src/plugins/map/map_api.c

   1 /*
   2  *------------------------------------------------------------------
   3  * map_api.c - vnet map api
   4  *
   5  * Copyright (c) 2016 Cisco and/or its affiliates.
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at:
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *------------------------------------------------------------------
  18  */
  19
  20 #include <vnet/ip/ip_types_api.h>
  21 #include <map/map.h>
  22 #include <map/map.api_enum.h>
  23 #include <map/map.api_types.h>
  24 #include <vnet/ip/ip.h>
  25 #include <vnet/ip/reass/ip4_sv_reass.h>
  26 #include <vnet/ip/reass/ip6_sv_reass.h>
  27 #include <vnet/fib/fib_table.h>
  28 #include <vlibmemory/api.h>
  29
  30 #define REPLY_MSG_ID_BASE mm->msg_id_base
  31 #include <vlibapi/api_helper_macros.h>
  32
  33 static void
  34 vl_api_map_add_domain_t_handler (vl_api_map_add_domain_t * mp)
  35 {
  36   map_main_t *mm = &map_main;
  37   vl_api_map_add_domain_reply_t *rmp;
  38   int rv = 0;
  39   u32 index;
  40   u8 flags = 0;
  41
  42   u8 *tag = format (0, "%s", mp->tag);
  43   rv =
  44     map_create_domain ((ip4_address_t *) & mp->ip4_prefix.address,
  45                        mp->ip4_prefix.len,
  46                        (ip6_address_t *) & mp->ip6_prefix.address,
  47                        mp->ip6_prefix.len,
  48                        (ip6_address_t *) & mp->ip6_src.address,
  49                        mp->ip6_src.len, mp->ea_bits_len, mp->psid_offset,
  50                        mp->psid_length, &index, ntohs (mp->mtu), flags, tag);
  51   vec_free (tag);
  52   /* *INDENT-OFF* */
  53   REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY,
  54   ({
  55     rmp->index = ntohl(index);
  56   }));
  57   /* *INDENT-ON* */
  58 }
  59
  60 static void
  61 vl_api_map_del_domain_t_handler (vl_api_map_del_domain_t * mp)
  62 {
  63   map_main_t *mm = &map_main;
  64   vl_api_map_del_domain_reply_t *rmp;
  65   int rv = 0;
  66
  67   rv = map_delete_domain (ntohl (mp->index));
  68
  69   REPLY_MACRO (VL_API_MAP_DEL_DOMAIN_REPLY);
  70 }
  71
  72 static void
  73 vl_api_map_add_del_rule_t_handler (vl_api_map_add_del_rule_t * mp)
  74 {
  75   map_main_t *mm = &map_main;
  76   vl_api_map_del_domain_reply_t *rmp;
  77   int rv = 0;
  78
  79   rv =
  80     map_add_del_psid (ntohl (mp->index), ntohs (mp->psid),
  81                       (ip6_address_t *) & mp->ip6_dst, mp->is_add);
  82
  83   REPLY_MACRO (VL_API_MAP_ADD_DEL_RULE_REPLY);
  84 }
  85
  86 static void
  87 vl_api_map_domain_dump_t_handler (vl_api_map_domain_dump_t * mp)
  88 {
  89   vl_api_map_domain_details_t *rmp;
  90   map_main_t *mm = &map_main;
  91   map_domain_t *d;
  92   map_domain_extra_t *de;
  93   vl_api_registration_t *reg;
  94   u32 map_domain_index;
  95
  96   if (pool_elts (mm->domains) == 0)
  97     return;
  98
  99   reg = vl_api_client_index_to_registration (mp->client_index);
 100   if (!reg)
