These tests sometimes fail on the netdev CI because the expected number
of packets is larger than expected [1].
Make the tests more robust by specifically matching on VXLAN
encapsulated packets and allowing up to five stray packets instead of
just two.
[1]
[...]
# TEST: VXLAN: ECN encap: 0x00->0x00 [FAIL]
# v1: Expected to capture 10 packets, got 13.
# TEST: VXLAN: ECN encap: 0x01->0x01 [ OK ]
# TEST: VXLAN: ECN encap: 0x02->0x02 [ OK ]
# TEST: VXLAN: ECN encap: 0x03->0x02 [ OK ]
[...]
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Link: https://lore.kernel.org/r/20240304095612.462900-6-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
local delta=$((t1 - t0))
# Tolerate a couple stray extra packets.
- ((expect <= delta && delta <= expect + 2))
+ ((expect <= delta && delta <= expect + 5))
check_err $? "$capture_dev: Expected to capture $expect packets, got $delta."
}
RET=0
tc filter add dev v1 egress pref 77 prot ip \
- flower ip_tos $tos action pass
+ flower ip_tos $tos ip_proto udp dst_port $VXPORT action pass
sleep 1
vxlan_ping_test $h1 192.0.2.3 "-Q $q" v1 egress 77 10
tc filter del dev v1 egress pref 77 prot ip
local delta=$((t1 - t0))
# Tolerate a couple stray extra packets.
- ((expect <= delta && delta <= expect + 2))
+ ((expect <= delta && delta <= expect + 5))
check_err $? "$capture_dev: Expected to capture $expect packets, got $delta."
}
RET=0
tc filter add dev v1 egress pref 77 protocol ipv6 \
- flower ip_tos $tos action pass
+ flower ip_tos $tos ip_proto udp dst_port $VXPORT action pass
sleep 1
vxlan_ping_test $h1 2001:db8:1::3 "-Q $q" v1 egress 77 10
tc filter del dev v1 egress pref 77 protocol ipv6