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d226b1df36
In the end of the test, there will be an error message induced by the
`ip netns del ns1` command in cleanup()
Tests passed: 201
Tests failed: 0
Cannot remove namespace file "/run/netns/ns1": No such file or directory
This can even be reproduced with just `./fib_tests.sh -h` as we're
calling cleanup() on exit.
Redirect the error message to /dev/null to mute it.
V2: Update commit message and fixes tag.
V3: resubmit due to missing netdev ML in V2
Fixes: b60417a9f2 ("selftest: fib_tests: Always cleanup before exit")
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Simon Horman <simon.horman@corigine.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2231 lines
62 KiB
Bash
Executable File
2231 lines
62 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# This test is for checking IPv4 and IPv6 FIB behavior in response to
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# different events.
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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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# all tests in this script. Can be overridden with -t option
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TESTS="unregister down carrier nexthop suppress ipv6_notify ipv4_notify ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw rp_filter ipv4_del_addr ipv4_mangle ipv6_mangle ipv4_bcast_neigh"
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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 ns1"
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NS_EXEC="ip netns exec ns1"
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which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
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log_test()
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{
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local rc=$1
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local expected=$2
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local msg="$3"
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if [ ${rc} -eq ${expected} ]; then
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printf " TEST: %-60s [ OK ]\n" "${msg}"
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nsuccess=$((nsuccess+1))
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else
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ret=1
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nfail=$((nfail+1))
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printf " TEST: %-60s [FAIL]\n" "${msg}"
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if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
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echo
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echo "hit enter to continue, 'q' to quit"
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read a
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[ "$a" = "q" ] && exit 1
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fi
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fi
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if [ "${PAUSE}" = "yes" ]; then
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echo
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echo "hit enter to continue, 'q' to quit"
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read a
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[ "$a" = "q" ] && exit 1
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fi
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}
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setup()
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{
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set -e
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ip netns add ns1
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ip netns set ns1 auto
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$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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$IP address add 198.51.100.1/24 dev dummy0
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$IP -6 address add 2001:db8:1::1/64 dev dummy0
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set +e
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}
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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 ns1 &> /dev/null
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ip netns del ns2 &> /dev/null
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}
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get_linklocal()
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{
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local dev=$1
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local addr
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addr=$($IP -6 -br addr show dev ${dev} | \
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awk '{
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for (i = 3; i <= NF; ++i) {
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if ($i ~ /^fe80/)
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print $i
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}
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}'
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)
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addr=${addr/\/*}
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[ -z "$addr" ] && return 1
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echo $addr
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return 0
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}
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fib_unreg_unicast_test()
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{
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echo
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echo "Single path route test"
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setup
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echo " Start point"
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$IP route get fibmatch 198.51.100.2 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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set -e
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$IP link del dev dummy0
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set +e
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echo " Nexthop device deleted"
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$IP route get fibmatch 198.51.100.2 &> /dev/null
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log_test $? 2 "IPv4 fibmatch - no route"
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$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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log_test $? 2 "IPv6 fibmatch - no route"
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cleanup
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}
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fib_unreg_multipath_test()
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{
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echo
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echo "Multipath route test"
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setup
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set -e
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$IP link add dummy1 type dummy
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$IP link set dev dummy1 up
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$IP address add 192.0.2.1/24 dev dummy1
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$IP -6 address add 2001:db8:2::1/64 dev dummy1
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$IP route add 203.0.113.0/24 \
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nexthop via 198.51.100.2 dev dummy0 \
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nexthop via 192.0.2.2 dev dummy1
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$IP -6 route add 2001:db8:3::/64 \
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nexthop via 2001:db8:1::2 dev dummy0 \
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nexthop via 2001:db8:2::2 dev dummy1
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set +e
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echo " Start point"
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$IP route get fibmatch 203.0.113.1 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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set -e
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$IP link del dev dummy0
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set +e
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echo " One nexthop device deleted"
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$IP route get fibmatch 203.0.113.1 &> /dev/null
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log_test $? 2 "IPv4 - multipath route removed on delete"
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$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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# In IPv6 we do not flush the entire multipath route.
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log_test $? 0 "IPv6 - multipath down to single path"
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set -e
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$IP link del dev dummy1
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set +e
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echo " Second nexthop device deleted"
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$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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log_test $? 2 "IPv6 - no route"
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cleanup
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}
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fib_unreg_test()
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{
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fib_unreg_unicast_test
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fib_unreg_multipath_test
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}
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fib_down_unicast_test()
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{
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echo
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echo "Single path, admin down"
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setup
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echo " Start point"
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$IP route get fibmatch 198.51.100.2 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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set -e
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$IP link set dev dummy0 down
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set +e
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echo " Route deleted on down"
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$IP route get fibmatch 198.51.100.2 &> /dev/null
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log_test $? 2 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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log_test $? 2 "IPv6 fibmatch"
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cleanup
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}
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fib_down_multipath_test_do()
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{
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local down_dev=$1
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local up_dev=$2
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$IP route get fibmatch 203.0.113.1 \
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oif $down_dev &> /dev/null
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log_test $? 2 "IPv4 fibmatch on down device"
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$IP -6 route get fibmatch 2001:db8:3::1 \
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oif $down_dev &> /dev/null
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log_test $? 2 "IPv6 fibmatch on down device"
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$IP route get fibmatch 203.0.113.1 \
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oif $up_dev &> /dev/null
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log_test $? 0 "IPv4 fibmatch on up device"
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$IP -6 route get fibmatch 2001:db8:3::1 \
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oif $up_dev &> /dev/null
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log_test $? 0 "IPv6 fibmatch on up device"
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$IP route get fibmatch 203.0.113.1 | \
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grep $down_dev | grep -q "dead linkdown"
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log_test $? 0 "IPv4 flags on down device"
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$IP -6 route get fibmatch 2001:db8:3::1 | \
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grep $down_dev | grep -q "dead linkdown"
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log_test $? 0 "IPv6 flags on down device"
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$IP route get fibmatch 203.0.113.1 | \
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grep $up_dev | grep -q "dead linkdown"
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log_test $? 1 "IPv4 flags on up device"
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$IP -6 route get fibmatch 2001:db8:3::1 | \
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grep $up_dev | grep -q "dead linkdown"
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log_test $? 1 "IPv6 flags on up device"
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}
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fib_down_multipath_test()
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{
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echo
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echo "Admin down multipath"
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setup
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set -e
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$IP link add dummy1 type dummy
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$IP link set dev dummy1 up
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$IP address add 192.0.2.1/24 dev dummy1
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$IP -6 address add 2001:db8:2::1/64 dev dummy1
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$IP route add 203.0.113.0/24 \
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nexthop via 198.51.100.2 dev dummy0 \
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nexthop via 192.0.2.2 dev dummy1
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$IP -6 route add 2001:db8:3::/64 \
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nexthop via 2001:db8:1::2 dev dummy0 \
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nexthop via 2001:db8:2::2 dev dummy1
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set +e
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echo " Verify start point"
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$IP route get fibmatch 203.0.113.1 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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set -e
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$IP link set dev dummy0 down
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set +e
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echo " One device down, one up"
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fib_down_multipath_test_do "dummy0" "dummy1"
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set -e
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$IP link set dev dummy0 up
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$IP link set dev dummy1 down
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set +e
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echo " Other device down and up"
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fib_down_multipath_test_do "dummy1" "dummy0"
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set -e
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$IP link set dev dummy0 down
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set +e
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echo " Both devices down"
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$IP route get fibmatch 203.0.113.1 &> /dev/null
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log_test $? 2 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
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log_test $? 2 "IPv6 fibmatch"
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$IP link del dev dummy1
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cleanup
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}
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fib_down_test()
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{
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fib_down_unicast_test
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fib_down_multipath_test
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}
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# Local routes should not be affected when carrier changes.
