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[vnet/vxlan] Add support of multiple mappers for the VxLAN tunnel (so…
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…nic-net#1843)

Added ability to configure VXLAN tunnel with 2 decapsulation mappers (VRF and VLAN mappers)
Signed-off-by: Andriy Yurkiv <ayurkiv@nvidia.com>
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@ayurkiv-nvda
ayurkiv-nvda authored Aug 11, 2021
1 parent 7280e19 commit d8ca31c
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Showing 3 changed files with 64 additions and 14 deletions.
13 changes: 9 additions & 4 deletions orchagent/vxlanorch.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -863,7 +863,7 @@ bool VxlanTunnel::deleteTunnelHw(uint8_t mapper_list, tunnel_map_use_t map_src,
//Creation of SAI Tunnel Object with multiple mapper types

bool VxlanTunnel::createTunnelHw(uint8_t mapper_list, tunnel_map_use_t map_src,
bool with_term)
bool with_term, sai_uint8_t encap_ttl)
{
bool p2p = false;

Expand All @@ -883,7 +883,7 @@ bool VxlanTunnel::createTunnelHw(uint8_t mapper_list, tunnel_map_use_t map_src,
SWSS_LOG_WARN("creation src = %d",src_creation_);
}

ids_.tunnel_id = create_tunnel(&ids_, &ips, ip, gUnderlayIfId, p2p);
ids_.tunnel_id = create_tunnel(&ids_, &ips, ip, gUnderlayIfId, p2p, encap_ttl);

if (with_term)
{
Expand Down Expand Up @@ -1242,11 +1242,16 @@ bool VxlanTunnelOrch::createVxlanTunnelMap(string tunnelName, tunnel_map_type_t
{
if (map == TUNNEL_MAP_T_VIRTUAL_ROUTER)
{
tunnel_obj->createTunnel(MAP_T::VRID_TO_VNI, MAP_T::VNI_TO_VRID, encap_ttl);
uint8_t mapper_list = 0;
TUNNELMAP_SET_VLAN(mapper_list);
TUNNELMAP_SET_VRF(mapper_list);
tunnel_obj->createTunnelHw(mapper_list, TUNNEL_MAP_USE_DEDICATED_ENCAP_DECAP , true, encap_ttl);
}
else if (map == TUNNEL_MAP_T_BRIDGE)
{
tunnel_obj->createTunnel(MAP_T::BRIDGE_TO_VNI, MAP_T::VNI_TO_BRIDGE, encap_ttl);
uint8_t mapper_list = 0;
TUNNELMAP_SET_BRIDGE(mapper_list);
tunnel_obj->createTunnelHw(mapper_list, TUNNEL_MAP_USE_DEDICATED_ENCAP_DECAP, true, encap_ttl);
}
}

Expand Down
2 changes: 1 addition & 1 deletion orchagent/vxlanorch.h
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Original file line number Diff line number Diff line change
Expand Up @@ -181,7 +181,7 @@ class VxlanTunnel

bool deleteMapperHw(uint8_t mapper_list, tunnel_map_use_t map_src);
bool createMapperHw(uint8_t mapper_list, tunnel_map_use_t map_src);
bool createTunnelHw(uint8_t mapper_list, tunnel_map_use_t map_src, bool with_term = true);
bool createTunnelHw(uint8_t mapper_list, tunnel_map_use_t map_src, bool with_term = true, sai_uint8_t encap_ttl=0);
bool deleteTunnelHw(uint8_t mapper_list, tunnel_map_use_t map_src, bool with_term = true);
void deletePendingSIPTunnel();
void increment_spurious_imr_add(const std::string remote_vtep);
Expand Down
63 changes: 54 additions & 9 deletions tests/test_vnet.py
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Original file line number Diff line number Diff line change
Expand Up @@ -354,6 +354,20 @@ def create_vxlan_tunnel(dvs, name, src_ip):
)


def create_vxlan_tunnel_map(dvs, tunnel_name, tunnel_map_entry_name, vlan, vni_id):
conf_db = swsscommon.DBConnector(swsscommon.CONFIG_DB, dvs.redis_sock, 0)