 101     return;
 102
 103   /* *INDENT-OFF* */
 104   pool_foreach(d, mm->domains,
 105   ({
 106     map_domain_index = d - mm->domains;
 107     de = vec_elt_at_index(mm->domain_extras, map_domain_index);
 108     int tag_len = clib_min(ARRAY_LEN(rmp->tag), vec_len(de->tag) + 1);
 109
 110     /* Make sure every field is initiated (or don't skip the clib_memset()) */
 111     rmp = vl_msg_api_alloc (sizeof (*rmp) + tag_len);
 112
 113     rmp->_vl_msg_id = htons(VL_API_MAP_DOMAIN_DETAILS + mm->msg_id_base);
 114     rmp->context = mp->context;
 115     rmp->domain_index = htonl(map_domain_index);
 116     clib_memcpy(&rmp->ip6_prefix.address, &d->ip6_prefix, sizeof(rmp->ip6_prefix.address));
 117     clib_memcpy(&rmp->ip4_prefix.address, &d->ip4_prefix, sizeof(rmp->ip4_prefix.address));
 118     clib_memcpy(&rmp->ip6_src.address, &d->ip6_src, sizeof(rmp->ip6_src.address));
 119     rmp->ip6_prefix.len = d->ip6_prefix_len;
 120     rmp->ip4_prefix.len = d->ip4_prefix_len;
 121     rmp->ip6_src.len = d->ip6_src_len;
 122     rmp->ea_bits_len = d->ea_bits_len;
 123     rmp->psid_offset = d->psid_offset;
 124     rmp->psid_length = d->psid_length;
 125     rmp->flags = d->flags;
 126     rmp->mtu = htons(d->mtu);
 127     memcpy(rmp->tag, de->tag, tag_len-1);
 128     rmp->tag[tag_len-1] = '\0';
 129
 130     vl_api_send_msg (reg, (u8 *) rmp);
 131   }));
 132   /* *INDENT-ON* */
 133 }
 134
 135 static void
 136 vl_api_map_rule_dump_t_handler (vl_api_map_rule_dump_t * mp)
 137 {
 138   vl_api_registration_t *reg;
 139   u16 i;
 140   ip6_address_t dst;
 141   vl_api_map_rule_details_t *rmp;
 142   map_main_t *mm = &map_main;
 143   u32 domain_index = ntohl (mp->domain_index);
 144   map_domain_t *d;
 145
 146   if (pool_elts (mm->domains) == 0)
 147     return;
 148
 149   d = pool_elt_at_index (mm->domains, domain_index);
 150   if (!d || !d->rules)
 151     {
 152       return;
 153     }
 154
 155   reg = vl_api_client_index_to_registration (mp->client_index);
 156   if (!reg)
 157     return;
 158
 159   for (i = 0; i < (0x1 << d->psid_length); i++)
 160     {
 161       dst = d->rules[i];
 162       if (dst.as_u64[0] == 0 && dst.as_u64[1] == 0)
 163         {
 164           continue;
 165         }
 166       rmp = vl_msg_api_alloc (sizeof (*rmp));
 167       clib_memset (rmp, 0, sizeof (*rmp));
 168       rmp->_vl_msg_id = ntohs (VL_API_MAP_RULE_DETAILS + mm->msg_id_base);
 169       rmp->psid = htons (i);
 170       clib_memcpy (&rmp->ip6_dst, &dst, sizeof (rmp->ip6_dst));
 171       rmp->context = mp->context;
 172       vl_api_send_msg (reg, (u8 *) rmp);
 173     }
 174 }
 175
 176 static void
 177 vl_api_map_summary_stats_t_handler (vl_api_map_summary_stats_t * mp)
 178 {
 179   vl_api_map_summary_stats_reply_t *rmp;
 180   vlib_combined_counter_main_t *cm;
 181   vlib_counter_t v;
 182   int i, which;
 183   u64 total_pkts[VLIB_N_RX_TX];
 184   u64 total_bytes[VLIB_N_RX_TX];
