fib_tests: Add tests for metrics on routes
Add ipv4 and ipv6 test cases for metrics (mtu) when fib entries are created. Can be used with kmemleak to see leaks with both fib entries and dst_entry. Signed-off-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>hifive-unleashed-5.1
David Ahern
David S. Miller
parent
1620a33695
commit
a0e11da78f
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@ -9,11 +9,11 @@ ret=0
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ksft_skip=4
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# all tests in this script. Can be overridden with -t option
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TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric"
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TESTS="unregister down carrier nexthop ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics"
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VERBOSE=0
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PAUSE_ON_FAIL=no
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PAUSE=no
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IP="ip -netns testns"
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IP="ip -netns ns1"
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log_test()
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{
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@ -47,8 +47,10 @@ log_test()
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setup()
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{
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set -e
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ip netns add testns
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ip netns add ns1
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$IP link set dev lo up
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ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
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ip netns exec ns1 sysctl -qw net.ipv6.conf.all.forwarding=1
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$IP link add dummy0 type dummy
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$IP link set dev dummy0 up
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@ -61,7 +63,8 @@ setup()
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cleanup()
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{
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$IP link del dev dummy0 &> /dev/null
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ip netns del testns
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ip netns del ns1
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ip netns del ns2 &> /dev/null
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}
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get_linklocal()
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@ -639,11 +642,14 @@ add_initial_route6()
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check_route6()
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{
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local pfx="2001:db8:104::/64"
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local pfx
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local expected="$1"
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local out
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local rc=0
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set -- $expected
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pfx=$1
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out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
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[ "${out}" = "${expected}" ] && return 0
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@ -690,28 +696,33 @@ route_setup()
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[ "${VERBOSE}" = "1" ] && set -x
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set -e
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$IP li add red up type vrf table 101
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ip netns add ns2
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ip -netns ns2 link set dev lo up
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ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1
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ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1
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$IP li add veth1 type veth peer name veth2
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$IP li add veth3 type veth peer name veth4
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$IP li set veth1 up
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$IP li set veth3 up
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$IP li set veth2 vrf red up
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$IP li set veth4 vrf red up
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$IP li add dummy1 type dummy
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$IP li set dummy1 vrf red up
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$IP li set veth2 netns ns2 up
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$IP li set veth4 netns ns2 up
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ip -netns ns2 li add dummy1 type dummy
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ip -netns ns2 li set dummy1 up
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$IP -6 addr add 2001:db8:101::1/64 dev veth1
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$IP -6 addr add 2001:db8:101::2/64 dev veth2
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$IP -6 addr add 2001:db8:103::1/64 dev veth3
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$IP -6 addr add 2001:db8:103::2/64 dev veth4
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$IP -6 addr add 2001:db8:104::1/64 dev dummy1
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$IP addr add 172.16.101.1/24 dev veth1
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$IP addr add 172.16.101.2/24 dev veth2
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$IP addr add 172.16.103.1/24 dev veth3
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$IP addr add 172.16.103.2/24 dev veth4
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$IP addr add 172.16.104.1/24 dev dummy1
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ip -netns ns2 -6 addr add 2001:db8:101::2/64 dev veth2
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ip -netns ns2 -6 addr add 2001:db8:103::2/64 dev veth4
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ip -netns ns2 -6 addr add 2001:db8:104::1/64 dev dummy1
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ip -netns ns2 addr add 172.16.101.2/24 dev veth2
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ip -netns ns2 addr add 172.16.103.2/24 dev veth4
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ip -netns ns2 addr add 172.16.104.1/24 dev dummy1
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set +ex
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}
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@ -944,7 +955,7 @@ ipv6_addr_metric_test()
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log_test $rc 0 "Modify metric of address"
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# verify prefix route removed on down
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run_cmd "ip netns exec testns sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1"
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run_cmd "ip netns exec ns1 sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1"
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run_cmd "$IP li set dev dummy2 down"
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rc=$?
