vpp/vpp-api/api.c

   1 /*
   2  *------------------------------------------------------------------
   3  * api.c - message handler registration
   4  *
   5  * Copyright (c) 2010 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 <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <sys/types.h>
  24 #include <sys/mman.h>
  25 #include <sys/stat.h>
  26 #include <netinet/in.h>
  27 #include <signal.h>
  28 #include <pthread.h>
  29 #include <unistd.h>
  30 #include <time.h>
  31 #include <fcntl.h>
  32 #include <string.h>
  33 #include <pwd.h>
  34 #include <grp.h>
  35
  36 #include <vppinfra/clib.h>
  37 #include <vppinfra/vec.h>
  38 #include <vppinfra/hash.h>
  39 #include <vppinfra/bitmap.h>
  40 #include <vppinfra/fifo.h>
  41 #include <vppinfra/time.h>
  42 #include <vppinfra/mheap.h>
  43 #include <vppinfra/heap.h>
  44 #include <vppinfra/pool.h>
  45 #include <vppinfra/format.h>
  46 #include <vppinfra/error.h>
  47
  48 #include <vnet/api_errno.h> // alagalah TODO : committers please pay note, is this ok?
  49 #include <vnet/vnet.h>
  50 #include <vnet/l2/l2_input.h>
  51 #include <vnet/l2/l2_bd.h>
  52 #include <vnet/l2tp/l2tp.h>
  53 #include <vnet/ip/ip.h>
  54 #include <vnet/unix/tuntap.h>
  55 #include <vnet/unix/tapcli.h>
  56 #include <vnet/mpls-gre/mpls.h>
  57 #include <vnet/dhcp/proxy.h>
  58 #include <vnet/dhcp/client.h>
  59 #if IPV6SR > 0
  60 #include <vnet/sr/sr.h>
  61 #endif
  62 #include <vnet/dhcpv6/proxy.h>
  63 #include <vlib/vlib.h>
  64 #include <vlib/unix/unix.h>
  65 #include <vlibapi/api.h>
  66 #include <vlibmemory/api.h>
  67 #include <vnet/classify/vnet_classify.h>
  68 #include <vnet/classify/input_acl.h>
  69 #include <vnet/l2/l2_classify.h>
  70 #include <vnet/vxlan/vxlan.h>
  71 #include <vnet/gre/gre.h>
  72 #include <vnet/l2/l2_vtr.h>
  73 #include <vnet/vxlan-gpe/vxlan_gpe.h>
  74 #include <vnet/lisp-gpe/lisp_gpe.h>
  75 #include <vnet/lisp-cp/control.h>
  76 #include <vnet/map/map.h>
  77 #include <vnet/cop/cop.h>
  78 #include <vnet/ip/ip6_hop_by_hop.h>
  79 #include <vnet/devices/af_packet/af_packet.h>
  80 #include <vnet/policer/policer.h>
  81 #include <vnet/devices/netmap/netmap.h>
  82 #include <vnet/flow/flow_report.h>
  83
  84 #undef BIHASH_TYPE
  85 #undef __included_bihash_template_h__
  86 #include <vnet/l2/l2_fib.h>
  87
  88 #if IPSEC > 0
  89 #include <vnet/ipsec/ipsec.h>
  90 #include <vnet/ipsec/ikev2.h>
  91 #endif /* IPSEC */
  92 #if DPDK > 0
  93 #include <vnet/devices/virtio/vhost-user.h>
  94 #endif
  95
  96 #include <stats/stats.h>
  97 #include <oam/oam.h>
  98
  99 #include <vnet/ethernet/ethernet.h>
 100 #include <vnet/ethernet/arp_packet.h>
 101 #include <vnet/interface.h>
 102
 103 #include <vnet/l2/l2_fib.h>
 104 #include <vnet/l2/l2_bd.h>
 105 #include <vpp-api/vpe_msg_enum.h>
 106
 107 #define f64_endian(a)
 108 #define f64_print(a,b)
 109
 110 #define vl_typedefs             /* define message structures */
 111 #include <vpp-api/vpe_all_api_h.h>
 112 #undef vl_typedefs
 113
 114 #define vl_endianfun             /* define message structures */
 115 #include <vpp-api/vpe_all_api_h.h>
 116 #undef vl_endianfun
 117
 118 /* instantiate all the print functions we know about */
 119 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
 120 #define vl_printfun
 121 #include <vpp-api/vpe_all_api_h.h>
 122 #undef vl_printfun
 123
 124 #define REPLY_MACRO(t)                                          \
 125 do {                                                            \
 126     unix_shared_memory_queue_t * q;                             \
 127     rv = vl_msg_api_pd_handler (mp, rv);                        \
 128     q = vl_api_client_index_to_input_queue (mp->client_index);  \
 129     if (!q)                                                     \
 130         return;                                                 \
 131                                                                 \
 132     rmp = vl_msg_api_alloc (sizeof (*rmp));                     \
 133     rmp->_vl_msg_id = ntohs((t));                               \
 134     rmp->context = mp->context;                                 \
 135     rmp->retval = ntohl(rv);                                    \
 136                                                                 \
 137     vl_msg_api_send_shmem (q, (u8 *)&rmp);                      \
 138 } while(0);
 139
 140 #define REPLY_MACRO2(t, body)                                   \
 141 do {                                                            \
 142     unix_shared_memory_queue_t * q;                             \
 143     rv = vl_msg_api_pd_handler (mp, rv);                        \
 144     q = vl_api_client_index_to_input_queue (mp->client_index);  \
 145     if (!q)                                                     \
 146         return;                                                 \
 147                                                                 \
 148     rmp = vl_msg_api_alloc (sizeof (*rmp));                     \
 149     rmp->_vl_msg_id = ntohs((t));                               \
 150     rmp->context = mp->context;                                 \
 151     rmp->retval = ntohl(rv);                                    \
 152     do {body;} while (0);                                       \
 153     vl_msg_api_send_shmem (q, (u8 *)&rmp);                      \
 154 } while(0);
 155
 156 #if (1 || CLIB_DEBUG > 0)       /* "trust, but verify" */
 157
 158 #define VALIDATE_SW_IF_INDEX(mp)                                \
 159  do { u32 __sw_if_index = ntohl(mp->sw_if_index);               \
 160     vnet_main_t *__vnm = vnet_get_main();                       \
 161     if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
 162                            __sw_if_index)) {                    \
 163         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;                \
 164         goto bad_sw_if_index;                                   \
 165     }                                                           \
 166 } while(0);
 167
 168 #define BAD_SW_IF_INDEX_LABEL                   \
 169 do {                                            \
 170 bad_sw_if_index:                                \
 171     ;                                           \
 172 } while (0);
 173
 174 #define VALIDATE_RX_SW_IF_INDEX(mp)                             \
 175  do { u32 __rx_sw_if_index = ntohl(mp->rx_sw_if_index);         \
 176     vnet_main_t *__vnm = vnet_get_main();                       \
 177     if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
 178                            __rx_sw_if_index)) {                 \
 179         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;                \
 180         goto bad_rx_sw_if_index;                                \
 181     }                                                           \
 182 } while(0);
 183
 184 #define BAD_RX_SW_IF_INDEX_LABEL                \
 185 do {                                            \
 186 bad_rx_sw_if_index:                             \
 187     ;                                           \
 188 } while (0);
 189
 190 #define VALIDATE_TX_SW_IF_INDEX(mp)                             \
 191  do { u32 __tx_sw_if_index = ntohl(mp->tx_sw_if_index);         \
 192     vnet_main_t *__vnm = vnet_get_main();                       \
 193     if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
 194                            __tx_sw_if_index)) {                 \
 195         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;                \
 196         goto bad_tx_sw_if_index;                                \
 197     }                                                           \
 198 } while(0);
 199
 200 #define BAD_TX_SW_IF_INDEX_LABEL                \
 201 do {                                            \
 202 bad_tx_sw_if_index:                             \
 203     ;                                           \
 204 } while (0);
 205
 206 #else
 207
 208 #define VALIDATE_SW_IF_INDEX(mp)
 209 #define BAD_SW_IF_INDEX_LABEL
 210 #define VALIDATE_RX_SW_IF_INDEX(mp)
 211 #define BAD_RX_SW_IF_INDEX_LABEL
 212 #define VALIDATE_TX_SW_IF_INDEX(mp)
 213 #define BAD_TX_SW_IF_INDEX_LABEL
 214
 215 #endif  /* CLIB_DEBUG > 0 */
 216
 217 #define foreach_vpe_api_msg                                             \
 218 _(WANT_INTERFACE_EVENTS, want_interface_events)                         \
 219 _(WANT_OAM_EVENTS, want_oam_events)                                     \
 220 _(OAM_ADD_DEL, oam_add_del)                                             \
 221 _(SW_INTERFACE_DUMP, sw_interface_dump)                                 \
 222 _(SW_INTERFACE_DETAILS, sw_interface_details)                           \
 223 _(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags)                       \
 224 _(IP_ADD_DEL_ROUTE, ip_add_del_route)                                   \
 225 _(IS_ADDRESS_REACHABLE, is_address_reachable)                           \
 226 _(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address)           \
 227 _(SW_INTERFACE_SET_TABLE, sw_interface_set_table)                       \
 228 _(SW_INTERFACE_SET_VPATH, sw_interface_set_vpath)                       \
 229 _(SW_INTERFACE_SET_L2_XCONNECT, sw_interface_set_l2_xconnect)           \
 230 _(SW_INTERFACE_SET_L2_BRIDGE, sw_interface_set_l2_bridge)               \
 231 _(BRIDGE_DOMAIN_ADD_DEL, bridge_domain_add_del)                         \
 232 _(BRIDGE_DOMAIN_DUMP, bridge_domain_dump)                               \
 233 _(BRIDGE_DOMAIN_DETAILS, bridge_domain_details)                         \
 234 _(BRIDGE_DOMAIN_SW_IF_DETAILS, bridge_domain_sw_if_details)             \
 235 _(L2FIB_ADD_DEL, l2fib_add_del)                                         \
 236 _(L2_FLAGS, l2_flags)                                                   \
 237 _(BRIDGE_FLAGS, bridge_flags)                                           \
 238 _(TAP_CONNECT, tap_connect)                                             \
 239 _(TAP_MODIFY, tap_modify)                                               \
 240 _(TAP_DELETE, tap_delete)                                               \
 241 _(SW_INTERFACE_TAP_DUMP, sw_interface_tap_dump)                         \
 242 _(CREATE_VLAN_SUBIF, create_vlan_subif)                                 \
 243 _(CREATE_SUBIF, create_subif)                                           \
 244 _(MPLS_GRE_ADD_DEL_TUNNEL, mpls_gre_add_del_tunnel)                     \
 245 _(MPLS_ETHERNET_ADD_DEL_TUNNEL, mpls_ethernet_add_del_tunnel)           \
 246 _(MPLS_ETHERNET_ADD_DEL_TUNNEL_2, mpls_ethernet_add_del_tunnel_2)       \
 247 _(MPLS_ADD_DEL_ENCAP, mpls_add_del_encap)                               \
 248 _(MPLS_ADD_DEL_DECAP, mpls_add_del_decap)                               \
 249 _(PROXY_ARP_ADD_DEL, proxy_arp_add_del)                                 \
 250 _(PROXY_ARP_INTFC_ENABLE_DISABLE, proxy_arp_intfc_enable_disable)       \
 251 _(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del)                             \
 252 _(VNET_GET_SUMMARY_STATS, vnet_get_summary_stats)                       \
 253 _(RESET_FIB, reset_fib)                                                 \
 254 _(DHCP_PROXY_CONFIG,dhcp_proxy_config)                                  \
 255 _(DHCP_PROXY_CONFIG_2,dhcp_proxy_config_2)                              \
 256 _(DHCP_PROXY_SET_VSS,dhcp_proxy_set_vss)                                \
 257 _(DHCP_CLIENT_CONFIG, dhcp_client_config)                               \
 258 _(SET_IP_FLOW_HASH,set_ip_flow_hash)                                    \
 259 _(SW_INTERFACE_IP6ND_RA_CONFIG, sw_interface_ip6nd_ra_config)           \
 260 _(SW_INTERFACE_IP6ND_RA_PREFIX, sw_interface_ip6nd_ra_prefix)           \
 261 _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable )    \
 262 _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS,                              \
 263   sw_interface_ip6_set_link_local_address)                              \
 264 _(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered)             \
 265 _(CREATE_LOOPBACK, create_loopback)                                     \
 266 _(CONTROL_PING, control_ping)                                           \
 267 _(CLI_REQUEST, cli_request)                                             \
 268 _(SET_ARP_NEIGHBOR_LIMIT, set_arp_neighbor_limit)                       \
 269 _(L2_PATCH_ADD_DEL, l2_patch_add_del)                                   \
 270 _(CLASSIFY_ADD_DEL_TABLE, classify_add_del_table)                       \
 271 _(CLASSIFY_ADD_DEL_SESSION, classify_add_del_session)                   \
 272 _(CLASSIFY_SET_INTERFACE_IP_TABLE, classify_set_interface_ip_table)     \
 273 _(CLASSIFY_SET_INTERFACE_L2_TABLES, classify_set_interface_l2_tables)   \
 274 _(GET_NODE_INDEX, get_node_index)                                       \
 275 _(ADD_NODE_NEXT, add_node_next)                                         \
 276 _(L2TPV3_CREATE_TUNNEL, l2tpv3_create_tunnel)                           \
 277 _(L2TPV3_SET_TUNNEL_COOKIES, l2tpv3_set_tunnel_cookies)                 \
 278 _(L2TPV3_INTERFACE_ENABLE_DISABLE, l2tpv3_interface_enable_disable)     \
 279 _(L2TPV3_SET_LOOKUP_KEY, l2tpv3_set_lookup_key)                         \
 280 _(SW_IF_L2TPV3_TUNNEL_DUMP, sw_if_l2tpv3_tunnel_dump)                   \
 281 _(VXLAN_ADD_DEL_TUNNEL, vxlan_add_del_tunnel)                           \
 282 _(VXLAN_TUNNEL_DUMP, vxlan_tunnel_dump)                                 \
