selftests/net: convert fib_nexthops.sh to run it in unique namespace
Here is the test result after conversion. ]# ./fib_nexthops.sh Basic functional tests ---------------------- TEST: List with nothing defined [ OK ] TEST: Nexthop get on non-existent id [ OK ] ... TEST: IPv6 resilient nexthop group torture test [ OK ] Tests passed: 234 Tests failed: 0 Acked-by: David Ahern <dsahern@kernel.org> Signed-off-by: Hangbin Liu <liuhangbin@gmail.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Tested-by: Ido Schimmel <idosch@nvidia.com> Link: https://lore.kernel.org/r/20231213060856.4030084-10-liuhangbin@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Hangbin Liu
Jakub Kicinski
parent
d2168ea792
commit
39333e3167
@ -14,6 +14,7 @@
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# objects. Device reference counts and network namespace cleanup tested
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# by use of network namespace for peer.
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source lib.sh
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ret=0
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# Kselftest framework requirement - SKIP code is 4.
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ksft_skip=4
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@ -148,13 +149,7 @@ create_ns()
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{
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local n=${1}
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ip netns del ${n} 2>/dev/null
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set -e
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ip netns add ${n}
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ip netns set ${n} $((nsid++))
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ip -netns ${n} addr add 127.0.0.1/8 dev lo
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ip -netns ${n} link set lo up
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ip netns exec ${n} sysctl -qw net.ipv4.ip_forward=1
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ip netns exec ${n} sysctl -qw net.ipv4.fib_multipath_use_neigh=1
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@ -173,12 +168,13 @@ setup()
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{
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cleanup
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create_ns me
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create_ns peer
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create_ns remote
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setup_ns me peer remote
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create_ns $me
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create_ns $peer
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create_ns $remote
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IP="ip -netns me"
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BRIDGE="bridge -netns me"
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IP="ip -netns $me"
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BRIDGE="bridge -netns $me"
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set -e
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$IP li add veth1 type veth peer name veth2
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$IP li set veth1 up
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@ -190,24 +186,24 @@ setup()
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$IP addr add 172.16.2.1/24 dev veth3
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$IP -6 addr add 2001:db8:92::1/64 dev veth3 nodad
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$IP li set veth2 netns peer up
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ip -netns peer addr add 172.16.1.2/24 dev veth2
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ip -netns peer -6 addr add 2001:db8:91::2/64 dev veth2 nodad
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$IP li set veth2 netns $peer up
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ip -netns $peer addr add 172.16.1.2/24 dev veth2
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ip -netns $peer -6 addr add 2001:db8:91::2/64 dev veth2 nodad
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$IP li set veth4 netns peer up
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ip -netns peer addr add 172.16.2.2/24 dev veth4
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ip -netns peer -6 addr add 2001:db8:92::2/64 dev veth4 nodad
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$IP li set veth4 netns $peer up
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ip -netns $peer addr add 172.16.2.2/24 dev veth4
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ip -netns $peer -6 addr add 2001:db8:92::2/64 dev veth4 nodad
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ip -netns remote li add veth5 type veth peer name veth6
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ip -netns remote li set veth5 up
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ip -netns remote addr add dev veth5 172.16.101.1/24
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ip -netns remote -6 addr add dev veth5 2001:db8:101::1/64 nodad
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ip -netns remote ro add 172.16.0.0/22 via 172.16.101.2
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ip -netns remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2
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ip -netns $remote li add veth5 type veth peer name veth6
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ip -netns $remote li set veth5 up
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ip -netns $remote addr add dev veth5 172.16.101.1/24
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ip -netns $remote -6 addr add dev veth5 2001:db8:101::1/64 nodad
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ip -netns $remote ro add 172.16.0.0/22 via 172.16.101.2
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ip -netns $remote -6 ro add 2001:db8:90::/40 via 2001:db8:101::2
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ip -netns remote li set veth6 netns peer up
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ip -netns peer addr add dev veth6 172.16.101.2/24
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ip -netns peer -6 addr add dev veth6 2001:db8:101::2/64 nodad
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ip -netns $remote li set veth6 netns $peer up
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ip -netns $peer addr add dev veth6 172.16.101.2/24
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ip -netns $peer -6 addr add dev veth6 2001:db8:101::2/64 nodad
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set +e
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}
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@ -215,7 +211,7 @@ cleanup()
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{
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local ns
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for ns in me peer remote; do
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for ns in $me $peer $remote; do