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fib_carrier_local_test()
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{
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echo
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echo "Local carrier tests - single path"
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setup
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set -e
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$IP link set dev dummy0 carrier on
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set +e
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echo " Start point"
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$IP route get fibmatch 198.51.100.1 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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$IP route get fibmatch 198.51.100.1 | \
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grep -q "linkdown"
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log_test $? 1 "IPv4 - no linkdown flag"
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$IP -6 route get fibmatch 2001:db8:1::1 | \
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grep -q "linkdown"
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log_test $? 1 "IPv6 - no linkdown flag"
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set -e
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$IP link set dev dummy0 carrier off
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sleep 1
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set +e
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echo " Carrier off on nexthop"
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$IP route get fibmatch 198.51.100.1 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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$IP route get fibmatch 198.51.100.1 | \
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grep -q "linkdown"
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log_test $? 1 "IPv4 - linkdown flag set"
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$IP -6 route get fibmatch 2001:db8:1::1 | \
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grep -q "linkdown"
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log_test $? 1 "IPv6 - linkdown flag set"
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set -e
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$IP address add 192.0.2.1/24 dev dummy0
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$IP -6 address add 2001:db8:2::1/64 dev dummy0
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set +e
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echo " Route to local address with carrier down"
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$IP route get fibmatch 192.0.2.1 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:2::1 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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$IP route get fibmatch 192.0.2.1 | \
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grep -q "linkdown"
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log_test $? 1 "IPv4 linkdown flag set"
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$IP -6 route get fibmatch 2001:db8:2::1 | \
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grep -q "linkdown"
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log_test $? 1 "IPv6 linkdown flag set"
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cleanup
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}
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fib_carrier_unicast_test()
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{
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ret=0
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echo
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echo "Single path route carrier test"
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setup
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set -e
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$IP link set dev dummy0 carrier on
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set +e
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echo " Start point"
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$IP route get fibmatch 198.51.100.2 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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$IP route get fibmatch 198.51.100.2 | \
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grep -q "linkdown"
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log_test $? 1 "IPv4 no linkdown flag"
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$IP -6 route get fibmatch 2001:db8:1::2 | \
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grep -q "linkdown"
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log_test $? 1 "IPv6 no linkdown flag"
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set -e
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$IP link set dev dummy0 carrier off
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sleep 1
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set +e
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echo " Carrier down"
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$IP route get fibmatch 198.51.100.2 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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$IP route get fibmatch 198.51.100.2 | \
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grep -q "linkdown"
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log_test $? 0 "IPv4 linkdown flag set"
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$IP -6 route get fibmatch 2001:db8:1::2 | \
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grep -q "linkdown"
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log_test $? 0 "IPv6 linkdown flag set"
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set -e
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$IP address add 192.0.2.1/24 dev dummy0
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$IP -6 address add 2001:db8:2::1/64 dev dummy0
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set +e
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echo " Second address added with carrier down"
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$IP route get fibmatch 192.0.2.2 &> /dev/null
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log_test $? 0 "IPv4 fibmatch"
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$IP -6 route get fibmatch 2001:db8:2::2 &> /dev/null
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log_test $? 0 "IPv6 fibmatch"
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$IP route get fibmatch 192.0.2.2 | \
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grep -q "linkdown"
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log_test $? 0 "IPv4 linkdown flag set"
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$IP -6 route get fibmatch 2001:db8:2::2 | \
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grep -q "linkdown"
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log_test $? 0 "IPv6 linkdown flag set"
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cleanup
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}
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fib_carrier_test()
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{
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fib_carrier_local_test
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fib_carrier_unicast_test
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}
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fib_rp_filter_test()
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{
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echo
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echo "IPv4 rp_filter tests"
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setup
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set -e
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ip netns add ns2
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ip netns set ns2 auto
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ip -netns ns2 link set dev lo up
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$IP link add name veth1 type veth peer name veth2
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$IP link set dev veth2 netns ns2
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$IP address add 192.0.2.1/24 dev veth1
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ip -netns ns2 address add 192.0.2.1/24 dev veth2
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$IP link set dev veth1 up
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ip -netns ns2 link set dev veth2 up
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$IP link set dev lo address 52:54:00:6a:c7:5e
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$IP link set dev veth1 address 52:54:00:6a:c7:5e
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ip -netns ns2 link set dev lo address 52:54:00:6a:c7:5e
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ip -netns ns2 link set dev veth2 address 52:54:00:6a:c7:5e
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# 1. (ns2) redirect lo's egress to veth2's egress
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ip netns exec ns2 tc qdisc add dev lo parent root handle 1: fq_codel
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ip netns exec ns2 tc filter add dev lo parent 1: protocol arp basic \
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action mirred egress redirect dev veth2
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ip netns exec ns2 tc filter add dev lo parent 1: protocol ip basic \
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action mirred egress redirect dev veth2
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# 2. (ns1) redirect veth1's ingress to lo's ingress
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$NS_EXEC tc qdisc add dev veth1 ingress
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$NS_EXEC tc filter add dev veth1 ingress protocol arp basic \
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action mirred ingress redirect dev lo
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$NS_EXEC tc filter add dev veth1 ingress protocol ip basic \
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action mirred ingress redirect dev lo