 283 _(GRE_ADD_DEL_TUNNEL, gre_add_del_tunnel)                               \
 284 _(GRE_TUNNEL_DUMP, gre_tunnel_dump)                                     \
 285 _(L2_FIB_CLEAR_TABLE, l2_fib_clear_table)                               \
 286 _(L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter)                     \
 287 _(L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite)         \
 288 _(CREATE_VHOST_USER_IF, create_vhost_user_if)                           \
 289 _(MODIFY_VHOST_USER_IF, modify_vhost_user_if)                           \
 290 _(DELETE_VHOST_USER_IF, delete_vhost_user_if)                           \
 291 _(SW_INTERFACE_VHOST_USER_DUMP, sw_interface_vhost_user_dump)           \
 292 _(IP_ADDRESS_DUMP, ip_address_dump)                                     \
 293 _(IP_DUMP, ip_dump)                                                     \
 294 _(SW_INTERFACE_VHOST_USER_DETAILS, sw_interface_vhost_user_details)     \
 295 _(SHOW_VERSION, show_version)                                           \
 296 _(L2_FIB_TABLE_DUMP, l2_fib_table_dump)                                 \
 297 _(L2_FIB_TABLE_ENTRY, l2_fib_table_entry)                               \
 298 _(VXLAN_GPE_ADD_DEL_TUNNEL, vxlan_gpe_add_del_tunnel)                   \
 299 _(VXLAN_GPE_TUNNEL_DUMP, vxlan_gpe_tunnel_dump)                         \
 300 _(INTERFACE_NAME_RENUMBER, interface_name_renumber)                     \
 301 _(WANT_IP4_ARP_EVENTS, want_ip4_arp_events)                             \
 302 _(INPUT_ACL_SET_INTERFACE, input_acl_set_interface)                     \
 303 _(IPSEC_SPD_ADD_DEL, ipsec_spd_add_del)                                 \
 304 _(IPSEC_INTERFACE_ADD_DEL_SPD, ipsec_interface_add_del_spd)             \
 305 _(IPSEC_SPD_ADD_DEL_ENTRY, ipsec_spd_add_del_entry)                     \
 306 _(IPSEC_SAD_ADD_DEL_ENTRY, ipsec_sad_add_del_entry)                     \
 307 _(IPSEC_SA_SET_KEY, ipsec_sa_set_key)                                   \
 308 _(IKEV2_PROFILE_ADD_DEL, ikev2_profile_add_del)                         \
 309 _(IKEV2_PROFILE_SET_AUTH, ikev2_profile_set_auth)                       \
 310 _(IKEV2_PROFILE_SET_ID, ikev2_profile_set_id)                           \
 311 _(IKEV2_PROFILE_SET_TS, ikev2_profile_set_ts)                           \
 312 _(IKEV2_SET_LOCAL_KEY, ikev2_set_local_key)                             \
 313 _(DELETE_LOOPBACK, delete_loopback)                                     \
 314 _(BD_IP_MAC_ADD_DEL, bd_ip_mac_add_del)                                 \
 315 _(MAP_ADD_DOMAIN, map_add_domain)                                       \
 316 _(MAP_DEL_DOMAIN, map_del_domain)                                       \
 317 _(MAP_ADD_DEL_RULE, map_add_del_rule)                                   \
 318 _(MAP_DOMAIN_DUMP, map_domain_dump)                                     \
 319 _(MAP_RULE_DUMP, map_rule_dump)                                         \
 320 _(MAP_SUMMARY_STATS, map_summary_stats)                                 \
 321 _(COP_INTERFACE_ENABLE_DISABLE, cop_interface_enable_disable)           \
 322 _(COP_WHITELIST_ENABLE_DISABLE, cop_whitelist_enable_disable)           \
 323 _(GET_NODE_GRAPH, get_node_graph)                                       \
 324 _(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats)                   \
 325 _(TRACE_PROFILE_ADD, trace_profile_add)                                 \
 326 _(TRACE_PROFILE_APPLY, trace_profile_apply)                             \
 327 _(TRACE_PROFILE_DEL, trace_profile_del)                                 \
 328 _(LISP_ADD_DEL_LOCATOR_SET, lisp_add_del_locator_set)                   \
 329 _(LISP_ADD_DEL_LOCATOR, lisp_add_del_locator)                           \
 330 _(LISP_ADD_DEL_LOCAL_EID, lisp_add_del_local_eid)                       \
 331 _(LISP_GPE_ADD_DEL_FWD_ENTRY, lisp_gpe_add_del_fwd_entry)               \
 332 _(LISP_ADD_DEL_MAP_RESOLVER, lisp_add_del_map_resolver)                 \
 333 _(LISP_GPE_ENABLE_DISABLE, lisp_gpe_enable_disable)                     \
 334 _(LISP_ENABLE_DISABLE, lisp_enable_disable)                             \
 335 _(LISP_GPE_ADD_DEL_IFACE, lisp_gpe_add_del_iface)                       \
 336 _(LISP_ADD_DEL_REMOTE_MAPPING, lisp_add_del_remote_mapping)             \
 337 _(LISP_ADD_DEL_ADJACENCY, lisp_add_del_adjacency)                       \
 338 _(LISP_PITR_SET_LOCATOR_SET, lisp_pitr_set_locator_set)                 \
 339 _(LISP_EID_TABLE_ADD_DEL_MAP, lisp_eid_table_add_del_map)               \
 340 _(LISP_LOCATOR_SET_DUMP, lisp_locator_set_dump)                         \
 341 _(LISP_LOCAL_EID_TABLE_DUMP, lisp_local_eid_table_dump)                 \
 342 _(LISP_GPE_TUNNEL_DUMP, lisp_gpe_tunnel_dump)                           \
 343 _(LISP_MAP_RESOLVER_DUMP, lisp_map_resolver_dump)                       \
 344 _(LISP_EID_TABLE_MAP_DUMP, lisp_eid_table_map_dump)                     \
 345 _(LISP_ENABLE_DISABLE_STATUS_DUMP,                                      \
 346   lisp_enable_disable_status_dump)                                      \
 347 _(LISP_ADD_DEL_MAP_REQUEST_ITR_RLOCS,                                   \
 348   lisp_add_del_map_request_itr_rlocs)                                   \
 349 _(LISP_GET_MAP_REQUEST_ITR_RLOCS, lisp_get_map_request_itr_rlocs)       \
 350 _(SR_MULTICAST_MAP_ADD_DEL, sr_multicast_map_add_del)                   \
 351 _(AF_PACKET_CREATE, af_packet_create)                                   \
 352 _(AF_PACKET_DELETE, af_packet_delete)                                   \
 353 _(POLICER_ADD_DEL, policer_add_del)                                     \
 354 _(POLICER_DUMP, policer_dump)                                           \
 355 _(NETMAP_CREATE, netmap_create)                                         \
 356 _(NETMAP_DELETE, netmap_delete)                                         \
 357 _(MPLS_GRE_TUNNEL_DUMP, mpls_gre_tunnel_dump)                           \
 358 _(MPLS_GRE_TUNNEL_DETAILS, mpls_gre_tunnel_details)                     \
 359 _(MPLS_ETH_TUNNEL_DUMP, mpls_eth_tunnel_dump)                           \
 360 _(MPLS_ETH_TUNNEL_DETAILS, mpls_eth_tunnel_details)                     \
 361 _(MPLS_FIB_ENCAP_DUMP, mpls_fib_encap_dump)                             \
 362 _(MPLS_FIB_ENCAP_DETAILS, mpls_fib_encap_details)                       \
 363 _(MPLS_FIB_DECAP_DUMP, mpls_fib_decap_dump)                             \
 364 _(MPLS_FIB_DECAP_DETAILS, mpls_fib_decap_details)                       \
 365 _(CLASSIFY_TABLE_IDS,classify_table_ids)                                \
 366 _(CLASSIFY_TABLE_BY_INTERFACE, classify_table_by_interface)             \
 367 _(CLASSIFY_TABLE_INFO,classify_table_info)                              \
 368 _(CLASSIFY_SESSION_DUMP,classify_session_dump)                          \
 369 _(CLASSIFY_SESSION_DETAILS,classify_session_details)                    \
 370 _(IPFIX_ENABLE,ipfix_enable)                                            \
 371 _(IPFIX_DUMP,ipfix_dump)                                                \
 372 _(GET_NEXT_INDEX, get_next_index)
 373
 374 #define QUOTE_(x) #x
 375 #define QUOTE(x) QUOTE_(x)
 376
 377 #define foreach_registration_hash               \
 378 _(interface_events)                             \
 379 _(to_netconf_server)                            \
 380 _(from_netconf_server)                          \
 381 _(to_netconf_client)                            \
 382 _(from_netconf_client)                          \
 383 _(oam_events)
 384
 385 typedef enum {
 386     RESOLVE_IP4_ADD_DEL_ROUTE=1,
 387     RESOLVE_IP6_ADD_DEL_ROUTE,
 388     RESOLVE_MPLS_ETHERNET_ADD_DEL,
 389 } resolve_t;
 390
 391 typedef struct {
 392     u8 resolve_type;
 393     union {
 394         vl_api_ip_add_del_route_t r;
 395         vl_api_mpls_ethernet_add_del_tunnel_2_t t;
 396     };
 397 } pending_route_t;
 398
 399 typedef struct {
 400
 401 #define _(a) uword *a##_registration_hash;              \
 402     vpe_client_registration_t * a##_registrations;
 403 foreach_registration_hash
 404 #undef _
 405
 406     /* notifications happen really early in the game */
 407     u8 link_state_process_up;
 408
 409     /* ip4 pending route adds */
 410     pending_route_t * pending_routes;
 411
 412     /* ip4 arp event registration pool */
 413     vl_api_ip4_arp_event_t * arp_events;
 414
 415     /* convenience */
 416     vlib_main_t * vlib_main;
 417     vnet_main_t * vnet_main;
 418 } vpe_api_main_t;
 419
 420 static vlib_node_registration_t vpe_resolver_process_node;
 421 static vpe_api_main_t vpe_api_main;
 422
 423 static void send_sw_interface_flags (vpe_api_main_t * am,
 424                                      unix_shared_memory_queue_t *q,
 425                                      vnet_sw_interface_t * swif);
 426 static void send_sw_interface_flags_deleted (vpe_api_main_t * am,
 427                                      unix_shared_memory_queue_t *q,
 428                                      u32 sw_if_index);
 429
 430 static int arp_change_delete_callback (u32 pool_index, u8 * notused);
 431
 432
 433 /* Clean up all registrations belonging to the indicated client */
 434 int vl_api_memclnt_delete_callback (u32 client_index)
 435 {
 436     vpe_api_main_t * vam = &vpe_api_main;
 437     vpe_client_registration_t *rp;
 438     uword * p;
 439     int stats_memclnt_delete_callback (u32 client_index);
 440
 441     stats_memclnt_delete_callback (client_index);
 442
 443 #define _(a)                                                    \
 444     p = hash_get (vam->a##_registration_hash, client_index);    \
 445     if (p) {                                                    \
 446         rp = pool_elt_at_index (vam->a##_registrations, p[0]);  \
 447         pool_put (vam->a##_registrations, rp);                  \
 448         hash_unset (vam->a##_registration_hash, client_index);  \
 449     }
 450     foreach_registration_hash;
 451 #undef _
 452     return 0;
 453 }
 454
 455 #define API_LINK_STATE_EVENT 1
 456 #define API_ADMIN_UP_DOWN_EVENT 2
 457
 458 static int
 459 event_data_cmp (void * a1, void * a2)
 460 {
 461   uword * e1 = a1;
 462   uword * e2 = a2;
 463
 464   return (word) e1[0] - (word) e2[0];
 465 }
 466
 467 static uword
 468 link_state_process (vlib_main_t * vm,
 469                     vlib_node_runtime_t * rt,
 470                     vlib_frame_t * f)
 471 {
 472     vpe_api_main_t * vam = &vpe_api_main;
 473     vnet_main_t * vnm = vam->vnet_main;
 474     vnet_sw_interface_t * swif;
 475     uword * event_data = 0;
 476     vpe_client_registration_t *reg;
 477     int i;
 478     u32 prev_sw_if_index;
 479     unix_shared_memory_queue_t * q;
 480
 481     vam->link_state_process_up = 1;
 482
 483     while (1) {
 484         vlib_process_wait_for_event (vm);
 485
 486         /* Unified list of changed link or admin state sw_if_indices */
 487         vlib_process_get_events_with_type
 488             (vm, &event_data, API_LINK_STATE_EVENT);
 489         vlib_process_get_events_with_type
 490             (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
 491
 492         /* Sort, so we can eliminate duplicates */
 493         vec_sort_with_function (event_data, event_data_cmp);
 494
 495         prev_sw_if_index = ~0;
 496
 497         for (i = 0; i < vec_len(event_data); i++) {
 498             /* Only one message per swif */
 499             if (prev_sw_if_index == event_data[i])
 500                 continue;
 501             prev_sw_if_index = event_data[i];
 502
 503             pool_foreach(reg, vam->interface_events_registrations,
 504             ({
 505                 q = vl_api_client_index_to_input_queue (reg->client_index);
 506                 if (q) {
 507                     // sw_interface may be deleted already
 508                     if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
 509                             event_data[i]))
 510                     {
 511                         swif = vnet_get_sw_interface (vnm, event_data[i]);
 512                         send_sw_interface_flags (vam, q, swif);
 513                     }
 514                 }
 515             }));
 516         }
 517         vec_reset_length (event_data);
 518     }
 519
 520     return 0;
 521 }
 522
 523 static clib_error_t *
 524 link_up_down_function (vnet_main_t *vm, u32 hw_if_index, u32 flags);
 525 static clib_error_t *
 526 admin_up_down_function (vnet_main_t *vm, u32 hw_if_index, u32 flags);
 527
 528 VLIB_REGISTER_NODE (link_state_process_node,static) = {
 529     .function = link_state_process,
 530     .type = VLIB_NODE_TYPE_PROCESS,
 531     .name = "vpe-link-state-process",
 532 };
 533
 534 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
 535 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
 536
 537 static clib_error_t *
 538 link_up_down_function (vnet_main_t *vm, u32 hw_if_index, u32 flags)
 539 {
 540     vpe_api_main_t * vam = &vpe_api_main;
 541     vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
 542
 543     if (vam->link_state_process_up)
 544         vlib_process_signal_event (vam->vlib_main,
 545                                    link_state_process_node.index,
 546                                    API_LINK_STATE_EVENT,
 547                                    hi->sw_if_index);
 548     return 0;
 549 }
 550
 551 static clib_error_t *
 552 admin_up_down_function (vnet_main_t *vm, u32 sw_if_index, u32 flags)
 553 {
 554     vpe_api_main_t * vam = &vpe_api_main;
 555
 556     /*
 557      * Note: it's perfectly fair to set a subif admin up / admin down.
