 remove_prog in
265}
266
267function test_drop_all {
268 test_start "test_drop_all on lwt $1"
269 install_test $1 drop_all
270 ping -c 3 $IPVETH1 && {
271 failure "test_drop_all ${1}: Unexpected success of ping"
272 }
273 match_trace "$(get_trace)" "
274dropping with: 2
275dropping with: 2
276dropping with: 2" || exit 1
277 remove_prog $1
278}
279
280function test_drop_all_in {
281 test_start "test_drop_all on lwt in"
282 install_test in drop_all
283 ping -c 3 $IP_LOCAL && {
284 failure "test_drop_all in: Unexpected success of ping"
285 }
286 match_trace "$(get_trace)" "
287dropping with: 2
288dropping with: 2
289dropping with: 2" || exit 1
290 remove_prog in
291}
292
293function test_push_ll_and_redirect {
294 test_start "test_push_ll_and_redirect on lwt xmit"
295 install_test xmit push_ll_and_redirect
296 ping -c 3 $IPVETH1 || {
297 failure "Redirected packets appear to be dropped"
298 }
299 match_trace "$(get_trace)" "
300redirected to $DST_IFINDEX
301redirected to $DST_IFINDEX
302redirected to $DST_IFINDEX" || exit 1
303 remove_prog xmit
304}
305
306function test_no_l2_and_redirect {
307 test_start "test_no_l2_and_redirect on lwt xmit"
308 install_test xmit fill_garbage_and_redirect
309 ping -c 3 $IPVETH1 && {
310 failure "Unexpected success despite lack of L2 header"
311 }
312 match_trace "$(get_trace)" "
313redirected to $DST_IFINDEX
314redirected to $DST_IFINDEX
315redirected to $DST_IFINDEX" || exit 1
316 remove_prog xmit
317}
318
319function test_rewrite {
320 test_start "test_rewrite on lwt xmit"
321 install_test xmit test_rewrite
322 ping -c 3 $IPVETH1 || {
323 failure "Rewritten packets appear to be dropped"
324 }
325 match_trace "$(get_trace)" "
326out: rewriting from 2fea8c0 to 3fea8c0
327out: rewriting from 2fea8c0 to 3fea8c0
328out: rewriting from 2fea8c0 to 3fea8c0" || exit 1
329 remove_prog out
330}
331
332function test_fill_garbage {
333 test_start "test_fill_garbage on lwt xmit"
334 install_test xmit fill_garbage
335 ping -c 3 $IPVETH1 && {
336 failure "test_drop_all ${1}: Unexpected success of ping"
337 }
338 match_trace "$(get_trace)" "
339Set initial 96 bytes of header to FF
340Set initial 96 bytes of header to FF
341Set initial 96 bytes of header to FF" || exit 1
342 remove_prog xmit
343}
344
345function test_netperf_nop {
346 test_start "test_netperf_nop on lwt xmit"
347 install_test xmit nop
348 netperf -H $IPVETH1 -t TCP_STREAM || {
349 failure "packets appear to be dropped"
350 }
351 match_trace "$(get_trace)" ""|| exit 1
352 remove_prog xmit
353}
354
355function test_netperf_redirect {
356 test_start "test_netperf_redirect on lwt xmit"
357 install_test xmit push_ll_and_redirect_silent
358 netperf -H $IPVETH1 -t TCP_STREAM || {
359 failure "Rewritten packets appear to be dropped"
360 }
361 match_trace "$(get_trace)" ""|| exit 1
362 remove_prog xmit
363}
364
365cleanup
366setup_one_veth $NS1 $VETH0 $VETH1 $IPVETH0 $IPVETH1 $IPVETH1b
367setup_one_veth $NS2 $VETH2 $VETH3 $IPVETH2 $IPVETH3
368ip netns exec $NS1 netserver
369echo 1 > ${TRACE_ROOT}/tracing_on
370
371DST_MAC=$(lookup_mac $VETH1 $NS1)
372SRC_MAC=$(lookup_mac $VETH0)
373DST_IFINDEX=$(cat /sys/class/net/$VETH0/ifindex)
374
375CLANG_OPTS="-O2 -target bpf -I ../include/"
376CLANG_OPTS+=" -DSRC_MAC=$SRC_MAC -DDST_MAC=$DST_MAC -DDST_IFINDEX=$DST_IFINDEX"
377clang $CLANG_OPTS -c test_lwt_bpf.c -o test_lwt_bpf.o
378
379test_ctx_xmit
380test_ctx_out
381test_ctx_in
382test_data "xmit"
383test_data "out"
384test_data_in
385test_cb "xmit"
386test_cb "out"
