START sys/net/loop 2021-02-21T19:22:34Z ==== busy-rdomains ==== # Check if rdomains are busy. ==== ifconfig ==== sleep 2 # XXX pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni' *** Error 1 in target 'stamp-stop' (ignored) rm -f stamp-bpf* # Destroy interfaces. ifconfig lo11 127.0.0.1 delete ifconfig: SIOCDIFADDR: Can't assign requested address *** Error 1 in target 'unconfig' (ignored) ifconfig lo11 127.0.0.11 delete ifconfig: SIOCDIFADDR: Can't assign requested address *** Error 1 in target 'unconfig' (ignored) ifconfig lo12 127.0.0.1 delete ifconfig: SIOCDIFADDR: Can't assign requested address *** Error 1 in target 'unconfig' (ignored) ifconfig lo12 127.0.0.12 delete ifconfig: SIOCDIFADDR: Can't assign requested address *** Error 1 in target 'unconfig' (ignored) rm -f stamp-ifconfig # Create and configure loopback interfaces. ifconfig lo11 rdomain 11 ifconfig lo11 inet 127.0.0.1/8 ifconfig lo11 inet 127.0.0.11 alias route -n -T 11 add -inet -host 10.6.6.6 127.0.0.1 add host 10.6.6.6: gateway 127.0.0.1 route -n -T 11 add -inet -host 10.7.7.7 127.0.0.1 add host 10.7.7.7: gateway 127.0.0.1 ifconfig lo12 rdomain 12 ifconfig lo12 inet 127.0.0.1/8 ifconfig lo12 inet 127.0.0.12 alias route -n -T 12 add -inet -host 10.6.6.6 127.0.0.1 add host 10.6.6.6: gateway 127.0.0.1 route -n -T 12 add -inet -host 10.7.7.7 127.0.0.1 add host 10.7.7.7: gateway 127.0.0.1 route -n -T 11 add -inet -host 127.0.0.12 127.0.0.1 add host 127.0.0.12: gateway 127.0.0.1 route -n -T 12 add -inet -host 127.0.0.11 127.0.0.1 add host 127.0.0.11: gateway 127.0.0.1 ==== pfctl ==== # Create python include file containing the addresses. rm -f addr.py addr.py.tmp echo 'N1="11"' >>addr.py.tmp echo 'IF_N1="lo11"' >>addr.py.tmp echo 'ADDR_N1="127.0.0.11"' >>addr.py.tmp echo 'N2="12"' >>addr.py.tmp echo 'IF_N2="lo12"' >>addr.py.tmp echo 'ADDR_N2="127.0.0.12"' >>addr.py.tmp mv addr.py.tmp addr.py # Load the pf rules into the kernel. cat addr.py /usr/src/regress/sys/net/loop/pf.conf | /sbin/pfctl -n -f - cat addr.py /usr/src/regress/sys/net/loop/pf.conf | pfctl -a regress -f - ==== run-ping-local-11 ==== rm -f lo11.tcpdump pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo11' || true /usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo11 >lo11.tcpdump & rm -f stamp-stop rm -f lo12.tcpdump pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo12' || true /usr/sbin/tcpdump -l -e -vvv -s 2048 -ni lo12 >lo12.tcpdump & rm -f stamp-stop sleep 2 # XXX tcpdump: listening on lo11, link-type LOOP tcpdump: listening on lo12, link-type LOOP # Ping localhost in routing domain 11. /sbin/ping -n -w 1 -c 1 -V 11 127.0.0.1 PING 127.0.0.1 (127.0.0.1): 56 data bytes 64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=0.223 ms --- 127.0.0.1 ping statistics --- 1 packets transmitted, 1 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 0.223/0.223/0.223/0.000 ms ==== run-ping-loop-11 ==== # Ping non existing address with loopback route in routing domain 11. ! /sbin/ping -n -w 1 -c 1 -V 11 10.6.6.6 PING 10.6.6.6 (10.6.6.6): 56 data bytes --- 10.6.6.6 ping statistics --- 1 packets transmitted, 0 packets received, 100.0% packet loss ==== run-ping-address-11 ==== # Ping local address in routing domain 11. /sbin/ping -n -w 1 -c 1 -V 11 127.0.0.11 PING 127.0.0.11 (127.0.0.11): 56 data bytes 64 bytes from 127.0.0.11: icmp_seq=0 ttl=255 time=0.191 ms --- 127.0.0.11 ping statistics --- 1 packets transmitted, 1 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 0.191/0.191/0.191/0.000 ms ==== run-ping-local-12 ==== # Ping localhost in routing domain 12. /sbin/ping -n -w 1 -c 1 -V 12 127.0.0.1 PING 127.0.0.1 (127.0.0.1): 56 data bytes 64 bytes from 127.0.0.1: icmp_seq=0 ttl=255 time=0.232 ms --- 127.0.0.1 ping statistics --- 1 packets transmitted, 1 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 0.232/0.232/0.232/0.000 ms ==== run-ping-loop-12 ==== # Ping non existing address with loopback route in routing domain 12. ! /sbin/ping -n -w 1 -c 1 -V 12 10.6.6.6 PING 10.6.6.6 (10.6.6.6): 56 data bytes --- 10.6.6.6 ping statistics --- 1 packets transmitted, 0 packets received, 100.0% packet loss ==== run-ping-address-12 ==== # Ping local address in routing domain 12. /sbin/ping -n -w 1 -c 1 -V 12 