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selftests: forwarding: Test mirror to gretap w/ bound dev
Test mirroring to a gretap and an ip6gretap netdevice with a bound device, where the tunnel device and the bound device are in different VRFs (an overlay / underlay configuration). Signed-off-by: Petr Machata <petrm@mellanox.com> Reviewed-by: Jiri Pirko <jiri@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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Petr Machata
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David S. Miller
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Apr 27, 2018
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tools/testing/selftests/net/forwarding/mirror_gre_bound.sh
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| #!/bin/bash | ||
| # SPDX-License-Identifier: GPL-2.0 | ||
|
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||
| # +---------------------+ +---------------------+ | ||
| # | H1 | | H2 | | ||
| # | + $h1 | | $h2 + | | ||
| # | | 192.0.2.1/28 | | 192.0.2.2/28 | | | ||
| # +-----|---------------+ +---------------|-----+ | ||
| # | | | ||
| # +-----|-------------------------------------------------------------|-----+ | ||
| # | SW o--> mirror | | | ||
| # | +---|-------------------------------------------------------------|---+ | | ||
| # | | + $swp1 BR $swp2 + | | | ||
| # | +---------------------------------------------------------------------+ | | ||
| # | | | ||
| # | +---------------------------------------------------------------------+ | | ||
| # | | OL + gt6 (ip6gretap) + gt4 (gretap) | | | ||
| # | | : loc=2001:db8:2::1 : loc=192.0.2.129 | | | ||
| # | | : rem=2001:db8:2::2 : rem=192.0.2.130 | | | ||
| # | | : ttl=100 : ttl=100 | | | ||
| # | | : tos=inherit : tos=inherit | | | ||
| # | +-------------------------:--|-------------------:--|-----------------+ | | ||
| # | : | : | | | ||
| # | +-------------------------:--|-------------------:--|-----------------+ | | ||
| # | | UL : |,---------------------' | | | ||
| # | | + $swp3 : || : | | | ||
| # | | | 192.0.2.129/28 : vv : | | | ||
| # | | | 2001:db8:2::1/64 : + ul (dummy) : | | | ||
| # | +---|---------------------:----------------------:--------------------+ | | ||
| # +-----|---------------------:----------------------:----------------------+ | ||
| # | : : | ||
| # +-----|---------------------:----------------------:----------------------+ | ||
| # | H3 + $h3 + h3-gt6 (ip6gretap) + h3-gt4 (gretap) | | ||
| # | 192.0.2.130/28 loc=2001:db8:2::2 loc=192.0.2.130 | | ||
| # | 2001:db8:2::2/64 rem=2001:db8:2::1 rem=192.0.2.129 | | ||
| # | ttl=100 ttl=100 | | ||
| # | tos=inherit tos=inherit | | ||
| # | | | ||
| # +-------------------------------------------------------------------------+ | ||
| # | ||
| # This tests mirroring to gretap and ip6gretap configured in an overlay / | ||
| # underlay manner, i.e. with a bound dummy device that marks underlay VRF where | ||
| # the encapsulated packed should be routed. | ||
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| NUM_NETIFS=6 | ||
| source lib.sh | ||
| source mirror_lib.sh | ||
| source mirror_gre_lib.sh | ||
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||
| h1_create() | ||
| { | ||
| simple_if_init $h1 192.0.2.1/28 | ||
| } | ||
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| h1_destroy() | ||
| { | ||
| simple_if_fini $h1 192.0.2.1/28 | ||
| } | ||
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||
| h2_create() | ||
| { | ||
| simple_if_init $h2 192.0.2.2/28 | ||
| } | ||
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| h2_destroy() | ||
| { | ||
| simple_if_fini $h2 192.0.2.2/28 | ||
| } | ||
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| h3_create() | ||
| { | ||
| simple_if_init $h3 192.0.2.130/28 2001:db8:2::2/64 | ||
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| tunnel_create h3-gt4 gretap 192.0.2.130 192.0.2.129 | ||
| ip link set h3-gt4 vrf v$h3 | ||
| matchall_sink_create h3-gt4 | ||
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| tunnel_create h3-gt6 ip6gretap 2001:db8:2::2 2001:db8:2::1 | ||
| ip link set h3-gt6 vrf v$h3 | ||
| matchall_sink_create h3-gt6 | ||
| } | ||
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| h3_destroy() | ||
| { | ||
| tunnel_destroy h3-gt6 | ||
| tunnel_destroy h3-gt4 | ||
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| simple_if_fini $h3 192.0.2.130/28 2001:db8:2::2/64 | ||
| } | ||
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| switch_create() | ||
