Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 1 | """ |
| 2 | IP Routes |
| 3 | |
| 4 | object abstractions for representing IP routes in VPP |
| 5 | """ |
| 6 | |
| 7 | import socket |
| 8 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 9 | # from vnet/vnet/mpls/mpls_types.h |
| 10 | MPLS_IETF_MAX_LABEL = 0xfffff |
| 11 | MPLS_LABEL_INVALID = MPLS_IETF_MAX_LABEL + 1 |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 12 | |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 13 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 14 | class RoutePath(object): |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 15 | |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 16 | def __init__( |
| 17 | self, |
| 18 | nh_addr, |
| 19 | nh_sw_if_index, |
| 20 | nh_table_id=0, |
| 21 | labels=[], |
Neale Ranns | fca0c24 | 2017-01-13 07:57:46 -0800 | [diff] [blame] | 22 | nh_via_label=MPLS_LABEL_INVALID, |
| 23 | is_ip6=0): |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 24 | self.nh_itf = nh_sw_if_index |
| 25 | self.nh_table_id = nh_table_id |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 26 | self.nh_via_label = nh_via_label |
| 27 | self.nh_labels = labels |
Neale Ranns | fca0c24 | 2017-01-13 07:57:46 -0800 | [diff] [blame] | 28 | if is_ip6: |
| 29 | self.nh_addr = socket.inet_pton(socket.AF_INET6, nh_addr) |
| 30 | else: |
| 31 | self.nh_addr = socket.inet_pton(socket.AF_INET, nh_addr) |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 32 | |
| 33 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 34 | class MRoutePath(RoutePath): |
| 35 | |
| 36 | def __init__(self, nh_sw_if_index, flags): |
| 37 | super(MRoutePath, self).__init__("0.0.0.0", |
| 38 | nh_sw_if_index) |
| 39 | self.nh_i_flags = flags |
| 40 | |
| 41 | |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 42 | class IpRoute: |
| 43 | """ |
| 44 | IP Route |
| 45 | """ |
| 46 | |
| 47 | def __init__(self, test, dest_addr, |
Neale Ranns | fca0c24 | 2017-01-13 07:57:46 -0800 | [diff] [blame] | 48 | dest_addr_len, paths, table_id=0, is_ip6=0, is_local=0): |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 49 | self._test = test |
| 50 | self.paths = paths |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 51 | self.dest_addr_len = dest_addr_len |
| 52 | self.table_id = table_id |
Neale Ranns | fca0c24 | 2017-01-13 07:57:46 -0800 | [diff] [blame] | 53 | self.is_ip6 = is_ip6 |
| 54 | self.is_local = is_local |
| 55 | if is_ip6: |
| 56 | self.dest_addr = socket.inet_pton(socket.AF_INET6, dest_addr) |
| 57 | else: |
| 58 | self.dest_addr = socket.inet_pton(socket.AF_INET, dest_addr) |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 59 | |
| 60 | def add_vpp_config(self): |
Neale Ranns | fca0c24 | 2017-01-13 07:57:46 -0800 | [diff] [blame] | 61 | if self.is_local: |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 62 | self._test.vapi.ip_add_del_route( |
| 63 | self.dest_addr, |
| 64 | self.dest_addr_len, |
Neale Ranns | fca0c24 | 2017-01-13 07:57:46 -0800 | [diff] [blame] | 65 | socket.inet_pton(socket.AF_INET6, "::"), |
| 66 | 0xffffffff, |
| 67 | is_local=1, |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 68 | table_id=self.table_id, |
