[mirror_ubuntu-zesty-kernel.git] / samples / bpf / test_lwt_bpf.sh

#!/bin/bash

# Uncomment to see generated bytecode
#VERBOSE=verbose

NS1=lwt_ns1
NS2=lwt_ns2
VETH0=tst_lwt1a
VETH1=tst_lwt1b
VETH2=tst_lwt2a
VETH3=tst_lwt2b
IPVETH0="192.168.254.1"
IPVETH1="192.168.254.2"
IPVETH1b="192.168.254.3"

IPVETH2="192.168.111.1"
IPVETH3="192.168.111.2"

IP_LOCAL="192.168.99.1"

TRACE_ROOT=/sys/kernel/debug/tracing

function lookup_mac()
{
	set +x
	if [ ! -z "$2" ]; then
		MAC=$(ip netns exec $2 ip link show $1 | grep ether | awk '{print $2}')
	else
		MAC=$(ip link show $1 | grep ether | awk '{print $2}')
	fi
	MAC="${MAC//:/}"
	echo "0x${MAC:10:2}${MAC:8:2}${MAC:6:2}${MAC:4:2}${MAC:2:2}${MAC:0:2}"
	set -x
}

function cleanup {
	set +ex
	rm test_lwt_bpf.o 2> /dev/null
	ip link del $VETH0 2> /dev/null
	ip link del $VETH1 2> /dev/null
	ip link del $VETH2 2> /dev/null
	ip link del $VETH3 2> /dev/null
	ip netns exec $NS1 killall netserver
	ip netns delete $NS1 2> /dev/null
	ip netns delete $NS2 2> /dev/null
	set -ex
}

function setup_one_veth {
	ip netns add $1
	ip link add $2 type veth peer name $3
	ip link set dev $2 up
	ip addr add $4/24 dev $2
	ip link set $3 netns $1
	ip netns exec $1 ip link set dev $3 up
	ip netns exec $1 ip addr add $5/24 dev $3

	if [ "$6" ]; then
		ip netns exec $1 ip addr add $6/32 dev $3
	fi
}

function get_trace {
	set +x
	cat ${TRACE_ROOT}/trace | grep -v '^#'
	set -x
}

function cleanup_routes {
	ip route del ${IPVETH1}/32 dev $VETH0 2> /dev/null || true
	ip route del table local local ${IP_LOCAL}/32 dev lo 2> /dev/null || true
}

function install_test {
	cleanup_routes
	cp /dev/null ${TRACE_ROOT}/trace

	OPTS="encap bpf headroom 14 $1 obj test_lwt_bpf.o section $2 $VERBOSE"

	if [ "$1" == "in" ];  then
		ip route add table local local ${IP_LOCAL}/32 $OPTS dev lo
	else
		ip route add ${IPVETH1}/32 $OPTS dev $VETH0
	fi
}

function remove_prog {
	if [ "$1" == "in" ];  then
		ip route del table local local ${IP_LOCAL}/32 dev lo
	else
		ip route del ${IPVETH1}/32 dev $VETH0
	fi
}

function filter_trace {
	# Add newline to allow starting EXPECT= variables on newline
	NL=$'\n'
	echo "${NL}$*" | sed -e 's/^.*: : //g'
}

function expect_fail {
	set +x
	echo "FAIL:"
	echo "Expected: $1"
	echo "Got: $2"
	set -x
	exit 1
}

function match_trace {
	set +x
	RET=0
	TRACE=$1
	EXPECT=$2
	GOT="$(filter_trace "$TRACE")"