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# 3. (ns1) redirect lo's egress to veth1's egress
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$NS_EXEC tc qdisc add dev lo parent root handle 1: fq_codel
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$NS_EXEC tc filter add dev lo parent 1: protocol arp basic \
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action mirred egress redirect dev veth1
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$NS_EXEC tc filter add dev lo parent 1: protocol ip basic \
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action mirred egress redirect dev veth1
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# 4. (ns2) redirect veth2's ingress to lo's ingress
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ip netns exec ns2 tc qdisc add dev veth2 ingress
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ip netns exec ns2 tc filter add dev veth2 ingress protocol arp basic \
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action mirred ingress redirect dev lo
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ip netns exec ns2 tc filter add dev veth2 ingress protocol ip basic \
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action mirred ingress redirect dev lo
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|
|
$NS_EXEC sysctl -qw net.ipv4.conf.all.rp_filter=1
|
|
$NS_EXEC sysctl -qw net.ipv4.conf.all.accept_local=1
|
|
$NS_EXEC sysctl -qw net.ipv4.conf.all.route_localnet=1
|
|
ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=1
|
|
ip netns exec ns2 sysctl -qw net.ipv4.conf.all.accept_local=1
|
|
ip netns exec ns2 sysctl -qw net.ipv4.conf.all.route_localnet=1
|
|
set +e
|
|
|
|
run_cmd "ip netns exec ns2 ping -w1 -c1 192.0.2.1"
|
|
log_test $? 0 "rp_filter passes local packets"
|
|
|
|
run_cmd "ip netns exec ns2 ping -w1 -c1 127.0.0.1"
|
|
log_test $? 0 "rp_filter passes loopback packets"
|
|
|
|
cleanup
|
|
}
|
|
|
|
################################################################################
|
|
# Tests on nexthop spec
|
|
|
|
# run 'ip route add' with given spec
|
|
add_rt()
|
|
{
|
|
local desc="$1"
|
|
local erc=$2
|
|
local vrf=$3
|
|
local pfx=$4
|
|
local gw=$5
|
|
local dev=$6
|
|
local cmd out rc
|
|
|
|
[ "$vrf" = "-" ] && vrf="default"
|
|
[ -n "$gw" ] && gw="via $gw"
|
|
[ -n "$dev" ] && dev="dev $dev"
|
|
|
|
cmd="$IP route add vrf $vrf $pfx $gw $dev"
|
|
if [ "$VERBOSE" = "1" ]; then
|
|
printf "\n COMMAND: $cmd\n"
|
|
fi
|
|
|
|
out=$(eval $cmd 2>&1)
|
|
rc=$?
|
|
if [ "$VERBOSE" = "1" -a -n "$out" ]; then
|
|
echo " $out"
|
|
fi
|
|
log_test $rc $erc "$desc"
|
|
}
|
|
|
|
fib4_nexthop()
|
|
{
|
|
echo
|
|
echo "IPv4 nexthop tests"
|
|
|
|
echo "<<< write me >>>"
|
|
}
|
|
|
|
fib6_nexthop()
|
|
{
|
|
local lldummy=$(get_linklocal dummy0)
|
|
local llv1=$(get_linklocal dummy0)
|
|
|
|
if [ -z "$lldummy" ]; then
|
|
echo "Failed to get linklocal address for dummy0"
|
|
return 1
|
|
fi
|
|
if [ -z "$llv1" ]; then
|
|
echo "Failed to get linklocal address for veth1"
|
|
return 1
|
|
fi
|
|
|
|
echo
|
|
echo "IPv6 nexthop tests"
|
|
|
|
add_rt "Directly connected nexthop, unicast address" 0 \
|
|
- 2001:db8:101::/64 2001:db8:1::2
|
|
add_rt "Directly connected nexthop, unicast address with device" 0 \
|
|
- 2001:db8:102::/64 2001:db8:1::2 "dummy0"
|
|
add_rt "Gateway is linklocal address" 0 \
|
|
- 2001:db8:103::1/64 $llv1 "veth0"
|
|
|
|
# fails because LL address requires a device
|
|
add_rt "Gateway is linklocal address, no device" 2 \
|
|
- 2001:db8:104::1/64 $llv1
|
|
|
|
# local address can not be a gateway
|
|
add_rt "Gateway can not be local unicast address" 2 \
|
|
- 2001:db8:105::/64 2001:db8:1::1
|
|
add_rt "Gateway can not be local unicast address, with device" 2 \
|
|
- 2001:db8:106::/64 2001:db8:1::1 "dummy0"
|
|
add_rt "Gateway can not be a local linklocal address" 2 \
|
|
- 2001:db8:107::1/64 $lldummy "dummy0"
|
|
|
|
# VRF tests
|
|
add_rt "Gateway can be local address in a VRF" 0 \
|
|
- 2001:db8:108::/64 2001:db8:51::2
|
|
add_rt "Gateway can be local address in a VRF, with device" 0 \
|
|
- 2001:db8:109::/64 2001:db8:51::2 "veth0"
|
|
add_rt "Gateway can be local linklocal address in a VRF" 0 \
|
|
- 2001:db8:110::1/64 $llv1 "veth0"
|
|
|
|
add_rt "Redirect to VRF lookup" 0 \
|
|
- 2001:db8:111::/64 "" "red"
|
|
|
|
add_rt "VRF route, gateway can be local address in default VRF" 0 \
|
|
red 2001:db8:112::/64 2001:db8:51::1
|
|
|
|
# local address in same VRF fails
|
|
add_rt "VRF route, gateway can not be a local address" 2 \
|
|
red 2001:db8:113::1/64 2001:db8:2::1
|
|
add_rt "VRF route, gateway can not be a local addr with device" 2 \
|
|
red 2001:db8:114::1/64 2001:db8:2::1 "dummy1"
|
|
}
|
|
|
|
# Default VRF:
|
|
# dummy0 - 198.51.100.1/24 2001:db8:1::1/64
|
|
# veth0 - 192.0.2.1/24 2001:db8:51::1/64
|
|
#
|
|
# VRF red:
|
|
# dummy1 - 192.168.2.1/24 2001:db8:2::1/64
|
|
# veth1 - 192.0.2.2/24 2001:db8:51::2/64
|
|
#
|
|
# [ dummy0 veth0 ]--[ veth1 dummy1 ]
|
|
|
|
fib_nexthop_test()
|
|
{
|
|
setup
|
|
|
|
set -e
|
|
|
|
$IP -4 rule add pref 32765 table local
|
|
$IP -4 rule del pref 0
|
|
$IP -6 rule add pref 32765 table local
|
|
$IP -6 rule del pref 0
|
|
|
|
$IP link add red type vrf table 1
|
|
$IP link set red up
|
|
$IP -4 route add vrf red unreachable default metric 4278198272
|
|
$IP -6 route add vrf red unreachable default metric 4278198272
|
|
|
|
$IP link add veth0 type veth peer name veth1
|
|
$IP link set dev veth0 up
|
|
$IP address add 192.0.2.1/24 dev veth0
|
|
$IP -6 address add 2001:db8:51::1/64 dev veth0
|
|
|
|
$IP link set dev veth1 vrf red up
|
|
$IP address add 192.0.2.2/24 dev veth1
|
|
$IP -6 address add 2001:db8:51::2/64 dev veth1
|
|
|
|
$IP link add dummy1 type dummy
|
|
$IP link set dev dummy1 vrf red up
|
|
$IP address add 192.168.2.1/24 dev dummy1
|
|
$IP -6 address add 2001:db8:2::1/64 dev dummy1
|
|
set +e
|
|
|
|
sleep 1
|
|
fib4_nexthop
|
|
fib6_nexthop
|
|
|
|
(
|
|
$IP link del dev dummy1
|
|
$IP link del veth0
|
|
$IP link del red
|
|
) 2>/dev/null
|
|
cleanup
|
|
}
|
|
|
|
fib6_notify_test()
|
|
{
|
|
setup
|
|
|
|
echo
|
|
echo "Fib6 info length calculation in route notify test"
|
|
set -e
|
|
|
|
for i in 10 20 30 40 50 60 70;
|
|
do
|
|
$IP link add dummy_$i type dummy
|
|
$IP link set dev dummy_$i up
|
|
$IP -6 address add 2001:$i::1/64 dev dummy_$i
|
|
done
|
|
|
|
$NS_EXEC ip monitor route &> errors.txt &
|
|
sleep 2
|
|
|
|
$IP -6 route add 2001::/64 \
|
|
nexthop via 2001:10::2 dev dummy_10 \
|
|
nexthop encap ip6 dst 2002::20 via 2001:20::2 dev dummy_20 \
|
|
nexthop encap ip6 dst 2002::30 via 2001:30::2 dev dummy_30 \
|
|
nexthop encap ip6 dst 2002::40 via 2001:40::2 dev dummy_40 \
|
|
nexthop encap ip6 dst 2002::50 via 2001:50::2 dev dummy_50 \
|
|
nexthop encap ip6 dst 2002::60 via 2001:60::2 dev dummy_60 \
|
|
nexthop encap ip6 dst 2002::70 via 2001:70::2 dev dummy_70
|
|
|
|
set +e
|
|
|
|
err=`cat errors.txt |grep "Message too long"`
|
|
if [ -z "$err" ];then
|
|
ret=0
|
|
else
|
|
ret=1
|
|
fi
|
|
|
|
log_test $ret 0 "ipv6 route add notify"
|
|
|
|
{ kill %% && wait %%; } 2>/dev/null
|
|
|
|
#rm errors.txt
|
|
|
|
cleanup &> /dev/null
|
|
}
|
|
|
|
|
|
fib_notify_test()
|
|
{
|
|
setup
|
|
|
|
echo
|
|
echo "Fib4 info length calculation in route notify test"
|
|
|
|
set -e
|
|
|
|
for i in 10 20 30 40 50 60 70;
|
|
do
|
|
$IP link add dummy_$i type dummy
|
|
$IP link set dev dummy_$i up
|
|
$IP address add 20.20.$i.2/24 dev dummy_$i
|
|
done
|
|
|
|
$NS_EXEC ip monitor route &> errors.txt &
|
|
sleep 2
|
|
|
|
$IP route add 10.0.0.0/24 \
|
|
nexthop via 20.20.10.1 dev dummy_10 \
|
|
nexthop encap ip dst 192.168.10.20 via 20.20.20.1 dev dummy_20 \
|
|
nexthop encap ip dst 192.168.10.30 via 20.20.30.1 dev dummy_30 \
|
|
nexthop encap ip dst 192.168.10.40 via 20.20.40.1 dev dummy_40 \
|
|
nexthop encap ip dst 192.168.10.50 via 20.20.50.1 dev dummy_50 \
|
|
nexthop encap ip dst 192.168.10.60 via 20.20.60.1 dev dummy_60 \
|
|
nexthop encap ip dst 192.168.10.70 via 20.20.70.1 dev dummy_70
|
|
|
|
set +e
|
|
|
|
err=`cat errors.txt |grep "Message too long"`
|
|
if [ -z "$err" ];then
|
|
ret=0
|
|
else
|
|
ret=1
|
|
fi
|
|
|
|
log_test $ret 0 "ipv4 route add notify"
|
|
|
|
{ kill %% && wait %%; } 2>/dev/null
|
|
|
|
rm errors.txt
|
|
|
|
cleanup &> /dev/null
|
|
}
|
|
|
|
fib_suppress_test()
|
|
{
|
|
echo
|
|
echo "FIB rule with suppress_prefixlength"
|
|
setup
|
|
|
|
$IP link add dummy1 type dummy
|
|
$IP link set dummy1 up
|
|
$IP -6 route add default dev dummy1
|
|
$IP -6 rule add table main suppress_prefixlength 0
|
|
ping -f -c 1000 -W 1 1234::1 >/dev/null 2>&1
|
|
$IP -6 rule del table main suppress_prefixlength 0
|
|
$IP link del dummy1
|
|
|
|
# If we got here without crashing, we're good.
|
|
log_test 0 0 "FIB rule suppress test"
|
|
|
|
cleanup
|
|
}
|
|
|
|
################################################################################
|
|
# Tests on route add and replace
|
|
|
|
run_cmd()
|
|
{
|
|
local cmd="$1"
|
|
local out
|
|
local stderr="2>/dev/null"
|
|
|
|
if [ "$VERBOSE" = "1" ]; then
|
|
printf " COMMAND: $cmd\n"
|
|
stderr=
|
|
fi
|
|
|
|
out=$(eval $cmd $stderr)
|
|
rc=$?
|
|
if [ "$VERBOSE" = "1" -a -n "$out" ]; then
|
|
echo " $out"
|
|
fi
|
|
|
|
[ "$VERBOSE" = "1" ] && echo
|
|
|
|
return $rc
|
|
}
|
|
|
|
check_expected()
|
|
{
|
|
local out="$1"
|
|
local expected="$2"
|
|
local rc=0
|
|
|
|
[ "${out}" = "${expected}" ] && return 0
|
|
|
|
if [ -z "${out}" ]; then
|
|
if [ "$VERBOSE" = "1" ]; then
|
|
printf "\nNo route entry found\n"
|
|
printf "Expected:\n"
|
|
printf " ${expected}\n"
|
|
fi
|
|
return 1
|
|
fi
|
|
|
|
# tricky way to convert output to 1-line without ip's
|
|
# messy '\'; this drops all extra white space
|
|
out=$(echo ${out})
|
|
if [ "${out}" != "${expected}" ]; then
|
|
rc=1
|
|
if [ "${VERBOSE}" = "1" ]; then
|
|
printf " Unexpected route entry. Have:\n"
|
|
printf " ${out}\n"
|
|
printf " Expected:\n"
|
|
printf " ${expected}\n\n"
|
|
fi
|
|
fi
|
|
|
|
return $rc
|
|
}
|
|
|
|
# add route for a prefix, flushing any existing routes first
|
|
# expected to be the first step of a test
|
|
add_route6()
|
|
{
|
|
local pfx="$1"
|
|
local nh="$2"
|
|
local out
|
|
|
|
if [ "$VERBOSE" = "1" ]; then
|
|
echo
|
|
echo " ##################################################"
|
|
echo
|
|
fi
|
|
|
|
run_cmd "$IP -6 ro flush ${pfx}"
|
|
[ $? -ne 0 ] && exit 1
|
|
|
|
out=$($IP -6 ro ls match ${pfx})
|
|
if [ -n "$out" ]; then
|
|
echo "Failed to flush routes for prefix used for tests."