Neale Ranns | fca0c24 | 2017-01-13 07:57:46 -0800 | [diff] [blame] | 69 | is_ipv6=self.is_ip6) |
| 70 | else: |
| 71 | for path in self.paths: |
| 72 | self._test.vapi.ip_add_del_route( |
| 73 | self.dest_addr, |
| 74 | self.dest_addr_len, |
| 75 | path.nh_addr, |
| 76 | path.nh_itf, |
| 77 | table_id=self.table_id, |
| 78 | next_hop_out_label_stack=path.nh_labels, |
| 79 | next_hop_n_out_labels=len( |
| 80 | path.nh_labels), |
| 81 | next_hop_via_label=path.nh_via_label, |
| 82 | is_ipv6=self.is_ip6) |
Neale Ranns | 177bbdc | 2016-11-15 09:46:51 +0000 | [diff] [blame] | 83 | |
| 84 | def remove_vpp_config(self): |
Neale Ranns | fca0c24 | 2017-01-13 07:57:46 -0800 | [diff] [blame] | 85 | if self.is_local: |
| 86 | self._test.vapi.ip_add_del_route( |
| 87 | self.dest_addr, |
| 88 | self.dest_addr_len, |
| 89 | socket.inet_pton(socket.AF_INET6, "::"), |
| 90 | 0xffffffff, |
| 91 | is_local=1, |
| 92 | is_add=0, |
| 93 | table_id=self.table_id, |
| 94 | is_ipv6=self.is_ip6) |
| 95 | else: |
| 96 | for path in self.paths: |
| 97 | self._test.vapi.ip_add_del_route(self.dest_addr, |
| 98 | self.dest_addr_len, |
| 99 | path.nh_addr, |
| 100 | path.nh_itf, |
| 101 | table_id=self.table_id, |
| 102 | is_add=0) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 103 | |
| 104 | |
Neale Ranns | 32e1c01 | 2016-11-22 17:07:28 +0000 | [diff] [blame] | 105 | class IpMRoute: |
| 106 | """ |
| 107 | IP Multicast Route |
| 108 | """ |
| 109 | |
| 110 | def __init__(self, test, src_addr, grp_addr, |
| 111 | grp_addr_len, e_flags, paths, table_id=0, is_ip6=0): |
| 112 | self._test = test |
| 113 | self.paths = paths |
| 114 | self.grp_addr_len = grp_addr_len |
| 115 | self.table_id = table_id |
| 116 | self.e_flags = e_flags |
| 117 | self.is_ip6 = is_ip6 |
| 118 | |
| 119 | if is_ip6: |
| 120 | self.grp_addr = socket.inet_pton(socket.AF_INET6, grp_addr) |
| 121 | self.src_addr = socket.inet_pton(socket.AF_INET6, src_addr) |
| 122 | else: |
| 123 | self.grp_addr = socket.inet_pton(socket.AF_INET, grp_addr) |
| 124 | self.src_addr = socket.inet_pton(socket.AF_INET, src_addr) |
| 125 | |
| 126 | def add_vpp_config(self): |
| 127 | for path in self.paths: |
| 128 | self._test.vapi.ip_mroute_add_del(self.src_addr, |
| 129 | self.grp_addr, |
| 130 | self.grp_addr_len, |
| 131 | self.e_flags, |
| 132 | path.nh_itf, |
| 133 | path.nh_i_flags, |
| 134 | table_id=self.table_id, |
| 135 | is_ipv6=self.is_ip6) |
| 136 | |
| 137 | def remove_vpp_config(self): |
| 138 | for path in self.paths: |
| 139 | self._test.vapi.ip_mroute_add_del(self.src_addr, |
| 140 | self.grp_addr, |
| 141 | self.grp_addr_len, |
| 142 | self.e_flags, |
| 143 | path.nh_itf, |
| 144 | path.nh_i_flags, |
| 145 | table_id=self.table_id, |
| 146 | is_add=0, |
| 147 | is_ipv6=self.is_ip6) |
| 148 | |
| 149 | def update_entry_flags(self, flags): |
| 150 | self.e_flags = flags |
| 151 | self._test.vapi.ip_mroute_add_del(self.src_addr, |
| 152 | self.grp_addr, |
| 153 | self.grp_addr_len, |
| 154 | self.e_flags, |
| 155 | 0xffffffff, |
| 156 | 0, |
| 157 | table_id=self.table_id, |
| 158 | is_ipv6=self.is_ip6) |
| 159 | |
| 160 | def update_path_flags(self, itf, flags): |
| 161 | for path in self.paths: |
| 162 | if path.nh_itf == itf: |
| 163 | path.nh_i_flags = flags |
