#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# This test uses standard topology for testing gretap. See
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# mirror_gre_topo_lib.sh for more details.
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#
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# Test for mirroring to gretap and ip6gretap, such that the neighbor entry for
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# the tunnel remote address has invalid address at the time that the mirroring
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# is set up. Later on, the neighbor is deleted and it is expected to be
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# reinitialized using the usual ARP process, and the mirroring offload updated.
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ALL_TESTS="
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test_gretap
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test_ip6gretap
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"
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NUM_NETIFS=6
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source lib.sh
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source mirror_lib.sh
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source mirror_gre_lib.sh
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source mirror_gre_topo_lib.sh
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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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swp3=${NETIFS[p5]}
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h3=${NETIFS[p6]}
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vrf_prepare
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mirror_gre_topo_create
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ip address add dev $swp3 192.0.2.129/28
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ip address add dev $h3 192.0.2.130/28
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ip address add dev $swp3 2001:db8:2::1/64
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ip address add dev $h3 2001:db8:2::2/64
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}
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cleanup()
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{
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pre_cleanup
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ip address del dev $h3 2001:db8:2::2/64
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ip address del dev $swp3 2001:db8:2::1/64
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ip address del dev $h3 192.0.2.130/28
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ip address del dev $swp3 192.0.2.129/28
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mirror_gre_topo_destroy
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vrf_cleanup
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}
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test_span_gre_neigh()
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{
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local addr=$1; shift
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local tundev=$1; shift
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local direction=$1; shift
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local what=$1; shift
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RET=0
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ip neigh replace dev $swp3 $addr lladdr 00:11:22:33:44:55
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mirror_install $swp1 $direction $tundev "matchall $tcflags"
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fail_test_span_gre_dir $tundev ingress
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ip neigh del dev $swp3 $addr
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quick_test_span_gre_dir $tundev ingress
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mirror_uninstall $swp1 $direction
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log_test "$direction $what: neighbor change ($tcflags)"
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}
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test_gretap()
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{
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test_span_gre_neigh 192.0.2.130 gt4 ingress "mirror to gretap"
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test_span_gre_neigh 192.0.2.130 gt4 egress "mirror to gretap"
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}
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test_ip6gretap()
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{
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test_span_gre_neigh 2001:db8:2::2 gt6 ingress "mirror to ip6gretap"
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test_span_gre_neigh 2001:db8:2::2 gt6 egress "mirror to ip6gretap"
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}
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test_all()
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{
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slow_path_trap_install $swp1 ingress
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slow_path_trap_install $swp1 egress
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tests_run
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slow_path_trap_uninstall $swp1 egress
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slow_path_trap_uninstall $swp1 ingress
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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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tcflags="skip_hw"
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test_all
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if ! tc_offload_check; then
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echo "WARN: Could not test offloaded functionality"
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else
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tcflags="skip_sw"
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test_all
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fi
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exit $EXIT_STATUS
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