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|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
ALL_TESTS="
test_set_remote
test_change_mc_remote
"
source lib.sh
check_remotes()
{
local what=$1; shift
local N=$(bridge fdb sh dev vx | grep 00:00:00:00:00:00 | wc -l)
((N == 2))
check_err $? "expected 2 remotes after $what, got $N"
}
# Check FDB default-remote handling across "ip link set".
test_set_remote()
{
RET=0
ip_link_add vx up type vxlan id 2000 dstport 4789
bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.20 self permanent
bridge fdb ap dev vx 00:00:00:00:00:00 dst 192.0.2.30 self permanent
check_remotes "fdb append"
ip link set dev vx type vxlan remote 192.0.2.30
check_remotes "link set"
log_test 'FDB default-remote handling across "ip link set"'
}
fmt_remote()
{
local addr=$1; shift
if [[ $addr == 224.* ]]; then
echo "group $addr"
else
echo "remote $addr"
fi
}
change_remote()
{
local remote=$1; shift
ip link set dev vx type vxlan $(fmt_remote $remote) dev v1
}
check_membership()
{
local check_vec=("$@")
local memberships
memberships=$(
netstat -n --groups |
sed -n '/^v1\b/p' |
grep -o '[^ ]*$'
)
check_err $? "Couldn't obtain group memberships"
local item
for item in "${check_vec[@]}"; do
eval "local $item"
echo "$memberships" | grep -q "\b$group\b"
check_err_fail $fail $? "$group is_ex reported in IGMP query response"
done
}
test_change_mc_remote()
{
check_command netstat || return
ip_link_add v1 up type veth peer name v2
ip_link_set_up v2
RET=0
ip_link_add vx up type vxlan dstport 4789 \
local 192.0.2.1 $(fmt_remote 224.1.1.1) dev v1 vni 1000
check_membership "group=224.1.1.1 fail=0" \
"group=224.1.1.2 fail=1" \
"group=224.1.1.3 fail=1"
log_test "MC group report after VXLAN creation"
RET=0
change_remote 224.1.1.2
check_membership "group=224.1.1.1 fail=1" \
"group=224.1.1.2 fail=0" \
"group=224.1.1.3 fail=1"
log_test "MC group report after changing VXLAN remote MC->MC"
RET=0
change_remote 192.0.2.2
check_membership "group=224.1.1.1 fail=1" \
"group=224.1.1.2 fail=1" \
"group=224.1.1.3 fail=1"
log_test "MC group report after changing VXLAN remote MC->UC"
}
trap defer_scopes_cleanup EXIT
tests_run
exit $EXIT_STATUS
|