 558      * Note the subtle distinction between this routine and the previous
 559      * routine.
 560      */
 561     if (vam->link_state_process_up)
 562         vlib_process_signal_event (vam->vlib_main,
 563                                    link_state_process_node.index,
 564                                    API_ADMIN_UP_DOWN_EVENT,
 565                                    sw_if_index);
 566     return 0;
 567 }
 568
 569 #define pub_sub_handler(lca,UCA)                                        \
 570 static void vl_api_want_##lca##_t_handler (                             \
 571     vl_api_want_##lca##_t *mp)                                          \
 572 {                                                                       \
 573     vpe_api_main_t *vam = &vpe_api_main;                                \
 574     vpe_client_registration_t *rp;                                      \
 575     vl_api_want_##lca##_reply_t *rmp;                                   \
 576     uword *p;                                                           \
 577     i32 rv = 0;                                                         \
 578                                                                         \
 579     p = hash_get (vam->lca##_registration_hash, mp->client_index);      \
 580     if (p) {                                                            \
 581         if (mp->enable_disable) {                                       \
 582             clib_warning ("pid %d: already enabled...", mp->pid);       \
 583             rv = VNET_API_ERROR_INVALID_REGISTRATION;                   \
 584             goto reply;                                                 \
 585         } else {                                                        \
 586             rp = pool_elt_at_index (vam->lca##_registrations, p[0]);    \
 587             pool_put (vam->lca##_registrations, rp);                    \
 588             hash_unset (vam->lca##_registration_hash,                   \
 589                 mp->client_index);                                      \
 590             goto reply;                                                 \
 591         }                                                               \
 592     }                                                                   \
 593     if (mp->enable_disable == 0) {                                      \
 594         clib_warning ("pid %d: already disabled...", mp->pid);          \
 595         rv = VNET_API_ERROR_INVALID_REGISTRATION;                       \
 596         goto reply;                                                     \
 597     }                                                                   \
 598     pool_get (vam->lca##_registrations, rp);                            \
 599     rp->client_index = mp->client_index;                                \
 600     rp->client_pid = mp->pid;                                           \
 601     hash_set (vam->lca##_registration_hash, rp->client_index,           \
 602               rp - vam->lca##_registrations);                           \
 603                                                                         \
 604 reply:                                                                  \
 605     REPLY_MACRO (VL_API_WANT_##UCA##_REPLY);                            \
 606 }
 607
 608 pub_sub_handler (interface_events,INTERFACE_EVENTS)
 609 pub_sub_handler (oam_events,OAM_EVENTS)
 610
 611 #define RESOLUTION_EVENT 1
 612 #define RESOLUTION_PENDING_EVENT 2
 613 #define IP4_ARP_EVENT 3
 614
 615 static int ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t *mp);
 616 static int ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t *mp);
 617 static int mpls_ethernet_add_del_tunnel_2_t_handler
 618 (vl_api_mpls_ethernet_add_del_tunnel_2_t *mp);
 619
 620 void handle_ip4_arp_event (u32 pool_index)
 621 {
 622     vpe_api_main_t * vam = &vpe_api_main;
 623     vnet_main_t * vnm = vam->vnet_main;
 624     vlib_main_t * vm = vam->vlib_main;
 625     vl_api_ip4_arp_event_t * event;
 626     vl_api_ip4_arp_event_t * mp;
 627     unix_shared_memory_queue_t * q;
 628
 629     /* Client can cancel, die, etc. */
 630     if (pool_is_free_index (vam->arp_events, pool_index))
 631         return;
 632
 633     event = pool_elt_at_index (vam->arp_events, pool_index);
 634
 635     q = vl_api_client_index_to_input_queue (event->client_index);
 636     if (!q) {
 637         (void) vnet_add_del_ip4_arp_change_event
 638             (vnm, arp_change_delete_callback,
 639              event->pid, &event->address,
 640              vpe_resolver_process_node.index, IP4_ARP_EVENT,
 641              ~0 /* pool index, notused */, 0 /* is_add */);
 642         return;
 643     }
 644
 645     if (q->cursize < q->maxsize) {
 646         mp =  vl_msg_api_alloc (sizeof (*mp));
 647         clib_memcpy (mp, event, sizeof (*mp));
 648         vl_msg_api_send_shmem (q, (u8 *)&mp);
 649     } else {
 650         static f64 last_time;
 651         /*
 652          * Throttle syslog msgs.
 653          * It's pretty tempting to just revoke the registration...
 654          */
 655         if (vlib_time_now (vm) > last_time + 10.0) {
 656             clib_warning ("arp event for %U to pid %d: queue stuffed!",
 657                           format_ip4_address, &event->address, event->pid);
 658             last_time = vlib_time_now(vm);
 659         }
 660     }
 661 }
 662
 663 static uword
 664 resolver_process (vlib_main_t * vm,
 665                     vlib_node_runtime_t * rt,
 666                     vlib_frame_t * f)
 667 {
 668     uword event_type;
 669     uword *event_data = 0;
 670     f64 timeout = 100.0;
 671     vpe_api_main_t * vam = &vpe_api_main;
 672     pending_route_t * pr;
 673     vl_api_ip_add_del_route_t * adr;
 674     vl_api_mpls_ethernet_add_del_tunnel_2_t *pme;
 675     u32 * resolution_failures = 0;
 676     int i, rv;
 677     clib_error_t * e;
 678
 679     while (1) {
 680         vlib_process_wait_for_event_or_clock (vm, timeout);
 681
 682         event_type = vlib_process_get_events (vm, &event_data);
 683
 684         switch (event_type) {
 685         case RESOLUTION_PENDING_EVENT:
 686             timeout = 1.0;
 687             break;
 688
 689         case RESOLUTION_EVENT:
 690             for (i = 0; i < vec_len(event_data); i++) {
 691                 /*
 692                  * Resolution events can occur long after the
 693                  * original request has timed out. $$$ add a cancel
 694                  * mechanism..
 695                  */
 696                 if (pool_is_free_index (vam->pending_routes, event_data[i]))
 697                     continue;
 698
 699                 pr = pool_elt_at_index (vam->pending_routes, event_data[i]);
 700                 adr = &pr->r;
 701                 pme = &pr->t;
 702
 703                 switch (pr->resolve_type) {
 704                 case RESOLVE_IP4_ADD_DEL_ROUTE:
 705                     rv = ip4_add_del_route_t_handler (adr);
 706                     clib_warning ("resolver: add %U/%d via %U %s",
 707                                   format_ip4_address,
 708                                   (ip4_address_t *)&(adr->dst_address),
 709                                   adr->dst_address_length,
 710                                   format_ip4_address,
 711                                   (ip4_address_t *)&(adr->next_hop_address),
 712                                   (rv >= 0) ? "succeeded" : "failed");
 713                     break;
 714
 715                 case RESOLVE_IP6_ADD_DEL_ROUTE:
 716                     rv = ip6_add_del_route_t_handler (adr);
 717                     clib_warning ("resolver: add %U/%d via %U %s",
 718                                   format_ip6_address,
 719                                   (ip6_address_t *)&(adr->dst_address),
 720                                   adr->dst_address_length,
 721                                   format_ip6_address,
 722                                   (ip6_address_t *)&(adr->next_hop_address),
 723                                   (rv >= 0) ? "succeeded" : "failed");
 724                     break;
 725
 726                 case RESOLVE_MPLS_ETHERNET_ADD_DEL:
 727                     rv = mpls_ethernet_add_del_tunnel_2_t_handler (pme);
 728                     clib_warning ("resolver: add mpls-o-e via %U %s",
 729                                   format_ip4_address,
 730             (ip4_address_t *)&(pme->next_hop_ip4_address_in_outer_vrf),
 731                                   (rv >= 0) ? "succeeded" : "failed");
 732                     break;
 733
 734                 default:
 735                     clib_warning ("resolver: BOGUS TYPE %d", pr->resolve_type);
 736                 }
 737                 pool_put (vam->pending_routes, pr);
 738             }
 739             break;
 740
 741         case IP4_ARP_EVENT:
 742             for (i = 0; i < vec_len(event_data); i++)
 743                 handle_ip4_arp_event (event_data[i]);
 744             break;
 745
 746         case ~0:                /* timeout, retry pending resolutions */
 747             pool_foreach (pr, vam->pending_routes,
 748             ({
 749                 int is_adr = 1;
 750                 adr = &pr->r;
 751                 pme = &pr->t;
 752
 753                 /* May fail, e.g. due to interface down */
 754                 switch (pr->resolve_type) {
 755                 case RESOLVE_IP4_ADD_DEL_ROUTE:
 756                     e = ip4_probe_neighbor
 757                         (vm, (ip4_address_t *)&(adr->next_hop_address),
 758                          ntohl(adr->next_hop_sw_if_index));
 759                     break;
 760
 761                 case RESOLVE_IP6_ADD_DEL_ROUTE:
 762                     e = ip6_probe_neighbor
 763                         (vm, (ip6_address_t *)&(adr->next_hop_address),
 764                          ntohl(adr->next_hop_sw_if_index));
 765                     break;
 766
 767                 case RESOLVE_MPLS_ETHERNET_ADD_DEL:
 768                     is_adr = 0;
 769                     e = ip4_probe_neighbor
 770                         (vm,
 771             (ip4_address_t *)&(pme->next_hop_ip4_address_in_outer_vrf),
 772                          pme->resolve_opaque);
 773                     break;
 774
 775                 default:
 776                     e = clib_error_return (0, "resolver: BOGUS TYPE %d",
 777                                            pr->resolve_type);
 778                 }
 779                 if (e) {
 780                     clib_error_report (e);
 781                     if (is_adr)
 782                         adr->resolve_attempts = 1;
 783                     else
 784                         pme->resolve_attempts = 1;
 785
 786                 }
 787                 if (is_adr) {
 788                     adr->resolve_attempts -= 1;
 789                     if (adr->resolve_attempts == 0)
 790                         vec_add1 (resolution_failures,
 791                                   pr - vam->pending_routes);
 792                 } else {
 793                     pme->resolve_attempts -= 1;
 794                     if (pme->resolve_attempts == 0)
 795                         vec_add1 (resolution_failures,
 796                                   pr - vam->pending_routes);
 797                 }
 798
 799             }));
 800             for (i = 0; i < vec_len (resolution_failures); i++) {
 801                 pr = pool_elt_at_index (vam->pending_routes,
 802                                         resolution_failures[i]);
 803                 adr = &pr->r;
 804                 pme = &pr->t;
 805
 806                 switch (pr->resolve_type) {
 807                 case RESOLVE_IP4_ADD_DEL_ROUTE:
 808                     clib_warning ("resolver: add %U/%d via %U retry failure",
 809                                   format_ip4_address,
 810                                   (ip4_address_t *)&(adr->dst_address),
 811                                   adr->dst_address_length,
 812                                   format_ip4_address,
 813                                   (ip4_address_t *)&(adr->next_hop_address));
 814                     break;
 815
 816                 case RESOLVE_IP6_ADD_DEL_ROUTE:
 817                     clib_warning ("resolver: add %U/%d via %U retry failure",
 818                                   format_ip6_address,
 819                                   (ip6_address_t *)&(adr->dst_address),
 820                                   adr->dst_address_length,
 821                                   format_ip6_address,
 822                                   (ip6_address_t *)&(adr->next_hop_address));
 823                     break;
 824
 825                 case RESOLVE_MPLS_ETHERNET_ADD_DEL:
 826                     clib_warning ("resolver: add mpls-o-e via %U retry failure",
 827                                   format_ip4_address,
 828                    (ip4_address_t *)&(pme->next_hop_ip4_address_in_outer_vrf));
 829                     break;
 830
 831                 default:
 832                     clib_warning ("BUG");
 833                 }
 834                 pool_put(vam->pending_routes, pr);
 835             }
 836             vec_reset_length (resolution_failures);