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ip netns del ${ns} 2>/dev/null
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done
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}
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@ -779,7 +775,7 @@ ipv6_grp_refs()
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run_cmd "$IP route add 2001:db8:101::1/128 nhid 102"
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# create per-cpu dsts through nh 100
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run_cmd "ip netns exec me mausezahn -6 veth1.10 -B 2001:db8:101::1 -A 2001:db8:91::1 -c 5 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1"
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run_cmd "ip netns exec $me mausezahn -6 veth1.10 -B 2001:db8:101::1 -A 2001:db8:91::1 -c 5 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1"
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# remove nh 100 from the group to delete the route potentially leaving
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# a stale per-cpu dst which holds a reference to the nexthop's net
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@ -805,7 +801,7 @@ ipv6_grp_refs()
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# if a reference was lost this command will hang because the net device
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# cannot be removed
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timeout -s KILL 5 ip netns exec me ip link del veth1.10 >/dev/null 2>&1
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timeout -s KILL 5 ip netns exec $me ip link del veth1.10 >/dev/null 2>&1
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# we can't cleanup if the command is hung trying to delete the netdev
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if [ $? -eq 137 ]; then
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@ -1012,13 +1008,13 @@ ipv6_fcnal_runtime()
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log_test $? 0 "Route delete"
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run_cmd "$IP ro add 2001:db8:101::1/128 nhid 81"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 0 "Ping with nexthop"
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run_cmd "$IP nexthop add id 82 via 2001:db8:92::2 dev veth3"
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run_cmd "$IP nexthop add id 122 group 81/82"
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run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 0 "Ping - multipath"
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#
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@ -1026,26 +1022,26 @@ ipv6_fcnal_runtime()
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#
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run_cmd "$IP -6 nexthop add id 83 blackhole"
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run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 83"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 2 "Ping - blackhole"
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run_cmd "$IP nexthop replace id 83 via 2001:db8:91::2 dev veth1"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 0 "Ping - blackhole replaced with gateway"
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run_cmd "$IP -6 nexthop replace id 83 blackhole"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 2 "Ping - gateway replaced by blackhole"
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run_cmd "$IP ro replace 2001:db8:101::1/128 nhid 122"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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if [ $? -eq 0 ]; then
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run_cmd "$IP nexthop replace id 122 group 83"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 2 "Ping - group with blackhole"
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run_cmd "$IP nexthop replace id 122 group 81/82"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 0 "Ping - group blackhole replaced with gateways"
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else
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log_test 2 0 "Ping - multipath failed"
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@ -1128,15 +1124,15 @@ ipv6_fcnal_runtime()
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# rpfilter and default route
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$IP nexthop flush >/dev/null 2>&1
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run_cmd "ip netns exec me ip6tables -t mangle -I PREROUTING 1 -m rpfilter --invert -j DROP"
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run_cmd "ip netns exec $me ip6tables -t mangle -I PREROUTING 1 -m rpfilter --invert -j DROP"
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run_cmd "$IP nexthop add id 91 via 2001:db8:91::2 dev veth1"
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run_cmd "$IP nexthop add id 92 via 2001:db8:92::2 dev veth3"
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run_cmd "$IP nexthop add id 93 group 91/92"
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run_cmd "$IP -6 ro add default nhid 91"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 0 "Nexthop with default route and rpfilter"
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run_cmd "$IP -6 ro replace default nhid 93"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 2001:db8:101::1"
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log_test $? 0 "Nexthop with multipath default route and rpfilter"
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# TO-DO:
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@ -1216,11 +1212,11 @@ ipv6_torture()
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pid1=$!
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ipv6_grp_replace_loop &
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pid2=$!
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ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
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ip netns exec $me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
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pid3=$!
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ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
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ip netns exec $me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
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pid4=$!
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ip netns exec me mausezahn -6 veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
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ip netns exec $me mausezahn -6 veth1 -B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
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pid5=$!
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sleep 300
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@ -1270,11 +1266,11 @@ ipv6_res_torture()
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pid1=$!
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ipv6_res_grp_replace_loop &
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pid2=$!