# create the VXLAN tunnel map entry in Config DB
create_entry_tbl(
conf_db,
"VXLAN_TUNNEL_MAP", '|', "%s|%s" % (tunnel_name, tunnel_map_entry_name),
[
("vni", vni_id),
("vlan", vlan),
],
)


def get_lo(dvs):
asic_db = swsscommon.DBConnector(swsscommon.ASIC_DB, dvs.redis_sock, 0)
vr_id = get_default_vr_id(dvs)
Expand Down Expand Up @@ -451,34 +465,46 @@ def check_vxlan_tunnel(self, dvs, tunnel_name, src_ip):
asic_db = swsscommon.DBConnector(swsscommon.ASIC_DB, dvs.redis_sock, 0)
global loopback_id, def_vr_id

tunnel_map_id = get_created_entries(asic_db, self.ASIC_TUNNEL_MAP, self.tunnel_map_ids, 2)
tunnel_map_id = get_created_entries(asic_db, self.ASIC_TUNNEL_MAP, self.tunnel_map_ids, 4)
tunnel_id = get_created_entry(asic_db, self.ASIC_TUNNEL_TABLE, self.tunnel_ids)
tunnel_term_id = get_created_entry(asic_db, self.ASIC_TUNNEL_TERM_ENTRY, self.tunnel_term_ids)

# check that the vxlan tunnel termination are there
assert how_many_entries_exist(asic_db, self.ASIC_TUNNEL_MAP) == (len(self.tunnel_map_ids) + 2), "The TUNNEL_MAP wasn't created"
assert how_many_entries_exist(asic_db, self.ASIC_TUNNEL_MAP) == (len(self.tunnel_map_ids) + 4), "The TUNNEL_MAP wasn't created"
assert how_many_entries_exist(asic_db, self.ASIC_TUNNEL_MAP_ENTRY) == len(self.tunnel_map_entry_ids), "The TUNNEL_MAP_ENTRY is created"
assert how_many_entries_exist(asic_db, self.ASIC_TUNNEL_TABLE) == (len(self.tunnel_ids) + 1), "The TUNNEL wasn't created"
assert how_many_entries_exist(asic_db, self.ASIC_TUNNEL_TERM_ENTRY) == (len(self.tunnel_term_ids) + 1), "The TUNNEL_TERM_TABLE_ENTRY wasm't created"

check_object(asic_db, self.ASIC_TUNNEL_MAP, tunnel_map_id[0],
check_object(asic_db, self.ASIC_TUNNEL_MAP, tunnel_map_id[2],
{
'SAI_TUNNEL_MAP_ATTR_TYPE': 'SAI_TUNNEL_MAP_TYPE_VNI_TO_VIRTUAL_ROUTER_ID',
}
)

check_object(asic_db, self.ASIC_TUNNEL_MAP, tunnel_map_id[1],
check_object(asic_db, self.ASIC_TUNNEL_MAP, tunnel_map_id[3],
{
'SAI_TUNNEL_MAP_ATTR_TYPE': 'SAI_TUNNEL_MAP_TYPE_VIRTUAL_ROUTER_ID_TO_VNI',
}
)

check_object(asic_db, self.ASIC_TUNNEL_MAP, tunnel_map_id[0],
{
'SAI_TUNNEL_MAP_ATTR_TYPE': 'SAI_TUNNEL_MAP_TYPE_VNI_TO_VLAN_ID',
}
)

check_object(asic_db, self.ASIC_TUNNEL_MAP, tunnel_map_id[1],
{
'SAI_TUNNEL_MAP_ATTR_TYPE': 'SAI_TUNNEL_MAP_TYPE_VLAN_ID_TO_VNI',
}
)

check_object(asic_db, self.ASIC_TUNNEL_TABLE, tunnel_id,
{
'SAI_TUNNEL_ATTR_TYPE': 'SAI_TUNNEL_TYPE_VXLAN',
'SAI_TUNNEL_ATTR_UNDERLAY_INTERFACE': loopback_id,
'SAI_TUNNEL_ATTR_DECAP_MAPPERS': '1:%s' % tunnel_map_id[0],
'SAI_TUNNEL_ATTR_ENCAP_MAPPERS': '1:%s' % tunnel_map_id[1],
'SAI_TUNNEL_ATTR_DECAP_MAPPERS': '2:%s,%s' % (tunnel_map_id[0], tunnel_map_id[2]),
'SAI_TUNNEL_ATTR_ENCAP_MAPPERS': '2:%s,%s' % (tunnel_map_id[1], tunnel_map_id[3]),
'SAI_TUNNEL_ATTR_ENCAP_SRC_IP': src_ip,
}
)
Expand Down Expand Up @@ -506,7 +532,7 @@ def check_vxlan_tunnel_entry(self, dvs, tunnel_name, vnet_name, vni_id):
time.sleep(2)