|
|
exit 1
|
|
fi
|
|
|
|
run_cmd "$IP -6 ro add ${pfx} ${nh}"
|
|
if [ $? -ne 0 ]; then
|
|
echo "Failed to add initial route for test."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
# add initial route - used in replace route tests
|
|
add_initial_route6()
|
|
{
|
|
add_route6 "2001:db8:104::/64" "$1"
|
|
}
|
|
|
|
check_route6()
|
|
{
|
|
local pfx
|
|
local expected="$1"
|
|
local out
|
|
local rc=0
|
|
|
|
set -- $expected
|
|
pfx=$1
|
|
|
|
out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
|
|
check_expected "${out}" "${expected}"
|
|
}
|
|
|
|
route_cleanup()
|
|
{
|
|
$IP li del red 2>/dev/null
|
|
$IP li del dummy1 2>/dev/null
|
|
$IP li del veth1 2>/dev/null
|
|
$IP li del veth3 2>/dev/null
|
|
|
|
cleanup &> /dev/null
|
|
}
|
|
|
|
route_setup()
|
|
{
|
|
route_cleanup
|
|
setup
|
|
|
|
[ "${VERBOSE}" = "1" ] && set -x
|
|
set -e
|
|
|
|
ip netns add ns2
|
|
ip netns set ns2 auto
|
|
ip -netns ns2 link set dev lo up
|
|
ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1
|
|
ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1
|
|
|
|
$IP li add veth1 type veth peer name veth2
|
|
$IP li add veth3 type veth peer name veth4
|
|
|
|
$IP li set veth1 up
|
|
$IP li set veth3 up
|
|
$IP li set veth2 netns ns2 up
|
|
$IP li set veth4 netns ns2 up
|
|
ip -netns ns2 li add dummy1 type dummy
|
|
ip -netns ns2 li set dummy1 up
|
|
|
|
$IP -6 addr add 2001:db8:101::1/64 dev veth1 nodad
|
|
$IP -6 addr add 2001:db8:103::1/64 dev veth3 nodad
|
|
$IP addr add 172.16.101.1/24 dev veth1
|
|
$IP addr add 172.16.103.1/24 dev veth3
|
|
|
|
ip -netns ns2 -6 addr add 2001:db8:101::2/64 dev veth2 nodad
|
|
ip -netns ns2 -6 addr add 2001:db8:103::2/64 dev veth4 nodad
|
|
ip -netns ns2 -6 addr add 2001:db8:104::1/64 dev dummy1 nodad
|
|
|
|
ip -netns ns2 addr add 172.16.101.2/24 dev veth2
|
|
ip -netns ns2 addr add 172.16.103.2/24 dev veth4
|
|
ip -netns ns2 addr add 172.16.104.1/24 dev dummy1
|
|
|
|
set +e
|
|
}
|
|
|
|
# assumption is that basic add of a single path route works
|
|
# otherwise just adding an address on an interface is broken
|
|
ipv6_rt_add()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv6 route add / append tests"
|
|
|
|
# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
|
|
add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2"
|
|
log_test $? 2 "Attempt to add duplicate route - gw"
|
|
|
|
# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
|
|
add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro add 2001:db8:104::/64 dev veth3"
|
|
log_test $? 2 "Attempt to add duplicate route - dev only"
|
|
|
|
# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
|
|
add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
|
|
log_test $? 2 "Attempt to add duplicate route - reject route"
|
|
|
|
# route append with same prefix adds a new route
|
|
# - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
|
|
add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2"
|
|
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
|
|
log_test $? 0 "Append nexthop to existing route - gw"
|
|
|
|
# insert mpath directly
|
|
add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
|
|
log_test $? 0 "Add multipath route"
|
|
|
|
add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
run_cmd "$IP -6 ro add 2001:db8:104::/64 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
log_test $? 2 "Attempt to add duplicate multipath route"
|
|
|
|
# insert of a second route without append but different metric
|
|
add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2 metric 512"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::3 metric 256"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Route add with different metrics"
|
|
|
|
run_cmd "$IP -6 ro del 2001:db8:104::/64 metric 512"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route6 "2001:db8:104::/64 via 2001:db8:103::3 dev veth3 metric 256 2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Route delete with metric"
|
|
}
|
|
|
|
ipv6_rt_replace_single()
|
|
{
|
|
# single path with single path
|
|
#
|
|
add_initial_route6 "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:103::2"
|
|
check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
|
|
log_test $? 0 "Single path with single path"
|
|
|
|
# single path with multipath
|
|
#
|
|
add_initial_route6 "nexthop via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::2"
|
|
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
|
|
log_test $? 0 "Single path with multipath"
|
|
|
|
# single path with single path using MULTIPATH attribute
|
|
#
|
|
add_initial_route6 "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:103::2"
|
|
check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
|
|
log_test $? 0 "Single path with single path via multipath attribute"
|
|
|
|
# route replace fails - invalid nexthop
|
|
add_initial_route6 "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:104::2"
|
|
if [ $? -eq 0 ]; then
|
|
# previous command is expected to fail so if it returns 0
|
|
# that means the test failed.
|
|
log_test 0 1 "Invalid nexthop"
|
|
else
|
|
check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024"
|
|
log_test $? 0 "Invalid nexthop"
|
|
fi
|
|
|
|
# replace non-existent route
|
|
# - note use of change versus replace since ip adds NLM_F_CREATE
|
|
# for replace
|
|
add_initial_route6 "via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro change 2001:db8:105::/64 via 2001:db8:101::2"
|
|
log_test $? 2 "Single path - replace of non-existent route"
|
|
}
|
|
|
|
ipv6_rt_replace_mpath()
|
|
{
|
|
# multipath with multipath
|
|
add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
|
|
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::3 dev veth3 weight 1"
|
|
log_test $? 0 "Multipath with multipath"
|
|
|
|
# multipath with single
|
|
add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:101::3"
|
|
check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
|
|
log_test $? 0 "Multipath with single path"
|
|
|
|
# multipath with single
|
|
add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3"
|
|
check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
|
|
log_test $? 0 "Multipath with single path via multipath attribute"
|
|
|
|
# multipath with dev-only
|
|
add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 dev veth1"
|
|
check_route6 "2001:db8:104::/64 dev veth1 metric 1024"
|
|
log_test $? 0 "Multipath with dev-only"
|
|
|
|
# route replace fails - invalid nexthop 1
|
|
add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3"
|
|
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
|
|
log_test $? 0 "Multipath - invalid first nexthop"
|
|
|
|
# route replace fails - invalid nexthop 2
|
|
add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:113::3"
|
|
check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
|
|
log_test $? 0 "Multipath - invalid second nexthop"
|
|
|
|
# multipath non-existent route
|
|
add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
run_cmd "$IP -6 ro change 2001:db8:105::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
|
|
log_test $? 2 "Multipath - replace of non-existent route"
|
|
}
|
|
|
|
ipv6_rt_replace()
|
|
{
|
|
echo
|
|
echo "IPv6 route replace tests"
|
|
|
|
ipv6_rt_replace_single
|
|
ipv6_rt_replace_mpath
|
|
}
|
|
|
|
ipv6_rt_dsfield()
|
|
{
|
|
echo
|
|
echo "IPv6 route with dsfield tests"
|
|
|
|
run_cmd "$IP -6 route flush 2001:db8:102::/64"
|
|
|
|
# IPv6 doesn't support routing based on dsfield
|
|
run_cmd "$IP -6 route add 2001:db8:102::/64 dsfield 0x04 via 2001:db8:101::2"
|
|
log_test $? 2 "Reject route with dsfield"
|
|
}
|
|
|
|
ipv6_route_test()
|
|
{
|
|
route_setup
|
|
|
|
ipv6_rt_add
|
|
ipv6_rt_replace
|
|
ipv6_rt_dsfield
|
|
|
|
route_cleanup
|
|
}
|
|
|
|
ip_addr_metric_check()
|
|
{
|
|
ip addr help 2>&1 | grep -q metric
|
|
if [ $? -ne 0 ]; then
|
|
echo "iproute2 command does not support metric for addresses. Skipping test"
|
|
return 1
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
ipv6_addr_metric_test()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv6 prefix route tests"
|
|
|
|
ip_addr_metric_check || return 1
|
|
|
|
setup
|
|
|
|
set -e
|
|
$IP li add dummy1 type dummy
|
|
$IP li add dummy2 type dummy
|
|
$IP li set dummy1 up
|
|
$IP li set dummy2 up
|
|
|
|
# default entry is metric 256
|
|
run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64"
|
|
run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64"
|
|
set +e
|
|
|
|
check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 256 2001:db8:104::/64 dev dummy2 proto kernel metric 256"
|
|
log_test $? 0 "Default metric"
|
|
|
|
set -e
|
|
run_cmd "$IP -6 addr flush dev dummy1"
|
|
run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64 metric 257"
|
|
set +e
|
|
|
|
check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 256 2001:db8:104::/64 dev dummy1 proto kernel metric 257"
|
|
log_test $? 0 "User specified metric on first device"
|
|
|
|
set -e
|
|
run_cmd "$IP -6 addr flush dev dummy2"
|
|
run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64 metric 258"
|
|
set +e
|
|
|
|
check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 257 2001:db8:104::/64 dev dummy2 proto kernel metric 258"
|
|
log_test $? 0 "User specified metric on second device"
|
|
|
|
run_cmd "$IP -6 addr del dev dummy1 2001:db8:104::1/64 metric 257"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 258"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Delete of address on first device"
|
|
|
|
run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::2/64 metric 259"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Modify metric of address"
|
|
|
|
# verify prefix route removed on down
|
|
run_cmd "ip netns exec ns1 sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1"
|
|
run_cmd "$IP li set dev dummy2 down"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
out=$($IP -6 ro ls match 2001:db8:104::/64)
|
|
check_expected "${out}" ""
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Prefix route removed on link down"
|
|
|
|
# verify prefix route re-inserted with assigned metric
|
|
run_cmd "$IP li set dev dummy2 up"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Prefix route with metric on link up"
|
|
|
|
# verify peer metric added correctly
|
|
set -e
|
|
run_cmd "$IP -6 addr flush dev dummy2"
|
|
run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::1 peer 2001:db8:104::2 metric 260"
|
|
set +e
|
|
|
|
check_route6 "2001:db8:104::1 dev dummy2 proto kernel metric 260"
|
|
log_test $? 0 "Set metric with peer route on local side"
|
|
check_route6 "2001:db8:104::2 dev dummy2 proto kernel metric 260"
|
|
log_test $? 0 "Set metric with peer route on peer side"
|
|
|
|
set -e
|
|
run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::1 peer 2001:db8:104::3 metric 261"
|
|
set +e
|
|
|
|
check_route6 "2001:db8:104::1 dev dummy2 proto kernel metric 261"
|
|
log_test $? 0 "Modify metric and peer address on local side"
|
|
check_route6 "2001:db8:104::3 dev dummy2 proto kernel metric 261"
|
|
log_test $? 0 "Modify metric and peer address on peer side"
|
|
|
|
$IP li del dummy1
|
|
$IP li del dummy2
|
|
cleanup
|
|
}
|
|
|
|
ipv6_route_metrics_test()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv6 routes with metrics"
|
|
|
|
route_setup
|
|
|
|
#
|
|
# single path with metrics
|
|
#
|
|
run_cmd "$IP -6 ro add 2001:db8:111::/64 via 2001:db8:101::2 mtu 1400"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route6 "2001:db8:111::/64 via 2001:db8:101::2 dev veth1 metric 1024 mtu 1400"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Single path route with mtu metric"
|
|
|
|
|
|
#
|
|
# multipath via separate routes with metrics
|
|
#
|
|
run_cmd "$IP -6 ro add 2001:db8:112::/64 via 2001:db8:101::2 mtu 1400"
|
|
run_cmd "$IP -6 ro append 2001:db8:112::/64 via 2001:db8:103::2"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route6 "2001:db8:112::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Multipath route via 2 single routes with mtu metric on first"