387test_cb_in
388test_drop_all "xmit"
389test_drop_all "out"
390test_drop_all_in
391test_rewrite
392test_push_ll_and_redirect
393test_no_l2_and_redirect
394test_fill_garbage
395test_netperf_nop
396test_netperf_redirect
397
398cleanup
399echo 0 > ${TRACE_ROOT}/tracing_on
400exit 0
1#!/bin/bash
2
3# Uncomment to see generated bytecode
4#VERBOSE=verbose
5
6NS1=lwt_ns1
7NS2=lwt_ns2
8VETH0=tst_lwt1a
9VETH1=tst_lwt1b
10VETH2=tst_lwt2a
11VETH3=tst_lwt2b
12IPVETH0="192.168.254.1"
13IPVETH1="192.168.254.2"
14IPVETH1b="192.168.254.3"
15
16IPVETH2="192.168.111.1"
17IPVETH3="192.168.111.2"
18
19IP_LOCAL="192.168.99.1"
20
21TRACE_ROOT=/sys/kernel/debug/tracing
22
23function lookup_mac()
24{
25 set +x
26 if [ ! -z "$2" ]; then
27 MAC=$(ip netns exec $2 ip link show $1 | grep ether | awk '{print $2}')
28 else
29 MAC=$(ip link show $1 | grep ether | awk '{print $2}')
30 fi
31 MAC="${MAC//:/}"
32 echo "0x${MAC:10:2}${MAC:8:2}${MAC:6:2}${MAC:4:2}${MAC:2:2}${MAC:0:2}"
33 set -x
34}
35
36function cleanup {
37 set +ex
38 rm test_lwt_bpf.o 2> /dev/null
39 ip link del $VETH0 2> /dev/null
40 ip link del $VETH1 2> /dev/null
41 ip link del $VETH2 2> /dev/null
42 ip link del $VETH3 2> /dev/null
43 ip netns exec $NS1 killall netserver
44 ip netns delete $NS1 2> /dev/null
45 ip netns delete $NS2 2> /dev/null
46 set -ex
47}
48
49function setup_one_veth {
50 ip netns add $1
51 ip link add $2 type veth peer name $3
52 ip link set dev $2 up
53 ip addr add $4/24 dev $2
54 ip link set $3 netns $1
55 ip netns exec $1 ip link set dev $3 up
56 ip netns exec $1 ip addr add $5/24 dev $3
57
58 if [ "$6" ]; then
59 ip netns exec $1 ip addr add $6/32 dev $3
60 fi
61}
62
63function get_trace {
64 set +x
65 cat ${TRACE_ROOT}/trace | grep -v '^#'
66 set -x
67}
68
69function cleanup_routes {
70 ip route del ${IPVETH1}/32 dev $VETH0 2> /dev/null || true
71 ip route del table local local ${IP_LOCAL}/32 dev lo 2> /dev/null || true
72}
73
74function install_test {
75 cleanup_routes
76 cp /dev/null ${TRACE_ROOT}/trace
77
78 OPTS="encap bpf headroom 14 $1 obj test_lwt_bpf.o section $2 $VERBOSE"
79
80 if [ "$1" == "in" ]; then
81 ip route add table local local ${IP_LOCAL}/32 $OPTS dev lo
82 else
83 ip route add ${IPVETH1}/32 $OPTS dev $VETH0
84 fi
85}
86
87function remove_prog {
88 if [ "$1" == "in" ]; then
89 ip route del table local local ${IP_LOCAL}/32 dev lo
90 else
91 ip route del ${IPVETH1}/32 dev $VETH0
92 fi
93}
94
95function filter_trace {
96 # Add newline to allow starting EXPECT= variables on newline
97 NL=$'\n'
98 echo "${NL}$*" | sed -e 's/^.*: : //g'
99}
100
101function expect_fail {
102 set +x
103 echo "FAIL:"
104 echo "Expected: $1"
105 echo "Got: $2"
106 set -x
107 exit 1
108}
109
110function match_trace {
111 set +x
112 RET=0
113 TRACE=$1
114 EXPECT=$2
115 GOT="$(filter_trace "$TRACE")"
116
117 [ "$GOT" != "$EXPECT" ] && {
118 expect_fail "$EXPECT" "$GOT"
119 RET=1
120 }
121 set -x
122 return $RET
123}
124
125function test_start {
126 set +x
127 echo "----------------------------------------------------------------"
128 echo "Starting test: $*"
129 echo "----------------------------------------------------------------"
130 set -x
131}
132
133function failure {
134 get_trace
135 echo "FAIL: $*"
136 exit 1
137}
138
139function test_ctx_xmit {
140 test_start "test_ctx on lwt xmit"
141 install_test xmit test_ctx
142 ping -c 3 $IPVETH1 || {
143 failure "test_ctx xmit: packets are dropped"
144 }
145 match_trace "$(get_trace)" "
146len 84 hash 0 protocol 8
147cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
148len 84 hash 0 protocol 8
149cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
150len 84 hash 0 protocol 8
151cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX" || exit 1
152 remove_prog xmit
153}
154
155function test_ctx_out {
156 test_start "test_ctx on lwt out"
157 install_test out test_ctx
158 ping -c 3 $IPVETH1 || {
159 failure "test_ctx out: packets are dropped"
160 }
161 match_trace "$(get_trace)" "
162len 84 hash 0 protocol 0
163cb 1234 ingress_ifindex 0 ifindex 0
164len 84 hash 0 protocol 0
165cb 1234 ingress_ifindex 0 ifindex 0
166len 84 hash 0 protocol 0
167cb 1234 ingress_ifindex 0 ifindex 0" || exit 1
168 remove_prog out
169}
170
171function test_ctx_in {
172 test_start "test_ctx on lwt in"
173 install_test in test_ctx
174 ping -c 3 $IP_LOCAL || {
175 failure "test_ctx out: packets are dropped"
176 }
177 # We will both request & reply packets as the packets will
178 # be from $IP_LOCAL => $IP_LOCAL
179 match_trace "$(get_trace)" "
180len 84 hash 0 protocol 8
181cb 1234 ingress_ifindex 1 ifindex 1
182len 84 hash 0 protocol 8
183cb 1234 ingress_ifindex 1 ifindex 1
184len 84 hash 0 protocol 8
185cb 1234 ingress_ifindex 1 ifindex 1
186len 84 hash 0 protocol 8
187cb 1234 ingress_ifindex 1 ifindex 1
188len 84 hash 0 protocol 8
189cb 1234 ingress_ifindex 1 ifindex 1
190len 84 hash 0 protocol 8
191cb 1234 ingress_ifindex 1 ifindex 1" || exit 1
192 remove_prog in
193}
194
195function test_data {
196 test_start "test_data on lwt $1"
197 install_test $1 test_data
198 ping -c 3 $IPVETH1 || {
199 failure "test_data ${1}: packets are dropped"
200 }
201 match_trace "$(get_trace)" "
202src: 1fea8c0 dst: 2fea8c0
203src: 1fea8c0 dst: 2fea8c0
204src: 1fea8c0 dst: 2fea8c0" || exit 1
205 remove_prog $1
206}
207
208function test_data_in {
209 test_start "test_data on lwt in"
210 install_test in test_data
211 ping -c 3 $IP_LOCAL || {
212 failure "test_data in: packets are dropped"
213 }
214 # We will both request & reply packets as the packets will
215 # be from $IP_LOCAL => $IP_LOCAL
216 match_trace "$(get_trace)" "
217src: 163a8c0 dst: 163a8c0
218src: 163a8c0 dst: 163a8c0
219src: 163a8c0 dst: 163a8c0
220src: 163a8c0 dst: 163a8c0
221src: 163a8c0 dst: 163a8c0
222src: 163a8c0 dst: 163a8c0" || exit 1
223 remove_prog in
224}
225
226function test_cb {
227 test_start "test_cb on lwt $1"
228 install_test $1 test_cb
229 ping -c 3 $IPVETH1 || {
230 failure "test_cb ${1}: packets are dropped"
231 }
232 match_trace "$(get_trace)" "
233cb0: 0 cb1: 0 cb2: 0
234cb3: 0 cb4: 0
235cb0: 0 cb1: 0 cb2: 0
236cb3: 0 cb4: 0
237cb0: 0 cb1: 0 cb2: 0
238cb3: 0 cb4: 0" || exit 1
239 remove_prog $1
240}
241
242function test_cb_in {
243 test_start "test_cb on lwt in"
244 install_test in test_cb
245 ping -c 3 $IP_LOCAL || {
246 failure "test_cb in: packets are dropped"
247 }
248 # We will both request & reply packets as the packets will
249 # be from $IP_LOCAL => $IP_LOCAL
250 match_trace "$(get_trace)" "
251cb0: 0 cb1: 0 cb2: 0
252cb3: 0 cb4: 0
253cb0: 0 cb1: 0 cb2: 0
254cb3: 0 cb4: 0
255cb0: 0 cb1: 0 cb2: 0
256cb3: 0 cb4: 0
257cb0: 0 cb1: 0 cb2: 0
258cb3: 0 cb4: 0
259cb0: 0 cb1: 0 cb2: 0
260cb3: 0 cb4: 0
261cb0: 0 cb1: 0 cb2: 0
262cb3: 0 cb4: 0" || exit 1
263 remove_prog in
264}
265
266function test_drop_all {
267 test_start "test_drop_all on lwt $1"
268 install_test $1 drop_all
269 ping -c 3 $IPVETH1 && {
270 failure "test_drop_all ${1}: Unexpected success of ping"
271 }
272 match_trace "$(get_trace)" "
273dropping with: 2