 837             break;
 838         }
 839         if (pool_elts (vam->pending_routes) == 0)
 840             timeout = 100.0;
 841         vec_reset_length (event_data);
 842     }
 843     return 0; /* or not */
 844 }
 845
 846 VLIB_REGISTER_NODE (vpe_resolver_process_node,static) = {
 847     .function = resolver_process,
 848     .type = VLIB_NODE_TYPE_PROCESS,
 849     .name = "vpe-route-resolver-process",
 850 };
 851
 852 static int ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t *mp)
 853 {
 854     ip4_main_t * im = &ip4_main;
 855     ip_lookup_main_t * lm = &im->lookup_main;
 856     vnet_classify_main_t * cm = &vnet_classify_main;
 857     stats_main_t * sm = &stats_main;
 858     ip4_add_del_route_args_t a;
 859     ip4_address_t next_hop_address;
 860     u32 fib_index;
 861     vpe_api_main_t * vam = &vpe_api_main;
 862     vnet_main_t * vnm = vam->vnet_main;
 863     vlib_main_t * vm = vlib_get_main();
 864     pending_route_t * pr;
 865     vl_api_ip_add_del_route_t * adr;
 866     uword * p;
 867     clib_error_t * e;
 868     u32 ai;
 869     ip_adjacency_t *adj;
 870
 871     p = hash_get (im->fib_index_by_table_id, ntohl(mp->vrf_id));
 872     if (!p) {
 873         if (mp->create_vrf_if_needed) {
 874             ip4_fib_t * f;
 875             f = find_ip4_fib_by_table_index_or_id (im, ntohl(mp->vrf_id),
 876                                                    0 /* flags */);
 877             fib_index = f->index;
 878         } else {
 879             /* No such VRF, and we weren't asked to create one */
 880             return VNET_API_ERROR_NO_SUCH_FIB;
 881         }
 882     } else {
 883         fib_index = p[0];
 884     }
 885
 886     if (~0 != mp->next_hop_sw_if_index &&
 887         pool_is_free_index (vnm->interface_main.sw_interfaces,
 888                             ntohl(mp->next_hop_sw_if_index)))
 889         return VNET_API_ERROR_NO_MATCHING_INTERFACE;
 890
 891     clib_memcpy (next_hop_address.data, mp->next_hop_address,
 892             sizeof (next_hop_address.data));
 893
 894     /* Arp for the next_hop if necessary */
 895     if (mp->is_add && mp->resolve_if_needed && ~0 != mp->next_hop_sw_if_index) {
 896         u32 lookup_result;
 897         ip_adjacency_t * adj;
 898
 899         lookup_result = ip4_fib_lookup_with_table
 900             (im, fib_index, &next_hop_address, 1 /* disable default route */);
 901
 902         adj = ip_get_adjacency (lm, lookup_result);
 903
 904         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
 905             pool_get (vam->pending_routes, pr);
 906             pr->resolve_type = RESOLVE_IP4_ADD_DEL_ROUTE;
 907             adr = &pr->r;
 908             clib_memcpy (adr, mp, sizeof (*adr));
 909             /* recursion block, "just in case" */
 910             adr->resolve_if_needed = 0;
 911             adr->resolve_attempts = ntohl(mp->resolve_attempts);
 912             vnet_register_ip4_arp_resolution_event
 913                 (vnm, &next_hop_address, vpe_resolver_process_node.index,
 914                  RESOLUTION_EVENT, pr - vam->pending_routes);
 915
 916             vlib_process_signal_event
 917                 (vm, vpe_resolver_process_node.index,
 918                  RESOLUTION_PENDING_EVENT, 0 /* data */);
 919
 920             /* The interface may be down, etc. */
 921             e = ip4_probe_neighbor
 922                 (vm, (ip4_address_t *)&(mp->next_hop_address),
 923                  ntohl(mp->next_hop_sw_if_index));
 924
 925             if (e)
 926                 clib_error_report(e);
 927
 928             return VNET_API_ERROR_IN_PROGRESS;
 929         }
 930     }
 931
 932     if (mp->is_multipath) {
 933         u32 flags;
 934
 935         dslock (sm, 1 /* release hint */, 10 /* tag */);
 936
 937         if (mp->is_add)
 938            flags = IP4_ROUTE_FLAG_ADD;
 939         else
 940            flags = IP4_ROUTE_FLAG_DEL;
 941
 942         if (mp->not_last)
 943             flags |= IP4_ROUTE_FLAG_NOT_LAST_IN_GROUP;
 944
 945         ip4_add_del_route_next_hop (im, flags,
 946                                     (ip4_address_t *) mp->dst_address,
 947                                     (u32) mp->dst_address_length,
 948                                     (ip4_address_t *) mp->next_hop_address,
 949                                     ntohl(mp->next_hop_sw_if_index),
 950                                     (u32) mp->next_hop_weight,
 951                                     ~0 /* adj_index */,
 952                                     fib_index);
 953         dsunlock(sm);
 954         return 0;
 955     }
 956
 957     memset (&a, 0, sizeof (a));
 958     clib_memcpy (a.dst_address.data, mp->dst_address, sizeof (a.dst_address.data));
 959
 960     a.dst_address_length = mp->dst_address_length;
 961
 962     a.flags = (mp->is_add ? IP4_ROUTE_FLAG_ADD : IP4_ROUTE_FLAG_DEL);
 963     a.flags |= IP4_ROUTE_FLAG_FIB_INDEX;
 964     a.table_index_or_table_id = fib_index;
 965     a.add_adj = 0;
 966     a.n_add_adj = 0;
 967
 968     if (mp->not_last)
 969         a.flags |= IP4_ROUTE_FLAG_NOT_LAST_IN_GROUP;
 970
 971     dslock (sm, 1 /* release hint */, 2 /* tag */);
 972
 973     if (mp->is_add) {
 974         if (mp->is_drop)
 975             ai = lm->drop_adj_index;
 976         else if (mp->is_local)
 977             ai = lm->local_adj_index;
 978         else if (mp->is_classify) {
 979             if (pool_is_free_index (cm->tables, ntohl(mp->classify_table_index))) {
 980                 dsunlock(sm);
 981                 return VNET_API_ERROR_NO_SUCH_TABLE;
 982             }
 983             adj = ip_add_adjacency (lm,
 984                                     /* template */ 0,
 985                                     /* block size */ 1,
 986                                     &ai);
 987
 988             adj->lookup_next_index = IP_LOOKUP_NEXT_CLASSIFY;
 989             adj->classify.table_index = ntohl(mp->classify_table_index);
 990         }
 991         else if (mp->lookup_in_vrf) {
 992             p = hash_get (im->fib_index_by_table_id, ntohl(mp->lookup_in_vrf));
 993             if (p) {
 994                 adj = ip_add_adjacency (lm,
 995                                         /* template */ 0,
 996                                         /* block size */ 1,
 997                                         &ai);
 998                 adj->explicit_fib_index = p[0];
 999             }
1000             else {
1001                 dsunlock(sm);
1002                 return VNET_API_ERROR_NO_SUCH_INNER_FIB;
1003             }
1004         }
1005         else
1006             ai = ip4_route_get_next_hop_adj (im,
1007                                              fib_index,
1008                                              &next_hop_address,
1009                                              ntohl(mp->next_hop_sw_if_index),
1010                                              fib_index);
1011
1012         if (ai == lm->miss_adj_index) {
1013             dsunlock(sm);
1014             return VNET_API_ERROR_NO_SUCH_INNER_FIB;
1015        }
1016     } else {
1017         ip_adjacency_t * adj;
1018         int disable_default_route = 1;
1019
1020         /* Trying to delete the default route? */
1021         if (a.dst_address.as_u32 == 0 &&
1022             a.dst_address_length == 0)
1023             disable_default_route = 0;
1024
1025         ai = ip4_fib_lookup_with_table
1026             (im, fib_index, &a.dst_address, disable_default_route);
1027         if (ai == lm->miss_adj_index) {
1028             dsunlock(sm);
1029             return VNET_API_ERROR_UNKNOWN_DESTINATION;
1030         }
1031
1032         adj = ip_get_adjacency (lm, ai);
1033         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
1034             dsunlock(sm);
1035             return VNET_API_ERROR_ADDRESS_MATCHES_INTERFACE_ADDRESS;
1036         }
1037     }
1038
1039     a.adj_index = ai;
1040     ip4_add_del_route (im, &a);
1041
1042     dsunlock (sm);
1043     return 0;
1044 }
1045
1046 static int ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t *mp)
1047 {
1048     ip6_main_t * im = &ip6_main;
1049     ip_lookup_main_t * lm = &im->lookup_main;
1050     vnet_main_t * vnm = vnet_get_main();
1051     vlib_main_t * vm = vlib_get_main();
1052     vpe_api_main_t * vam = &vpe_api_main;
1053     stats_main_t * sm = &stats_main;
1054     ip6_add_del_route_args_t a;
1055     ip6_address_t next_hop_address;
1056     pending_route_t * pr;
1057     vl_api_ip_add_del_route_t * adr;
1058
1059     u32 fib_index;
1060     uword * p;
1061     clib_error_t * e;
1062     ip_adjacency_t *adj = 0;
1063     u32 ai;
1064
1065     p = hash_get (im->fib_index_by_table_id, ntohl(mp->vrf_id));
1066
1067     if (!p) {
1068         if (mp->create_vrf_if_needed) {
1069             ip6_fib_t * f;
1070             f = find_ip6_fib_by_table_index_or_id (im, ntohl(mp->vrf_id),
1071                                                    0 /* flags */);
1072             fib_index = f->index;
1073         } else {
1074             /* No such VRF, and we weren't asked to create one */
1075             return VNET_API_ERROR_NO_SUCH_FIB;
1076         }
1077     } else {
1078         fib_index = p[0];
1079     }
1080
1081     if (~0 != mp->next_hop_sw_if_index &&
1082         pool_is_free_index (vnm->interface_main.sw_interfaces,
1083                             ntohl(mp->next_hop_sw_if_index)))
1084         return VNET_API_ERROR_NO_MATCHING_INTERFACE;
1085
1086     clib_memcpy (next_hop_address.as_u8, mp->next_hop_address,
1087             sizeof (next_hop_address.as_u8));
1088
1089     /* Arp for the next_hop if necessary */
1090     if (mp->is_add && mp->resolve_if_needed && ~0 != mp->next_hop_sw_if_index) {
1091         u32 lookup_result;
1092         ip_adjacency_t * adj;
1093
1094         lookup_result = ip6_fib_lookup_with_table
1095             (im, fib_index, &next_hop_address);
1096
1097         adj = ip_get_adjacency (lm, lookup_result);
1098
1099         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
1100             pool_get (vam->pending_routes, pr);
1101             adr = &pr->r;
1102             pr->resolve_type = RESOLVE_IP6_ADD_DEL_ROUTE;
1103             clib_memcpy (adr, mp, sizeof (*adr));
1104             /* recursion block, "just in case" */
1105             adr->resolve_if_needed = 0;
1106             adr->resolve_attempts = ntohl(mp->resolve_attempts);
1107             vnet_register_ip6_neighbor_resolution_event
1108                 (vnm, &next_hop_address, vpe_resolver_process_node.index,
1109                  RESOLUTION_EVENT, pr - vam->pending_routes);
1110
1111             vlib_process_signal_event
1112                 (vm, vpe_resolver_process_node.index,
1113                  RESOLUTION_PENDING_EVENT, 0 /* data */);
1114
1115             /* The interface may be down, etc. */
1116             e = ip6_probe_neighbor
1117                 (vm, (ip6_address_t *)&(mp->next_hop_address),
1118                  ntohl(mp->next_hop_sw_if_index));
1119
1120             if (e)
1121                 clib_error_report(e);
1122
1123             return VNET_API_ERROR_IN_PROGRESS;
1124         }
1125     }
1126
1127     if (mp->is_multipath) {
1128         u32 flags;
1129
1130         dslock (sm, 1 /* release hint */, 11 /* tag */);
1131
1132         if (mp->is_add)
1133             flags = IP6_ROUTE_FLAG_ADD;
1134         else
1135             flags = IP6_ROUTE_FLAG_DEL;
1136
1137         if (mp->not_last)
1138             flags |= IP6_ROUTE_FLAG_NOT_LAST_IN_GROUP;
1139
1140         ip6_add_del_route_next_hop (im, flags, (ip6_address_t *)mp->dst_address,
1141                                     (u32) mp->dst_address_length,
1142                                     (ip6_address_t *)mp->next_hop_address,
1143                                     ntohl(mp->next_hop_sw_if_index),
1144                                     (u32) mp->next_hop_weight,
1145                                     ~0 /* adj_index */,
1146                                     fib_index);
1147         dsunlock(sm);
1148         return 0;
1149     }
1150
1151     memset (&a, 0, sizeof (a));
1152     clib_memcpy (a.dst_address.as_u8, mp->dst_address, sizeof (a.dst_address.as_u8));
1153
1154     a.dst_address_length = mp->dst_address_length;
1155
1156     a.flags = (mp->is_add ? IP6_ROUTE_FLAG_ADD : IP6_ROUTE_FLAG_DEL);
1157     a.flags |= IP6_ROUTE_FLAG_FIB_INDEX;
1158     a.table_index_or_table_id = fib_index;
1159     a.add_adj = 0;
1160     a.n_add_adj = 0;
1161
1162     if (mp->not_last)
1163         a.flags |= IP6_ROUTE_FLAG_NOT_LAST_IN_GROUP;
1164
1165     dslock (sm, 1 /* release hint */, 3 /* tag */);
1166
1167     if (mp->is_add) {
1168         if (mp->is_drop)
1169             ai = lm->drop_adj_index;
1170         else if (mp->is_local)
1171             ai = lm->local_adj_index;
1172         else if (mp->lookup_in_vrf) {
1173             p = hash_get (im->fib_index_by_table_id, ntohl(mp->lookup_in_vrf));
1174             if (p) {
1175                 adj = ip_add_adjacency (lm,
1176                                         /* template */ 0,
1177                                         /* block size */ 1,
1178                                         &ai);
1179                 adj->explicit_fib_index = p[0];