|
|
|
|
# second route is coalesced to first to make a multipath route.
|
|
# MTU of the second path is hidden from display!
|
|
run_cmd "$IP -6 ro add 2001:db8:113::/64 via 2001:db8:101::2"
|
|
run_cmd "$IP -6 ro append 2001:db8:113::/64 via 2001:db8:103::2 mtu 1400"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route6 "2001:db8:113::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Multipath route via 2 single routes with mtu metric on 2nd"
|
|
|
|
run_cmd "$IP -6 ro del 2001:db8:113::/64 via 2001:db8:101::2"
|
|
if [ $? -eq 0 ]; then
|
|
check_route6 "2001:db8:113::/64 via 2001:db8:103::2 dev veth3 metric 1024 mtu 1400"
|
|
log_test $? 0 " MTU of second leg"
|
|
fi
|
|
|
|
#
|
|
# multipath with metrics
|
|
#
|
|
run_cmd "$IP -6 ro add 2001:db8:115::/64 mtu 1400 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route6 "2001:db8:115::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Multipath route with mtu metric"
|
|
|
|
$IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300
|
|
run_cmd "ip netns exec ns1 ${ping6} -w1 -c1 -s 1500 2001:db8:104::1"
|
|
log_test $? 0 "Using route with mtu metric"
|
|
|
|
run_cmd "$IP -6 ro add 2001:db8:114::/64 via 2001:db8:101::2 congctl lock foo"
|
|
log_test $? 2 "Invalid metric (fails metric_convert)"
|
|
|
|
route_cleanup
|
|
}
|
|
|
|
# add route for a prefix, flushing any existing routes first
|
|
# expected to be the first step of a test
|
|
add_route()
|
|
{
|
|
local pfx="$1"
|
|
local nh="$2"
|
|
local out
|
|
|
|
if [ "$VERBOSE" = "1" ]; then
|
|
echo
|
|
echo " ##################################################"
|
|
echo
|
|
fi
|
|
|
|
run_cmd "$IP ro flush ${pfx}"
|
|
[ $? -ne 0 ] && exit 1
|
|
|
|
out=$($IP ro ls match ${pfx})
|
|
if [ -n "$out" ]; then
|
|
echo "Failed to flush routes for prefix used for tests."
|
|
exit 1
|
|
fi
|
|
|
|
run_cmd "$IP ro add ${pfx} ${nh}"
|
|
if [ $? -ne 0 ]; then
|
|
echo "Failed to add initial route for test."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
# add initial route - used in replace route tests
|
|
add_initial_route()
|
|
{
|
|
add_route "172.16.104.0/24" "$1"
|
|
}
|
|
|
|
check_route()
|
|
{
|
|
local pfx
|
|
local expected="$1"
|
|
local out
|
|
|
|
set -- $expected
|
|
pfx=$1
|
|
[ "${pfx}" = "unreachable" ] && pfx=$2
|
|
|
|
out=$($IP ro ls match ${pfx})
|
|
check_expected "${out}" "${expected}"
|
|
}
|
|
|
|
# assumption is that basic add of a single path route works
|
|
# otherwise just adding an address on an interface is broken
|
|
ipv4_rt_add()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv4 route add / append tests"
|
|
|
|
# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
|
|
add_route "172.16.104.0/24" "via 172.16.101.2"
|
|
run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2"
|
|
log_test $? 2 "Attempt to add duplicate route - gw"
|
|
|
|
# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
|
|
add_route "172.16.104.0/24" "via 172.16.101.2"
|
|
run_cmd "$IP ro add 172.16.104.0/24 dev veth3"
|
|
log_test $? 2 "Attempt to add duplicate route - dev only"
|
|
|
|
# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
|
|
add_route "172.16.104.0/24" "via 172.16.101.2"
|
|
run_cmd "$IP ro add unreachable 172.16.104.0/24"
|
|
log_test $? 2 "Attempt to add duplicate route - reject route"
|
|
|
|
# iproute2 prepend only sets NLM_F_CREATE
|
|
# - adds a new route; does NOT convert existing route to ECMP
|
|
add_route "172.16.104.0/24" "via 172.16.101.2"
|
|
run_cmd "$IP ro prepend 172.16.104.0/24 via 172.16.103.2"
|
|
check_route "172.16.104.0/24 via 172.16.103.2 dev veth3 172.16.104.0/24 via 172.16.101.2 dev veth1"
|
|
log_test $? 0 "Add new nexthop for existing prefix"
|
|
|
|
# route append with same prefix adds a new route
|
|
# - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
|
|
add_route "172.16.104.0/24" "via 172.16.101.2"
|
|
run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2"
|
|
check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.2 dev veth3"
|
|
log_test $? 0 "Append nexthop to existing route - gw"
|
|
|
|
add_route "172.16.104.0/24" "via 172.16.101.2"
|
|
run_cmd "$IP ro append 172.16.104.0/24 dev veth3"
|
|
check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 dev veth3 scope link"
|
|
log_test $? 0 "Append nexthop to existing route - dev only"
|
|
|
|
add_route "172.16.104.0/24" "via 172.16.101.2"
|
|
run_cmd "$IP ro append unreachable 172.16.104.0/24"
|
|
check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 unreachable 172.16.104.0/24"
|
|
log_test $? 0 "Append nexthop to existing route - reject route"
|
|
|
|
run_cmd "$IP ro flush 172.16.104.0/24"
|
|
run_cmd "$IP ro add unreachable 172.16.104.0/24"
|
|
run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2"
|
|
check_route "unreachable 172.16.104.0/24 172.16.104.0/24 via 172.16.103.2 dev veth3"
|
|
log_test $? 0 "Append nexthop to existing reject route - gw"
|
|
|
|
run_cmd "$IP ro flush 172.16.104.0/24"
|
|
run_cmd "$IP ro add unreachable 172.16.104.0/24"
|
|
run_cmd "$IP ro append 172.16.104.0/24 dev veth3"
|
|
check_route "unreachable 172.16.104.0/24 172.16.104.0/24 dev veth3 scope link"
|
|
log_test $? 0 "Append nexthop to existing reject route - dev only"
|
|
|
|
# insert mpath directly
|
|
add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
check_route "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
|
|
log_test $? 0 "add multipath route"
|
|
|
|
add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
log_test $? 2 "Attempt to add duplicate multipath route"
|
|
|
|
# insert of a second route without append but different metric
|
|
add_route "172.16.104.0/24" "via 172.16.101.2"
|
|
run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2 metric 512"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.3 metric 256"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Route add with different metrics"
|
|
|
|
run_cmd "$IP ro del 172.16.104.0/24 metric 512"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.3 dev veth3 metric 256"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Route delete with metric"
|
|
}
|
|
|
|
ipv4_rt_replace_single()
|
|
{
|
|
# single path with single path
|
|
#
|
|
add_initial_route "via 172.16.101.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.103.2"
|
|
check_route "172.16.104.0/24 via 172.16.103.2 dev veth3"
|
|
log_test $? 0 "Single path with single path"
|
|
|
|
# single path with multipath
|
|
#
|
|
add_initial_route "nexthop via 172.16.101.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.2"
|
|
check_route "172.16.104.0/24 nexthop via 172.16.101.3 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
|
|
log_test $? 0 "Single path with multipath"
|
|
|
|
# single path with reject
|
|
#
|
|
add_initial_route "nexthop via 172.16.101.2"
|
|
run_cmd "$IP ro replace unreachable 172.16.104.0/24"
|
|
check_route "unreachable 172.16.104.0/24"
|
|
log_test $? 0 "Single path with reject route"
|
|
|
|
# single path with single path using MULTIPATH attribute
|
|
#
|
|
add_initial_route "via 172.16.101.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.103.2"
|
|
check_route "172.16.104.0/24 via 172.16.103.2 dev veth3"
|
|
log_test $? 0 "Single path with single path via multipath attribute"
|
|
|
|
# route replace fails - invalid nexthop
|
|
add_initial_route "via 172.16.101.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 via 2001:db8:104::2"