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ip netns exec me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
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ip netns exec $me ping -f 2001:db8:101::1 >/dev/null 2>&1 &
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pid3=$!
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ip netns exec me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
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ip netns exec $me ping -f 2001:db8:101::2 >/dev/null 2>&1 &
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pid4=$!
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ip netns exec me mausezahn -6 veth1 \
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ip netns exec $me mausezahn -6 veth1 \
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-B 2001:db8:101::2 -A 2001:db8:91::1 -c 0 \
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-t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
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pid5=$!
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@ -1544,7 +1540,7 @@ ipv4_withv6_fcnal()
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local lladdr
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set -e
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lladdr=$(get_linklocal veth2 peer)
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lladdr=$(get_linklocal veth2 $peer)
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run_cmd "$IP nexthop add id 11 via ${lladdr} dev veth1"
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set +e
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run_cmd "$IP ro add 172.16.101.1/32 nhid 11"
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@ -1606,13 +1602,13 @@ ipv4_fcnal_runtime()
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#
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run_cmd "$IP nexthop replace id 21 via 172.16.1.2 dev veth1"
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run_cmd "$IP ro replace 172.16.101.1/32 nhid 21"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "Basic ping"
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run_cmd "$IP nexthop replace id 22 via 172.16.2.2 dev veth3"
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run_cmd "$IP nexthop add id 122 group 21/22"
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run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "Ping - multipath"
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run_cmd "$IP ro delete 172.16.101.1/32 nhid 122"
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@ -1623,7 +1619,7 @@ ipv4_fcnal_runtime()
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run_cmd "$IP nexthop add id 501 via 172.16.1.2 dev veth1"
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run_cmd "$IP ro add default nhid 501"
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run_cmd "$IP ro add default via 172.16.1.3 dev veth1 metric 20"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "Ping - multiple default routes, nh first"
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# flip the order
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@ -1632,7 +1628,7 @@ ipv4_fcnal_runtime()
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run_cmd "$IP ro add default via 172.16.1.2 dev veth1 metric 20"
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run_cmd "$IP nexthop replace id 501 via 172.16.1.3 dev veth1"
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run_cmd "$IP ro add default nhid 501 metric 20"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "Ping - multiple default routes, nh second"
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run_cmd "$IP nexthop delete nhid 501"
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@ -1643,26 +1639,26 @@ ipv4_fcnal_runtime()
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#
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run_cmd "$IP nexthop add id 23 blackhole"
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run_cmd "$IP ro replace 172.16.101.1/32 nhid 23"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 2 "Ping - blackhole"
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run_cmd "$IP nexthop replace id 23 via 172.16.1.2 dev veth1"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "Ping - blackhole replaced with gateway"
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run_cmd "$IP nexthop replace id 23 blackhole"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 2 "Ping - gateway replaced by blackhole"
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run_cmd "$IP ro replace 172.16.101.1/32 nhid 122"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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if [ $? -eq 0 ]; then
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run_cmd "$IP nexthop replace id 122 group 23"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 2 "Ping - group with blackhole"
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run_cmd "$IP nexthop replace id 122 group 21/22"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "Ping - group blackhole replaced with gateways"
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else