	[ "$GOT" != "$EXPECT" ] && {
		expect_fail "$EXPECT" "$GOT"
		RET=1
	}
	set -x
	return $RET
}

function test_start {
	set +x
	echo "----------------------------------------------------------------"
	echo "Starting test: $*"
	echo "----------------------------------------------------------------"
	set -x
}

function failure {
	get_trace
	echo "FAIL: $*"
	exit 1
}

function test_ctx_xmit {
	test_start "test_ctx on lwt xmit"
	install_test xmit test_ctx
	ping -c 3 $IPVETH1 || {
		failure "test_ctx xmit: packets are dropped"
	}
	match_trace "$(get_trace)" "
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX" || exit 1
	remove_prog xmit
}

function test_ctx_out {
	test_start "test_ctx on lwt out"
	install_test out test_ctx
	ping -c 3 $IPVETH1 || {
		failure "test_ctx out: packets are dropped"
	}
	match_trace "$(get_trace)" "
len 84 hash 0 protocol 0
cb 1234 ingress_ifindex 0 ifindex 0
len 84 hash 0 protocol 0
cb 1234 ingress_ifindex 0 ifindex 0
len 84 hash 0 protocol 0
cb 1234 ingress_ifindex 0 ifindex 0" || exit 1
	remove_prog out
}

function test_ctx_in {
	test_start "test_ctx on lwt in"
	install_test in test_ctx
	ping -c 3 $IP_LOCAL || {
		failure "test_ctx out: packets are dropped"
	}
	# We will both request & reply packets as the packets will
	# be from $IP_LOCAL => $IP_LOCAL
	match_trace "$(get_trace)" "
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 1 ifindex 1
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 1 ifindex 1
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 1 ifindex 1
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 1 ifindex 1
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 1 ifindex 1
len 84 hash 0 protocol 8
cb 1234 ingress_ifindex 1 ifindex 1" || exit 1
	remove_prog in
}

function test_data {
	test_start "test_data on lwt $1"
	install_test $1 test_data
	ping -c 3 $IPVETH1 || {
		failure "test_data ${1}: packets are dropped"
	}
	match_trace "$(get_trace)" "
src: 1fea8c0 dst: 2fea8c0
src: 1fea8c0 dst: 2fea8c0
src: 1fea8c0 dst: 2fea8c0" || exit 1
	remove_prog $1
}

function test_data_in {
	test_start "test_data on lwt in"
	install_test in test_data
	ping -c 3 $IP_LOCAL || {
		failure "test_data in: packets are dropped"
	}
	# We will both request & reply packets as the packets will
	# be from $IP_LOCAL => $IP_LOCAL
	match_trace "$(get_trace)" "
src: 163a8c0 dst: 163a8c0
src: 163a8c0 dst: 163a8c0
src: 163a8c0 dst: 163a8c0
src: 163a8c0 dst: 163a8c0
src: 163a8c0 dst: 163a8c0
src: 163a8c0 dst: 163a8c0" || exit 1
	remove_prog in
}

function test_cb {
	test_start "test_cb on lwt $1"
	install_test $1 test_cb
	ping -c 3 $IPVETH1 || {
		failure "test_cb ${1}: packets are dropped"
	}
	match_trace "$(get_trace)" "
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0" || exit 1
	remove_prog $1
}

function test_cb_in {
	test_start "test_cb on lwt in"
	install_test in test_cb
	ping -c 3 $IP_LOCAL || {
		failure "test_cb in: packets are dropped"
	}
	# We will both request & reply packets as the packets will
	# be from $IP_LOCAL => $IP_LOCAL
	match_trace "$(get_trace)" "
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0
cb0: 0 cb1: 0 cb2: 0
cb3: 0 cb4: 0" || exit 1
	remove_prog in
}

function test_drop_all {
	test_start "test_drop_all on lwt $1"
	install_test $1 drop_all
	ping -c 3 $IPVETH1 && {
		failure "test_drop_all ${1}: Unexpected success of ping"
	}
	match_trace "$(get_trace)" "
dropping with: 2
dropping with: 2
dropping with: 2" || exit 1
	remove_prog $1
}

function test_drop_all_in {
	test_start "test_drop_all on lwt in"
	install_test in drop_all
	ping -c 3 $IP_LOCAL && {
		failure "test_drop_all in: Unexpected success of ping"
	}
	match_trace "$(get_trace)" "
dropping with: 2
dropping with: 2
dropping with: 2" || exit 1
	remove_prog in
}