| { | ||
| # Bridge between H1 and H2. | ||
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| ip link add name br1 type bridge vlan_filtering 1 | ||
| ip link set dev br1 up | ||
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| ip link set dev $swp1 master br1 | ||
| ip link set dev $swp1 up | ||
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| ip link set dev $swp2 master br1 | ||
| ip link set dev $swp2 up | ||
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| tc qdisc add dev $swp1 clsact | ||
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| # Underlay. | ||
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| simple_if_init $swp3 192.0.2.129/28 2001:db8:2::1/64 | ||
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| ip link add name ul type dummy | ||
| ip link set dev ul master v$swp3 | ||
| ip link set dev ul up | ||
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| # Overlay. | ||
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| vrf_create vrf-ol | ||
| ip link set dev vrf-ol up | ||
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| tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \ | ||
| ttl 100 tos inherit dev ul | ||
| ip link set dev gt4 master vrf-ol | ||
| ip link set dev gt4 up | ||
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| tunnel_create gt6 ip6gretap 2001:db8:2::1 2001:db8:2::2 \ | ||
| ttl 100 tos inherit dev ul allow-localremote | ||
| ip link set dev gt6 master vrf-ol | ||
| ip link set dev gt6 up | ||
| } | ||
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| switch_destroy() | ||
| { | ||
| vrf_destroy vrf-ol | ||
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| tunnel_destroy gt6 | ||
| tunnel_destroy gt4 | ||
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| simple_if_fini $swp3 192.0.2.129/28 2001:db8:2::1/64 | ||
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| ip link del dev ul | ||
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| tc qdisc del dev $swp1 clsact | ||
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| ip link set dev $swp1 down | ||
| ip link set dev $swp2 down | ||
| ip link del dev br1 | ||
| } | ||
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| setup_prepare() | ||
| { | ||
| h1=${NETIFS[p1]} | ||
| swp1=${NETIFS[p2]} | ||
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| swp2=${NETIFS[p3]} | ||
| h2=${NETIFS[p4]} | ||
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| swp3=${NETIFS[p5]} | ||
| h3=${NETIFS[p6]} | ||
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| vrf_prepare | ||
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| h1_create | ||
| h2_create | ||
| h3_create | ||
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| switch_create | ||
| } | ||
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| cleanup() | ||
| { | ||
| pre_cleanup | ||
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| switch_destroy | ||
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| h3_destroy | ||
| h2_destroy | ||
| h1_destroy | ||
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| vrf_cleanup | ||
| } | ||
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| test_all() | ||
| { | ||
| RET=0 | ||
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| slow_path_trap_install $swp1 ingress | ||
| slow_path_trap_install $swp1 egress | ||
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| full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap w/ UL" | ||
| full_test_span_gre_dir gt6 ingress 8 0 "mirror to ip6gretap w/ UL" | ||
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| full_test_span_gre_dir gt4 egress 0 8 "mirror to gretap w/ UL" | ||
| full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap w/ UL" | ||
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| slow_path_trap_uninstall $swp1 egress | ||
| slow_path_trap_uninstall $swp1 ingress | ||
| } | ||
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| trap cleanup EXIT | ||
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| setup_prepare | ||
| setup_wait | ||
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| tcflags="skip_hw" | ||
| test_all | ||
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| if ! tc_offload_check; then | ||
| echo "WARN: Could not test offloaded functionality" | ||
| else | ||
| tcflags="skip_sw" | ||
| test_all | ||
| fi | ||
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| exit $EXIT_STATUS |