1180             }
1181             else {
1182                 dsunlock(sm);
1183                 return VNET_API_ERROR_NO_SUCH_INNER_FIB;
1184             }
1185         }
1186        else
1187            ai = ip6_route_get_next_hop_adj (im,
1188                                             fib_index,
1189                                             &next_hop_address,
1190                                             ntohl(mp->next_hop_sw_if_index),
1191                                             fib_index);
1192       if (ai == lm->miss_adj_index) {
1193           dsunlock(sm);
1194           return VNET_API_ERROR_NEXT_HOP_NOT_IN_FIB;
1195       }
1196     } else {
1197         ip_adjacency_t * adj;
1198
1199         ai = ip6_fib_lookup_with_table
1200             (im, fib_index, &a.dst_address);
1201         if (ai == lm->miss_adj_index) {
1202             dsunlock(sm);
1203             return VNET_API_ERROR_UNKNOWN_DESTINATION;
1204         }
1205         adj = ip_get_adjacency (lm, ai);
1206         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
1207             dsunlock(sm);
1208             return VNET_API_ERROR_ADDRESS_MATCHES_INTERFACE_ADDRESS;
1209         }
1210     }
1211
1212     a.adj_index = ai;
1213     ip6_add_del_route (im, &a);
1214
1215     dsunlock (sm);
1216     return 0;
1217 }
1218
1219 void vl_api_ip_add_del_route_t_handler (
1220     vl_api_ip_add_del_route_t *mp)
1221 {
1222     vl_api_ip_add_del_route_reply_t * rmp;
1223     int rv;
1224     vnet_main_t * vnm = vnet_get_main();
1225
1226     vnm->api_errno = 0;
1227
1228     if (mp->is_ipv6)
1229         rv = ip6_add_del_route_t_handler (mp);
1230     else
1231         rv = ip4_add_del_route_t_handler (mp);
1232
1233     rv = (rv == 0) ? vnm->api_errno : rv;
1234
1235     REPLY_MACRO(VL_API_IP_ADD_DEL_ROUTE_REPLY);
1236 }
1237
1238 void api_config_default_ip_route (u8 is_ipv6, u8 is_add, u32 vrf_id,
1239                                   u32 sw_if_index, u8 *next_hop_addr)
1240 {
1241     vl_api_ip_add_del_route_t mp;
1242     int rv;
1243
1244     memset (&mp, 0, sizeof(vl_api_ip_add_del_route_t));
1245
1246     /*
1247      * Configure default IP route:
1248      *  - ip route add 0.0.0.0/1 via <GW IP>
1249      *  - ip route add 128.0.0.0/1 via <GW IP>
1250      */
1251     mp.next_hop_sw_if_index = ntohl(sw_if_index);
1252     mp.vrf_id = vrf_id;
1253     mp.resolve_attempts = ~0;
1254     mp.resolve_if_needed = 1;
1255     mp.is_add = is_add;
1256     mp.is_ipv6 = is_ipv6;
1257     mp.next_hop_weight = 1;
1258
1259     clib_memcpy (&mp.next_hop_address[0], next_hop_addr, 16);
1260
1261     if (is_ipv6)
1262         rv = ip6_add_del_route_t_handler (&mp);
1263     else
1264       {
1265         mp.dst_address_length = 1;
1266
1267         mp.dst_address[0] = 0;
1268         rv = ip4_add_del_route_t_handler (&mp);
1269
1270         mp.dst_address[0] = 128;
1271         rv |= ip4_add_del_route_t_handler (&mp);
1272       }
1273
1274     if (rv)
1275         clib_error_return (0, "failed to config default IP route");
1276
1277 }
1278
1279 static void
1280 vl_api_sw_interface_add_del_address_t_handler
1281 (vl_api_sw_interface_add_del_address_t *mp)
1282 {
1283     vlib_main_t *vm = vlib_get_main();
1284     vl_api_sw_interface_add_del_address_reply_t * rmp;
1285     int rv = 0;
1286     u32 is_del;
1287
1288     VALIDATE_SW_IF_INDEX(mp);
1289
1290     is_del = mp->is_add == 0;
1291
1292     if (mp->del_all)
1293         ip_del_all_interface_addresses (vm, ntohl(mp->sw_if_index));
1294     else if (mp->is_ipv6)
1295         ip6_add_del_interface_address (vm, ntohl(mp->sw_if_index),
1296                                        (void *)mp->address,
1297                                        mp->address_length, is_del);
1298     else
1299         ip4_add_del_interface_address (vm, ntohl(mp->sw_if_index),
1300                                        (void *) mp->address,
1301                                        mp->address_length, is_del);
1302
1303     BAD_SW_IF_INDEX_LABEL;
1304
1305     REPLY_MACRO(VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
1306 }
1307
1308 static void
1309 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t *mp)
1310 {
1311     int rv = 0;
1312     u32 table_id = ntohl(mp->vrf_id);
1313     u32 sw_if_index = ntohl(mp->sw_if_index);
1314     vl_api_sw_interface_set_table_reply_t * rmp;
1315     stats_main_t * sm = &stats_main;
1316
1317     VALIDATE_SW_IF_INDEX(mp);
1318
1319     dslock (sm, 1 /* release hint */, 4 /* tag */);
1320
1321     if (mp->is_ipv6) {
1322         ip6_main_t * im = &ip6_main;
1323         ip6_fib_t * fib =
1324             find_ip6_fib_by_table_index_or_id (im, table_id,
1325                                                IP6_ROUTE_FLAG_TABLE_ID);
1326         if (fib) {
1327             vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
1328             im->fib_index_by_sw_if_index[sw_if_index] = fib->index;
1329         } else {
1330             rv = VNET_API_ERROR_NO_SUCH_FIB;
1331         }
1332     } else {
1333         ip4_main_t * im = &ip4_main;
1334         ip4_fib_t * fib = find_ip4_fib_by_table_index_or_id
1335             (im, table_id, IP4_ROUTE_FLAG_TABLE_ID);
1336
1337         /* Truthfully this can't fail */
1338         if (fib) {
1339             vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
1340             im->fib_index_by_sw_if_index[sw_if_index] = fib->index;
1341         } else {
1342             rv = VNET_API_ERROR_NO_SUCH_FIB;
1343         }
1344     }
1345     dsunlock(sm);
1346
1347     BAD_SW_IF_INDEX_LABEL;
1348
1349     REPLY_MACRO(VL_API_SW_INTERFACE_SET_TABLE_REPLY);
1350 }
1351
1352 static void
1353 vl_api_sw_interface_set_vpath_t_handler (vl_api_sw_interface_set_vpath_t *mp)
1354 {
1355     vlib_main_t *vm = vlib_get_main();
1356     ip4_main_t * im4 = &ip4_main;
1357     ip6_main_t * im6 = &ip6_main;
1358     vl_api_sw_interface_set_vpath_reply_t * rmp;
1359     int rv = 0;
1360     u32 ci;
1361     u32 sw_if_index = ntohl(mp->sw_if_index);
1362     ip4_main_t   *ip4m = &ip4_main;
1363     ip6_main_t   *ip6m = &ip6_main;
1364     ip_lookup_main_t *ip4lm = &ip4m->lookup_main;
1365     ip_lookup_main_t *ip6lm = &ip6m->lookup_main;
1366     ip_config_main_t *rx_cm4u = &ip4lm->rx_config_mains[VNET_UNICAST];
1367     ip_config_main_t *rx_cm4m = &ip4lm->rx_config_mains[VNET_MULTICAST];
1368     ip_config_main_t *rx_cm6u = &ip6lm->rx_config_mains[VNET_UNICAST];
1369     ip_config_main_t *rx_cm6m = &ip6lm->rx_config_mains[VNET_MULTICAST];
1370
1371     VALIDATE_SW_IF_INDEX(mp);
1372
1373     l2input_intf_bitmap_enable(sw_if_index, L2INPUT_FEAT_VPATH, mp->enable);
1374     if (mp->enable) {
1375         ci = rx_cm4u->config_index_by_sw_if_index[sw_if_index]; //IP4 unicast
1376         ci = vnet_config_add_feature(vm, &rx_cm4u->config_main,
1377                                      ci,
1378                                      im4->ip4_unicast_rx_feature_vpath,
1379                                      0, 0);
1380         rx_cm4u->config_index_by_sw_if_index[sw_if_index] = ci;
1381         ci = rx_cm4m->config_index_by_sw_if_index[sw_if_index]; //IP4 mcast
1382         ci = vnet_config_add_feature(vm, &rx_cm4m->config_main,
1383                                      ci,
1384                                      im4->ip4_multicast_rx_feature_vpath,
1385                                      0, 0);
1386         rx_cm4m->config_index_by_sw_if_index[sw_if_index] = ci;
1387         ci = rx_cm6u->config_index_by_sw_if_index[sw_if_index]; //IP6 unicast
1388         ci = vnet_config_add_feature(vm, &rx_cm6u->config_main,
1389                                      ci,
1390                                      im6->ip6_unicast_rx_feature_vpath,
1391                                      0, 0);
1392         rx_cm6u->config_index_by_sw_if_index[sw_if_index] = ci;
1393         ci = rx_cm6m->config_index_by_sw_if_index[sw_if_index]; //IP6 mcast
1394         ci = vnet_config_add_feature(vm, &rx_cm6m->config_main,
1395                                      ci,
1396                                      im6->ip6_multicast_rx_feature_vpath,
1397                                      0, 0);
1398         rx_cm6m->config_index_by_sw_if_index[sw_if_index] = ci;
1399     } else {
1400         ci = rx_cm4u->config_index_by_sw_if_index[sw_if_index]; //IP4 unicast
1401         ci = vnet_config_del_feature(vm, &rx_cm4u->config_main,
1402                                      ci,
1403                                      im4->ip4_unicast_rx_feature_vpath,
1404                                      0, 0);
1405         rx_cm4u->config_index_by_sw_if_index[sw_if_index] = ci;
1406         ci = rx_cm4m->config_index_by_sw_if_index[sw_if_index]; //IP4 mcast
1407         ci = vnet_config_del_feature(vm, &rx_cm4m->config_main,
1408                                      ci,
1409                                      im4->ip4_multicast_rx_feature_vpath,
1410                                      0, 0);
1411         rx_cm4m->config_index_by_sw_if_index[sw_if_index] = ci;
1412         ci = rx_cm6u->config_index_by_sw_if_index[sw_if_index]; //IP6 unicast
1413         ci = vnet_config_del_feature(vm, &rx_cm6u->config_main,
1414                                      ci,
1415                                      im6->ip6_unicast_rx_feature_vpath,
1416                                      0, 0);
1417         rx_cm6u->config_index_by_sw_if_index[sw_if_index] = ci;
1418         ci = rx_cm6m->config_index_by_sw_if_index[sw_if_index]; //IP6 mcast
1419         ci = vnet_config_del_feature(vm, &rx_cm6m->config_main,
1420                                      ci,
1421                                      im6->ip6_multicast_rx_feature_vpath,
1422                                      0, 0);
1423         rx_cm6m->config_index_by_sw_if_index[sw_if_index] = ci;
1424     }
1425
1426     BAD_SW_IF_INDEX_LABEL;
1427
1428     REPLY_MACRO(VL_API_SW_INTERFACE_SET_VPATH_REPLY);
1429 }
1430
1431 static void
1432 vl_api_sw_interface_set_l2_xconnect_t_handler (
1433     vl_api_sw_interface_set_l2_xconnect_t *mp)
1434 {
1435     vl_api_sw_interface_set_l2_xconnect_reply_t * rmp;
1436     int rv = 0;
1437     u32 rx_sw_if_index = ntohl(mp->rx_sw_if_index);
1438     u32 tx_sw_if_index = ntohl(mp->tx_sw_if_index);
1439     vlib_main_t *vm  = vlib_get_main();
1440     vnet_main_t *vnm = vnet_get_main();
1441
1442     VALIDATE_RX_SW_IF_INDEX(mp);
1443
1444     if (mp->enable) {
1445         VALIDATE_TX_SW_IF_INDEX(mp);
1446         rv = set_int_l2_mode(vm, vnm, MODE_L2_XC,
1447                              rx_sw_if_index, 0, 0, 0, tx_sw_if_index);
1448     } else {
1449         rv = set_int_l2_mode(vm, vnm, MODE_L3, rx_sw_if_index, 0, 0, 0, 0);
1450     }
1451
1452     BAD_RX_SW_IF_INDEX_LABEL;
1453     BAD_TX_SW_IF_INDEX_LABEL;
1454
1455     REPLY_MACRO(VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY);
1456 }
1457
1458 static void
1459 vl_api_sw_interface_set_l2_bridge_t_handler (
1460     vl_api_sw_interface_set_l2_bridge_t *mp)
1461 {
1462     bd_main_t * bdm = &bd_main;
1463     vl_api_sw_interface_set_l2_bridge_reply_t * rmp;
1464     int rv = 0;
1465     u32 rx_sw_if_index = ntohl(mp->rx_sw_if_index);
1466     u32 bd_id = ntohl(mp->bd_id);
1467     u32 bd_index;
1468     u32 bvi = mp->bvi;
1469     u8 shg = mp->shg;
1470     vlib_main_t *vm  = vlib_get_main();
1471     vnet_main_t *vnm = vnet_get_main();
1472
1473     VALIDATE_RX_SW_IF_INDEX(mp);
1474
1475     bd_index = bd_find_or_add_bd_index (bdm, bd_id);
1476
1477     if (mp->enable) {
1478         //VALIDATE_TX_SW_IF_INDEX(mp);
1479         rv = set_int_l2_mode(vm, vnm, MODE_L2_BRIDGE,
1480                              rx_sw_if_index, bd_index, bvi, shg, 0);
1481     } else {
1482         rv = set_int_l2_mode(vm, vnm, MODE_L3, rx_sw_if_index, 0, 0, 0, 0);
1483     }
1484
1485     BAD_RX_SW_IF_INDEX_LABEL;
1486
1487     REPLY_MACRO(VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY);
1488 }
1489
1490 static void
1491 vl_api_bridge_domain_add_del_t_handler (
1492     vl_api_bridge_domain_add_del_t *mp)
1493 {
1494     vlib_main_t * vm = vlib_get_main ();
1495     bd_main_t * bdm = &bd_main;
1496     vl_api_bridge_domain_add_del_reply_t * rmp;
1497     int rv = 0;
1498     u32 enable_flags = 0, disable_flags = 0;
1499     u32 bd_id = ntohl(mp->bd_id);
1500     u32 bd_index;
1501
1502     if (mp->is_add) {
1503         bd_index = bd_find_or_add_bd_index (bdm, bd_id);
1504
1505         if (mp->flood)
1506             enable_flags |= L2_FLOOD;
1507         else
1508             disable_flags |= L2_FLOOD;
1509
1510         if (mp->uu_flood)
1511             enable_flags |= L2_UU_FLOOD;
1512         else
1513             disable_flags |= L2_UU_FLOOD;
1514
1515         if (mp->forward)
1516             enable_flags |= L2_FWD;
1517         else
1518             disable_flags |= L2_FWD;
1519
1520         if (mp->arp_term)
1521             enable_flags |= L2_ARP_TERM;
1522         else
1523             disable_flags |= L2_ARP_TERM;
1524
1525         if (mp->learn)
1526             enable_flags |= L2_LEARN;
1527         else
1528             disable_flags |= L2_LEARN;
1529
1530         if (enable_flags)
1531             bd_set_flags (vm, bd_index, enable_flags, 1 /* enable */);
1532
1533         if (disable_flags)
1534             bd_set_flags (vm, bd_index, disable_flags, 0 /* disable */);