| 164 | break |
| 165 | self._test.vapi.ip_mroute_add_del(self.src_addr, |
| 166 | self.grp_addr, |
| 167 | self.grp_addr_len, |
| 168 | self.e_flags, |
| 169 | path.nh_itf, |
| 170 | path.nh_i_flags, |
| 171 | table_id=self.table_id, |
| 172 | is_ipv6=self.is_ip6) |
| 173 | |
| 174 | |
| 175 | class MFibSignal: |
| 176 | def __init__(self, test, route, interface, packet): |
| 177 | self.route = route |
| 178 | self.interface = interface |
| 179 | self.packet = packet |
| 180 | self.test = test |
| 181 | |
| 182 | def compare(self, signal): |
| 183 | self.test.assertEqual(self.interface, signal.sw_if_index) |
| 184 | self.test.assertEqual(self.route.table_id, signal.table_id) |
| 185 | self.test.assertEqual(self.route.grp_addr_len, |
| 186 | signal.grp_address_len) |
| 187 | for i in range(self.route.grp_addr_len / 8): |
| 188 | self.test.assertEqual(self.route.grp_addr[i], |
| 189 | signal.grp_address[i]) |
| 190 | if (self.route.grp_addr_len > 32): |
| 191 | for i in range(4): |
| 192 | self.test.assertEqual(self.route.src_addr[i], |
| 193 | signal.src_address[i]) |
| 194 | |
| 195 | |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 196 | class MplsIpBind: |
| 197 | """ |
| 198 | MPLS to IP Binding |
| 199 | """ |
| 200 | |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 201 | def __init__(self, test, local_label, dest_addr, dest_addr_len): |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 202 | self._test = test |
| 203 | self.dest_addr = socket.inet_pton(socket.AF_INET, dest_addr) |
| 204 | self.dest_addr_len = dest_addr_len |
| 205 | self.local_label = local_label |
| 206 | |
| 207 | def add_vpp_config(self): |
| 208 | self._test.vapi.mpls_ip_bind_unbind(self.local_label, |
| 209 | self.dest_addr, |
| 210 | self.dest_addr_len) |
| 211 | |
| 212 | def remove_vpp_config(self): |
| 213 | self._test.vapi.mpls_ip_bind_unbind(self.local_label, |
| 214 | self.dest_addr, |
| 215 | self.dest_addr_len, |
| 216 | is_bind=0) |
| 217 | |
| 218 | |
| 219 | class MplsRoute: |
| 220 | """ |
| 221 | MPLS Route |
| 222 | """ |
| 223 | |
| 224 | def __init__(self, test, local_label, eos_bit, paths, table_id=0): |
| 225 | self._test = test |
| 226 | self.paths = paths |
| 227 | self.local_label = local_label |
| 228 | self.eos_bit = eos_bit |
| 229 | self.table_id = table_id |
| 230 | |
| 231 | def add_vpp_config(self): |
| 232 | for path in self.paths: |
Klement Sekera | da505f6 | 2017-01-04 12:58:53 +0100 | [diff] [blame] | 233 | self._test.vapi.mpls_route_add_del( |
| 234 | self.local_label, |
| 235 | self.eos_bit, |
| 236 | 1, |
| 237 | path.nh_addr, |
| 238 | path.nh_itf, |
| 239 | table_id=self.table_id, |
| 240 | next_hop_out_label_stack=path.nh_labels, |
| 241 | next_hop_n_out_labels=len( |
| 242 | path.nh_labels), |
| 243 | next_hop_via_label=path.nh_via_label, |
| 244 | next_hop_table_id=path.nh_table_id) |
Neale Ranns | ad422ed | 2016-11-02 14:20:04 +0000 | [diff] [blame] | 245 | |
| 246 | def remove_vpp_config(self): |
| 247 | for path in self.paths: |
| 248 | self._test.vapi.mpls_route_add_del(self.local_label, |
| 249 | self.eos_bit, |
| 250 | 1, |
| 251 | path.nh_addr, |
| 252 | path.nh_itf, |
| 253 | table_id=self.table_id, |
| 254 | is_add=0) |