#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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#
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# Test vetoing of FDB entries that mlxsw can not offload. This exercises several
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# different veto vectors to test various rollback scenarios in the vxlan driver.
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lib_dir=$(dirname $0)/../../../net/forwarding
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ALL_TESTS="
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fdb_create_veto_test
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fdb_replace_veto_test
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fdb_append_veto_test
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fdb_changelink_veto_test
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"
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NUM_NETIFS=2
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source $lib_dir/lib.sh
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setup_prepare()
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{
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swp1=${NETIFS[p1]}
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swp2=${NETIFS[p2]}
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ip link add dev br0 type bridge mcast_snooping 0
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ip link set dev $swp1 up
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ip link set dev $swp1 master br0
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ip link set dev $swp2 up
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ip link add name vxlan0 up type vxlan id 10 nolearning noudpcsum \
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ttl 20 tos inherit local 198.51.100.1 dstport 4789
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ip link set dev vxlan0 master br0
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}
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cleanup()
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{
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pre_cleanup
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ip link set dev vxlan0 nomaster
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ip link del dev vxlan0
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ip link set dev $swp2 down
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ip link set dev $swp1 nomaster
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ip link set dev $swp1 down
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ip link del dev br0
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}
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fdb_create_veto_test()
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{
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RET=0
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bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
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dst 198.51.100.2 2>/dev/null
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check_fail $? "multicast MAC not rejected"
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bridge fdb add 01:02:03:04:05:06 dev vxlan0 self static \
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dst 198.51.100.2 2>&1 >/dev/null | grep -q mlxsw_spectrum
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check_err $? "multicast MAC rejected without extack"
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log_test "vxlan FDB veto - create"
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}
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fdb_replace_veto_test()
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{
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RET=0
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bridge fdb add 00:01:02:03:04:05 dev vxlan0 self static \
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dst 198.51.100.2
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check_err $? "valid FDB rejected"
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bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
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dst 198.51.100.2 port 1234 2>/dev/null
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check_fail $? "FDB with an explicit port not rejected"
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bridge fdb replace 00:01:02:03:04:05 dev vxlan0 self static \
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dst 198.51.100.2 port 1234 2>&1 >/dev/null \
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| grep -q mlxsw_spectrum
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check_err $? "FDB with an explicit port rejected without extack"
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log_test "vxlan FDB veto - replace"
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}
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fdb_append_veto_test()
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{
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RET=0
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bridge fdb add 00:00:00:00:00:00 dev vxlan0 self static \
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dst 198.51.100.2
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check_err $? "valid FDB rejected"
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bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
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dst 198.51.100.3 port 1234 2>/dev/null
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check_fail $? "FDB with an explicit port not rejected"
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bridge fdb append 00:00:00:00:00:00 dev vxlan0 self static \
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dst 198.51.100.3 port 1234 2>&1 >/dev/null \
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| grep -q mlxsw_spectrum
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check_err $? "FDB with an explicit port rejected without extack"
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log_test "vxlan FDB veto - append"
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}
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fdb_changelink_veto_test()
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{
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RET=0
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ip link set dev vxlan0 type vxlan \
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group 224.0.0.1 dev lo 2>/dev/null
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check_fail $? "FDB with a multicast IP not rejected"
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ip link set dev vxlan0 type vxlan \
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group 224.0.0.1 dev lo 2>&1 >/dev/null \
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| grep -q mlxsw_spectrum
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check_err $? "FDB with a multicast IP rejected without extack"
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log_test "vxlan FDB veto - changelink"
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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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tests_run
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exit $EXIT_STATUS
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