selftests: forwarding: Add test cases for flower port range matching
Add test cases to verify that flower port range matching works correctly. Test both source and destination port ranges, with different combinations of IPv4/IPv6 and TCP/UDP, on both ingress and egress. Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Petr Machata <petrm@nvidia.com> Signed-off-by: Petr Machata <petrm@nvidia.com> Link: https://lore.kernel.org/r/9d47c9cd4522b2d335b13ce8f6c9b33199298cee.1689092769.git.petrm@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Ido Schimmel
Jakub Kicinski
parent
0a1a818d8a
commit
209218e479
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@ -85,6 +85,7 @@ TEST_PROGS = bridge_igmp.sh \
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tc_flower.sh \
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tc_flower_l2_miss.sh \
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tc_flower_cfm.sh \
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tc_flower_port_range.sh \
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tc_mpls_l2vpn.sh \
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tc_police.sh \
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tc_shblocks.sh \
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@ -0,0 +1,228 @@
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#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# +-----------------------+ +----------------------+
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# | H1 (vrf) | | H2 (vrf) |
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# | + $h1 | | $h2 + |
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# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
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# | | 2001:db8:1::1/64 | | 2001:db8:1::2/64 | |
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# +----|------------------+ +------------------|---+
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# | |
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# +----|-------------------------------------------------------------------|---+
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# | SW | | |
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# | +-|-------------------------------------------------------------------|-+ |
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# | | + $swp1 BR $swp2 + | |
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# | +-----------------------------------------------------------------------+ |
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# +----------------------------------------------------------------------------+
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ALL_TESTS="
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test_port_range_ipv4_udp
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test_port_range_ipv4_tcp
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test_port_range_ipv6_udp
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test_port_range_ipv6_tcp
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"
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NUM_NETIFS=4
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source lib.sh
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source tc_common.sh
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h1_create()
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{
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simple_if_init $h1 192.0.2.1/28 2001:db8:1::1/64
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}
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h1_destroy()
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{
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simple_if_fini $h1 192.0.2.1/28 2001:db8:1::1/64
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}
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h2_create()
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{
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simple_if_init $h2 192.0.2.2/28 2001:db8:1::2/64
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}
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h2_destroy()
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{
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simple_if_fini $h2 192.0.2.2/28 2001:db8:1::2/64
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}
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switch_create()
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{
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ip link add name br1 type bridge
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ip link set dev $swp1 master br1
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ip link set dev $swp1 up
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ip link set dev $swp2 master br1
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ip link set dev $swp2 up
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ip link set dev br1 up
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tc qdisc add dev $swp1 clsact
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tc qdisc add dev $swp2 clsact
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}
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switch_destroy()
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{
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tc qdisc del dev $swp2 clsact
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tc qdisc del dev $swp1 clsact
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ip link set dev br1 down
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ip link set dev $swp2 down
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ip link set dev $swp2 nomaster
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ip link set dev $swp1 down
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ip link set dev $swp1 nomaster
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ip link del dev br1
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}
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__test_port_range()
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{
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local proto=$1; shift
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local ip_proto=$1; shift
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local sip=$1; shift
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local dip=$1; shift
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local mode=$1; shift
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local name=$1; shift
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local dmac=$(mac_get $h2)
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local smac=$(mac_get $h1)
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local sport_min=100
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local sport_max=200
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local sport_mid=$((sport_min + (sport_max - sport_min) / 2))
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local dport_min=300
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local dport_max=400
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local dport_mid=$((dport_min + (dport_max - dport_min) / 2))
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RET=0
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tc filter add dev $swp1 ingress protocol $proto handle 101 pref 1 \
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flower src_ip $sip dst_ip $dip ip_proto $ip_proto \
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src_port $sport_min-$sport_max \
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dst_port $dport_min-$dport_max \
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action pass
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tc filter add dev $swp2 egress protocol $proto handle 101 pref 1 \
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flower src_ip $sip dst_ip $dip ip_proto $ip_proto \
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src_port $sport_min-$sport_max \
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dst_port $dport_min-$dport_max \
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action drop