1535
1536     } else
1537         rv = bd_delete_bd_index(bdm, bd_id);
1538
1539     REPLY_MACRO(VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY);
1540 }
1541
1542 static void vl_api_bridge_domain_details_t_handler (
1543     vl_api_bridge_domain_details_t * mp)
1544 {
1545     clib_warning ("BUG");
1546 }
1547
1548 static void vl_api_bridge_domain_sw_if_details_t_handler (
1549     vl_api_bridge_domain_sw_if_details_t * mp)
1550 {
1551     clib_warning ("BUG");
1552 }
1553
1554 static void send_bridge_domain_details (unix_shared_memory_queue_t *q,
1555                                         l2_bridge_domain_t * bd_config,
1556                                         u32 n_sw_ifs,
1557                                         u32 context)
1558 {
1559     vl_api_bridge_domain_details_t * mp;
1560
1561     mp = vl_msg_api_alloc (sizeof (*mp));
1562     memset (mp, 0, sizeof (*mp));
1563     mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS);
1564     mp->bd_id = ntohl (bd_config->bd_id);
1565     mp->flood = bd_feature_flood (bd_config);
1566     mp->uu_flood = bd_feature_uu_flood (bd_config);
1567     mp->forward = bd_feature_forward (bd_config);
1568     mp->learn = bd_feature_learn (bd_config);
1569     mp->arp_term = bd_feature_arp_term (bd_config);
1570     mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index);
1571     mp->n_sw_ifs = ntohl (n_sw_ifs);
1572     mp->context = context;
1573
1574     vl_msg_api_send_shmem (q, (u8 *)&mp);
1575 }
1576
1577 static void send_bd_sw_if_details (l2input_main_t * l2im,
1578                                    unix_shared_memory_queue_t *q,
1579                                    l2_flood_member_t * member, u32 bd_id,
1580                                    u32 context)
1581 {
1582     vl_api_bridge_domain_sw_if_details_t * mp;
1583     l2_input_config_t * input_cfg;
1584
1585     mp = vl_msg_api_alloc (sizeof (*mp));
1586     memset (mp, 0, sizeof (*mp));
1587     mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_SW_IF_DETAILS);
1588     mp->bd_id = ntohl (bd_id);
1589     mp->sw_if_index = ntohl (member->sw_if_index);
1590     input_cfg = vec_elt_at_index (l2im->configs, member->sw_if_index);
1591     mp->shg = input_cfg->shg;
1592     mp->context = context;
1593
1594     vl_msg_api_send_shmem (q, (u8 *)&mp);
1595 }
1596
1597 static void vl_api_bridge_domain_dump_t_handler (
1598     vl_api_bridge_domain_dump_t *mp)
1599 {
1600     bd_main_t * bdm = &bd_main;
1601     l2input_main_t * l2im = &l2input_main;
1602     unix_shared_memory_queue_t * q;
1603     l2_bridge_domain_t * bd_config;
1604     u32 bd_id, bd_index;
1605     u32 end;
1606
1607     q = vl_api_client_index_to_input_queue (mp->client_index);
1608
1609     if (q == 0)
1610         return;
1611
1612     bd_id = ntohl(mp->bd_id);
1613
1614     bd_index = (bd_id == ~0) ? 0 : bd_find_or_add_bd_index (bdm, bd_id);
1615     end = (bd_id == ~0) ? vec_len (l2im->bd_configs) : bd_index + 1;
1616     for (; bd_index < end; bd_index++) {
1617         bd_config = l2input_bd_config_from_index (l2im, bd_index);
1618         /* skip dummy bd_id 0 */
1619         if (bd_config && (bd_config->bd_id > 0)) {
1620             u32 n_sw_ifs;
1621             l2_flood_member_t * m;
1622
1623             n_sw_ifs = vec_len (bd_config->members);
1624             send_bridge_domain_details (q, bd_config, n_sw_ifs, mp->context);
1625
1626             vec_foreach (m, bd_config->members) {
1627                 send_bd_sw_if_details (l2im, q, m, bd_config->bd_id, mp->context);
1628             }
1629         }
1630     }
1631 }
1632
1633 static void
1634 vl_api_l2fib_add_del_t_handler (
1635     vl_api_l2fib_add_del_t *mp)
1636 {
1637     bd_main_t * bdm = &bd_main;
1638     l2input_main_t * l2im = &l2input_main;
1639     vl_api_l2fib_add_del_reply_t * rmp;
1640     int rv = 0;
1641     u64 mac = 0;
1642     u32 sw_if_index = ntohl(mp->sw_if_index);
1643     u32 bd_id = ntohl(mp->bd_id);
1644     u32 bd_index;
1645     u32 static_mac;
1646     u32 filter_mac;
1647     u32 bvi_mac;
1648     uword * p;
1649
1650     mac = mp->mac;
1651
1652     p = hash_get (bdm->bd_index_by_bd_id, bd_id);
1653     if (!p) {
1654         rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1655         goto bad_sw_if_index;
1656     }
1657     bd_index = p[0];
1658
1659     if (mp->is_add) {
1660         VALIDATE_SW_IF_INDEX(mp);
1661         if (vec_len(l2im->configs) <= sw_if_index) {
1662             rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1663             goto bad_sw_if_index;
1664         } else {
1665             l2_input_config_t * config;
1666             config = vec_elt_at_index(l2im->configs, sw_if_index);
1667             if (config->bridge == 0) {
1668                 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1669                 goto bad_sw_if_index;
1670             }
1671         }
1672         static_mac = mp->static_mac ? 1 : 0;
1673         filter_mac = mp->filter_mac ? 1 : 0;
1674     bvi_mac = mp->bvi_mac ? 1 : 0;
1675         l2fib_add_entry(mac, bd_index, sw_if_index, static_mac, filter_mac,
1676                         bvi_mac);
1677     } else {
1678         l2fib_del_entry(mac, bd_index);
1679     }
1680
1681     BAD_SW_IF_INDEX_LABEL;
1682
1683     REPLY_MACRO(VL_API_L2FIB_ADD_DEL_REPLY);
1684 }
1685
1686 static void
1687 vl_api_l2_flags_t_handler (
1688     vl_api_l2_flags_t *mp)
1689 {
1690     vl_api_l2_flags_reply_t * rmp;
1691     int rv = 0;
1692     u32 sw_if_index = ntohl(mp->sw_if_index);
1693     u32 flags = ntohl(mp->feature_bitmap);
1694     u32 rbm = 0;
1695
1696     VALIDATE_SW_IF_INDEX(mp);
1697
1698 #define _(a,b) \
1699     if (flags & L2INPUT_FEAT_ ## a) \
1700         rbm = l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_ ## a, mp->is_set);
1701     foreach_l2input_feat;
1702 #undef _
1703
1704     BAD_SW_IF_INDEX_LABEL;
1705
1706     REPLY_MACRO2(VL_API_L2_FLAGS_REPLY, rmp->resulting_feature_bitmap = ntohl(rbm));
1707 }
1708
1709 static void
1710 vl_api_bridge_flags_t_handler (
1711     vl_api_bridge_flags_t *mp)
1712 {
1713     vlib_main_t *vm  = vlib_get_main();
1714     bd_main_t * bdm = &bd_main;
1715     vl_api_bridge_flags_reply_t * rmp;
1716     int rv = 0;
1717     u32 bd_id = ntohl(mp->bd_id);
1718     u32 bd_index;
1719     u32 flags = ntohl(mp->feature_bitmap);
1720     uword * p;
1721
1722     p = hash_get (bdm->bd_index_by_bd_id, bd_id);
1723     if (p == 0) {
1724         rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1725         goto out;
1726     }
1727
1728     bd_index = p[0];
1729
1730     bd_set_flags(vm, bd_index, flags, mp->is_set);
1731
1732 out:
1733     REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY,
1734                  rmp->resulting_feature_bitmap = ntohl(flags));
1735 }
1736
1737 static void
1738 vl_api_bd_ip_mac_add_del_t_handler (
1739     vl_api_bd_ip_mac_add_del_t *mp)
1740 {
1741     bd_main_t * bdm = &bd_main;
1742     vl_api_bd_ip_mac_add_del_reply_t * rmp;
1743     int rv = 0;
1744     u32 bd_id = ntohl(mp->bd_id);
1745     u32 bd_index;
1746     uword * p;
1747
1748     p = hash_get (bdm->bd_index_by_bd_id, bd_id);
1749     if (p == 0) {
1750         rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1751         goto out;
1752     }
1753
1754     bd_index = p[0];
1755     if (bd_add_del_ip_mac(bd_index,  mp->ip_address,
1756                           mp->mac_address, mp->is_ipv6, mp->is_add))
1757         rv = VNET_API_ERROR_UNSPECIFIED;
1758
1759 out:
1760     REPLY_MACRO(VL_API_BD_IP_MAC_ADD_DEL_REPLY);
1761 }
1762
1763 static void
1764 vl_api_tap_connect_t_handler (vl_api_tap_connect_t *mp, vlib_main_t *vm)
1765 {
1766     int rv;
1767     vl_api_tap_connect_reply_t * rmp;
1768     unix_shared_memory_queue_t * q;
1769     u32 sw_if_index = (u32)~0;
1770
1771     rv = vnet_tap_connect_renumber (vm, mp->tap_name,
1772                            mp->use_random_mac ? 0 : mp->mac_address,
1773                            &sw_if_index, mp->renumber,
1774                            ntohl(mp->custom_dev_instance));
1775
1776     q = vl_api_client_index_to_input_queue (mp->client_index);
1777     if (!q)
1778         return;
1779
1780     rmp = vl_msg_api_alloc (sizeof (*rmp));
1781     rmp->_vl_msg_id = ntohs(VL_API_TAP_CONNECT_REPLY);
1782     rmp->context = mp->context;
1783     rmp->retval = ntohl(rv);
1784     rmp->sw_if_index = ntohl(sw_if_index);
1785
1786     vl_msg_api_send_shmem (q, (u8 *)&rmp);
1787 }
1788
1789 static void
1790 vl_api_tap_modify_t_handler (vl_api_tap_modify_t *mp, vlib_main_t *vm)
1791 {
1792     int rv;
1793     vl_api_tap_modify_reply_t * rmp;
1794     unix_shared_memory_queue_t * q;
1795     u32 sw_if_index = (u32)~0;
1796
1797     rv = vnet_tap_modify (vm, ntohl(mp->sw_if_index), mp->tap_name,
1798                            mp->use_random_mac ? 0 : mp->mac_address,
1799                            &sw_if_index, mp->renumber,
1800                            ntohl(mp->custom_dev_instance));
1801
1802     q = vl_api_client_index_to_input_queue (mp->client_index);
1803     if (!q)
1804         return;
1805
1806     rmp = vl_msg_api_alloc (sizeof (*rmp));
1807     rmp->_vl_msg_id = ntohs(VL_API_TAP_MODIFY_REPLY);
1808     rmp->context = mp->context;
1809     rmp->retval = ntohl(rv);
1810     rmp->sw_if_index = ntohl(sw_if_index);
1811
1812     vl_msg_api_send_shmem (q, (u8 *)&rmp);
1813 }
1814
1815 static void
1816 vl_api_tap_delete_t_handler (vl_api_tap_delete_t *mp, vlib_main_t *vm)
1817 {
1818     int rv;
1819     vpe_api_main_t * vam = &vpe_api_main;
1820     vl_api_tap_delete_reply_t * rmp;
1821     unix_shared_memory_queue_t * q;
1822     u32 sw_if_index = ntohl(mp->sw_if_index);
1823
1824     rv = vnet_tap_delete (vm, sw_if_index);
1825
1826     q = vl_api_client_index_to_input_queue (mp->client_index);
1827     if (!q)
1828         return;
1829
1830     rmp = vl_msg_api_alloc (sizeof (*rmp));
1831     rmp->_vl_msg_id = ntohs(VL_API_TAP_DELETE_REPLY);
1832     rmp->context = mp->context;
1833     rmp->retval = ntohl(rv);
1834
1835     vl_msg_api_send_shmem (q, (u8 *)&rmp);
1836
1837     if (!rv)
1838         send_sw_interface_flags_deleted (vam, q, sw_if_index);
1839 }
1840
1841 static void
1842 vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp)
1843 {
1844     vl_api_create_vlan_subif_reply_t * rmp;
1845     vnet_main_t * vnm = vnet_get_main();
1846     u32 hw_if_index, sw_if_index = (u32)~0;
1847     vnet_hw_interface_t * hi;
1848     int rv = 0;
1849     u32 id;
1850     vnet_sw_interface_t template;
1851     uword * p;
1852     vnet_interface_main_t * im = &vnm->interface_main;
1853     u64 sup_and_sub_key;
1854     u64 * kp;
1855     unix_shared_memory_queue_t * q;
1856     clib_error_t * error;
1857
1858     VALIDATE_SW_IF_INDEX(mp);
1859
1860     hw_if_index = ntohl(mp->sw_if_index);
1861     hi = vnet_get_hw_interface (vnm, hw_if_index);
1862
1863     id = ntohl(mp->vlan_id);
1864     if (id == 0 || id > 4095) {
1865         rv = VNET_API_ERROR_INVALID_VLAN;
1866         goto out;
1867     }
1868
1869     sup_and_sub_key = ((u64)(hi->sw_if_index) << 32) | (u64) id;
1870
1871     p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1872     if (p) {
1873         rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS;
1874         goto out;
1875     }
1876
1877     kp = clib_mem_alloc (sizeof (*kp));
1878     *kp = sup_and_sub_key;
1879
1880     memset (&template, 0, sizeof (template));
1881     template.type = VNET_SW_INTERFACE_TYPE_SUB;
1882     template.sup_sw_if_index = hi->sw_if_index;
1883     template.sub.id = id;
1884     template.sub.eth.raw_flags = 0;
1885     template.sub.eth.flags.one_tag = 1;
1886     template.sub.eth.outer_vlan_id = id;
1887     template.sub.eth.flags.exact_match = 1;
1888
1889     error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1890     if (error) {
1891         clib_error_report(error);
1892         rv = VNET_API_ERROR_INVALID_REGISTRATION;
1893         goto out;
1894     }
1895     hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index);
1896     hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1897
1898     BAD_SW_IF_INDEX_LABEL;
1899
1900 out:
1901     q = vl_api_client_index_to_input_queue (mp->client_index);
1902     if (!q)
1903         return;
1904
1905     rmp = vl_msg_api_alloc (sizeof (*rmp));
1906     rmp->_vl_msg_id = ntohs(VL_API_CREATE_VLAN_SUBIF_REPLY);
1907     rmp->context = mp->context;
1908     rmp->retval = ntohl(rv);
1909     rmp->sw_if_index = ntohl(sw_if_index);
1910     vl_msg_api_send_shmem (q, (u8 *)&rmp);
1911 }
1912
1913 static void
1914 vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
1915 {
1916     vl_api_create_subif_reply_t * rmp;
1917     vnet_main_t * vnm = vnet_get_main();
1918     u32 sw_if_index = ~0;
1919     int rv = 0;
1920     u32 sub_id;
1921     vnet_sw_interface_t *si;
1922     vnet_hw_interface_t *hi;
1923     vnet_sw_interface_t template;
1924     uword * p;
1925     vnet_interface_main_t * im = &vnm->interface_main;
1926     u64 sup_and_sub_key;
1927     u64 * kp;
1928     clib_error_t * error;
1929
1930     VALIDATE_SW_IF_INDEX(mp);
1931
1932     si = vnet_get_sup_sw_interface (vnm, ntohl(mp->sw_if_index));
1933     hi = vnet_get_sup_hw_interface (vnm, ntohl(mp->sw_if_index));
1934