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if [ $rc -eq 0 ]; then
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@ -967,6 +978,74 @@ ipv6_addr_metric_test()
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cleanup
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}
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ipv6_route_metrics_test()
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{
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local rc
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echo
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echo "IPv6 routes with metrics"
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route_setup
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#
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# single path with metrics
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#
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run_cmd "$IP -6 ro add 2001:db8:111::/64 via 2001:db8:101::2 mtu 1400"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route6 "2001:db8:111::/64 via 2001:db8:101::2 dev veth1 metric 1024 mtu 1400"
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rc=$?
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fi
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log_test $rc 0 "Single path route with mtu metric"
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#
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# multipath via separate routes with metrics
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#
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run_cmd "$IP -6 ro add 2001:db8:112::/64 via 2001:db8:101::2 mtu 1400"
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run_cmd "$IP -6 ro append 2001:db8:112::/64 via 2001:db8:103::2"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route6 "2001:db8:112::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
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rc=$?
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fi
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log_test $rc 0 "Multipath route via 2 single routes with mtu metric on first"
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# second route is coalesced to first to make a multipath route.
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# MTU of the second path is hidden from display!
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run_cmd "$IP -6 ro add 2001:db8:113::/64 via 2001:db8:101::2"
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run_cmd "$IP -6 ro append 2001:db8:113::/64 via 2001:db8:103::2 mtu 1400"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route6 "2001:db8:113::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
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rc=$?
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fi
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log_test $rc 0 "Multipath route via 2 single routes with mtu metric on 2nd"
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run_cmd "$IP -6 ro del 2001:db8:113::/64 via 2001:db8:101::2"
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if [ $? -eq 0 ]; then
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check_route6 "2001:db8:113::/64 via 2001:db8:103::2 dev veth3 metric 1024 mtu 1400"
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log_test $? 0 " MTU of second leg"
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fi
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#
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# multipath with metrics
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#
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run_cmd "$IP -6 ro add 2001:db8:115::/64 mtu 1400 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route6 "2001:db8:115::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
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rc=$?
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fi
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log_test $rc 0 "Multipath route with mtu metric"
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$IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300
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run_cmd "ip netns exec ns1 ping6 -w1 -c1 -s 1500 2001:db8:104::1"
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log_test $? 0 "Using route with mtu metric"
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route_cleanup
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}
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# add route for a prefix, flushing any existing routes first
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# expected to be the first step of a test
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add_route()
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@ -1005,11 +1084,15 @@ add_initial_route()
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check_route()
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{
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local pfx="172.16.104.0/24"
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local pfx
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local expected="$1"
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local out
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local rc=0
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set -- $expected
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pfx=$1
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[ "${pfx}" = "unreachable" ] && pfx=$2
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out=$($IP ro ls match ${pfx})
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[ "${out}" = "${expected}" ] && return 0
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@ -1319,6 +1402,40 @@ ipv4_addr_metric_test()
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cleanup
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}
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ipv4_route_metrics_test()
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{
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local rc
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echo
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echo "IPv4 route add / append tests"
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route_setup
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run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 mtu 1400"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route "172.16.111.0/24 via 172.16.101.2 dev veth1 mtu 1400"
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rc=$?
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fi
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log_test $rc 0 "Single path route with mtu metric"
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run_cmd "$IP ro add 172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 nexthop via 172.16.103.2"
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rc=$?
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if [ $rc -eq 0 ]; then
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check_route "172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
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rc=$?
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fi
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log_test $rc 0 "Multipath route with mtu metric"
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$IP ro add 172.16.104.0/24 via 172.16.101.2 mtu 1300
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run_cmd "ip netns exec ns1 ping -w1 -c1 -s 1500 172.16.104.1"
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log_test $? 0 "Using route with mtu metric"
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route_cleanup
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}
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################################################################################
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# usage
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@ -1385,6 +1502,8 @@ do
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ipv4_route_test|ipv4_rt) ipv4_route_test;;
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ipv6_addr_metric) ipv6_addr_metric_test;;
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ipv4_addr_metric) ipv4_addr_metric_test;;
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ipv6_route_metrics) ipv6_route_metrics_test;;
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ipv4_route_metrics) ipv4_route_metrics_test;;
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help) echo "Test names: $TESTS"; exit 0;;
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esac
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