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eae1e92a1d
Changes to MC remote need to be reflected in actual group memberships. Add a test to verify that it is the case. Signed-off-by: Petr Machata <petrm@nvidia.com> Reviewed-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
115 lines
2.2 KiB
Bash
Executable File
115 lines
2.2 KiB
Bash
Executable File
#!/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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ALL_TESTS="
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test_set_remote
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test_change_mc_remote
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"
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source lib.sh
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check_remotes()
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{
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local what=$1; shift
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local N=$(bridge fdb sh dev vx | grep 00:00:00:00:00:00 | wc -l)
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((N == 2))
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check_err $? "expected 2 remotes after $what, got $N"
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}
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# Check FDB default-remote handling across "ip link set".
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test_set_remote()
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{
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RET=0
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ip_link_add vx up type vxlan id 2000 dstport 4789
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bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.20 self permanent
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bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.30 self permanent
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check_remotes "fdb append"
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ip link set dev vx type vxlan remote 192.0.2.30
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check_remotes "link set"
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log_test 'FDB default-remote handling across "ip link set"'
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}
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fmt_remote()
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{
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local addr=$1; shift
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if [[ $addr == 224.* ]]; then
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echo "group $addr"
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else
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echo "remote $addr"
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fi
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}
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change_remote()
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{
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local remote=$1; shift
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ip link set dev vx type vxlan $(fmt_remote $remote) dev v1
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}
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check_membership()
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{
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local check_vec=("$@")
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local memberships
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memberships=$(
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netstat -n --groups |
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sed -n '/^v1\b/p' |
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grep -o '[^ ]*$'
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)
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check_err $? "Couldn't obtain group memberships"
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local item
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for item in "${check_vec[@]}"; do
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eval "local $item"
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echo "$memberships" | grep -q "\b$group\b"
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check_err_fail $fail $? "$group is_ex reported in IGMP query response"
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done
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}
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test_change_mc_remote()
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{
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check_command netstat || return
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ip_link_add v1 up type veth peer name v2
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ip_link_set_up v2
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RET=0
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ip_link_add vx up type vxlan dstport 4789 \
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local 192.0.2.1 $(fmt_remote 224.1.1.1) dev v1 vni 1000
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check_membership "group=224.1.1.1 fail=0" \
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"group=224.1.1.2 fail=1" \
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"group=224.1.1.3 fail=1"
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log_test "MC group report after VXLAN creation"
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RET=0
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change_remote 224.1.1.2
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check_membership "group=224.1.1.1 fail=1" \
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"group=224.1.1.2 fail=0" \
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"group=224.1.1.3 fail=1"
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log_test "MC group report after changing VXLAN remote MC->MC"
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RET=0
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change_remote 192.0.2.2
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check_membership "group=224.1.1.1 fail=1" \
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"group=224.1.1.2 fail=1" \
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"group=224.1.1.3 fail=1"
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log_test "MC group report after changing VXLAN remote MC->UC"
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}
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trap defer_scopes_cleanup EXIT
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tests_run
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exit $EXIT_STATUS
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