function test_push_ll_and_redirect {
	test_start "test_push_ll_and_redirect on lwt xmit"
	install_test xmit push_ll_and_redirect
	ping -c 3 $IPVETH1 || {
		failure "Redirected packets appear to be dropped"
	}
	match_trace "$(get_trace)" "
redirected to $DST_IFINDEX
redirected to $DST_IFINDEX
redirected to $DST_IFINDEX" || exit 1
	remove_prog xmit
}

function test_no_l2_and_redirect {
	test_start "test_no_l2_and_redirect on lwt xmit"
	install_test xmit fill_garbage_and_redirect
	ping -c 3 $IPVETH1 && {
		failure "Unexpected success despite lack of L2 header"
	}
	match_trace "$(get_trace)" "
redirected to $DST_IFINDEX
redirected to $DST_IFINDEX
redirected to $DST_IFINDEX" || exit 1
	remove_prog xmit
}

function test_rewrite {
	test_start "test_rewrite on lwt xmit"
	install_test xmit test_rewrite
	ping -c 3 $IPVETH1 || {
		failure "Rewritten packets appear to be dropped"
	}
	match_trace "$(get_trace)" "
out: rewriting from 2fea8c0 to 3fea8c0
out: rewriting from 2fea8c0 to 3fea8c0
out: rewriting from 2fea8c0 to 3fea8c0" || exit 1
	remove_prog out
}

function test_fill_garbage {
	test_start "test_fill_garbage on lwt xmit"
	install_test xmit fill_garbage
	ping -c 3 $IPVETH1 && {
		failure "test_drop_all ${1}: Unexpected success of ping"
	}
	match_trace "$(get_trace)" "
Set initial 96 bytes of header to FF
Set initial 96 bytes of header to FF
Set initial 96 bytes of header to FF" || exit 1
	remove_prog xmit
}

function test_netperf_nop {
	test_start "test_netperf_nop on lwt xmit"
	install_test xmit nop
	netperf -H $IPVETH1 -t TCP_STREAM || {
		failure "packets appear to be dropped"
	}
	match_trace "$(get_trace)" ""|| exit 1
	remove_prog xmit
}

function test_netperf_redirect {
	test_start "test_netperf_redirect on lwt xmit"
	install_test xmit push_ll_and_redirect_silent
	netperf -H $IPVETH1 -t TCP_STREAM || {
		failure "Rewritten packets appear to be dropped"
	}
	match_trace "$(get_trace)" ""|| exit 1
	remove_prog xmit
}

cleanup
setup_one_veth $NS1 $VETH0 $VETH1 $IPVETH0 $IPVETH1 $IPVETH1b
setup_one_veth $NS2 $VETH2 $VETH3 $IPVETH2 $IPVETH3
ip netns exec $NS1 netserver
echo 1 > ${TRACE_ROOT}/tracing_on

DST_MAC=$(lookup_mac $VETH1 $NS1)
SRC_MAC=$(lookup_mac $VETH0)
DST_IFINDEX=$(cat /sys/class/net/$VETH0/ifindex)

CLANG_OPTS="-O2 -target bpf -I ../include/"
CLANG_OPTS+=" -DSRC_MAC=$SRC_MAC -DDST_MAC=$DST_MAC -DDST_IFINDEX=$DST_IFINDEX"
clang $CLANG_OPTS -c test_lwt_bpf.c -o test_lwt_bpf.o

test_ctx_xmit
test_ctx_out
test_ctx_in
test_data "xmit"
test_data "out"
test_data_in
test_cb "xmit"
test_cb "out"
test_cb_in
test_drop_all "xmit"
test_drop_all "out"
test_drop_all_in
test_rewrite
test_push_ll_and_redirect
test_no_l2_and_redirect
test_fill_garbage
test_netperf_nop
test_netperf_redirect

