2 # SPDX-License-Identifier: GPL-2.0
4 # Run a series of udpgro functional tests.
8 readonly PEER_NS="ns-peer-$(mktemp -u XXXXXX)"
10 # set global exit status, but never reset nonzero one.
13 if [ $ret -eq 0 ]; then
19 local -r jobs="$(jobs -p)"
20 local -r ns="$(ip netns list|grep $PEER_NS)"
22 [ -n "${jobs}" ] && kill -1 ${jobs} 2>/dev/null
23 [ -n "$ns" ] && ip netns del $ns 2>/dev/null
28 ip netns add "${PEER_NS}"
29 ip -netns "${PEER_NS}" link set lo up
31 ip link set dev veth0 up
32 ip addr add dev veth0 192.168.1.2/24
33 ip addr add dev veth0 2001:db8::2/64 nodad
35 ip link set dev veth1 netns "${PEER_NS}"
36 ip -netns "${PEER_NS}" addr add dev veth1 192.168.1.1/24
37 ip -netns "${PEER_NS}" addr add dev veth1 2001:db8::1/64 nodad
38 ip -netns "${PEER_NS}" link set dev veth1 up
39 ip netns exec "${PEER_NS}" ethtool -K veth1 gro on
43 # use 'rx' as separator between sender args and receiver args
45 local -r tx_args=${all%rx*}
46 local -r rx_args=${all#*rx}
51 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} &
54 wait_local_port_listen ${PEER_NS} 8000 udp
55 ./udpgso_bench_tx ${tx_args}
59 [ "$ret" -eq 0 ] && echo "ok" || echo "failed"
67 ./in_netns.sh $0 __subprocess $2 rx -G -r $3
71 # use 'rx' as separator between sender args and receiver args
72 local addr1 addr2 pid family="" ipt_cmd=ip6tables
74 local -r tx_args=${all%rx*}
75 local -r rx_args=${all#*rx}
78 if [[ ${tx_args} = *-4* ]]; then
85 addr2="2001:db8::3/64 nodad"
89 ip -netns "${PEER_NS}" addr add dev veth1 ${addr2}
91 # fool the GRO engine changing the destination address ...
92 ip netns exec "${PEER_NS}" $ipt_cmd -t nat -I PREROUTING -d ${addr1} -j DNAT --to-destination ${addr2%/*}
94 # ... so that GRO will match the UDP_GRO enabled socket, but packets
95 # will land on the 'plain' one
96 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -G ${family} -b ${addr1} -n 0 &
98 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${family} -b ${addr2%/*} ${rx_args} &
101 wait_local_port_listen "${PEER_NS}" 8000 udp
102 ./udpgso_bench_tx ${tx_args}
107 [ "$ret" -eq 0 ] && echo "ok" || echo "failed"
112 # use 'rx' as separator between sender args and receiver args
114 local -r tx_args=${all%rx*}
115 local -r rx_args=${all#*rx}
120 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 1000 -R 10 ${rx_args} -p 12345 &
122 ip netns exec "${PEER_NS}" ./udpgso_bench_rx -C 2000 -R 10 ${rx_args} &
125 wait_local_port_listen "${PEER_NS}" 12345 udp
126 ./udpgso_bench_tx ${tx_args} -p 12345
128 wait_local_port_listen "${PEER_NS}" 8000 udp
129 ./udpgso_bench_tx ${tx_args}
135 [ "$ret" -eq 0 ] && echo "ok" || echo "failed"
143 ./in_netns.sh $0 __subprocess_nat $2 rx -r $3
150 ./in_netns.sh $0 __subprocess_2sock $2 rx -G -r $3
154 local -r core_args="-l 4"
155 local -r ipv4_args="${core_args} -4 -D 192.168.1.1"
156 local -r ipv6_args="${core_args} -6 -D 2001:db8::1"
160 run_test "no GRO" "${ipv4_args} -M 10 -s 1400" "-4 -n 10 -l 1400"
163 # explicitly check we are not receiving UDP_SEGMENT cmsg (-S -1)
164 # when GRO does not take place
165 run_test "no GRO chk cmsg" "${ipv4_args} -M 10 -s 1400" "-4 -n 10 -l 1400 -S -1"
168 # the GSO packets are aggregated because:
169 # * veth schedule napi after each xmit
170 # * segmentation happens in BH context, veth napi poll is delayed after
171 # the transmission of the last segment
172 run_test "GRO" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720"
174 run_test "GRO chk cmsg" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720 -S 1472"
176 run_test "GRO with custom segment size" "${ipv4_args} -M 1 -s 14720 -S 500 " "-4 -n 1 -l 14720"
178 run_test "GRO with custom segment size cmsg" "${ipv4_args} -M 1 -s 14720 -S 500 " "-4 -n 1 -l 14720 -S 500"
181 run_nat_test "bad GRO lookup" "${ipv4_args} -M 1 -s 14720 -S 0" "-n 10 -l 1472"
183 run_2sock_test "multiple GRO socks" "${ipv4_args} -M 1 -s 14720 -S 0 " "-4 -n 1 -l 14720 -S 1472"
187 run_test "no GRO" "${ipv6_args} -M 10 -s 1400" "-n 10 -l 1400"
189 run_test "no GRO chk cmsg" "${ipv6_args} -M 10 -s 1400" "-n 10 -l 1400 -S -1"
191 run_test "GRO" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 1 -l 14520"
193 run_test "GRO chk cmsg" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 1 -l 14520 -S 1452"
195 run_test "GRO with custom segment size" "${ipv6_args} -M 1 -s 14520 -S 500" "-n 1 -l 14520"
197 run_test "GRO with custom segment size cmsg" "${ipv6_args} -M 1 -s 14520 -S 500" "-n 1 -l 14520 -S 500"
200 run_nat_test "bad GRO lookup" "${ipv6_args} -M 1 -s 14520 -S 0" "-n 10 -l 1452"
202 run_2sock_test "multiple GRO socks" "${ipv6_args} -M 1 -s 14520 -S 0 " "-n 1 -l 14520 -S 1452"
207 if [[ $# -eq 0 ]]; then
209 elif [[ $1 == "__subprocess" ]]; then
212 elif [[ $1 == "__subprocess_nat" ]]; then
215 elif [[ $1 == "__subprocess_2sock" ]]; then