|
|
if [ $? -eq 0 ]; then
|
|
# previous command is expected to fail so if it returns 0
|
|
# that means the test failed.
|
|
log_test 0 1 "Invalid nexthop"
|
|
else
|
|
check_route "172.16.104.0/24 via 172.16.101.2 dev veth1"
|
|
log_test $? 0 "Invalid nexthop"
|
|
fi
|
|
|
|
# replace non-existent route
|
|
# - note use of change versus replace since ip adds NLM_F_CREATE
|
|
# for replace
|
|
add_initial_route "via 172.16.101.2"
|
|
run_cmd "$IP ro change 172.16.105.0/24 via 172.16.101.2"
|
|
log_test $? 2 "Single path - replace of non-existent route"
|
|
}
|
|
|
|
ipv4_rt_replace_mpath()
|
|
{
|
|
# multipath with multipath
|
|
add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3"
|
|
check_route "172.16.104.0/24 nexthop via 172.16.101.3 dev veth1 weight 1 nexthop via 172.16.103.3 dev veth3 weight 1"
|
|
log_test $? 0 "Multipath with multipath"
|
|
|
|
# multipath with single
|
|
add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.101.3"
|
|
check_route "172.16.104.0/24 via 172.16.101.3 dev veth1"
|
|
log_test $? 0 "Multipath with single path"
|
|
|
|
# multipath with single
|
|
add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3"
|
|
check_route "172.16.104.0/24 via 172.16.101.3 dev veth1"
|
|
log_test $? 0 "Multipath with single path via multipath attribute"
|
|
|
|
# multipath with reject
|
|
add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
run_cmd "$IP ro replace unreachable 172.16.104.0/24"
|
|
check_route "unreachable 172.16.104.0/24"
|
|
log_test $? 0 "Multipath with reject route"
|
|
|
|
# route replace fails - invalid nexthop 1
|
|
add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.111.3 nexthop via 172.16.103.3"
|
|
check_route "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
|
|
log_test $? 0 "Multipath - invalid first nexthop"
|
|
|
|
# route replace fails - invalid nexthop 2
|
|
add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.113.3"
|
|
check_route "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
|
|
log_test $? 0 "Multipath - invalid second nexthop"
|
|
|
|
# multipath non-existent route
|
|
add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
run_cmd "$IP ro change 172.16.105.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3"
|
|
log_test $? 2 "Multipath - replace of non-existent route"
|
|
}
|
|
|
|
ipv4_rt_replace()
|
|
{
|
|
echo
|
|
echo "IPv4 route replace tests"
|
|
|
|
ipv4_rt_replace_single
|
|
ipv4_rt_replace_mpath
|
|
}
|
|
|
|
# checks that cached input route on VRF port is deleted
|
|
# when VRF is deleted
|
|
ipv4_local_rt_cache()
|
|
{
|
|
run_cmd "ip addr add 10.0.0.1/32 dev lo"
|
|
run_cmd "ip netns add test-ns"
|
|
run_cmd "ip link add veth-outside type veth peer name veth-inside"
|
|
run_cmd "ip link add vrf-100 type vrf table 1100"
|
|
run_cmd "ip link set veth-outside master vrf-100"
|
|
run_cmd "ip link set veth-inside netns test-ns"
|
|
run_cmd "ip link set veth-outside up"
|
|
run_cmd "ip link set vrf-100 up"
|
|
run_cmd "ip route add 10.1.1.1/32 dev veth-outside table 1100"
|
|
run_cmd "ip netns exec test-ns ip link set veth-inside up"
|
|
run_cmd "ip netns exec test-ns ip addr add 10.1.1.1/32 dev veth-inside"
|
|
run_cmd "ip netns exec test-ns ip route add 10.0.0.1/32 dev veth-inside"
|
|
run_cmd "ip netns exec test-ns ip route add default via 10.0.0.1"
|
|
run_cmd "ip netns exec test-ns ping 10.0.0.1 -c 1 -i 1"
|
|
run_cmd "ip link delete vrf-100"
|
|
|
|
# if we do not hang test is a success
|
|
log_test $? 0 "Cached route removed from VRF port device"
|
|
}
|
|
|
|
ipv4_rt_dsfield()
|
|
{
|
|
echo
|
|
echo "IPv4 route with dsfield tests"
|
|
|
|
run_cmd "$IP route flush 172.16.102.0/24"
|
|
|
|
# New routes should reject dsfield options that interfere with ECN
|
|
run_cmd "$IP route add 172.16.102.0/24 dsfield 0x01 via 172.16.101.2"
|
|
log_test $? 2 "Reject route with dsfield 0x01"
|
|
|
|
run_cmd "$IP route add 172.16.102.0/24 dsfield 0x02 via 172.16.101.2"
|
|
log_test $? 2 "Reject route with dsfield 0x02"
|
|
|
|
run_cmd "$IP route add 172.16.102.0/24 dsfield 0x03 via 172.16.101.2"
|
|
log_test $? 2 "Reject route with dsfield 0x03"
|
|
|
|
# A generic route that doesn't take DSCP into account
|
|
run_cmd "$IP route add 172.16.102.0/24 via 172.16.101.2"
|
|
|
|
# A more specific route for DSCP 0x10
|
|
run_cmd "$IP route add 172.16.102.0/24 dsfield 0x10 via 172.16.103.2"
|
|
|
|
# DSCP 0x10 should match the specific route, no matter the ECN bits
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x10 | \
|
|
grep -q "via 172.16.103.2"
|
|
log_test $? 0 "IPv4 route with DSCP and ECN:Not-ECT"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x11 | \
|
|
grep -q "via 172.16.103.2"
|
|
log_test $? 0 "IPv4 route with DSCP and ECN:ECT(1)"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x12 | \
|
|
grep -q "via 172.16.103.2"
|
|
log_test $? 0 "IPv4 route with DSCP and ECN:ECT(0)"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x13 | \
|
|
grep -q "via 172.16.103.2"
|
|
log_test $? 0 "IPv4 route with DSCP and ECN:CE"
|
|
|
|
# Unknown DSCP should match the generic route, no matter the ECN bits
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x14 | \
|
|
grep -q "via 172.16.101.2"
|
|
log_test $? 0 "IPv4 route with unknown DSCP and ECN:Not-ECT"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x15 | \
|
|
grep -q "via 172.16.101.2"
|
|
log_test $? 0 "IPv4 route with unknown DSCP and ECN:ECT(1)"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x16 | \
|
|
grep -q "via 172.16.101.2"
|
|
log_test $? 0 "IPv4 route with unknown DSCP and ECN:ECT(0)"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x17 | \
|
|
grep -q "via 172.16.101.2"
|
|
log_test $? 0 "IPv4 route with unknown DSCP and ECN:CE"
|
|
|
|
# Null DSCP should match the generic route, no matter the ECN bits
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x00 | \
|
|
grep -q "via 172.16.101.2"
|
|
log_test $? 0 "IPv4 route with no DSCP and ECN:Not-ECT"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x01 | \
|
|
grep -q "via 172.16.101.2"
|
|
log_test $? 0 "IPv4 route with no DSCP and ECN:ECT(1)"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x02 | \
|
|
grep -q "via 172.16.101.2"
|
|
log_test $? 0 "IPv4 route with no DSCP and ECN:ECT(0)"
|
|
|
|
$IP route get fibmatch 172.16.102.1 dsfield 0x03 | \
|
|
grep -q "via 172.16.101.2"
|
|
log_test $? 0 "IPv4 route with no DSCP and ECN:CE"
|
|
}
|
|
|
|
ipv4_route_test()
|
|
{
|
|
route_setup
|
|
|
|
ipv4_rt_add
|
|
ipv4_rt_replace
|
|
ipv4_local_rt_cache
|
|
ipv4_rt_dsfield
|
|
|
|
route_cleanup
|
|
}
|
|
|
|
ipv4_addr_metric_test()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv4 prefix route tests"
|
|
|
|
ip_addr_metric_check || return 1
|
|
|
|
setup
|
|
|
|
set -e
|
|
$IP li add dummy1 type dummy
|
|
$IP li add dummy2 type dummy
|
|
$IP li set dummy1 up
|
|
$IP li set dummy2 up
|
|
|
|
# default entry is metric 256
|
|
run_cmd "$IP addr add dev dummy1 172.16.104.1/24"
|
|
run_cmd "$IP addr add dev dummy2 172.16.104.2/24"
|
|
set +e
|
|
|
|
check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2"
|
|
log_test $? 0 "Default metric"
|
|
|
|
set -e
|
|
run_cmd "$IP addr flush dev dummy1"
|
|
run_cmd "$IP addr add dev dummy1 172.16.104.1/24 metric 257"
|
|
set +e
|
|
|
|
check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257"
|
|
log_test $? 0 "User specified metric on first device"
|
|
|
|
set -e
|
|
run_cmd "$IP addr flush dev dummy2"
|
|
run_cmd "$IP addr add dev dummy2 172.16.104.2/24 metric 258"
|
|
set +e
|
|
|
|
check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
|
|
log_test $? 0 "User specified metric on second device"
|
|
|
|
run_cmd "$IP addr del dev dummy1 172.16.104.1/24 metric 257"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Delete of address on first device"
|
|
|
|
run_cmd "$IP addr change dev dummy2 172.16.104.2/24 metric 259"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Modify metric of address"
|
|
|
|
# verify prefix route removed on down
|
|
run_cmd "$IP li set dev dummy2 down"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
out=$($IP ro ls match 172.16.104.0/24)
|
|
check_expected "${out}" ""
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Prefix route removed on link down"
|
|
|
|
# verify prefix route re-inserted with assigned metric
|
|
run_cmd "$IP li set dev dummy2 up"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Prefix route with metric on link up"
|
|
|
|
# explicitly check for metric changes on edge scenarios
|
|
run_cmd "$IP addr flush dev dummy2"
|
|
run_cmd "$IP addr add dev dummy2 172.16.104.0/24 metric 259"
|
|
run_cmd "$IP addr change dev dummy2 172.16.104.0/24 metric 260"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.0 metric 260"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Modify metric of .0/24 address"
|
|
|
|
run_cmd "$IP addr flush dev dummy2"
|
|
run_cmd "$IP addr add dev dummy2 172.16.104.1/32 peer 172.16.104.2 metric 260"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.2 dev dummy2 proto kernel scope link src 172.16.104.1 metric 260"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Set metric of address with peer route"
|
|
|
|
run_cmd "$IP addr change dev dummy2 172.16.104.1/32 peer 172.16.104.3 metric 261"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.3 dev dummy2 proto kernel scope link src 172.16.104.1 metric 261"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Modify metric and peer address for peer route"
|
|
|
|
$IP li del dummy1
|
|
$IP li del dummy2
|
|
cleanup
|
|
}
|
|
|
|
ipv4_route_metrics_test()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv4 route add / append tests"
|
|
|
|
route_setup
|
|
|
|
run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 mtu 1400"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.111.0/24 via 172.16.101.2 dev veth1 mtu 1400"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Single path route with mtu metric"
|
|
|
|
|
|
run_cmd "$IP ro add 172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 nexthop via 172.16.103.2"
|
|
rc=$?