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$MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
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-t $ip_proto "sp=$sport_min,dp=$dport_min"
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tc_check_packets "dev $swp1 ingress" 101 1
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check_err $? "Ingress filter not hit with minimum ports"
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tc_check_packets "dev $swp2 egress" 101 1
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check_err $? "Egress filter not hit with minimum ports"
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$MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
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-t $ip_proto "sp=$sport_mid,dp=$dport_mid"
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tc_check_packets "dev $swp1 ingress" 101 2
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check_err $? "Ingress filter not hit with middle ports"
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tc_check_packets "dev $swp2 egress" 101 2
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check_err $? "Egress filter not hit with middle ports"
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$MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
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-t $ip_proto "sp=$sport_max,dp=$dport_max"
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tc_check_packets "dev $swp1 ingress" 101 3
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check_err $? "Ingress filter not hit with maximum ports"
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tc_check_packets "dev $swp2 egress" 101 3
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check_err $? "Egress filter not hit with maximum ports"
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# Send traffic when both ports are out of range and when only one port
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# is out of range.
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$MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
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-t $ip_proto "sp=$((sport_min - 1)),dp=$dport_min"
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$MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
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-t $ip_proto "sp=$((sport_max + 1)),dp=$dport_min"
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$MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
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-t $ip_proto "sp=$sport_min,dp=$((dport_min - 1))"
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$MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
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-t $ip_proto "sp=$sport_min,dp=$((dport_max + 1))"
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$MZ $mode $h1 -c 1 -q -p 100 -a $smac -b $dmac -A $sip -B $dip \
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-t $ip_proto "sp=$((sport_max + 1)),dp=$((dport_max + 1))"
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tc_check_packets "dev $swp1 ingress" 101 3
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check_err $? "Ingress filter was hit when should not"
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tc_check_packets "dev $swp2 egress" 101 3
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check_err $? "Egress filter was hit when should not"
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tc filter del dev $swp2 egress protocol $proto pref 1 handle 101 flower
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tc filter del dev $swp1 ingress protocol $proto pref 1 handle 101 flower
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log_test "Port range matching - $name"
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}
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test_port_range_ipv4_udp()
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{
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local proto=ipv4
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local ip_proto=udp
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local sip=192.0.2.1
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local dip=192.0.2.2
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local mode="-4"
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local name="IPv4 UDP"
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__test_port_range $proto $ip_proto $sip $dip $mode "$name"
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}
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test_port_range_ipv4_tcp()
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{
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local proto=ipv4
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local ip_proto=tcp
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local sip=192.0.2.1
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local dip=192.0.2.2
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local mode="-4"
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local name="IPv4 TCP"
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__test_port_range $proto $ip_proto $sip $dip $mode "$name"
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}
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test_port_range_ipv6_udp()
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{
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local proto=ipv6
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local ip_proto=udp
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local sip=2001:db8:1::1
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local dip=2001:db8:1::2
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local mode="-6"
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local name="IPv6 UDP"
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__test_port_range $proto $ip_proto $sip $dip $mode "$name"
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}
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test_port_range_ipv6_tcp()
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{
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local proto=ipv6
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local ip_proto=tcp
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local sip=2001:db8:1::1
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local dip=2001:db8:1::2
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local mode="-6"
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local name="IPv6 TCP"
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__test_port_range $proto $ip_proto $sip $dip $mode "$name"
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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swp1=${NETIFS[p2]}
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swp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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vrf_prepare
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h1_create
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h2_create
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switch_create
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}
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cleanup()
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{
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pre_cleanup
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switch_destroy
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h2_destroy
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h1_destroy
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vrf_cleanup
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}
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trap cleanup EXIT
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setup_prepare
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setup_wait
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tests_run
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exit $EXIT_STATUS
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