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>
This commit is contained in:
Petr Machata
David S. Miller
parent
304f009cc3
commit
16585cbe20
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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 | | H2 |
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# | + $h1 | | $h2 + |
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# | | 192.0.2.1/28 | | 192.0.2.2/28 | |
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# +-----|---------------+ +---------------|-----+
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# | |
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# +-----|-------------------------------------------------------------|-----+
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# | SW o--> mirror | |
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# | +---|-------------------------------------------------------------|---+ |
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# | | + $swp1 BR $swp2 + | |
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# | +---------------------------------------------------------------------+ |
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# | |
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# | +---------------------------------------------------------------------+ |
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# | | OL + gt6 (ip6gretap) + gt4 (gretap) | |
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# | | : loc=2001:db8:2::1 : loc=192.0.2.129 | |
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# | | : rem=2001:db8:2::2 : rem=192.0.2.130 | |
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# | | : ttl=100 : ttl=100 | |
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# | | : tos=inherit : tos=inherit | |
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# | +-------------------------:--|-------------------:--|-----------------+ |
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# | : | : | |
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# | +-------------------------:--|-------------------:--|-----------------+ |
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# | | UL : |,---------------------' | |
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# | | + $swp3 : || : | |
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# | | | 192.0.2.129/28 : vv : | |
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# | | | 2001:db8:2::1/64 : + ul (dummy) : | |
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# | +---|---------------------:----------------------:--------------------+ |
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# +-----|---------------------:----------------------:----------------------+
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# | : :
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# +-----|---------------------:----------------------:----------------------+
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# | H3 + $h3 + h3-gt6 (ip6gretap) + h3-gt4 (gretap) |
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# | 192.0.2.130/28 loc=2001:db8:2::2 loc=192.0.2.130 |
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# | 2001:db8:2::2/64 rem=2001:db8:2::1 rem=192.0.2.129 |
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# | ttl=100 ttl=100 |
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# | tos=inherit tos=inherit |
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# | |
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# +-------------------------------------------------------------------------+
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#
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# This tests mirroring to gretap and ip6gretap configured in an overlay /
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# underlay manner, i.e. with a bound dummy device that marks underlay VRF where
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# the encapsulated packed should be routed.
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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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h1_create()
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{
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simple_if_init $h1 192.0.2.1/28
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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
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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
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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
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}
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h3_create()
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{
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simple_if_init $h3 192.0.2.130/28 2001:db8:2::2/64
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tunnel_create h3-gt4 gretap 192.0.2.130 192.0.2.129
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ip link set h3-gt4 vrf v$h3
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matchall_sink_create h3-gt4
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tunnel_create h3-gt6 ip6gretap 2001:db8:2::2 2001:db8:2::1
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ip link set h3-gt6 vrf v$h3
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matchall_sink_create h3-gt6
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}
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h3_destroy()
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{
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tunnel_destroy h3-gt6
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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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}
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switch_create()
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{
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# Bridge between H1 and H2.
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ip link add name br1 type bridge vlan_filtering 1
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ip link set dev br1 up
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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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tc qdisc add dev $swp1 clsact
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# Underlay.
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simple_if_init $swp3 192.0.2.129/28 2001:db8:2::1/64
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ip link add name ul type dummy
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ip link set dev ul master v$swp3
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ip link set dev ul up
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# Overlay.
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vrf_create vrf-ol
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ip link set dev vrf-ol up
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tunnel_create gt4 gretap 192.0.2.129 192.0.2.130 \
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ttl 100 tos inherit dev ul
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ip link set dev gt4 master vrf-ol
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ip link set dev gt4 up
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tunnel_create gt6 ip6gretap 2001:db8:2::1 2001:db8:2::2 \
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ttl 100 tos inherit dev ul allow-localremote
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ip link set dev gt6 master vrf-ol
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ip link set dev gt6 up
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}
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switch_destroy()
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{
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vrf_destroy vrf-ol
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tunnel_destroy gt6
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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
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ip link set dev $swp2 down
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ip link del dev br1
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}
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setup_prepare()
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{
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h1=${NETIFS[p1]}
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swp1=${NETIFS[p2]}
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swp2=${NETIFS[p3]}
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h2=${NETIFS[p4]}
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swp3=${NETIFS[p5]}
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h3=${NETIFS[p6]}
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vrf_prepare
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h1_create
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h2_create
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h3_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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h3_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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test_all()
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{
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RET=0
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slow_path_trap_install $swp1 ingress
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slow_path_trap_install $swp1 egress
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full_test_span_gre_dir gt4 ingress 8 0 "mirror to gretap w/ UL"
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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"
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full_test_span_gre_dir gt6 egress 0 8 "mirror to ip6gretap w/ UL"
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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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