- for dest_addr in cls.ip4_range(next_hop_address, ip_range_start,
- ip_range_end):
- # add host route so dest_addr will not be resolved
- cls.vapi.ip_add_del_route(dest_addr, 32, next_hop_address)
- r = cls.vapi.vxlan_add_del_tunnel(
- src_addr=cls.pg0.local_ip4n,
- dst_addr=dest_addr,
- vni=vni)
- cls.vapi.sw_interface_set_l2_bridge(r.sw_if_index, bd_id=vni)
+ for dest_ip4n in ip4n_range(next_hop_address, ip_range_start,
+ ip_range_end):
+ # add host route so dest_ip4n will not be resolved
+ cls.vapi.ip_add_del_route(dst_address=dest_ip4n,
+ dst_address_length=32,
+ next_hop_address=next_hop_address)
+ r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+ dst_address=dest_ip4n, vni=vni)
+ cls.vapi.sw_interface_set_l2_bridge(rx_sw_if_index=r.sw_if_index,
+ bd_id=vni)
+
+ @classmethod
+ def add_del_shared_mcast_dst_load(cls, is_add):
+ """
+ add or del tunnels sharing the same mcast dst
+ to test vxlan ref_count mechanism
+ """
+ n_shared_dst_tunnels = 20
+ vni_start = 10000
+ vni_end = vni_start + n_shared_dst_tunnels
+ for vni in range(vni_start, vni_end):
+ r = cls.vapi.vxlan_add_del_tunnel(src_address=cls.pg0.local_ip4n,
+ dst_address=cls.mcast_ip4n,
+ mcast_sw_if_index=1,
+ is_add=is_add, vni=vni)
+ if r.sw_if_index == 0xffffffff:
+ raise ValueError("bad sw_if_index: ~0")