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log_test 2 0 "Ping - multipath failed"
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@ -1685,11 +1681,11 @@ ipv4_fcnal_runtime()
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# IPv4 with IPv6
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#
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set -e
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lladdr=$(get_linklocal veth2 peer)
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lladdr=$(get_linklocal veth2 $peer)
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run_cmd "$IP nexthop add id 24 via ${lladdr} dev veth1"
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set +e
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run_cmd "$IP ro replace 172.16.101.1/32 nhid 24"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "IPv6 nexthop with IPv4 route"
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$IP neigh sh | grep -q "${lladdr} dev veth1"
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@ -1713,11 +1709,11 @@ ipv4_fcnal_runtime()
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check_route "172.16.101.1" "172.16.101.1 nhid 101 nexthop via inet6 ${lladdr} dev veth1 weight 1 nexthop via 172.16.1.2 dev veth1 weight 1"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "IPv6 nexthop with IPv4 route"
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run_cmd "$IP ro replace 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "IPv4 route with IPv6 gateway"
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$IP neigh sh | grep -q "${lladdr} dev veth1"
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@ -1734,7 +1730,7 @@ ipv4_fcnal_runtime()
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run_cmd "$IP ro del 172.16.101.1/32 via inet6 ${lladdr} dev veth1"
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run_cmd "$IP -4 ro add default via inet6 ${lladdr} dev veth1"
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run_cmd "ip netns exec me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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run_cmd "ip netns exec $me ping -c1 -w$PING_TIMEOUT 172.16.101.1"
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log_test $? 0 "IPv4 default route with IPv6 gateway"
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#
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@ -1785,7 +1781,7 @@ sysctl_nexthop_compat_mode_check()
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local sysctlname="net.ipv4.nexthop_compat_mode"
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local lprefix=$1
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IPE="ip netns exec me"
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IPE="ip netns exec $me"
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|
||||
$IPE sysctl -q $sysctlname 2>&1 >/dev/null
|
||||
if [ $? -ne 0 ]; then
|
||||
@ -1804,7 +1800,7 @@ sysctl_nexthop_compat_mode_set()
|
||||
local mode=$1
|
||||
local lprefix=$2
|
||||
|
||||
IPE="ip netns exec me"
|
||||
IPE="ip netns exec $me"
|
||||
|
||||
out=$($IPE sysctl -w $sysctlname=$mode)
|
||||
log_test $? 0 "$lprefix set compat mode - $mode"
|
||||
@ -1988,11 +1984,11 @@ ipv4_torture()
|
||||
pid1=$!
|
||||
ipv4_grp_replace_loop &
|
||||
pid2=$!
|
||||
ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 &
|
||||
ip netns exec $me ping -f 172.16.101.1 >/dev/null 2>&1 &
|
||||
pid3=$!
|
||||
ip netns exec me ping -f 172.16.101.2 >/dev/null 2>&1 &
|
||||
ip netns exec $me ping -f 172.16.101.2 >/dev/null 2>&1 &
|
||||
pid4=$!
|
||||
ip netns exec me mausezahn veth1 -B 172.16.101.2 -A 172.16.1.1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
|
||||
ip netns exec $me mausezahn veth1 -B 172.16.101.2 -A 172.16.1.1 -c 0 -t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
|
||||
pid5=$!
|
||||
|
||||
sleep 300
|
||||
@ -2042,11 +2038,11 @@ ipv4_res_torture()
|
||||
pid1=$!
|
||||
ipv4_res_grp_replace_loop &
|
||||
pid2=$!
|
||||
ip netns exec me ping -f 172.16.101.1 >/dev/null 2>&1 &
|
||||
ip netns exec $me ping -f 172.16.101.1 >/dev/null 2>&1 &
|
||||
pid3=$!
|
||||
ip netns exec me ping -f 172.16.101.2 >/dev/null 2>&1 &
|
||||
ip netns exec $me ping -f 172.16.101.2 >/dev/null 2>&1 &
|
||||
pid4=$!
|
||||
ip netns exec me mausezahn veth1 \
|
||||
ip netns exec $me mausezahn veth1 \
|
||||
-B 172.16.101.2 -A 172.16.1.1 -c 0 \
|
||||
-t tcp "dp=1-1023, flags=syn" >/dev/null 2>&1 &
|
||||
pid5=$!
|
||||
@ -2081,10 +2077,10 @@ basic()
|
||||
|
||||
# create nh with linkdown device - fails
|
||||
$IP li set veth1 up
|
||||
ip -netns peer li set veth2 down
|
||||
ip -netns $peer li set veth2 down
|
||||
run_cmd "$IP nexthop add id 1 dev veth1"
|
||||
log_test $? 2 "Nexthop with device that is linkdown"
|
||||
ip -netns peer li set veth2 up
|
||||
ip -netns $peer li set veth2 up
|
||||
|
||||
# device only
|
||||
run_cmd "$IP nexthop add id 1 dev veth1"
|
||||
@ -2465,7 +2461,7 @@ fi
|
||||
for t in $TESTS
|
||||
do
|
||||
case $t in
|
||||
none) IP="ip -netns peer"; setup; exit 0;;
|
||||
none) IP="ip -netns $peer"; setup; exit 0;;
|
||||
*) setup; $t; cleanup;;
|
||||
esac
|
||||
done
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user