cleanup
echo 0 > ${TRACE_ROOT}/tracing_on
exit 0
Commit	Line	Data
f74599f7 TG	1	#!/bin/bash
	2
	3	# Uncomment to see generated bytecode
	4	#VERBOSE=verbose
	5
	6	NS1=lwt_ns1
	7	NS2=lwt_ns2
	8	VETH0=tst_lwt1a
	9	VETH1=tst_lwt1b
	10	VETH2=tst_lwt2a
	11	VETH3=tst_lwt2b
	12	IPVETH0="192.168.254.1"
	13	IPVETH1="192.168.254.2"
	14	IPVETH1b="192.168.254.3"
	15
	16	IPVETH2="192.168.111.1"
	17	IPVETH3="192.168.111.2"
	18
	19	IP_LOCAL="192.168.99.1"
	20
	21	TRACE_ROOT=/sys/kernel/debug/tracing
	22
	23	function 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
	36	function 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
	49	function 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
	63	function get_trace {
	64	set +x
65	cat ${TRACE_ROOT}/trace \| grep -v '^#'
66	set -x
67	}
68
69	function 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
74	function 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
87	function 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 $VETH0
92	fi
93	}
94
95	function filter_trace {
96	# Add newline to allow starting EXPECT= variables on newline
97	NL=$'\n'
98	echo "${NL}$" \| sed -e 's/^.: : //g'
99	}
100
101	function expect_fail {
102	set +x
103	echo "FAIL:"
104	echo "Expected: $1"
105	echo "Got: $2"
106	set -x
107	exit 1
108	}
109
110	function 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
125	function test_start {
126	set +x
127	echo "----------------------------------------------------------------"
128	echo "Starting test: $*"
129	echo "----------------------------------------------------------------"
130	set -x
131	}
132
133	function failure {
134	get_trace
135	echo "FAIL: $*"
136	exit 1
137	}
138
139	function 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)" "
146	len 84 hash 0 protocol 8
147	cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
148	len 84 hash 0 protocol 8
149	cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
150	len 84 hash 0 protocol 8
151	cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX" \|\| exit 1
152	remove_prog xmit
153	}
154
155	function 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)" "
162	len 84 hash 0 protocol 0
163	cb 1234 ingress_ifindex 0 ifindex 0
164	len 84 hash 0 protocol 0
165	cb 1234 ingress_ifindex 0 ifindex 0
166	len 84 hash 0 protocol 0
167	cb 1234 ingress_ifindex 0 ifindex 0" \|\| exit 1
168	remove_prog out
169	}
170
171	function 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)" "
180	len 84 hash 0 protocol 8
181	cb 1234 ingress_ifindex 1 ifindex 1
182	len 84 hash 0 protocol 8
183	cb 1234 ingress_ifindex 1 ifindex 1
184	len 84 hash 0 protocol 8
185	cb 1234 ingress_ifindex 1 ifindex 1
186	len 84 hash 0 protocol 8
187	cb 1234 ingress_ifindex 1 ifindex 1
188	len 84 hash 0 protocol 8
189	cb 1234 ingress_ifindex 1 ifindex 1
190	len 84 hash 0 protocol 8
191	cb 1234 ingress_ifindex 1 ifindex 1" \|\| exit 1
192	remove_prog in
193	}
194
195	function 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)" "
202	src: 1fea8c0 dst: 2fea8c0
203	src: 1fea8c0 dst: 2fea8c0
204	src: 1fea8c0 dst: 2fea8c0" \|\| exit 1
205	remove_prog $1
206	}
207
208	function 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)" "
