Add unit test for the ICMPv6 TTL exceeded packet sent by OVN
logical router when it receives an IPv6 packet whose TTL has
expired (ip.ttl == {0, 1})Signed-off-by: Lorenzo Bianconi <[email protected]> --- tests/ovn.at | 26 +++++++++++++++++++++++--- 1 file changed, 23 insertions(+), 3 deletions(-) diff --git a/tests/ovn.at b/tests/ovn.at index 48805ddb1..0185317e2 100644 --- a/tests/ovn.at +++ b/tests/ovn.at @@ -10330,6 +10330,25 @@ test_ip_packet() { as hv$hv ovs-appctl netdev-dummy/receive vif$inport $packet } +# test_ip6_packet INPORT HV ETH_SRC ETH_DST IPV6_SRC IPV6_DST IPV6_ROUTER EXP_ICMP_CHKSUM +# +# Causes a packet to be received on INPORT of the hypervisor HV. The packet is an IPv6 +# packet with ETH_SRC, ETH_DST, IPV6_SRC and IPV6_DST as specified. +# IPV6_ROUTER and EXP_ICMP_CHKSUM are the source IP and checksum of the icmpv6 ttl exceeded +# packet sent by OVN logical router +test_ip6_packet() { + local inport=$1 hv=$2 eth_src=$3 eth_dst=$4 ipv6_src=$5 ipv6_dst=$6 ipv6_router=$7 exp_icmp_chksum=$8 + shift 8 + + local ip6_hdr=6000000000151101${ipv6_src}${ipv6_dst} + local packet=${eth_dst}${eth_src}86dd${ip6_hdr}dbb8303900155bac6b646f65206676676e6d66720a + + local reply=${eth_src}${eth_dst}86dd6000000000303afe${ipv6_router}${ipv6_src}0300${exp_icmp_chksum}00000000${ip6_hdr} + echo $reply >> vif$inport.expected + + as hv$hv ovs-appctl netdev-dummy/receive vif$inport $packet +} + ip_to_hex() { printf "%02x%02x%02x%02x" "$@" } @@ -10344,7 +10363,7 @@ for i in 1 2; do ovn_attach n$i br-phys 192.168.$i.1 ovn-nbctl lsp-add sw$i sw$i-p${i}0 -- \ - lsp-set-addresses sw$i-p${i}0 "00:00:00:00:00:0$i 192.168.$i.1" + lsp-set-addresses sw$i-p${i}0 "00:00:00:00:00:0$i 192.168.$i.1 2001:db8:$i::11" ovs-vsctl -- add-port br-int vif$i -- \ set interface vif$i \ @@ -10356,10 +10375,10 @@ done ovn-nbctl lr-add lr0 for i in 1 2; do - ovn-nbctl lrp-add lr0 lrp$i 00:00:00:00:ff:0$i 192.168.$i.254/24 + ovn-nbctl lrp-add lr0 lrp$i 00:00:00:00:ff:0$i 192.168.$i.254/24 2001:db8:$i::1/64 ovn-nbctl -- lsp-add sw$i lrp$i-attachment \ -- set Logical_Switch_Port lrp$i-attachment type=router \ - options:router-port=lrp$i addresses='"00:00:00:00:ff:'0$i'"' + options:router-port=lrp$i addresses='"00:00:00:00:ff:0'$i' 192.168.'$i'.254 2001:db8:'$i'::1"' done OVN_POPULATE_ARP @@ -10367,6 +10386,7 @@ OVN_POPULATE_ARP ovn-nbctl --wait=hv sync test_ip_packet 1 1 000000000001 00000000ff01 $(ip_to_hex 192 168 1 1) $(ip_to_hex 192 168 2 1) $(ip_to_hex 192 168 1 254) 0000 7dae f4ff +test_ip6_packet 1 1 000000000001 00000000ff01 20010db8000100000000000000000011 20010db8000200000000000000000011 20010db8000100000000000000000001 d461 OVN_CHECK_PACKETS([hv1/vif1-tx.pcap], [vif1.expected]) OVN_CLEANUP([hv1], [hv2]) -- 2.17.1 _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
