[linux-2.6-block.git] / samples / bpf / test_lwt_bpf.sh

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

# 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	1	#!/bin/bash
b2441318	2	# SPDX-License-Identifier: GPL-2.0
f74599f7 TG	3
	4	# Uncomment to see generated bytecode
	5	#VERBOSE=verbose
	6
	7	NS1=lwt_ns1
	8	NS2=lwt_ns2
	9	VETH0=tst_lwt1a
	10	VETH1=tst_lwt1b
	11	VETH2=tst_lwt2a
	12	VETH3=tst_lwt2b
	13	IPVETH0="192.168.254.1"
	14	IPVETH1="192.168.254.2"
	15	IPVETH1b="192.168.254.3"
	16
	17	IPVETH2="192.168.111.1"
	18	IPVETH3="192.168.111.2"
	19
	20	IP_LOCAL="192.168.99.1"
	21
	22	TRACE_ROOT=/sys/kernel/debug/tracing
	23
	24	function 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
	37	function 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
	50	function 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
	64	function get_trace {
	65	set +x
	66	cat ${TRACE_ROOT}/trace \| grep -v '^#'
67	set -x
68	}
69
70	function 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
75	function 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
88	function 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 $VETH0
93	fi
94	}
95
96	function filter_trace {
97	# Add newline to allow starting EXPECT= variables on newline
98	NL=$'\n'
99	echo "${NL}$" \| sed -e 's/^.: : //g'
100	}
101
102	function expect_fail {
103	set +x
104	echo "FAIL:"
105	echo "Expected: $1"
106	echo "Got: $2"
107	set -x
108	exit 1
109	}
110
111	function 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
126	function test_start {
127	set +x
128	echo "----------------------------------------------------------------"
129	echo "Starting test: $*"
130	echo "----------------------------------------------------------------"
131	set -x
132	}
133
134	function failure {
135	get_trace
136	echo "FAIL: $*"
137	exit 1
138	}
139
140	function 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)" "
147	len 84 hash 0 protocol 8
148	cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
149	len 84 hash 0 protocol 8
150	cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX
151	len 84 hash 0 protocol 8
152	cb 1234 ingress_ifindex 0 ifindex $DST_IFINDEX" \|\| exit 1
153	remove_prog xmit
154	}
155
156	function 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)" "
163	len 84 hash 0 protocol 0
164	cb 1234 ingress_ifindex 0 ifindex 0
165	len 84 hash 0 protocol 0
166	cb 1234 ingress_ifindex 0 ifindex 0
167	len 84 hash 0 protocol 0
168	cb 1234 ingress_ifindex 0 ifindex 0" \|\| exit 1
169	remove_prog out
170	}
171
172	function 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)" "
181	len 84 hash 0 protocol 8
182	cb 1234 ingress_ifindex 1 ifindex 1
183	len 84 hash 0 protocol 8
184	cb 1234 ingress_ifindex 1 ifindex 1
185	len 84 hash 0 protocol 8
186	cb 1234 ingress_ifindex 1 ifindex 1
187	len 84 hash 0 protocol 8
188	cb 1234 ingress_ifindex 1 ifindex 1
189	len 84 hash 0 protocol 8
190	cb 1234 ingress_ifindex 1 ifindex 1
191	len 84 hash 0 protocol 8
192	cb 1234 ingress_ifindex 1 ifindex 1" \|\| exit 1
193	remove_prog in
194	}
195
196	function 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)" "
203	src: 1fea8c0 dst: 2fea8c0
204	src: 1fea8c0 dst: 2fea8c0
205	src: 1fea8c0 dst: 2fea8c0" \|\| exit 1
206	remove_prog $1
207	}
208
209	function 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)" "
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
223	src: 163a8c0 dst: 163a8c0" \|\| exit 1
224	remove_prog in
225	}
226
227	function 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)" "
234	cb0: 0 cb1: 0 cb2: 0
235	cb3: 0 cb4: 0
236	cb0: 0 cb1: 0 cb2: 0
237	cb3: 0 cb4: 0
238	cb0: 0 cb1: 0 cb2: 0
239	cb3: 0 cb4: 0" \|\| exit 1
240	remove_prog $1
241	}
242
243	function 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)" "
252	cb0: 0 cb1: 0 cb2: 0
253	cb3: 0 cb4: 0
254	cb0: 0 cb1: 0 cb2: 0
255	cb3: 0 cb4: 0
256	cb0: 0 cb1: 0 cb2: 0
257	cb3: 0 cb4: 0
258	cb0: 0 cb1: 0 cb2: 0
259	cb3: 0 cb4: 0
260	cb0: 0 cb1: 0 cb2: 0
261	cb3: 0 cb4: 0
262	cb0: 0 cb1: 0 cb2: 0
263	cb3: 0 cb4: 0" \|\| exit 1
264	remove_prog in
265	}
266
267	function 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)" "
274	dropping with: 2
275	dropping with: 2
276	dropping with: 2" \|\| exit 1
277	remove_prog $1
278	}
279
280	function 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)" "
287	dropping with: 2
288	dropping with: 2
289	dropping with: 2" \|\| exit 1
290	remove_prog in
291	}
292
293	function 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)" "
300	redirected to $DST_IFINDEX
301	redirected to $DST_IFINDEX
302	redirected to $DST_IFINDEX" \|\| exit 1
303	remove_prog xmit
304	}
305
306	function 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)" "
313	redirected to $DST_IFINDEX
314	redirected to $DST_IFINDEX
315	redirected to $DST_IFINDEX" \|\| exit 1
316	remove_prog xmit
317	}
318
319	function 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)" "
326	out: rewriting from 2fea8c0 to 3fea8c0
327	out: rewriting from 2fea8c0 to 3fea8c0
328	out: rewriting from 2fea8c0 to 3fea8c0" \|\| exit 1
329	remove_prog out
330	}
331
332	function 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)" "
339	Set initial 96 bytes of header to FF
340	Set initial 96 bytes of header to FF
341	Set initial 96 bytes of header to FF" \|\| exit 1
342	remove_prog xmit
343	}
344
345	function 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
355	function 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
365	cleanup
366	setup_one_veth $NS1 $VETH0 $VETH1 $IPVETH0 $IPVETH1 $IPVETH1b
367	setup_one_veth $NS2 $VETH2 $VETH3 $IPVETH2 $IPVETH3
368	ip netns exec $NS1 netserver
369	echo 1 > ${TRACE_ROOT}/tracing_on
370
371	DST_MAC=$(lookup_mac $VETH1 $NS1)
372	SRC_MAC=$(lookup_mac $VETH0)
373	DST_IFINDEX=$(cat /sys/class/net/$VETH0/ifindex)
374
375	CLANG_OPTS="-O2 -target bpf -I ../include/"
376	CLANG_OPTS+=" -DSRC_MAC=$SRC_MAC -DDST_MAC=$DST_MAC -DDST_IFINDEX=$DST_IFINDEX"
377	clang $CLANG_OPTS -c test_lwt_bpf.c -o test_lwt_bpf.o
378
379	test_ctx_xmit
380	test_ctx_out
381	test_ctx_in
382	test_data "xmit"
383	test_data "out"
384	test_data_in
385	test_cb "xmit"
386	test_cb "out"
387	test_cb_in
388	test_drop_all "xmit"
389	test_drop_all "out"
390	test_drop_all_in
391	test_rewrite
392	test_push_ll_and_redirect
393	test_no_l2_and_redirect
394	test_fill_garbage
395	test_netperf_nop
396	test_netperf_redirect
397
398	cleanup
399	echo 0 > ${TRACE_ROOT}/tracing_on
400	exit 0