 185   map_main_t *mm = &map_main;
 186   vl_api_registration_t *reg;
 187
 188   reg = vl_api_client_index_to_registration (mp->client_index);
 189   if (!reg)
 190     return;
 191
 192   rmp = vl_msg_api_alloc (sizeof (*rmp));
 193   rmp->_vl_msg_id = htons (VL_API_MAP_SUMMARY_STATS_REPLY + mm->msg_id_base);
 194   rmp->context = mp->context;
 195   rmp->retval = 0;
 196
 197   if (pool_elts (mm->domains) == 0)
 198     {
 199       rmp->retval = -1;
 200       goto out;
 201     }
 202
 203   clib_memset (total_pkts, 0, sizeof (total_pkts));
 204   clib_memset (total_bytes, 0, sizeof (total_bytes));
 205
 206   map_domain_counter_lock (mm);
 207   vec_foreach (cm, mm->domain_counters)
 208   {
 209     which = cm - mm->domain_counters;
 210
 211     for (i = 0; i < vlib_combined_counter_n_counters (cm); i++)
 212       {
 213         vlib_get_combined_counter (cm, i, &v);
 214         total_pkts[which] += v.packets;
 215         total_bytes[which] += v.bytes;
 216       }
 217   }
 218
 219   map_domain_counter_unlock (mm);
 220
 221   /* Note: in network byte order! */
 222   rmp->total_pkts[MAP_DOMAIN_COUNTER_RX] =
 223     clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_RX]);
 224   rmp->total_bytes[MAP_DOMAIN_COUNTER_RX] =
 225     clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_RX]);
 226   rmp->total_pkts[MAP_DOMAIN_COUNTER_TX] =
 227     clib_host_to_net_u64 (total_pkts[MAP_DOMAIN_COUNTER_TX]);
 228   rmp->total_bytes[MAP_DOMAIN_COUNTER_TX] =
 229     clib_host_to_net_u64 (total_bytes[MAP_DOMAIN_COUNTER_TX]);
 230   rmp->total_bindings = clib_host_to_net_u64 (pool_elts (mm->domains));
 231   rmp->total_ip4_fragments = 0; // Not yet implemented. Should be a simple counter.
 232   rmp->total_security_check[MAP_DOMAIN_COUNTER_TX] =
 233     clib_host_to_net_u64 (map_error_counter_get
 234                           (ip4_map_node.index, MAP_ERROR_ENCAP_SEC_CHECK));
 235   rmp->total_security_check[MAP_DOMAIN_COUNTER_RX] =
 236     clib_host_to_net_u64 (map_error_counter_get
 237                           (ip4_map_node.index, MAP_ERROR_DECAP_SEC_CHECK));
 238
 239 out:
 240   vl_api_send_msg (reg, (u8 *) rmp);
 241 }
 242
 243
 244 int
 245 map_param_set_fragmentation (bool inner, bool ignore_df)
 246 {
 247   map_main_t *mm = &map_main;
 248
 249   mm->frag_inner = ! !inner;
 250   mm->frag_ignore_df = ! !ignore_df;
 251
 252   return 0;
 253 }
 254
 255 static void
 256   vl_api_map_param_set_fragmentation_t_handler
 257   (vl_api_map_param_set_fragmentation_t * mp)
 258 {
 259   map_main_t *mm = &map_main;
 260   vl_api_map_param_set_fragmentation_reply_t *rmp;
 261   int rv = 0;
 262
 263   rv = map_param_set_fragmentation (mp->inner, mp->ignore_df);
 264
 265   REPLY_MACRO (VL_API_MAP_PARAM_SET_FRAGMENTATION_REPLY);
 266 }
 267
 268
 269 int
 270 map_param_set_icmp (ip4_address_t * icmp_src_address)
 271 {
 272   map_main_t *mm = &map_main;
 273
 274   if (icmp_src_address == 0)
 275     return -1;