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
|
|
rc=$?
|
|
fi
|
|
log_test $rc 0 "Multipath route with mtu metric"
|
|
|
|
$IP ro add 172.16.104.0/24 via 172.16.101.2 mtu 1300
|
|
run_cmd "ip netns exec ns1 ping -w1 -c1 -s 1500 172.16.104.1"
|
|
log_test $? 0 "Using route with mtu metric"
|
|
|
|
run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 congctl lock foo"
|
|
log_test $? 2 "Invalid metric (fails metric_convert)"
|
|
|
|
route_cleanup
|
|
}
|
|
|
|
ipv4_del_addr_test()
|
|
{
|
|
echo
|
|
echo "IPv4 delete address route tests"
|
|
|
|
setup
|
|
|
|
set -e
|
|
$IP li add dummy1 type dummy
|
|
$IP li set dummy1 up
|
|
$IP li add dummy2 type dummy
|
|
$IP li set dummy2 up
|
|
$IP li add red type vrf table 1111
|
|
$IP li set red up
|
|
$IP ro add vrf red unreachable default
|
|
$IP li set dummy2 vrf red
|
|
|
|
$IP addr add dev dummy1 172.16.104.1/24
|
|
$IP addr add dev dummy1 172.16.104.11/24
|
|
$IP addr add dev dummy1 172.16.104.12/24
|
|
$IP addr add dev dummy1 172.16.104.13/24
|
|
$IP addr add dev dummy2 172.16.104.1/24
|
|
$IP addr add dev dummy2 172.16.104.11/24
|
|
$IP addr add dev dummy2 172.16.104.12/24
|
|
$IP route add 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11
|
|
$IP route add 172.16.106.0/24 dev lo src 172.16.104.12
|
|
$IP route add table 0 172.16.107.0/24 via 172.16.104.2 src 172.16.104.13
|
|
$IP route add vrf red 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11
|
|
$IP route add vrf red 172.16.106.0/24 dev lo src 172.16.104.12
|
|
set +e
|
|
|
|
# removing address from device in vrf should only remove route from vrf table
|
|
echo " Regular FIB info"
|
|
|
|
$IP addr del dev dummy2 172.16.104.11/24
|
|
$IP ro ls vrf red | grep -q 172.16.105.0/24
|
|
log_test $? 1 "Route removed from VRF when source address deleted"
|
|
|
|
$IP ro ls | grep -q 172.16.105.0/24
|
|
log_test $? 0 "Route in default VRF not removed"
|
|
|
|
$IP addr add dev dummy2 172.16.104.11/24
|
|
$IP route add vrf red 172.16.105.0/24 via 172.16.104.2 src 172.16.104.11
|
|
|
|
$IP addr del dev dummy1 172.16.104.11/24
|
|
$IP ro ls | grep -q 172.16.105.0/24
|
|
log_test $? 1 "Route removed in default VRF when source address deleted"
|
|
|
|
$IP ro ls vrf red | grep -q 172.16.105.0/24
|
|
log_test $? 0 "Route in VRF is not removed by address delete"
|
|
|
|
# removing address from device in vrf should only remove route from vrf
|
|
# table even when the associated fib info only differs in table ID
|
|
echo " Identical FIB info with different table ID"
|
|
|
|
$IP addr del dev dummy2 172.16.104.12/24
|
|
$IP ro ls vrf red | grep -q 172.16.106.0/24
|
|
log_test $? 1 "Route removed from VRF when source address deleted"
|
|
|
|
$IP ro ls | grep -q 172.16.106.0/24
|
|
log_test $? 0 "Route in default VRF not removed"
|
|
|
|
$IP addr add dev dummy2 172.16.104.12/24
|
|
$IP route add vrf red 172.16.106.0/24 dev lo src 172.16.104.12
|
|
|
|
$IP addr del dev dummy1 172.16.104.12/24
|
|
$IP ro ls | grep -q 172.16.106.0/24
|
|
log_test $? 1 "Route removed in default VRF when source address deleted"
|
|
|
|
$IP ro ls vrf red | grep -q 172.16.106.0/24
|
|
log_test $? 0 "Route in VRF is not removed by address delete"
|
|
|
|
# removing address from device in default vrf should remove route from
|
|
# the default vrf even when route was inserted with a table ID of 0.
|
|
echo " Table ID 0"
|
|
|
|
$IP addr del dev dummy1 172.16.104.13/24
|
|
$IP ro ls | grep -q 172.16.107.0/24
|
|
log_test $? 1 "Route removed in default VRF when source address deleted"
|
|
|
|
$IP li del dummy1
|
|
$IP li del dummy2
|
|
cleanup
|
|
}
|
|
|
|
|
|
ipv4_route_v6_gw_test()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv4 route with IPv6 gateway tests"
|
|
|
|
route_setup
|
|
sleep 2
|
|
|
|
#
|
|
# single path route
|
|
#
|
|
run_cmd "$IP ro add 172.16.104.0/24 via inet6 2001:db8:101::2"
|
|
rc=$?
|
|
log_test $rc 0 "Single path route with IPv6 gateway"
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.0/24 via inet6 2001:db8:101::2 dev veth1"
|
|
fi
|
|
|
|
run_cmd "ip netns exec ns1 ping -w1 -c1 172.16.104.1"
|
|
log_test $rc 0 "Single path route with IPv6 gateway - ping"
|
|
|
|
run_cmd "$IP ro del 172.16.104.0/24 via inet6 2001:db8:101::2"
|
|
rc=$?
|
|
log_test $rc 0 "Single path route delete"
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.112.0/24"
|
|
fi
|
|
|
|
#
|
|
# multipath - v6 then v4
|
|
#
|
|
run_cmd "$IP ro add 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
|
|
rc=$?
|
|
log_test $rc 0 "Multipath route add - v6 nexthop then v4"
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
|
|
fi
|
|
|
|
run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
|
|
log_test $? 2 " Multipath route delete - nexthops in wrong order"
|
|
|
|
run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
|
|
log_test $? 0 " Multipath route delete exact match"
|
|
|
|
#
|
|
# multipath - v4 then v6
|
|
#
|
|
run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
|
|
rc=$?
|
|
log_test $rc 0 "Multipath route add - v4 nexthop then v6"
|
|
if [ $rc -eq 0 ]; then
|
|
check_route "172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 weight 1 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1"
|
|
fi
|
|
|
|
run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
|
|
log_test $? 2 " Multipath route delete - nexthops in wrong order"
|
|
|
|
run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
|
|
log_test $? 0 " Multipath route delete exact match"
|
|
|
|
route_cleanup
|
|
}
|
|
|
|
socat_check()
|
|
{
|
|
if [ ! -x "$(command -v socat)" ]; then
|
|
echo "socat command not found. Skipping test"
|
|
return 1
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
iptables_check()
|
|
{
|
|
iptables -t mangle -L OUTPUT &> /dev/null
|
|
if [ $? -ne 0 ]; then
|
|
echo "iptables configuration not supported. Skipping test"
|
|
return 1
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
ip6tables_check()
|
|
{
|
|
ip6tables -t mangle -L OUTPUT &> /dev/null
|
|
if [ $? -ne 0 ]; then
|
|
echo "ip6tables configuration not supported. Skipping test"
|
|
return 1
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
ipv4_mangle_test()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv4 mangling tests"
|
|
|
|
socat_check || return 1
|
|
iptables_check || return 1
|
|
|
|
route_setup
|
|
sleep 2
|
|
|
|
local tmp_file=$(mktemp)
|
|
ip netns exec ns2 socat UDP4-LISTEN:54321,fork $tmp_file &
|
|
|
|
# Add a FIB rule and a route that will direct our connection to the
|
|
# listening server.
|
|
$IP rule add pref 100 ipproto udp sport 12345 dport 54321 table 123
|
|
$IP route add table 123 172.16.101.0/24 dev veth1
|
|
|
|
# Add an unreachable route to the main table that will block our
|
|
# connection in case the FIB rule is not hit.
|
|
$IP route add unreachable 172.16.101.2/32
|
|
|
|
run_cmd "echo a | $NS_EXEC socat STDIN UDP4:172.16.101.2:54321,sourceport=12345"
|
|
log_test $? 0 " Connection with correct parameters"
|
|
|
|
run_cmd "echo a | $NS_EXEC socat STDIN UDP4:172.16.101.2:54321,sourceport=11111"
|
|
log_test $? 1 " Connection with incorrect parameters"
|
|
|
|
# Add a mangling rule and make sure connection is still successful.
|
|
$NS_EXEC iptables -t mangle -A OUTPUT -j MARK --set-mark 1
|
|
|
|
run_cmd "echo a | $NS_EXEC socat STDIN UDP4:172.16.101.2:54321,sourceport=12345"
|
|
log_test $? 0 " Connection with correct parameters - mangling"
