net/mptcp/mptcp_connect.sh

150 mptcp_lib_check_tools ip tc
168 ip link add ns1eth2 netns "$ns1" type veth peer name ns2eth1 netns "$ns2"
169 ip link add ns2eth3 netns "$ns2" type veth peer name ns3eth2 netns "$ns3"
170 ip link add ns3eth4 netns "$ns3" type veth peer name ns4eth3 netns "$ns4"
172 ip -net "$ns1" addr add 10.0.1.1/24 dev ns1eth2
173 ip -net "$ns1" addr add dead:beef:1::1/64 dev ns1eth2 nodad
175 ip -net "$ns1" link set ns1eth2 up
176 ip -net "$ns1" route add default via 10.0.1.2
177 ip -net "$ns1" route add default via dead:beef:1::2
179 ip -net "$ns2" addr add 10.0.1.2/24 dev ns2eth1
180 ip -net "$ns2" addr add dead:beef:1::2/64 dev ns2eth1 nodad
181 ip -net "$ns2" link set ns2eth1 up
183 ip -net "$ns2" addr add 10.0.2.1/24 dev ns2eth3
184 ip -net "$ns2" addr add dead:beef:2::1/64 dev ns2eth3 nodad
185 ip -net "$ns2" link set ns2eth3 up
186 ip -net "$ns2" route add default via 10.0.2.2
187 ip -net "$ns2" route add default via dead:beef:2::2
188 ip netns exec "$ns2" sysctl -q net.ipv4.ip_forward=1
189 ip netns exec "$ns2" sysctl -q net.ipv6.conf.all.forwarding=1
191 ip -net "$ns3" addr add 10.0.2.2/24 dev ns3eth2
192 ip -net "$ns3" addr add dead:beef:2::2/64 dev ns3eth2 nodad
193 ip -net "$ns3" link set ns3eth2 up
195 ip -net "$ns3" addr add 10.0.3.2/24 dev ns3eth4
196 ip -net "$ns3" addr add dead:beef:3::2/64 dev ns3eth4 nodad
197 ip -net "$ns3" link set ns3eth4 up
198 ip -net "$ns3" route add default via 10.0.2.1
199 ip -net "$ns3" route add default via dead:beef:2::1
200 ip netns exec "$ns3" sysctl -q net.ipv4.ip_forward=1
201 ip netns exec "$ns3" sysctl -q net.ipv6.conf.all.forwarding=1
203 ip -net "$ns4" addr add 10.0.3.1/24 dev ns4eth3
204 ip -net "$ns4" addr add dead:beef:3::1/64 dev ns4eth3 nodad
205 ip -net "$ns4" link set ns4eth3 up
206 ip -net "$ns4" route add default via 10.0.3.2
207 ip -net "$ns4" route add default via dead:beef:3::2
211 		ip netns exec $i sysctl -q net.mptcp.checksum_enabled=1
220 	if ip netns exec $ns ethtool -K $dev $flags 2>/dev/null; then
263 	if [ "$(ip netns exec ${disabled_ns} sysctl net.mptcp.enabled | awk '{ print $3 }')" -ne 1 ]; then
269 	ip netns exec ${disabled_ns} sysctl -q net.mptcp.enabled=0
272 	LC_ALL=C ip netns exec ${disabled_ns} ./mptcp_connect -p 10000 -s MPTCP 127.0.0.1 < "$cin" 2>&1 | \
301 	ip netns exec ${connector_ns} ping ${ping_args} $connect_addr >/dev/null || rc=1
364 		ip netns exec ${listener_ns}  tcpdump ${capopt} -w "${capfile}-listener.pcap"  >> "${capout}" 2>&1 &
367 		ip netns exec ${connector_ns} tcpdump ${capopt} -w "${capfile}-connector.pcap" >> "${capout}" 2>&1 &
373 	NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
376 		NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
396 		ip netns exec ${listener_ns} \
406 		ip netns exec ${connector_ns} \
425 	NSTAT_HISTORY=/tmp/${listener_ns}.nstat ip netns exec ${listener_ns} \
428 		NSTAT_HISTORY=/tmp/${connector_ns}.nstat ip netns exec ${connector_ns} \
439 		ip netns exec ${listener_ns} ss -Menita 1>&2 -o "sport = :$port"
442 		ip netns exec ${connector_ns} ss -Menita 1>&2 -o "dport = :$port"
473 	cookies=$(ip netns exec ${listener_ns} sysctl net.ipv4.tcp_syncookies)
685 	if ! ip netns exec "$listener_ns" nft -f /dev/stdin <<"EOF"
711 	if ! ip -net "$listener_ns" $r6flag rule add fwmark 1 lookup 100; then
712 		ip netns exec "$listener_ns" nft flush ruleset
713 		mptcp_lib_pr_skip "$msg, ip $r6flag rule failed"
714 		mptcp_lib_fail_if_expected_feature "ip rule"
719 	if ! ip -net "$listener_ns" route add local $local_addr/0 dev lo table 100; then
720 		ip netns exec "$listener_ns" nft flush ruleset
721 		ip -net "$listener_ns" $r6flag rule del fwmark 1 lookup 100
722 		mptcp_lib_pr_skip "$msg, ip route add local $local_addr failed"
723 		mptcp_lib_fail_if_expected_feature "ip route"
736 	ip netns exec "$listener_ns" nft flush ruleset
737 	ip -net "$listener_ns" $r6flag rule del fwmark 1 lookup 100
738 	ip -net "$listener_ns" route del local $local_addr/0 dev lo table 100
771 	ip netns exec "$ns1" sysctl -q net.ipv4.tcp_fastopen=2
772 	ip netns exec "$ns2" sysctl -q net.ipv4.tcp_fastopen=1
780 	ip netns exec "$ns1" sysctl -q net.ipv4.tcp_fastopen=0
781 	ip netns exec "$ns2" sysctl -q net.ipv4.tcp_fastopen=0
919 		ip netns exec "$ns2" sysctl -q net.ipv4.tcp_syncookies=2
921 		ip netns exec "$ns2" sysctl -q net.ipv4.tcp_syncookies=1
951 # connect to ns4 ip address, ns2 should intercept/proxy