 276
 277   mm->icmp4_src_address = *icmp_src_address;
 278
 279   return 0;
 280 }
 281
 282
 283 static void
 284 vl_api_map_param_set_icmp_t_handler (vl_api_map_param_set_icmp_t * mp)
 285 {
 286   map_main_t *mm = &map_main;
 287   vl_api_map_param_set_icmp_reply_t *rmp;
 288   int rv;
 289
 290   rv = map_param_set_icmp ((ip4_address_t *) & mp->ip4_err_relay_src);
 291
 292   REPLY_MACRO (VL_API_MAP_PARAM_SET_ICMP_REPLY);
 293 }
 294
 295
 296 int
 297 map_param_set_icmp6 (u8 enable_unreachable)
 298 {
 299   map_main_t *mm = &map_main;
 300
 301   mm->icmp6_enabled = ! !enable_unreachable;
 302
 303   return 0;
 304 }
 305
 306 static void
 307 vl_api_map_param_set_icmp6_t_handler (vl_api_map_param_set_icmp6_t * mp)
 308 {
 309   map_main_t *mm = &map_main;
 310   vl_api_map_param_set_icmp6_reply_t *rmp;
 311   int rv;
 312
 313   rv = map_param_set_icmp6 (mp->enable_unreachable);
 314
 315   REPLY_MACRO (VL_API_MAP_PARAM_SET_ICMP6_REPLY);
 316 }
 317
 318
 319 static void
 320   vl_api_map_param_add_del_pre_resolve_t_handler
 321   (vl_api_map_param_add_del_pre_resolve_t * mp)
 322 {
 323   map_main_t *mm = &map_main;
 324   vl_api_map_param_add_del_pre_resolve_reply_t *rmp;
 325   int rv = 0;
 326
 327   map_pre_resolve ((ip4_address_t *) & mp->ip4_nh_address,
 328                    (ip6_address_t *) & mp->ip6_nh_address, !mp->is_add);
 329
 330   REPLY_MACRO (VL_API_MAP_PARAM_ADD_DEL_PRE_RESOLVE_REPLY);
 331 }
 332
 333
 334 int
 335 map_param_set_reassembly (bool is_ipv6,
 336                           u16 lifetime_ms,
 337                           u16 pool_size,
 338                           u32 buffers,
 339                           f64 ht_ratio, u32 * reass, u32 * packets)
 340 {
 341   u32 ps_reass = 0, ps_packets = 0;
 342   u32 ht_reass = 0, ht_packets = 0;
 343
 344   if (is_ipv6)
 345     {
 346       if (pool_size != (u16) ~ 0)
 347         {
 348           if (pool_size > MAP_IP6_REASS_CONF_POOL_SIZE_MAX)
 349             return MAP_ERR_BAD_POOL_SIZE;
 350           if (map_ip6_reass_conf_pool_size
 351               (pool_size, &ps_reass, &ps_packets))
 352             return MAP_ERR_BAD_POOL_SIZE;
 353         }
 354
 355       if (ht_ratio != (MAP_IP6_REASS_CONF_HT_RATIO_MAX + 1))
 356         {
 357           if (ht_ratio > MAP_IP6_REASS_CONF_HT_RATIO_MAX)
 358             return MAP_ERR_BAD_HT_RATIO;
 359           if (map_ip6_reass_conf_ht_ratio (ht_ratio, &ht_reass, &ht_packets))
 360             return MAP_ERR_BAD_HT_RATIO;
 361         }
 362
 363       if (lifetime_ms != (u16) ~ 0)
 364         {
 365           if (lifetime_ms > MAP_IP6_REASS_CONF_LIFETIME_MAX)
 366             return MAP_ERR_BAD_LIFETIME;
 367           if (map_ip6_reass_conf_lifetime (lifetime_ms))
 368             return MAP_ERR_BAD_LIFETIME;
 369         }
 370
 371       if (buffers != ~0)
 372         {
 373           if (buffers > MAP_IP6_REASS_CONF_BUFFERS_MAX)
 374             return MAP_ERR_BAD_BUFFERS;
