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selftests: mlxsw: Add mlxsw-specific test for mirror to gretap
Test several aspects of offloading mirror to gretap and ip6gretap netdevices that are specific to mlxsw, such as requirements for TTL and TOS values. 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
e88bc0f25b
commit
1ba97e6725
217
tools/testing/selftests/drivers/net/mlxsw/mirror_gre.sh
Executable file
217
tools/testing/selftests/drivers/net/mlxsw/mirror_gre.sh
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#!/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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# ../../../net/forwarding/mirror_gre_topo_lib.sh for more details.
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#
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# Test offloading various features of offloading gretap mirrors specific to
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# mlxsw.
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lib_dir=$(dirname $0)/../../../net/forwarding
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NUM_NETIFS=6
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source $lib_dir/lib.sh
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source $lib_dir/mirror_lib.sh
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source $lib_dir/mirror_gre_lib.sh
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source $lib_dir/mirror_gre_topo_lib.sh
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setup_keyful()
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{
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tunnel_create gt6-key ip6gretap 2001:db8:3::1 2001:db8:3::2 \
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ttl 100 tos inherit allow-localremote \
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key 1234
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tunnel_create h3-gt6-key ip6gretap 2001:db8:3::2 2001:db8:3::1 \
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key 1234
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ip link set h3-gt6-key vrf v$h3
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matchall_sink_create h3-gt6-key
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ip address add dev $swp3 2001:db8:3::1/64
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ip address add dev $h3 2001:db8:3::2/64
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}
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cleanup_keyful()
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{
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ip address del dev $h3 2001:db8:3::2/64
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ip address del dev $swp3 2001:db8:3::1/64
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tunnel_destroy h3-gt6-key
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tunnel_destroy gt6-key
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}
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setup_soft()
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{
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# Set up a topology for testing underlay routes that point at an
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# unsupported soft device.
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tunnel_create gt6-soft ip6gretap 2001:db8:4::1 2001:db8:4::2 \
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ttl 100 tos inherit allow-localremote
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tunnel_create h3-gt6-soft ip6gretap 2001:db8:4::2 2001:db8:4::1
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ip link set h3-gt6-soft vrf v$h3
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matchall_sink_create h3-gt6-soft
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ip link add name v1 type veth peer name v2
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ip link set dev v1 up
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ip address add dev v1 2001:db8:4::1/64
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ip link set dev v2 vrf v$h3
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ip link set dev v2 up
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ip address add dev v2 2001:db8:4::2/64
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}
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cleanup_soft()
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{
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ip link del dev v1
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tunnel_destroy h3-gt6-soft
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tunnel_destroy gt6-soft
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}
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setup_prepare()
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{
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h1=${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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mirror_gre_topo_create
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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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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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setup_keyful
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setup_soft
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}
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cleanup()
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{
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pre_cleanup
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cleanup_soft
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cleanup_keyful
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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_ttl_inherit()
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{
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local tundev=$1; shift
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local type=$1; shift
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local what=$1; shift
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RET=0
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ip link set dev $tundev type $type ttl inherit
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mirror_install $swp1 ingress $tundev "matchall $tcflags"
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fail_test_span_gre_dir $tundev ingress
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ip link set dev $tundev type $type ttl 100
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quick_test_span_gre_dir $tundev ingress
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mirror_uninstall $swp1 ingress
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log_test "$what: no offload on TTL of inherit ($tcflags)"
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}
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test_span_gre_tos_fixed()
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{
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local tundev=$1; shift
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local type=$1; shift
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local what=$1; shift
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RET=0
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ip link set dev $tundev type $type tos 0x10
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mirror_install $swp1 ingress $tundev "matchall $tcflags"
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fail_test_span_gre_dir $tundev ingress
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ip link set dev $tundev type $type tos inherit
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quick_test_span_gre_dir $tundev ingress
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mirror_uninstall $swp1 ingress
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log_test "$what: no offload on a fixed TOS ($tcflags)"
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}
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test_span_failable()
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{
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local should_fail=$1; shift
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local tundev=$1; shift
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local what=$1; shift
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RET=0
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mirror_install $swp1 ingress $tundev "matchall $tcflags"
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if ((should_fail)); then
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fail_test_span_gre_dir $tundev ingress
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else
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quick_test_span_gre_dir $tundev ingress
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fi
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mirror_uninstall $swp1 ingress
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log_test "$what: should_fail=$should_fail ($tcflags)"
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}
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test_failable()
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{
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local should_fail=$1; shift
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test_span_failable $should_fail gt6-key "mirror to keyful gretap"
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test_span_failable $should_fail gt6-soft "mirror to gretap w/ soft underlay"
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}
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test_sw()
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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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test_failable 0
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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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test_hw()
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{
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test_failable 1
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test_span_gre_tos_fixed gt4 gretap "mirror to gretap"
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test_span_gre_tos_fixed gt6 ip6gretap "mirror to ip6gretap"
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test_span_gre_ttl_inherit gt4 gretap "mirror to gretap"
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test_span_gre_ttl_inherit gt6 ip6gretap "mirror to ip6gretap"
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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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if ! tc_offload_check; then
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check_err 1 "Could not test offloaded functionality"
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log_test "mlxsw-specific tests for mirror to gretap"
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exit
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fi
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tcflags="skip_hw"
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test_sw
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tcflags="skip_sw"
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test_hw
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exit $EXIT_STATUS
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