127.0.0.12 PING 127.0.0.12 (127.0.0.12): 56 data bytes 64 bytes from 127.0.0.12: icmp_seq=0 ttl=255 time=0.221 ms --- 127.0.0.12 ping statistics --- 1 packets transmitted, 1 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 0.221/0.221/0.221/0.000 ms ==== run-ping-rdomain-pass ==== # Pass ping packets between routing domains with pf rule. /sbin/ping -n -w 1 -c 1 -V 11 127.0.0.12 PING 127.0.0.12 (127.0.0.12): 56 data bytes 64 bytes from 127.0.0.12: icmp_seq=0 ttl=255 time=0.213 ms --- 127.0.0.12 ping statistics --- 1 packets transmitted, 1 packets received, 0.0% packet loss round-trip min/avg/max/std-dev = 0.213/0.213/0.213/0.000 ms ==== run-ping-rdomain-block ==== # Check that reverse direction without pf rule is not allowed. ! /sbin/ping -n -w 1 -c 1 -V 12 127.0.0.11 PING 127.0.0.11 (127.0.0.11): 56 data bytes --- 127.0.0.11 ping statistics --- 1 packets transmitted, 0 packets received, 100.0% packet loss ==== run-ping-rdomain-loop ==== # Ping non existing address and loop between routing domains. ! /sbin/ping -n -w 1 -c 1 -V 11 10.7.7.7 PING 10.7.7.7 (10.7.7.7): 56 data bytes --- 10.7.7.7 ping statistics --- 1 packets transmitted, 0 packets received, 100.0% packet loss ==== run-bpf-local-11 ==== sleep 2 # XXX pkill -f '^/usr/sbin/tcpdump -l -e -vvv -s 2048 -ni' 488 packets received by filter 0 packets dropped by kernel 489 packets received by filter 0 packets dropped by kernel rm -f stamp-bpf* # Check that the ping packet went through loopback. grep '127.0.0.1 > 127.0.0.1: icmp: echo request' lo11.tcpdump 20:22:40.245506 127.0.0.1 > 127.0.0.1: icmp: echo request (id:1b53 seq:0) [icmp cksum ok] (ttl 255, id 60957, len 84) ==== run-bpf-loop-11 ==== # Check that the ping packet went multiple times through loopback. grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .*ttl 255,' lo11.tcpdump 20:22:40.431157 127.0.0.1 > 10.6.6.6: icmp: echo request (id:5b96 seq:0) [icmp cksum ok] (ttl 255, id 56354, len 84) grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .* \[ttl 1\]' lo11.tcpdump 20:22:40.435958 127.0.0.1 > 10.6.6.6: icmp: echo request (id:5b96 seq:0) [icmp cksum ok] [ttl 1] (id 56354, len 84) ==== run-bpf-local-12 ==== # Check that the ping packet went through loopback. grep '127.0.0.1 > 127.0.0.1: icmp: echo request' lo12.tcpdump 20:22:42.792728 127.0.0.1 > 127.0.0.1: icmp: echo request (id:3e51 seq:0) [icmp cksum ok] (ttl 255, id 35485, len 84) ==== run-bpf-loop-12 ==== # Check that the ping packet went multiple times through loopback. grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .*ttl 255,' lo12.tcpdump 20:22:42.975290 127.0.0.1 > 10.6.6.6: icmp: echo request (id:f9db seq:0) [icmp cksum ok] (ttl 255, id 15381, len 84) grep '[0-9] 127.0.0.1 > 10.6.6.6: icmp: echo request .* \[ttl 1\]' lo12.tcpdump 20:22:42.980066 127.0.0.1 > 10.6.6.6: icmp: echo request (id:f9db seq:0) [icmp cksum ok] [ttl 1] (id 15381, len 84) ==== run-bpf-rdomain-loop-11 ==== # Check the ping packet went multiple times in routing domains. grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 255,' lo11.tcpdump 20:22:47.720398 127.0.0.1 > 10.7.7.7: icmp: echo request (id:a054 seq:0) [icmp cksum ok] (ttl 255, id 1720, len 84) ! grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 254,' lo11.tcpdump grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .* \[ttl 1\]' lo11.tcpdump 20:22:47.723053 127.0.0.1 > 10.7.7.7: icmp: echo request (id:a054 seq:0) [icmp cksum ok] [ttl 1] (id 1720, len 84) ==== run-bpf-rdomain-loop-12 ==== # Check the ping packet went multiple times in routing domains. grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 254,' lo12.tcpdump 20:22:47.720451 127.0.0.1 > 10.7.7.7: icmp: echo request (id:a054 seq:0) [icmp cksum ok] (ttl 254, id 1720, len 84) grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .*ttl 2,' lo12.tcpdump 20:22:47.723043 127.0.0.1 > 10.7.7.7: icmp: echo request (id:a054 seq:0) [icmp cksum ok] (ttl 2, id 1720, len 84) ! grep '[0-9] 127.0.0.1 > 10.7.7.7: icmp: echo request .* \[ttl 1\]' lo12.tcpdump ==== unconfig ==== # Destroy interfaces. ifconfig lo11 127.0.0.1 delete ifconfig lo11 127.0.0.11 delete ifconfig lo12 127.0.0.1 delete ifconfig lo12 127.0.0.12 delete rm -f stamp-ifconfig PASS sys/net/loop Duration 0m18.81s