selftests/net/udpgro.sh

2 # SPDX-License-Identifier: GPL-2.0
6 readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
9 	local -r jobs="$(jobs -p)"
10 	local -r ns="$(ip netns list|grep $PEER_NS)"
12 	[ -n "${jobs}" ] && kill -1 ${jobs} 2>/dev/null
13 	[ -n "$ns" ] && ip netns del $ns 2>/dev/null
19 	ip -netns "${PEER_NS}" link set lo up
26 	ip -netns "${PEER_NS}" addr add dev veth1 192.168.1.1/24
27 	ip -netns "${PEER_NS}" addr add dev veth1 2001:db8::1/64 nodad
28 	ip -netns "${PEER_NS}" link set dev veth1 up
29 	ip -n "${PEER_NS}" link set veth1 xdp object ../bpf/xdp_dummy.o section xdp_dummy
33 	# use 'rx' as separator between sender args and receiver args
34 	local -r all="$@"
35 	local -r tx_args=${all%rx*}
36 	local -r rx_args=${all#*rx}
40 	ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} && \
47 	wait $(jobs -p)
51 	local -r args=$@
53 	printf " %-40s" "$1"
54 	./in_netns.sh $0 __subprocess $2 rx -G -r $3
58 	# use 'rx' as separator between sender args and receiver args
60 	local -r all="$@"
61 	local -r tx_args=${all%rx*}
62 	local -r rx_args=${all#*rx}
64 	if [[ ${tx_args} = *-4* ]]; then
66 		family=-4
75 	ip -netns "${PEER_NS}" addr add dev veth1 ${addr2}
78 …ip netns exec "${PEER_NS}" $ipt_cmd -t nat -I PREROUTING -d ${addr1} -j DNAT --to-destination ${ad…
82 	ip netns exec "${PEER_NS}" ./udpgso_bench_rx -G ${family} -b ${addr1} -n 0 &
84 	ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${family} -b ${addr2%/*} ${rx_args} && \
90 	kill -INT $pid
91 	wait $(jobs -p)
95 	# use 'rx' as separator between sender args and receiver args
96 	local -r all="$@"
97 	local -r tx_args=${all%rx*}
98 	local -r rx_args=${all#*rx}
102 	ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} -p 12345 &
103 	ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 2000 -R 10 ${rx_args} && \
109 	./udpgso_bench_tx ${tx_args} -p 12345
113 	wait $(jobs -p)
117 	local -r args=$@
119 	printf " %-40s" "$1"
120 	./in_netns.sh $0 __subprocess_nat $2 rx -r $3
124 	local -r args=$@
126 	printf " %-40s" "$1"
127 	./in_netns.sh $0 __subprocess_2sock $2 rx -G -r $3
131 	local -r core_args="-l 4"
132 	local -r ipv4_args="${core_args} -4 -D 192.168.1.1"
133 	local -r ipv6_args="${core_args} -6 -D 2001:db8::1"
136 	run_test "no GRO" "${ipv4_args} -M 10 -s 1400" "-4 -n 10 -l 1400"
138 	# explicitly check we are not receiving UDP_SEGMENT cmsg (-S -1)
140 	run_test "no GRO chk cmsg" "${ipv4_args} -M 10 -s 1400" "-4 -n 10 -l 1400 -S -1"
146 	run_test "GRO" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720"
147 	run_test "GRO chk cmsg" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720 -S 1472"
148 	run_test "GRO with custom segment size" "${ipv4_args} -M 1 -s 14720 -S 500 " "-4 -n 1 -l 14720"
149 …test "GRO with custom segment size cmsg" "${ipv4_args} -M 1 -s 14720 -S 500 " "-4 -n 1 -l 14720 -S…
151 	run_nat_test "bad GRO lookup" "${ipv4_args} -M 1 -s 14720 -S 0" "-n 10 -l 1472"
152 	run_2sock_test "multiple GRO socks" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720 -S 1472"
155 	run_test "no GRO" "${ipv6_args} -M 10 -s 1400" "-n 10 -l 1400"
156 	run_test "no GRO chk cmsg" "${ipv6_args} -M 10 -s 1400" "-n 10 -l 1400 -S -1"
157 	run_test "GRO" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 1 -l 14520"
158 	run_test "GRO chk cmsg" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 1 -l 14520 -S 1452"
159 	run_test "GRO with custom segment size" "${ipv6_args} -M 1 -s 14520 -S 500" "-n 1 -l 14520"
160 …run_test "GRO with custom segment size cmsg" "${ipv6_args} -M 1 -s 14520 -S 500" "-n 1 -l 14520 -S…
162 	run_nat_test "bad GRO lookup" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 10 -l 1452"
163 	run_2sock_test "multiple GRO socks" "${ipv6_args} -M 1 -s 14520 -S 0 " "-n 1 -l 14520 -S 1452"
166 if [ ! -f ../bpf/xdp_dummy.o ]; then
168 	exit -1
171 if [[ $# -eq 0 ]]; then