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fib/test_fib.py: User IPv6 addresses in outer header for IPinIPHashTest #21308

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fib/test_fib.py: User IPv6 addresses in outer header for IPinIPHashTest #21308

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55 changes: 37 additions & 18 deletions ansible/roles/test/files/ptftests/py3/hash_test.py
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Original file line number Diff line number Diff line change
Expand Up @@ -25,6 +25,7 @@
from ptf.testutils import send_packet
from ptf.testutils import verify_packet_any_port
from ptf.testutils import simple_ipv4ip_packet
from ptf.testutils import simple_ipv6ip_packet
from ptf.testutils import simple_vxlan_packet
from ptf.testutils import simple_vxlanv6_packet
from ptf.testutils import simple_nvgre_packet
Expand Down Expand Up @@ -105,6 +106,7 @@ def setUp(self):
self.ipver = self.test_params.get('ipver', 'ipv4')
self.is_active_active_dualtor = self.test_params.get("is_active_active_dualtor", False)
self.topo_name = self.test_params.get('topo_name', '')
self.is_v6_topo = "isolated-v6" in self.topo_name

self.topo_type = self.test_params.get('topo_type', '')
# set the base mac here to make it persistent across calls of check_ip_route
Expand Down Expand Up @@ -656,14 +658,19 @@ def create_packets_logs(
"""
@summary: return list of packets sending logs
"""
outer_ip_ver = "IPv6" if self.is_v6_topo else "IP"
next_header_key = "nh" if self.is_v6_topo else "proto"
outer_proto = ipinip_pkt[outer_ip_ver].nh if self.is_v6_topo else ipinip_pkt[outer_ip_ver].proto
logs = []
logs.append('Sent Ether(src={}, dst={})/IP(src={}, dst={}, proto={})/{}(src={}, '
logs.append('Sent Ether(src={}, dst={})/{}(src={}, dst={}, {}={})/{}(src={}, '
'dst={}, proto={})/TCP(sport={}, dport={} on port {})'
.format(ipinip_pkt.src,
ipinip_pkt.dst,
ipinip_pkt['IP'].src,
ipinip_pkt['IP'].dst,
ipinip_pkt['IP'].proto,
outer_ip_ver,
ipinip_pkt[outer_ip_ver].src,
ipinip_pkt[outer_ip_ver].dst,
next_header_key,
outer_proto,
version,
pkt[version].src,
pkt[version].dst,
Expand All @@ -674,13 +681,14 @@ def create_packets_logs(
return logs

def set_packet_parameter(self, pkt, exp_pkt, hash_key, ip_proto, version='IP'):
outer_ip_ver = "IPv6" if self.is_v6_topo else "IP"
if hash_key == 'ip-proto':
if version == 'IP':
pkt['IP'].payload.proto = ip_proto
exp_pkt['IP'].payload.proto = ip_proto
pkt[outer_ip_ver].payload.proto = ip_proto
exp_pkt[outer_ip_ver].payload.proto = ip_proto
else:
pkt['IP'].payload['IPv6'].nh = ip_proto
exp_pkt['IP'].payload['IPv6'].nh = ip_proto
pkt[outer_ip_ver].payload['IPv6'].nh = ip_proto
exp_pkt[outer_ip_ver].payload['IPv6'].nh = ip_proto

def create_pkt(
self, router_mac, src_mac, dst_mac, ip_src, ip_dst, sport, dport, version='IP',
Expand All @@ -699,7 +707,6 @@ def create_pkt(
tcp_sport=sport,
tcp_dport=dport,
ip_ttl=64)
func = simple_ipv4ip_packet
else:
pkt = simple_tcpv6_packet(pktlen=inner_pkt_len if vlan_id == 0 else inner_pkt_len + 4,
dl_vlan_enable=False if vlan_id == 0 else True,
Expand All @@ -710,15 +717,24 @@ def create_pkt(
tcp_sport=sport,
tcp_dport=dport,
ipv6_hlim=64)
func = simple_ipv4ip_packet
ipinip_pkt = func(
eth_dst=router_mac,
eth_src=src_mac,
ip_src=outer_src_ip,
ip_dst=outer_dst_ip,
inner_frame=pkt[version])
exp_pkt = ipinip_pkt.copy()
exp_pkt['IP'].ttl -= 1
if self.is_v6_topo:
ipinip_pkt = simple_ipv6ip_packet(
eth_dst=router_mac,
eth_src=src_mac,
ipv6_src=outer_src_ipv6,
ipv6_dst=outer_dst_ipv6,
inner_frame=pkt['IPv6'])
exp_pkt = ipinip_pkt.copy()
exp_pkt['IPV6'].hlim -= 1
else:
ipinip_pkt = simple_ipv4ip_packet(
eth_dst=router_mac,
eth_src=src_mac,
ip_src=outer_src_ip,
ip_dst=outer_dst_ip,
inner_frame=pkt[version])
exp_pkt = ipinip_pkt.copy()
exp_pkt['IP'].ttl -= 1
return pkt, exp_pkt, ipinip_pkt

def apply_mask_to_exp_pkt(self, masked_exp_pkt, version='IP'):
Expand Down Expand Up @@ -751,6 +767,9 @@ def check_hash(self, hash_key):
# The outer_src_ip and outer_dst_ip are fixed
outer_src_ip = '80.1.0.31'
outer_dst_ip = '80.1.0.32'
if self.is_v6_topo:
outer_src_ip = '80::31'
outer_dst_ip = '80::32'
src_port, exp_port_lists, next_hops = self.get_src_and_exp_ports(
outer_dst_ip)
if self.switch_type == "chassis-packet":
Expand Down
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