 375           if (map_ip6_reass_conf_buffers (buffers))
 376             return MAP_ERR_BAD_BUFFERS;
 377         }
 378
 379       if (map_main.ip6_reass_conf_buffers >
 380           map_main.ip6_reass_conf_pool_size *
 381           MAP_IP6_REASS_MAX_FRAGMENTS_PER_REASSEMBLY)
 382         {
 383           return MAP_ERR_BAD_BUFFERS_TOO_LARGE;
 384         }
 385     }
 386   else
 387     {
 388       if (pool_size != (u16) ~ 0)
 389         {
 390           if (pool_size > MAP_IP4_REASS_CONF_POOL_SIZE_MAX)
 391             return MAP_ERR_BAD_POOL_SIZE;
 392           if (map_ip4_reass_conf_pool_size
 393               (pool_size, &ps_reass, &ps_packets))
 394             return MAP_ERR_BAD_POOL_SIZE;
 395         }
 396
 397       if (ht_ratio != (MAP_IP4_REASS_CONF_HT_RATIO_MAX + 1))
 398         {
 399           if (ht_ratio > MAP_IP4_REASS_CONF_HT_RATIO_MAX)
 400             return MAP_ERR_BAD_HT_RATIO;
 401           if (map_ip4_reass_conf_ht_ratio (ht_ratio, &ht_reass, &ht_packets))
 402             return MAP_ERR_BAD_HT_RATIO;
 403         }
 404
 405       if (lifetime_ms != (u16) ~ 0)
 406         {
 407           if (lifetime_ms > MAP_IP4_REASS_CONF_LIFETIME_MAX)
 408             return MAP_ERR_BAD_LIFETIME;
 409           if (map_ip4_reass_conf_lifetime (lifetime_ms))
 410             return MAP_ERR_BAD_LIFETIME;
 411         }
 412
 413       if (buffers != ~0)
 414         {
 415           if (buffers > MAP_IP4_REASS_CONF_BUFFERS_MAX)
 416             return MAP_ERR_BAD_BUFFERS;
 417           if (map_ip4_reass_conf_buffers (buffers))
 418             return MAP_ERR_BAD_BUFFERS;
 419         }
 420
 421       if (map_main.ip4_reass_conf_buffers >
 422           map_main.ip4_reass_conf_pool_size *
 423           MAP_IP4_REASS_MAX_FRAGMENTS_PER_REASSEMBLY)
 424         {
 425           return MAP_ERR_BAD_BUFFERS_TOO_LARGE;
 426         }
 427     }
 428
 429   if (reass)
 430     *reass = ps_reass + ht_reass;
 431
 432   if (packets)
 433     *packets = ps_packets + ht_packets;
 434
 435   return 0;
 436 }
 437
 438
 439 static void
 440   vl_api_map_param_set_reassembly_t_handler
 441   (vl_api_map_param_set_reassembly_t * mp)
 442 {
 443   map_main_t *mm = &map_main;
 444   vl_api_map_param_set_reassembly_reply_t *rmp;
 445   u32 reass = 0, packets = 0;
 446   int rv;
 447   f64 ht_ratio;
 448
 449   ht_ratio = (f64) clib_net_to_host_f64 (mp->ht_ratio);
 450   if (ht_ratio == ~0)
 451     ht_ratio = MAP_IP6_REASS_CONF_HT_RATIO_MAX + 1;
 452
 453   rv = map_param_set_reassembly (mp->is_ip6,
 454                                  clib_net_to_host_u16 (mp->lifetime_ms),
 455                                  clib_net_to_host_u16 (mp->pool_size),
 456                                  clib_net_to_host_u32 (mp->buffers),
 457                                  ht_ratio, &reass, &packets);
 458
 459   /*
 460    * FIXME: Should the lost reass and packet counts be returned in the API?