1935     if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE) {
1936          rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1937         goto out;
1938     }
1939
1940     sw_if_index = si->sw_if_index;
1941     sub_id = ntohl(mp->sub_id);
1942
1943     sup_and_sub_key = ((u64)(sw_if_index) << 32) | (u64) sub_id;
1944
1945     p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1946     if (p) {
1947         if (CLIB_DEBUG > 0)
1948             clib_warning ("sup sw_if_index %d, sub id %d already exists\n",
1949                           sw_if_index, sub_id);
1950         rv = VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
1951         goto out;
1952     }
1953
1954     kp = clib_mem_alloc (sizeof (*kp));
1955     *kp = sup_and_sub_key;
1956
1957     memset (&template, 0, sizeof (template));
1958     template.type = VNET_SW_INTERFACE_TYPE_SUB;
1959     template.sup_sw_if_index = sw_if_index;
1960     template.sub.id = sub_id;
1961     template.sub.eth.flags.no_tags = mp->no_tags;
1962     template.sub.eth.flags.one_tag = mp->one_tag;
1963     template.sub.eth.flags.two_tags = mp->two_tags;
1964     template.sub.eth.flags.dot1ad = mp->dot1ad;
1965     template.sub.eth.flags.exact_match = mp->exact_match;
1966     template.sub.eth.flags.default_sub = mp->default_sub;
1967     template.sub.eth.flags.outer_vlan_id_any = mp->outer_vlan_id_any;
1968     template.sub.eth.flags.inner_vlan_id_any = mp->inner_vlan_id_any;
1969     template.sub.eth.outer_vlan_id = ntohs(mp->outer_vlan_id);
1970     template.sub.eth.inner_vlan_id = ntohs(mp->inner_vlan_id);
1971
1972     error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1973     if (error) {
1974         clib_error_report (error);
1975         rv = VNET_API_ERROR_SUBIF_CREATE_FAILED;
1976         goto out;
1977     }
1978
1979     hash_set (hi->sub_interface_sw_if_index_by_id, sub_id, sw_if_index);
1980     hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1981
1982     BAD_SW_IF_INDEX_LABEL;
1983
1984 out:
1985
1986     REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY,
1987     ({
1988         rmp->sw_if_index = ntohl(sw_if_index);
1989     }));
1990 }
1991
1992 static void
1993 vl_api_mpls_gre_add_del_tunnel_t_handler (vl_api_mpls_gre_add_del_tunnel_t *mp)
1994 {
1995     vl_api_mpls_gre_add_del_tunnel_reply_t * rmp;
1996     int rv = 0;
1997     stats_main_t * sm = &stats_main;
1998     u32 tunnel_sw_if_index = ~0;
1999
2000     dslock (sm, 1 /* release hint */, 5 /* tag */);
2001
2002     rv = vnet_mpls_gre_add_del_tunnel ((ip4_address_t *)(mp->src_address),
2003                                        (ip4_address_t *)(mp->dst_address),
2004                                        (ip4_address_t *)(mp->intfc_address),
2005                                        (u32)(mp->intfc_address_length),
2006                                        ntohl(mp->inner_vrf_id),
2007                                        ntohl(mp->outer_vrf_id),
2008                                        &tunnel_sw_if_index,
2009                                        mp->l2_only,
2010                                        mp->is_add);
2011     dsunlock (sm);
2012
2013     REPLY_MACRO2(VL_API_MPLS_GRE_ADD_DEL_TUNNEL_REPLY,
2014     ({
2015         rmp->tunnel_sw_if_index = ntohl(tunnel_sw_if_index);
2016     }));
2017 }
2018
2019 static void
2020 vl_api_mpls_ethernet_add_del_tunnel_t_handler
2021 (vl_api_mpls_ethernet_add_del_tunnel_t *mp)
2022 {
2023     vl_api_mpls_ethernet_add_del_tunnel_reply_t * rmp;
2024     int rv = 0;
2025     stats_main_t * sm = &stats_main;
2026     u32 tunnel_sw_if_index;
2027
2028     dslock (sm, 1 /* release hint */, 5 /* tag */);
2029
2030     rv = vnet_mpls_ethernet_add_del_tunnel
2031         (mp->dst_mac_address, (ip4_address_t *)(mp->adj_address),
2032          (u32)(mp->adj_address_length), ntohl(mp->vrf_id),
2033          ntohl(mp->tx_sw_if_index),
2034          &tunnel_sw_if_index,
2035          mp->l2_only,
2036          mp->is_add);
2037
2038     dsunlock (sm);
2039
2040     REPLY_MACRO2(VL_API_MPLS_ETHERNET_ADD_DEL_TUNNEL_REPLY,
2041     ({
2042         rmp->tunnel_sw_if_index = ntohl(tunnel_sw_if_index);
2043     }));
2044 }
2045
2046 /*
2047  * This piece of misery brought to you because the control-plane
2048  * can't figure out the tx interface + dst-mac address all by itself
2049  */
2050 static int mpls_ethernet_add_del_tunnel_2_t_handler
2051 (vl_api_mpls_ethernet_add_del_tunnel_2_t *mp)
2052 {
2053     pending_route_t * pr;
2054     vl_api_mpls_ethernet_add_del_tunnel_2_t *pme;
2055     vnet_main_t * vnm = vnet_get_main();
2056     vlib_main_t * vm = vlib_get_main();
2057     stats_main_t * sm = &stats_main;
2058     vpe_api_main_t * vam = &vpe_api_main;
2059     u32 inner_fib_index, outer_fib_index;
2060     ip4_main_t * im = &ip4_main;
2061     ip_lookup_main_t * lm = &im->lookup_main;
2062     ip_adjacency_t * adj = 0;
2063     u32 lookup_result;
2064     u32 tx_sw_if_index;
2065     u8 * dst_mac_address;
2066     clib_error_t * e;
2067     uword * p;
2068     int rv;
2069     u32 tunnel_sw_if_index;
2070
2071     p = hash_get (im->fib_index_by_table_id, ntohl(mp->outer_vrf_id));
2072     if (!p)
2073         return VNET_API_ERROR_NO_SUCH_FIB;
2074     else
2075         outer_fib_index = p[0];
2076
2077
2078     p = hash_get (im->fib_index_by_table_id, ntohl(mp->inner_vrf_id));
2079     if (!p)
2080         return VNET_API_ERROR_NO_SUCH_INNER_FIB;
2081     else
2082         inner_fib_index = p[0];
2083
2084     if (inner_fib_index == outer_fib_index)
2085         return VNET_API_ERROR_INVALID_VALUE;
2086
2087     lookup_result = ip4_fib_lookup_with_table
2088         (im, outer_fib_index,
2089          (ip4_address_t *)mp->next_hop_ip4_address_in_outer_vrf,
2090          1 /* disable default route */);
2091
2092     adj = ip_get_adjacency (lm, lookup_result);
2093     tx_sw_if_index = adj->rewrite_header.sw_if_index;
2094
2095     if (mp->is_add && mp->resolve_if_needed) {
2096         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
2097             pool_get (vam->pending_routes, pr);
2098             pr->resolve_type = RESOLVE_MPLS_ETHERNET_ADD_DEL;
2099             pme = &pr->t;
2100             clib_memcpy (pme, mp, sizeof (*pme));
2101             /* recursion block, "just in case" */
2102             pme->resolve_if_needed = 0;
2103             pme->resolve_attempts = ntohl(mp->resolve_attempts);
2104             pme->resolve_opaque = tx_sw_if_index;
2105             vnet_register_ip4_arp_resolution_event
2106                 (vnm,
2107                  (ip4_address_t *)&(pme->next_hop_ip4_address_in_outer_vrf),
2108                  vpe_resolver_process_node.index,
2109                  RESOLUTION_EVENT, pr - vam->pending_routes);
2110
2111             vlib_process_signal_event
2112                 (vm, vpe_resolver_process_node.index,
2113                  RESOLUTION_PENDING_EVENT, 0 /* data */);
2114
2115             /* The interface may be down, etc. */
2116             e = ip4_probe_neighbor
2117                 (vm, (ip4_address_t *)&(mp->next_hop_ip4_address_in_outer_vrf),
2118                  tx_sw_if_index);
2119
2120             if (e)
2121                 clib_error_report(e);
2122
2123             return VNET_API_ERROR_IN_PROGRESS;
2124         }
2125     }
2126
2127     if (adj->lookup_next_index != IP_LOOKUP_NEXT_REWRITE)
2128         return VNET_API_ERROR_NEXT_HOP_NOT_IN_FIB;
2129
2130     dst_mac_address =
2131         vnet_rewrite_get_data_internal
2132         (&adj->rewrite_header, sizeof (adj->rewrite_data));
2133
2134     dslock (sm, 1 /* release hint */, 10 /* tag */);
2135
2136     rv = vnet_mpls_ethernet_add_del_tunnel
2137         (dst_mac_address, (ip4_address_t *)(mp->adj_address),
2138          (u32)(mp->adj_address_length), ntohl(mp->inner_vrf_id),
2139          tx_sw_if_index, &tunnel_sw_if_index, mp->l2_only, mp->is_add);
2140
2141     dsunlock (sm);
2142
2143     return rv;
2144 }
2145
2146 static void
2147 vl_api_mpls_ethernet_add_del_tunnel_2_t_handler
2148 (vl_api_mpls_ethernet_add_del_tunnel_2_t *mp)
2149 {
2150     vl_api_mpls_ethernet_add_del_tunnel_reply_t * rmp;
2151     int rv = 0;
2152
2153     rv = mpls_ethernet_add_del_tunnel_2_t_handler (mp);
2154
2155     REPLY_MACRO(VL_API_MPLS_ETHERNET_ADD_DEL_TUNNEL_2_REPLY);
2156 }
2157
2158
2159 static void
2160 vl_api_mpls_add_del_encap_t_handler (vl_api_mpls_add_del_encap_t *mp)
2161 {
2162     vl_api_mpls_add_del_encap_reply_t * rmp;
2163     int rv;
2164     static u32 * labels;
2165     int i;
2166
2167     vec_reset_length (labels);
2168
2169     for (i = 0; i < mp->nlabels; i++)
2170         vec_add1 (labels, ntohl(mp->labels[i]));
2171
2172     /* $$$$ fixme */
2173     rv = vnet_mpls_add_del_encap ((ip4_address_t *)mp->dst_address,
2174                                   ntohl(mp->vrf_id), labels,
2175                                   ~0 /* policy_tunnel_index */,
2176                                   0 /* no_dst_hash */,
2177                                   0 /* indexp */,
2178                                   mp->is_add);
2179
2180     REPLY_MACRO(VL_API_MPLS_ADD_DEL_ENCAP_REPLY);
2181 }
2182
2183 static void
2184 vl_api_mpls_add_del_decap_t_handler
2185 (vl_api_mpls_add_del_decap_t *mp)
2186 {
2187     vl_api_mpls_add_del_decap_reply_t * rmp;
2188     int rv;
2189
2190     rv = vnet_mpls_add_del_decap (ntohl(mp->rx_vrf_id), ntohl(mp->tx_vrf_id),
2191                                   ntohl(mp->label), ntohl(mp->next_index),
2192                                   mp->s_bit, mp->is_add);
2193
2194     REPLY_MACRO(VL_API_MPLS_ADD_DEL_DECAP_REPLY);
2195 }
2196
2197 static void
2198 vl_api_proxy_arp_add_del_t_handler (vl_api_proxy_arp_add_del_t *mp)
2199 {
2200     vl_api_proxy_arp_add_del_reply_t * rmp;
2201     u32 fib_index;
2202     int rv;
2203     ip4_main_t * im = &ip4_main;
2204     stats_main_t * sm = &stats_main;
2205     int vnet_proxy_arp_add_del (ip4_address_t *lo_addr,
2206                                 ip4_address_t *hi_addr,
2207                                 u32 fib_index, int is_del);
2208     uword * p;
2209
2210     dslock (sm, 1 /* release hint */, 6 /* tag */);
2211
2212     p = hash_get (im->fib_index_by_table_id, ntohl(mp->vrf_id));
2213
2214     if (! p) {
2215         rv = VNET_API_ERROR_NO_SUCH_FIB;
2216         goto out;
2217     }
2218
2219     fib_index = p[0];
2220
2221     rv = vnet_proxy_arp_add_del ((ip4_address_t *)mp->low_address,
2222                                  (ip4_address_t *)mp->hi_address,
2223                                  fib_index, mp->is_add == 0);
2224
2225 out:
2226     dsunlock (sm);
2227     REPLY_MACRO(VL_API_PROXY_ARP_ADD_DEL_REPLY);
2228 }
2229
2230 static void
2231 vl_api_proxy_arp_intfc_enable_disable_t_handler
2232 (vl_api_proxy_arp_intfc_enable_disable_t *mp)
2233 {
2234     int rv = 0;
2235     vnet_main_t * vnm = vnet_get_main();
2236     vl_api_proxy_arp_intfc_enable_disable_reply_t *rmp;
2237     vnet_sw_interface_t * si;
2238     u32 sw_if_index;
2239
2240     VALIDATE_SW_IF_INDEX(mp);
2241
2242     sw_if_index = ntohl(mp->sw_if_index);
2243
2244     if (pool_is_free_index (vnm->interface_main.sw_interfaces,
2245                             sw_if_index)) {
2246         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2247         goto out;
2248     }
2249
2250     si = vnet_get_sw_interface (vnm, sw_if_index);
2251
2252     ASSERT(si);
2253
2254     if (mp->enable_disable)
2255         si->flags |= VNET_SW_INTERFACE_FLAG_PROXY_ARP;
2256     else
2257         si->flags &= ~VNET_SW_INTERFACE_FLAG_PROXY_ARP;
2258
2259     BAD_SW_IF_INDEX_LABEL;
2260
2261     out:
2262     REPLY_MACRO(VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY);
2263 }
2264
2265 static void
2266 vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t *mp, vlib_main_t * vm)
2267 {
2268     vl_api_ip_neighbor_add_del_reply_t * rmp;
2269     vnet_main_t * vnm = vnet_get_main();
2270     u32 fib_index;
2271     int rv=0;
2272     stats_main_t * sm = &stats_main;
2273
2274     VALIDATE_SW_IF_INDEX(mp);
2275
2276     dslock (sm, 1 /* release hint */, 7 /* tag */);
2277
2278     if (mp->is_ipv6) {
2279         if (mp->is_add)
2280             rv = vnet_set_ip6_ethernet_neighbor
2281                 (vm, ntohl(mp->sw_if_index),
2282                  (ip6_address_t *)(mp->dst_address),
2283                  mp->mac_address, sizeof (mp->mac_address), mp->is_static);
2284         else
2285             rv = vnet_unset_ip6_ethernet_neighbor
2286                 (vm, ntohl(mp->sw_if_index),
2287                  (ip6_address_t *)(mp->dst_address),
2288                  mp->mac_address, sizeof(mp->mac_address));
2289     } else {
2290         ip4_main_t * im = &ip4_main;
2291         ip_lookup_main_t * lm = &im->lookup_main;
2292         ethernet_arp_ip4_over_ethernet_address_t a;
2293         u32 ai;
2294         ip_adjacency_t *nh_adj;
2295
2296         uword * p = hash_get (im->fib_index_by_table_id, ntohl(mp->vrf_id));
2297         if (! p) {
2298             rv = VNET_API_ERROR_NO_SUCH_FIB;
2299             goto out;
2300         }
2301         fib_index = p[0];
2302
2303         /*
2304          * Unfortunately, folks have a penchant for
2305          * adding interface addresses to the ARP cache, and
2306          * wondering why the forwarder eventually ASSERTs...