274dropping with: 2
275dropping with: 2" || exit 1
276 remove_prog $1
277}
278
279function test_drop_all_in {
280 test_start "test_drop_all on lwt in"
281 install_test in drop_all
282 ping -c 3 $IP_LOCAL && {
283 failure "test_drop_all in: Unexpected success of ping"
284 }
285 match_trace "$(get_trace)" "
286dropping with: 2
287dropping with: 2
288dropping with: 2" || exit 1
289 remove_prog in
290}
291
292function test_push_ll_and_redirect {
293 test_start "test_push_ll_and_redirect on lwt xmit"
294 install_test xmit push_ll_and_redirect
295 ping -c 3 $IPVETH1 || {
296 failure "Redirected packets appear to be dropped"
297 }
298 match_trace "$(get_trace)" "
299redirected to $DST_IFINDEX
300redirected to $DST_IFINDEX
301redirected to $DST_IFINDEX" || exit 1
302 remove_prog xmit
303}
304
305function test_no_l2_and_redirect {
306 test_start "test_no_l2_and_redirect on lwt xmit"
307 install_test xmit fill_garbage_and_redirect
308 ping -c 3 $IPVETH1 && {
309 failure "Unexpected success despite lack of L2 header"
310 }
311 match_trace "$(get_trace)" "
312redirected to $DST_IFINDEX
313redirected to $DST_IFINDEX
314redirected to $DST_IFINDEX" || exit 1
315 remove_prog xmit
316}
317
318function test_rewrite {
319 test_start "test_rewrite on lwt xmit"
320 install_test xmit test_rewrite
321 ping -c 3 $IPVETH1 || {
322 failure "Rewritten packets appear to be dropped"
323 }
324 match_trace "$(get_trace)" "
325out: rewriting from 2fea8c0 to 3fea8c0
326out: rewriting from 2fea8c0 to 3fea8c0
327out: rewriting from 2fea8c0 to 3fea8c0" || exit 1
328 remove_prog out
329}
330
331function test_fill_garbage {
332 test_start "test_fill_garbage on lwt xmit"
333 install_test xmit fill_garbage
334 ping -c 3 $IPVETH1 && {
335 failure "test_drop_all ${1}: Unexpected success of ping"
336 }
337 match_trace "$(get_trace)" "
338Set initial 96 bytes of header to FF
339Set initial 96 bytes of header to FF
340Set initial 96 bytes of header to FF" || exit 1
341 remove_prog xmit
342}
343
344function test_netperf_nop {
345 test_start "test_netperf_nop on lwt xmit"
346 install_test xmit nop
347 netperf -H $IPVETH1 -t TCP_STREAM || {
348 failure "packets appear to be dropped"
349 }
350 match_trace "$(get_trace)" ""|| exit 1
351 remove_prog xmit
352}
353
354function test_netperf_redirect {
355 test_start "test_netperf_redirect on lwt xmit"
356 install_test xmit push_ll_and_redirect_silent
357 netperf -H $IPVETH1 -t TCP_STREAM || {
358 failure "Rewritten packets appear to be dropped"
359 }
360 match_trace "$(get_trace)" ""|| exit 1
361 remove_prog xmit
362}
363
364cleanup
365setup_one_veth $NS1 $VETH0 $VETH1 $IPVETH0 $IPVETH1 $IPVETH1b
366setup_one_veth $NS2 $VETH2 $VETH3 $IPVETH2 $IPVETH3
367ip netns exec $NS1 netserver
368echo 1 > ${TRACE_ROOT}/tracing_on
369
370DST_MAC=$(lookup_mac $VETH1 $NS1)
371SRC_MAC=$(lookup_mac $VETH0)
372DST_IFINDEX=$(cat /sys/class/net/$VETH0/ifindex)
373
374CLANG_OPTS="-O2 -target bpf -I ../include/"
375CLANG_OPTS+=" -DSRC_MAC=$SRC_MAC -DDST_MAC=$DST_MAC -DDST_IFINDEX=$DST_IFINDEX"
376clang $CLANG_OPTS -c test_lwt_bpf.c -o test_lwt_bpf.o
377
378test_ctx_xmit
379test_ctx_out
380test_ctx_in
381test_data "xmit"
382test_data "out"
383test_data_in
384test_cb "xmit"
385test_cb "out"
386test_cb_in
387test_drop_all "xmit"
388test_drop_all "out"
389test_drop_all_in
390test_rewrite
391test_push_ll_and_redirect
392test_no_l2_and_redirect
393test_fill_garbage
394test_netperf_nop
395test_netperf_redirect
396
397cleanup
398echo 0 > ${TRACE_ROOT}/tracing_on
399exit 0