test/vpp_mpls_tunnel_interface.py


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
@media only all and (prefers-color-scheme: dark) {
.highlight .hll { background-color: #49483e }
.highlight .c { color: #75715e } /* Comment */
.highlight .err { color: #960050; background-color: #1e0010 } /* Error */
.highlight .k { color: #66d9ef } /* Keyword */
.highlight .l { color: #ae81ff } /* Literal */
.highlight .n { color: #f8f8f2 } /* Name */
.highlight .o { color: #f92672 } /* Operator */
.highlight .p { color: #f8f8f2 } /* Punctuation */
.highlight .ch { color: #75715e } /* Comment.Hashbang */
.highlight .cm { color: #75715e } /* Comment.Multiline */
.highlight .cp { color: #75715e } /* Comment.Preproc */
.highlight .cpf { color: #7571from vpp_interface import VppInterface


class VppMPLSTunnelInterface(VppInterface):
    """
    VPP MPLS Tunnel interface
    """

    def __init__(self, test, paths, is_multicast=0, is_l2=0):
        """ Create MPLS Tunnel interface """
        super(VppMPLSTunnelInterface, self).__init__(test)
        self.t_paths = paths
        self.is_multicast = is_multicast
        self.is_l2 = is_l2

    def add_vpp_config(self):
        sw_if_index = 0xffffffff
        for path in self.t_paths:
            lstack = path.encode_labels()

            reply = self.test.vapi.mpls_tunnel_add_del(
                sw_if_index,
                1,  # IPv4 next-hop
                path.nh_addr,
                path.nh_itf,
                path.nh_table_id,
                path.weight,
                next_hop_via_label=path.nh_via_label,
                next_hop_out_label_stack=lstack,
                next_hop_n_out_labels=len(lstack),
                is_multicast=self.is_multicast,
                l2_only=self.is_l2)
            sw_if_index = reply.sw_if_index
            self.tunnel_index = reply.tunnel_index
        self.set_sw_if_index(sw_if_index)
        self._test.registry.register(self, self._test.logger)

    def remove_vpp_config(self):
        for path in self.t_paths:
            lstack = path.encode_labels()

            self.test.vapi.mpls_tunnel_add_del(
                self.sw_if_index,
                1,  # IPv4 next-hop
                path.nh_addr,
                path.nh_itf,
                path.nh_table_id,
                path.weight,
                next_hop_via_label=path.nh_via_label,
                next_hop_out_label_stack=lstack,
                next_hop_n_out_labels=len(lstack),
                is_add=0)

    def query_vpp_config(self):
        dump = self._test.vapi.mpls_tunnel_dump()
        for t in dump:
            if self.sw_if_index == t.mt_sw_if_index and \
               self.tunnel_index == t.mt_tunnel_index:
                return True
        return False

    def __str__(self):
        return self.object_id()

    def object_id(self):
        return ("mpls-tunnel%d-%d" % (self.tunnel_index,
                                      self.sw_if_index))