aboutsummaryrefslogtreecommitdiffstats
path: root/src/plugins/srv6-ad/test/vpp_srv6.py
blob: 80e771eea184146221b9b9510eb9d02d1fe702c8 (plain)
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
"""
  SRv6 LocalSIDs

  object abstractions for representing SRv6 localSIDs in VPP
"""

from vpp_object import VppObject
from socket import inet_pton, inet_ntop, AF_INET, AF_INET6


class SRv6LocalSIDBehaviors():
    # from src/vnet/srv6/sr.h
    SR_BEHAVIOR_END = 1
    SR_BEHAVIOR_X = 2
    SR_BEHAVIOR_T = 3
    SR_BEHAVIOR_D_FIRST = 4   # Unused. Separator in between regular and D
    SR_BEHAVIOR_DX2 = 5
    SR_BEHAVIOR_DX6 = 6
    SR_BEHAVIOR_DX4 = 7
    SR_BEHAVIOR_DT6 = 8
    SR_BEHAVIOR_DT4 = 9
    SR_BEHAVIOR_LAST = 10      # Must always be the last one


class SRv6PolicyType():
    # from src/vnet/srv6/sr.h
    SR_POLICY_TYPE_DEFAULT = 0
    SR_POLICY_TYPE_SPRAY = 1


class SRv6PolicySteeringTypes():
    # from src/vnet/srv6/sr.h
    SR_STEER_L2 = 2
    SR_STEER_IPV4 = 4
    SR_STEER_IPV6 = 6


class VppSRv6LocalSID(VppObject):
    """
    SRv6 LocalSID
    """

    def __init__(self, test, localsid, behavior, nh_addr,
                 end_psp, sw_if_index, vlan_index, fib_table):
        self._test = test
        self.localsid = localsid
        self.behavior = behavior
        self.nh_addr = nh_addr
        self.end_psp = end_psp
        self.sw_if_index = sw_if_index
        self.vlan_index = vlan_index
        self.fib_table = fib_table
        self._configured = False

    def add_vpp_config(self):
        self._test.vapi.sr_localsid_add_del(
            localsid=self.localsid,
            behavior=self.behavior,
            nh_addr=self.nh_addr,
            is_del=0,
            end_psp=self.end_psp,
            sw_if_index=self.sw_if_index,
            vlan_index=self.vlan_index,
            fib_table=self.fib_table)
        self._configured = True

    def remove_vpp_config(self):
        self._test.vapi.sr_localsid_add_del(
            localsid=self.localsid,
            behavior=self.behavior,
            nh_addr=self.nh_addr,
            is_del=1,
            end_psp=self.end_psp,
            sw_if_index=self.sw_if_index,
            vlan_index=self.vlan_index,
            fib_table=self.fib_table)
        self._configured = False

    def query_vpp_config(self):
        # sr_localsids_dump API is disabled
        # use _configured flag for now
        return self._configured

    def object_id(self):
        return ("%d;%s,%d"
                % (self.fib_table,
                   self.localsid,
                   self.behavior))


class VppSRv6Policy(VppObject):
    """
    SRv6 Policy
    """

    def __init__(self, test, bsid,
                 is_encap, sr_type, weight, fib_table,
                 segments, source):
        self._test = test
        self.bsid = bsid
        self.is_encap = is_encap
        self.sr_type = sr_type
        self.weight = weight
        self.fib_table = fib_table
        self.segments = segments
        self.n_segments = len(segments)
        # source not passed to API
        # self.source = inet_pton(AF_INET6, source)
        self.source = source
        self._configured = False

    def add_vpp_config(self):
        self._test.vapi.sr_policy_add(
                     bsid=self.bsid,
                     weight=self.weight,
                     is_encap=self.is_encap,
                     is_spray=self.sr_type,
                     fib_table=self.fib_table,
                     sids={'num_sids': self.n_segments, 'sids': self.segments})
        self._configured = True

    def remove_vpp_config(self):
        self._test.vapi.sr_policy_del(
                     self.bsid)
        self._configured = False

    def query_vpp_config(self):
        # no API to query SR Policies
        # use _configured flag for now
        return self._configured

    def object_id(self):
        return ("%d;%s-><%s>;%d"
                % (self.sr_type,
                   self.bsid,
                   ','.join(self.segments),
                   self.is_encap))


class VppSRv6Steering(VppObject):
    """
    SRv6 Steering
    """

    def __init__(self, test,
                 bsid,
                 prefix,
                 mask_width,
                 traffic_type,
                 sr_policy_index,
                 table_id,
                 sw_if_index):
        self._test = test
        self.bsid = bsid
        self.prefix = prefix
        self.mask_width = mask_width
        self.traffic_type = traffic_type
        self.sr_policy_index = sr_policy_index
        self.sw_if_index = sw_if_index
        self.table_id = table_id
        self._configured = False

    def add_vpp_config(self):
        self._test.vapi.sr_steering_add_del(
                     is_del=0,
                     bsid=self.bsid,
                     sr_policy_index=self.sr_policy_index,
                     table_id=self.table_id,
                     prefix={'address': self.prefix, 'len':  self.mask_width},
                     sw_if_index=self.sw_if_index,
                     traffic_type=self.traffic_type)
        self._configured = True

    def remove_vpp_config(self):
        self._test.vapi.sr_steering_add_del(
                     is_del=1,
                     bsid=self.bsid,
                     sr_policy_index=self.sr_policy_index,
                     table_id=self.table_id,
                     prefix={'address': self.prefix, 'len':  self.mask_width},
                     sw_if_index=self.sw_if_index,
                     traffic_type=self.traffic_type)
        self._configured = False

    def query_vpp_config(self):
        # no API to query steering entries
        # use _configured flag for now
        return self._configured

    def object_id(self):
        return ("%d;%d;%s/%d->%s"
                % (self.table_id,
                   self.traffic_type,
                   self.prefix,
                   self.mask_width,
                   self.bsid))