 461    */
 462
 463   REPLY_MACRO (VL_API_MAP_PARAM_SET_REASSEMBLY_REPLY);
 464 }
 465
 466
 467 int
 468 map_param_set_security_check (bool enable, bool fragments)
 469 {
 470   map_main_t *mm = &map_main;
 471
 472   mm->sec_check = ! !enable;
 473   mm->sec_check_frag = ! !fragments;
 474
 475   return 0;
 476 }
 477
 478 static void
 479   vl_api_map_param_set_security_check_t_handler
 480   (vl_api_map_param_set_security_check_t * mp)
 481 {
 482   map_main_t *mm = &map_main;
 483   vl_api_map_param_set_security_check_reply_t *rmp;
 484   int rv;
 485
 486   rv = map_param_set_security_check (mp->enable, mp->fragments);
 487
 488   REPLY_MACRO (VL_API_MAP_PARAM_SET_SECURITY_CHECK_REPLY);
 489 }
 490
 491
 492 int
 493 map_param_set_traffic_class (bool copy, u8 tc)
 494 {
 495   map_main_t *mm = &map_main;
 496
 497   mm->tc_copy = ! !copy;
 498   mm->tc = tc;
 499
 500   return 0;
 501 }
 502
 503 static void
 504   vl_api_map_param_set_traffic_class_t_handler
 505   (vl_api_map_param_set_traffic_class_t * mp)
 506 {
 507   map_main_t *mm = &map_main;
 508   vl_api_map_param_set_traffic_class_reply_t *rmp;
 509   int rv;
 510
 511   rv = map_param_set_traffic_class (mp->copy, mp->tc_class);
 512
 513   REPLY_MACRO (VL_API_MAP_PARAM_SET_TRAFFIC_CLASS_REPLY);
 514 }
 515
 516
 517 int
 518 map_param_set_tcp (u16 tcp_mss)
 519 {
 520   map_main_t *mm = &map_main;
 521
 522   mm->tcp_mss = tcp_mss;
 523
 524   return 0;
 525 }
 526
 527
 528 static void
 529 vl_api_map_param_set_tcp_t_handler (vl_api_map_param_set_tcp_t * mp)
 530 {
 531   map_main_t *mm = &map_main;
 532   vl_api_map_param_set_tcp_reply_t *rmp;
 533   int rv = 0;
 534
 535   map_param_set_tcp (ntohs (mp->tcp_mss));
 536   REPLY_MACRO (VL_API_MAP_PARAM_SET_TCP_REPLY);
 537 }
 538
 539
 540 static void
 541 vl_api_map_param_get_t_handler (vl_api_map_param_get_t * mp)
 542 {
 543   map_main_t *mm = &map_main;
 544   vl_api_map_param_get_reply_t *rmp;
 545   vl_api_registration_t *reg;
 546
 547   reg = vl_api_client_index_to_registration (mp->client_index);
 548   if (!reg)
 549     return;
 550
 551   rmp = vl_msg_api_alloc (sizeof (*rmp));
 552   rmp->_vl_msg_id = htons (VL_API_MAP_PARAM_GET_REPLY + mm->msg_id_base);
 553   rmp->context = mp->context;
 554   rmp->retval = 0;
 555
 556   rmp->frag_inner = mm->frag_inner;
 557   rmp->frag_ignore_df = mm->frag_ignore_df;
 558
 559   clib_memcpy (&rmp->icmp_ip4_err_relay_src,
 560                &mm->icmp4_src_address, sizeof (rmp->icmp_ip4_err_relay_src));
 561
 562   rmp->icmp6_enable_unreachable = mm->icmp6_enabled;
 563
 564   /*
 565    * FIXME: How are these addresses re-extracted from the FIB?
 566    * Or should a local map_main copy be kept?