if (self.tunnel_map_map.get(tunnel_name) is None):
tunnel_map_id = get_created_entries(asic_db, self.ASIC_TUNNEL_MAP, self.tunnel_map_ids, 2)
tunnel_map_id = get_created_entries(asic_db, self.ASIC_TUNNEL_MAP, self.tunnel_map_ids, 4)
else:
tunnel_map_id = self.tunnel_map_map[tunnel_name]

Expand All @@ -518,7 +544,7 @@ def check_vxlan_tunnel_entry(self, dvs, tunnel_name, vnet_name, vni_id):
check_object(asic_db, self.ASIC_TUNNEL_MAP_ENTRY, tunnel_map_entry_id[0],
{
'SAI_TUNNEL_MAP_ENTRY_ATTR_TUNNEL_MAP_TYPE': 'SAI_TUNNEL_MAP_TYPE_VIRTUAL_ROUTER_ID_TO_VNI',
'SAI_TUNNEL_MAP_ENTRY_ATTR_TUNNEL_MAP': tunnel_map_id[1],
'SAI_TUNNEL_MAP_ENTRY_ATTR_TUNNEL_MAP': tunnel_map_id[3],
'SAI_TUNNEL_MAP_ENTRY_ATTR_VIRTUAL_ROUTER_ID_KEY': self.vr_map[vnet_name].get('ing'),
'SAI_TUNNEL_MAP_ENTRY_ATTR_VNI_ID_VALUE': vni_id,
}
Expand All @@ -527,7 +553,7 @@ def check_vxlan_tunnel_entry(self, dvs, tunnel_name, vnet_name, vni_id):
check_object(asic_db, self.ASIC_TUNNEL_MAP_ENTRY, tunnel_map_entry_id[1],
{
'SAI_TUNNEL_MAP_ENTRY_ATTR_TUNNEL_MAP_TYPE': 'SAI_TUNNEL_MAP_TYPE_VNI_TO_VIRTUAL_ROUTER_ID',
'SAI_TUNNEL_MAP_ENTRY_ATTR_TUNNEL_MAP': tunnel_map_id[0],
'SAI_TUNNEL_MAP_ENTRY_ATTR_TUNNEL_MAP': tunnel_map_id[2],
'SAI_TUNNEL_MAP_ENTRY_ATTR_VNI_ID_KEY': vni_id,
'SAI_TUNNEL_MAP_ENTRY_ATTR_VIRTUAL_ROUTER_ID_VALUE': self.vr_map[vnet_name].get('egr'),
}
Expand Down Expand Up @@ -1080,6 +1106,25 @@ def test_vnet_orch_5(self, dvs, testlog):
vnet_obj.check_default_vnet_entry(dvs, 'Vnet_5')
vnet_obj.check_vxlan_tunnel_entry(dvs, tunnel_name, 'Vnet_5', '4789')

'''
Test 6 - Test VxLAN tunnel with multiple maps
'''
def test_vnet_vxlan_multi_map(self, dvs, testlog):
vnet_obj = self.get_vnet_obj()

tunnel_name = 'tunnel_v4'

vnet_obj.fetch_exist_entries(dvs)

create_vxlan_tunnel(dvs, tunnel_name, '10.1.0.32')
create_vnet_entry(dvs, 'Vnet1', tunnel_name, '10001', "")

vnet_obj.check_vnet_entry(dvs, 'Vnet1')
vnet_obj.check_vxlan_tunnel_entry(dvs, tunnel_name, 'Vnet1', '10001')
vnet_obj.check_vxlan_tunnel(dvs, tunnel_name, '10.1.0.32')

create_vxlan_tunnel_map(dvs, tunnel_name, 'map_1', 'Vlan1000', '1000')


# Add Dummy always-pass test at end as workaroud
# for issue when Flaky fail on final test it invokes module tear-down before retrying
Expand Down

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