|
|
|
|
# Delete the mangling rule and make sure connection is still
|
|
# successful.
|
|
$NS_EXEC iptables -t mangle -D OUTPUT -j MARK --set-mark 1
|
|
|
|
run_cmd "echo a | $NS_EXEC socat STDIN UDP4:172.16.101.2:54321,sourceport=12345"
|
|
log_test $? 0 " Connection with correct parameters - no mangling"
|
|
|
|
# Verify connections were indeed successful on server side.
|
|
[[ $(cat $tmp_file | wc -l) -eq 3 ]]
|
|
log_test $? 0 " Connection check - server side"
|
|
|
|
$IP route del unreachable 172.16.101.2/32
|
|
$IP route del table 123 172.16.101.0/24 dev veth1
|
|
$IP rule del pref 100
|
|
|
|
{ kill %% && wait %%; } 2>/dev/null
|
|
rm $tmp_file
|
|
|
|
route_cleanup
|
|
}
|
|
|
|
ipv6_mangle_test()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv6 mangling tests"
|
|
|
|
socat_check || return 1
|
|
ip6tables_check || return 1
|
|
|
|
route_setup
|
|
sleep 2
|
|
|
|
local tmp_file=$(mktemp)
|
|
ip netns exec ns2 socat UDP6-LISTEN:54321,fork $tmp_file &
|
|
|
|
# Add a FIB rule and a route that will direct our connection to the
|
|
# listening server.
|
|
$IP -6 rule add pref 100 ipproto udp sport 12345 dport 54321 table 123
|
|
$IP -6 route add table 123 2001:db8:101::/64 dev veth1
|
|
|
|
# Add an unreachable route to the main table that will block our
|
|
# connection in case the FIB rule is not hit.
|
|
$IP -6 route add unreachable 2001:db8:101::2/128
|
|
|
|
run_cmd "echo a | $NS_EXEC socat STDIN UDP6:[2001:db8:101::2]:54321,sourceport=12345"
|
|
log_test $? 0 " Connection with correct parameters"
|
|
|
|
run_cmd "echo a | $NS_EXEC socat STDIN UDP6:[2001:db8:101::2]:54321,sourceport=11111"
|
|
log_test $? 1 " Connection with incorrect parameters"
|
|
|
|
# Add a mangling rule and make sure connection is still successful.
|
|
$NS_EXEC ip6tables -t mangle -A OUTPUT -j MARK --set-mark 1
|
|
|
|
run_cmd "echo a | $NS_EXEC socat STDIN UDP6:[2001:db8:101::2]:54321,sourceport=12345"
|
|
log_test $? 0 " Connection with correct parameters - mangling"
|
|
|
|
# Delete the mangling rule and make sure connection is still
|
|
# successful.
|
|
$NS_EXEC ip6tables -t mangle -D OUTPUT -j MARK --set-mark 1
|
|
|
|
run_cmd "echo a | $NS_EXEC socat STDIN UDP6:[2001:db8:101::2]:54321,sourceport=12345"
|
|
log_test $? 0 " Connection with correct parameters - no mangling"
|
|
|
|
# Verify connections were indeed successful on server side.
|
|
[[ $(cat $tmp_file | wc -l) -eq 3 ]]
|
|
log_test $? 0 " Connection check - server side"
|
|
|
|
$IP -6 route del unreachable 2001:db8:101::2/128
|
|
$IP -6 route del table 123 2001:db8:101::/64 dev veth1
|
|
$IP -6 rule del pref 100
|
|
|
|
{ kill %% && wait %%; } 2>/dev/null
|
|
rm $tmp_file
|
|
|
|
route_cleanup
|
|
}
|
|
|
|
ip_neigh_get_check()
|
|
{
|
|
ip neigh help 2>&1 | grep -q 'ip neigh get'
|
|
if [ $? -ne 0 ]; then
|
|
echo "iproute2 command does not support neigh get. Skipping test"
|
|
return 1
|
|
fi
|
|
|
|
return 0
|
|
}
|
|
|
|
ipv4_bcast_neigh_test()
|
|
{
|
|
local rc
|
|
|
|
echo
|
|
echo "IPv4 broadcast neighbour tests"
|
|
|
|
ip_neigh_get_check || return 1
|
|
|
|
setup
|
|
|
|
set -e
|
|
run_cmd "$IP neigh add 192.0.2.111 lladdr 00:11:22:33:44:55 nud perm dev dummy0"
|
|
run_cmd "$IP neigh add 192.0.2.255 lladdr 00:11:22:33:44:55 nud perm dev dummy0"
|
|
|
|
run_cmd "$IP neigh get 192.0.2.111 dev dummy0"
|
|
run_cmd "$IP neigh get 192.0.2.255 dev dummy0"
|
|
|
|
run_cmd "$IP address add 192.0.2.1/24 broadcast 192.0.2.111 dev dummy0"
|
|
|
|
run_cmd "$IP neigh add 203.0.113.111 nud failed dev dummy0"
|
|
run_cmd "$IP neigh add 203.0.113.255 nud failed dev dummy0"
|
|
|
|
run_cmd "$IP neigh get 203.0.113.111 dev dummy0"
|
|
run_cmd "$IP neigh get 203.0.113.255 dev dummy0"
|
|
|
|
run_cmd "$IP address add 203.0.113.1/24 broadcast 203.0.113.111 dev dummy0"
|
|
set +e
|
|
|
|
run_cmd "$IP neigh get 192.0.2.111 dev dummy0"
|
|
log_test $? 0 "Resolved neighbour for broadcast address"
|
|
|
|
run_cmd "$IP neigh get 192.0.2.255 dev dummy0"
|
|
log_test $? 0 "Resolved neighbour for network broadcast address"
|
|
|
|
run_cmd "$IP neigh get 203.0.113.111 dev dummy0"
|
|
log_test $? 2 "Unresolved neighbour for broadcast address"
|
|
|
|
run_cmd "$IP neigh get 203.0.113.255 dev dummy0"
|
|
log_test $? 2 "Unresolved neighbour for network broadcast address"
|
|
|
|
cleanup
|
|
}
|
|
|
|
################################################################################
|
|
# usage
|
|
|
|
usage()
|
|
{
|
|
cat <<EOF
|
|
usage: ${0##*/} OPTS
|
|
|
|
-t <test> Test(s) to run (default: all)
|
|
(options: $TESTS)
|
|
-p Pause on fail
|
|
-P Pause after each test before cleanup
|
|
-v verbose mode (show commands and output)
|
|
EOF
|
|
}
|
|
|
|
################################################################################
|
|
# main
|
|
|
|
trap cleanup EXIT
|
|
|
|
while getopts :t:pPhv o
|
|
do
|
|
case $o in
|
|
t) TESTS=$OPTARG;;
|
|
p) PAUSE_ON_FAIL=yes;;
|
|
P) PAUSE=yes;;
|
|
v) VERBOSE=$(($VERBOSE + 1));;
|
|
h) usage; exit 0;;
|
|
*) usage; exit 1;;
|
|
esac
|
|
done
|
|
|
|
PEER_CMD="ip netns exec ${PEER_NS}"
|
|
|
|
# make sure we don't pause twice
|
|
[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
|
|
|
|
if [ "$(id -u)" -ne 0 ];then
|
|
echo "SKIP: Need root privileges"
|
|
exit $ksft_skip;
|
|
fi
|
|
|
|
if [ ! -x "$(command -v ip)" ]; then
|
|
echo "SKIP: Could not run test without ip tool"
|
|
exit $ksft_skip
|
|
fi
|
|
|
|
ip route help 2>&1 | grep -q fibmatch
|
|
if [ $? -ne 0 ]; then
|
|
echo "SKIP: iproute2 too old, missing fibmatch"
|
|
exit $ksft_skip
|
|
fi
|
|
|
|
# start clean
|
|
cleanup &> /dev/null
|
|
|
|
for t in $TESTS
|
|
do
|
|
case $t in
|
|
fib_unreg_test|unregister) fib_unreg_test;;
|
|
fib_down_test|down) fib_down_test;;
|
|
fib_carrier_test|carrier) fib_carrier_test;;
|
|
fib_rp_filter_test|rp_filter) fib_rp_filter_test;;
|
|
fib_nexthop_test|nexthop) fib_nexthop_test;;
|
|
fib_notify_test|ipv4_notify) fib_notify_test;;
|
|
fib6_notify_test|ipv6_notify) fib6_notify_test;;
|
|
fib_suppress_test|suppress) fib_suppress_test;;
|
|
ipv6_route_test|ipv6_rt) ipv6_route_test;;
|
|
ipv4_route_test|ipv4_rt) ipv4_route_test;;
|
|
ipv6_addr_metric) ipv6_addr_metric_test;;
|
|
ipv4_addr_metric) ipv4_addr_metric_test;;
|
|
ipv4_del_addr) ipv4_del_addr_test;;
|
|
ipv6_route_metrics) ipv6_route_metrics_test;;
|
|
ipv4_route_metrics) ipv4_route_metrics_test;;
|
|
ipv4_route_v6_gw) ipv4_route_v6_gw_test;;
|
|
ipv4_mangle) ipv4_mangle_test;;
|
|
ipv6_mangle) ipv6_mangle_test;;
|
|
ipv4_bcast_neigh) ipv4_bcast_neigh_test;;
|
|
|
|
help) echo "Test names: $TESTS"; exit 0;;
|
|
esac
|
|
done
|
|
|
|
if [ "$TESTS" != "none" ]; then
|
|
printf "\nTests passed: %3d\n" ${nsuccess}
|
|
printf "Tests failed: %3d\n" ${nfail}
|
|
fi
|
|
|
|
exit $ret
|