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Merge branch 'Add-a-mlxsw-specific-test-for-mirror-to-gretap'
Petr Machata says: ==================== Add a mlxsw-specific test for mirror-to-gretap Some configurations of mirror-to-gretap are impossible for mlxsw to offload. Add a test that checks that these out-of-domain conditions are handled properly by mlxsw. In patch #1, fix mirror_gre_lib.sh and mirror_gre_topo_lib.sh so that they can be imported from directories other than forwarding/. In patch #2, add a test to check handling of several scenarios that mlxsw is expected to fail to offload. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller
commit
26476f6a12
217
tools/testing/selftests/drivers/net/mlxsw/mirror_gre.sh
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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 $EXIT_STATUS
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@ -1,6 +1,6 @@
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# SPDX-License-Identifier: GPL-2.0
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source mirror_lib.sh
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source "$relative_path/mirror_lib.sh"
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quick_test_span_gre_dir_ips()
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{
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@ -33,7 +33,7 @@
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# | |
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# +-------------------------------------------------------------------------+
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source mirror_topo_lib.sh
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source "$relative_path/mirror_topo_lib.sh"
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mirror_gre_topo_h3_create()
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{
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