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selftests: openvswitch: add support for upcall testing

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The upcall socket interface can be exercised now to make sure that
future feature adjustments to the field can maintain backwards
compatibility.

Signed-off-by: Aaron Conole <aconole@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Aaron Conole
2023-04-14 09:17:50 -04:00
committed by David S. Miller
parent e52b07aa1a
commit 9feac87b67
2 changed files with 164 additions and 10 deletions
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38
tools/testing/selftests/net/openvswitch/openvswitch.sh
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@@ -11,7 +11,8 @@ VERBOSE=0
TRACING=0
tests="
netlink_checks ovsnl: validate netlink attrs and settings"
netlink_checks ovsnl: validate netlink attrs and settings
upcall_interfaces ovs: test the upcall interfaces"
info() {
[ $VERBOSE = 0 ] || echo $*
@@ -72,7 +73,15 @@ ovs_add_dp () {
ovs_add_if () {
info "Adding IF to DP: br:$2 if:$3"
ovs_sbx "$1" python3 $ovs_base/ovs-dpctl.py add-if "$2" "$3" || return 1
if [ "$4" != "-u" ]; then
ovs_sbx "$1" python3 $ovs_base/ovs-dpctl.py add-if "$2" "$3" \
|| return 1
else
python3 $ovs_base/ovs-dpctl.py add-if \
-u "$2" "$3" >$ovs_dir/$3.out 2>$ovs_dir/$3.err &
pid=$!
on_exit "ovs_sbx $1 kill -TERM $pid 2>/dev/null"
fi
}
ovs_del_if () {
@@ -106,7 +115,12 @@ ovs_add_netns_and_veths () {
|| return 1
fi
ovs_add_if "$1" "$2" "$4" || return 1
if [ "$7" != "-u" ]; then
ovs_add_if "$1" "$2" "$4" || return 1
else
ovs_add_if "$1" "$2" "$4" -u || return 1
fi
[ $TRACING -eq 1 ] && ovs_netns_spawn_daemon "$1" "$ns" \
tcpdump -i any -s 65535
@@ -159,6 +173,24 @@ test_netlink_checks () {
return 0
}
test_upcall_interfaces() {
sbx_add "test_upcall_interfaces" || return 1
info "setting up new DP"
ovs_add_dp "test_upcall_interfaces" ui0 -V 2:1 || return 1
ovs_add_netns_and_veths "test_upcall_interfaces" ui0 upc left0 l0 \
172.31.110.1/24 -u || return 1
sleep 1
info "sending arping"
ip netns exec upc arping -I l0 172.31.110.20 -c 1 \
>$ovs_dir/arping.stdout 2>$ovs_dir/arping.stderr
grep -E "MISS upcall\[0/yes\]: .*arp\(sip=172.31.110.1,tip=172.31.110.20,op=1,sha=" $ovs_dir/left0.out >/dev/null 2>&1 || return 1
return 0
}
run_test() {
(
tname="$1"