 567    */
 568   clib_memset (&rmp->ip4_nh_address, 0, sizeof (rmp->ip4_nh_address));
 569   clib_memset (&rmp->ip6_nh_address, 0, sizeof (rmp->ip6_nh_address));
 570
 571   rmp->ip4_lifetime_ms =
 572     clib_net_to_host_u16 (mm->ip4_reass_conf_lifetime_ms);
 573   rmp->ip4_pool_size = clib_net_to_host_u16 (mm->ip4_reass_conf_pool_size);
 574   rmp->ip4_buffers = clib_net_to_host_u32 (mm->ip4_reass_conf_buffers);
 575   rmp->ip4_ht_ratio = clib_net_to_host_f64 (mm->ip4_reass_conf_ht_ratio);
 576
 577   rmp->ip6_lifetime_ms =
 578     clib_net_to_host_u16 (mm->ip6_reass_conf_lifetime_ms);
 579   rmp->ip6_pool_size = clib_net_to_host_u16 (mm->ip6_reass_conf_pool_size);
 580   rmp->ip6_buffers = clib_net_to_host_u32 (mm->ip6_reass_conf_buffers);
 581   rmp->ip6_ht_ratio = clib_net_to_host_f64 (mm->ip6_reass_conf_ht_ratio);
 582
 583   rmp->sec_check_enable = mm->sec_check;
 584   rmp->sec_check_fragments = mm->sec_check_frag;
 585
 586   rmp->tc_copy = mm->tc_copy;
 587   rmp->tc_class = mm->tc;
 588
 589   vl_api_send_msg (reg, (u8 *) rmp);
 590 }
 591
 592
 593 int
 594 map_if_enable_disable (bool is_enable, u32 sw_if_index, bool is_translation)
 595 {
 596   map_main_t *mm = &map_main;
 597
 598   if (pool_is_free_index (mm->vnet_main->interface_main.sw_interfaces,
 599                           sw_if_index))
 600     return VNET_API_ERROR_INVALID_SW_IF_INDEX;
 601
 602   is_enable = ! !is_enable;
 603
 604   if (is_translation)
 605     {
 606       if (clib_bitmap_get (mm->bm_trans_enabled_by_sw_if, sw_if_index)
 607           == is_enable)
 608         return 0;
 609     }
 610   else
 611     {
 612       if (clib_bitmap_get (mm->bm_encap_enabled_by_sw_if, sw_if_index)
 613           == is_enable)
 614         return 0;
 615     }
 616
 617   if (is_translation == false)
 618     {
 619       ip4_sv_reass_enable_disable_with_refcnt (sw_if_index, is_enable);
 620       vnet_feature_enable_disable ("ip4-unicast", "ip4-map", sw_if_index,
 621                                    is_enable ? 1 : 0, 0, 0);
 622       vnet_feature_enable_disable ("ip6-unicast", "ip6-map", sw_if_index,
 623                                    is_enable ? 1 : 0, 0, 0);
 624       mm->bm_encap_enabled_by_sw_if =
 625         clib_bitmap_set (mm->bm_encap_enabled_by_sw_if, sw_if_index,
 626                          is_enable);
 627     }
 628   else
 629     {
 630       vnet_feature_enable_disable ("ip4-unicast", "ip4-map-t", sw_if_index,
 631                                    is_enable ? 1 : 0, 0, 0);
 632       vnet_feature_enable_disable ("ip6-unicast", "ip6-map-t", sw_if_index,
 633                                    is_enable ? 1 : 0, 0, 0);
 634       mm->bm_trans_enabled_by_sw_if =
 635         clib_bitmap_set (mm->bm_trans_enabled_by_sw_if, sw_if_index,
 636                          is_enable);
 637     }
 638
 639   return 0;
 640 }
 641
 642
 643 static void
 644 vl_api_map_if_enable_disable_t_handler (vl_api_map_if_enable_disable_t * mp)
 645 {
 646   map_main_t *mm = &map_main;
 647   vl_api_map_if_enable_disable_reply_t *rmp;
 648   int rv = 0;
 649
 650   VALIDATE_SW_IF_INDEX (mp);
 651
 652   rv =
 653     map_if_enable_disable (mp->is_enable, htonl (mp->sw_if_index),
 654                            mp->is_translation);
 655
 656   BAD_SW_IF_INDEX_LABEL;
 657   REPLY_MACRO (VL_API_MAP_IF_ENABLE_DISABLE_REPLY);
 658 }
 659
 660 /* API definitions */
 661 #include <vnet/format_fns.h>
 662 #include <map/map.api.c>
 663
 664 /* Set up the API message handling tables */
 665 clib_error_t *
 666 map_plugin_api_hookup (vlib_main_t * vm)
 667 {
 668   map_main_t *mm = &map_main;
 669
 670   mm->msg_id_base = setup_message_id_table ();
 671   return 0;
 672 }
 673
 674 /*
 675  * fd.io coding-style-patch-verification: ON
 676  *
 677  * Local Variables:
 678  * eval: (c-set-style "gnu")
 679  * End:
 680  */