217	src: 163a8c0 dst: 163a8c0
218	src: 163a8c0 dst: 163a8c0
219	src: 163a8c0 dst: 163a8c0
220	src: 163a8c0 dst: 163a8c0
221	src: 163a8c0 dst: 163a8c0
222	src: 163a8c0 dst: 163a8c0" \|\| exit 1
223	remove_prog in
224	}
225
226	function 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)" "
233	cb0: 0 cb1: 0 cb2: 0
234	cb3: 0 cb4: 0
235	cb0: 0 cb1: 0 cb2: 0
236	cb3: 0 cb4: 0
237	cb0: 0 cb1: 0 cb2: 0
238	cb3: 0 cb4: 0" \|\| exit 1
239	remove_prog $1
240	}
241
242	function 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)" "
251	cb0: 0 cb1: 0 cb2: 0
252	cb3: 0 cb4: 0
253	cb0: 0 cb1: 0 cb2: 0
254	cb3: 0 cb4: 0
255	cb0: 0 cb1: 0 cb2: 0
256	cb3: 0 cb4: 0
257	cb0: 0 cb1: 0 cb2: 0
258	cb3: 0 cb4: 0
259	cb0: 0 cb1: 0 cb2: 0
260	cb3: 0 cb4: 0
261	cb0: 0 cb1: 0 cb2: 0
262	cb3: 0 cb4: 0" \|\| exit 1
263	remove_prog in
264	}
265
266	function 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)" "
273	dropping with: 2
274	dropping with: 2
275	dropping with: 2" \|\| exit 1
276	remove_prog $1
277	}
278
279	function 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)" "
286	dropping with: 2
287	dropping with: 2
288	dropping with: 2" \|\| exit 1
289	remove_prog in
290	}
291
292	function 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)" "
299	redirected to $DST_IFINDEX
300	redirected to $DST_IFINDEX
301	redirected to $DST_IFINDEX" \|\| exit 1
302	remove_prog xmit
303	}
304
305	function 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)" "
312	redirected to $DST_IFINDEX
313	redirected to $DST_IFINDEX
314	redirected to $DST_IFINDEX" \|\| exit 1
315	remove_prog xmit
316	}
317
318	function 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)" "
325	out: rewriting from 2fea8c0 to 3fea8c0
326	out: rewriting from 2fea8c0 to 3fea8c0
327	out: rewriting from 2fea8c0 to 3fea8c0" \|\| exit 1
328	remove_prog out
329	}
330
331	function 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)" "
338	Set initial 96 bytes of header to FF
339	Set initial 96 bytes of header to FF
340	Set initial 96 bytes of header to FF" \|\| exit 1
341	remove_prog xmit
342	}
343
344	function 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
354	function 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
364	cleanup
365	setup_one_veth $NS1 $VETH0 $VETH1 $IPVETH0 $IPVETH1 $IPVETH1b
366	setup_one_veth $NS2 $VETH2 $VETH3 $IPVETH2 $IPVETH3
367	ip netns exec $NS1 netserver
368	echo 1 > ${TRACE_ROOT}/tracing_on
369
370	DST_MAC=$(lookup_mac $VETH1 $NS1)
371	SRC_MAC=$(lookup_mac $VETH0)
372	DST_IFINDEX=$(cat /sys/class/net/$VETH0/ifindex)
373
374	CLANG_OPTS="-O2 -target bpf -I ../include/"
375	CLANG_OPTS+=" -DSRC_MAC=$SRC_MAC -DDST_MAC=$DST_MAC -DDST_IFINDEX=$DST_IFINDEX"
376	clang $CLANG_OPTS -c test_lwt_bpf.c -o test_lwt_bpf.o
377
378	test_ctx_xmit
379	test_ctx_out
380	test_ctx_in
381	test_data "xmit"
382	test_data "out"
383	test_data_in
384	test_cb "xmit"
385	test_cb "out"
386	test_cb_in
387	test_drop_all "xmit"
388	test_drop_all "out"
389	test_drop_all_in
390	test_rewrite
391	test_push_ll_and_redirect
392	test_no_l2_and_redirect
393	test_fill_garbage
394	test_netperf_nop
395	test_netperf_redirect
396
397	cleanup
398	echo 0 > ${TRACE_ROOT}/tracing_on
399	exit 0