2307          */
2308         ai = ip4_fib_lookup_with_table
2309             (im, fib_index, (ip4_address_t *)(mp->dst_address),
2310              1 /* disable default route */);
2311
2312         if (ai != 0) {
2313             nh_adj = ip_get_adjacency (lm, ai);
2314             /* Never allow manipulation of a local adj! */
2315             if (nh_adj->lookup_next_index == IP_LOOKUP_NEXT_LOCAL) {
2316                 clib_warning("%U matches local adj",
2317                              format_ip4_address,
2318                              (ip4_address_t *)(mp->dst_address));
2319                 rv = VNET_API_ERROR_ADDRESS_MATCHES_INTERFACE_ADDRESS;
2320                 goto out;
2321             }
2322         }
2323
2324         clib_memcpy (&a.ethernet, mp->mac_address, 6);
2325         clib_memcpy (&a.ip4, mp->dst_address, 4);
2326
2327         if (mp->is_add)
2328             rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl(mp->sw_if_index),
2329                                                  fib_index, &a, mp->is_static);
2330         else
2331             rv = vnet_arp_unset_ip4_over_ethernet (vnm, ntohl(mp->sw_if_index),
2332                                                    fib_index, &a);
2333     }
2334
2335     BAD_SW_IF_INDEX_LABEL;
2336     out:
2337     dsunlock (sm);
2338     REPLY_MACRO(VL_API_IP_NEIGHBOR_ADD_DEL_REPLY);
2339 }
2340
2341 static void
2342 vl_api_is_address_reachable_t_handler (vl_api_is_address_reachable_t *mp)
2343 {
2344 #if 0
2345     vpe_main_t *rm = &vpe_main;
2346     ip4_main_t *im4 = &ip4_main;
2347     ip6_main_t *im6 = &ip6_main;
2348     ip_lookup_main_t * lm;
2349     union {
2350         ip4_address_t ip4;
2351         ip6_address_t ip6;
2352     } addr;
2353     u32 adj_index, sw_if_index;
2354     vl_api_is_address_reachable_t *rmp;
2355     ip_adjacency_t * adj;
2356     unix_shared_memory_queue_t *q;
2357
2358     q = vl_api_client_index_to_input_queue (mp->client_index);
2359     if (!q) {
2360         increment_missing_api_client_counter (rm->vlib_main);
2361         return;
2362     }
2363
2364     rmp = vl_msg_api_alloc (sizeof (*rmp));
2365     clib_memcpy (rmp, mp, sizeof (*rmp));
2366
2367     sw_if_index = mp->next_hop_sw_if_index;
2368     clib_memcpy (&addr, mp->address, sizeof (addr));
2369     if (mp->is_ipv6) {
2370         lm = &im6->lookup_main;
2371         adj_index =
2372             ip6_fib_lookup (im6, sw_if_index, &addr.ip6);
2373     } else {
2374         lm = &im4->lookup_main;
2375         adj_index =
2376             ip4_fib_lookup (im4, sw_if_index, &addr.ip4);
2377     }
2378     if (adj_index == ~0) {
2379         rmp->is_error = 1;
2380         goto send;
2381     }
2382     adj = ip_get_adjacency (lm, adj_index);
2383
2384     if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE
2385         && adj->rewrite_header.sw_if_index == sw_if_index) {
2386         rmp->is_known = 1;
2387     } else {
2388         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP
2389             && adj->rewrite_header.sw_if_index == sw_if_index) {
2390             if (mp->is_ipv6)
2391                 ip6_probe_neighbor (rm->vlib_main, &addr.ip6, sw_if_index);
2392             else
2393                 ip4_probe_neighbor (rm->vlib_main, &addr.ip4, sw_if_index);
2394         } else if (adj->lookup_next_index == IP_LOOKUP_NEXT_DROP) {
2395             rmp->is_known = 1;
2396             goto send;
2397         }
2398         rmp->is_known = 0;
2399     }
2400
2401 send:
2402     vl_msg_api_send_shmem (q, (u8 *)&rmp);
2403 #endif
2404 }
2405
2406 static void vl_api_sw_interface_details_t_handler (
2407     vl_api_sw_interface_details_t * mp)
2408 {
2409     clib_warning ("BUG");
2410 }
2411
2412 static void vl_api_sw_interface_set_flags_t_handler (
2413     vl_api_sw_interface_set_flags_t * mp)
2414 {
2415    vl_api_sw_interface_set_flags_reply_t *rmp;
2416    vnet_main_t * vnm = vnet_get_main();
2417    int rv = 0;
2418    clib_error_t * error;
2419    u16 flags;
2420
2421    VALIDATE_SW_IF_INDEX(mp);
2422
2423    flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
2424
2425    error = vnet_sw_interface_set_flags (vnm,
2426                                         ntohl(mp->sw_if_index),
2427                                         flags);
2428    if (error) {
2429        rv = -1;
2430        clib_error_report (error);
2431    }
2432
2433    BAD_SW_IF_INDEX_LABEL;
2434    REPLY_MACRO(VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
2435 }
2436
2437 static void vl_api_sw_interface_clear_stats_t_handler (
2438     vl_api_sw_interface_clear_stats_t * mp)
2439 {
2440    vl_api_sw_interface_clear_stats_reply_t *rmp;
2441
2442    vnet_main_t * vnm = vnet_get_main();
2443    vnet_interface_main_t * im = &vnm->interface_main;
2444    vlib_simple_counter_main_t * sm;
2445    vlib_combined_counter_main_t * cm;
2446    static vnet_main_t ** my_vnet_mains;
2447    int i, j, n_counters;
2448
2449    int rv = 0;
2450
2451    vec_reset_length (my_vnet_mains);
2452
2453    for (i = 0; i < vec_len (vnet_mains); i++)
2454      {
2455        if (vnet_mains[i])
2456          vec_add1 (my_vnet_mains, vnet_mains[i]);
2457      }
2458
2459    if (vec_len (vnet_mains) == 0)
2460      vec_add1 (my_vnet_mains, vnm);
2461
2462    n_counters = vec_len (im->combined_sw_if_counters);
2463
2464    for (j = 0; j < n_counters; j++)
2465      {
2466        for (i = 0; i < vec_len(my_vnet_mains); i++)
2467          {
2468            im = &my_vnet_mains[i]->interface_main;
2469            cm = im->combined_sw_if_counters + j;
2470            if (mp->sw_if_index == (u32)~0)
2471              vlib_clear_combined_counters (cm);
2472            else
2473              vlib_zero_combined_counter (cm, ntohl(mp->sw_if_index));
2474          }
2475      }
2476
2477    n_counters = vec_len (im->sw_if_counters);
2478
2479    for (j = 0; j < n_counters; j++)
2480      {
2481        for (i = 0; i < vec_len(my_vnet_mains); i++)
2482          {
2483            im = &my_vnet_mains[i]->interface_main;
2484            sm = im->sw_if_counters + j;
2485            if (mp->sw_if_index == (u32)~0)
2486              vlib_clear_simple_counters (sm);
2487            else
2488              vlib_zero_simple_counter (sm, ntohl(mp->sw_if_index));
2489          }
2490      }
2491
2492    REPLY_MACRO(VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
2493 }
2494
2495 static void send_sw_interface_details (vpe_api_main_t * am,
2496                                        unix_shared_memory_queue_t *q,
2497                                        vnet_sw_interface_t * swif,
2498                                        u8 * interface_name,
2499                                        u32 context)
2500 {
2501     vl_api_sw_interface_details_t * mp;
2502     vnet_hw_interface_t * hi;
2503
2504     hi = vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
2505
2506     mp = vl_msg_api_alloc (sizeof (*mp));
2507     memset (mp, 0, sizeof (*mp));
2508     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_DETAILS);
2509     mp->sw_if_index = ntohl(swif->sw_if_index);
2510     mp->sup_sw_if_index = ntohl(swif->sup_sw_if_index);
2511     mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
2512         1 : 0;
2513     mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
2514         1 : 0;
2515     mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
2516                        VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
2517     mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
2518                       VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
2519     mp->link_mtu = ntohs(hi->max_packet_bytes);
2520     mp->context = context;
2521
2522     strncpy ((char *) mp->interface_name,
2523              (char *) interface_name, ARRAY_LEN(mp->interface_name)-1);
2524
2525     /* Send the L2 address for ethernet physical intfcs */
2526     if (swif->sup_sw_if_index == swif->sw_if_index
2527         && hi->hw_class_index == ethernet_hw_interface_class.index) {
2528         ethernet_main_t *em = ethernet_get_main (am->vlib_main);
2529         ethernet_interface_t *ei;
2530
2531         ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
2532         ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
2533         clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
2534         mp->l2_address_length = ntohl(sizeof (ei->address));
2535     } else if (swif->sup_sw_if_index != swif->sw_if_index) {
2536         vnet_sub_interface_t *sub = &swif->sub;
2537         mp->sub_id = ntohl(sub->id);
2538         mp->sub_dot1ad = sub->eth.flags.dot1ad;
2539         mp->sub_number_of_tags = sub->eth.flags.one_tag + sub->eth.flags.two_tags*2;
2540         mp->sub_outer_vlan_id = ntohs(sub->eth.outer_vlan_id);
2541         mp->sub_inner_vlan_id = ntohs(sub->eth.inner_vlan_id);
2542         mp->sub_exact_match = sub->eth.flags.exact_match;
2543         mp->sub_default = sub->eth.flags.default_sub;
2544         mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
2545         mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
2546
2547         /* vlan tag rewrite data */
2548         u32 vtr_op = L2_VTR_DISABLED;
2549         u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
2550
2551         if (l2vtr_get(am->vlib_main, am->vnet_main, swif->sw_if_index,
2552                       &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0) {
2553             // error - default to disabled
2554             mp->vtr_op = ntohl(L2_VTR_DISABLED);
2555             clib_warning("cannot get vlan tag rewrite for sw_if_index %d",
2556                     swif->sw_if_index);
2557         } else {
2558             mp->vtr_op = ntohl(vtr_op);
2559             mp->vtr_push_dot1q = ntohl(vtr_push_dot1q);
2560             mp->vtr_tag1 = ntohl(vtr_tag1);
2561             mp->vtr_tag2 = ntohl(vtr_tag2);
2562         }
2563     }
2564
2565     vl_msg_api_send_shmem (q, (u8 *)&mp);
2566 }
2567
2568 static void send_sw_interface_flags (vpe_api_main_t * am,
2569                                      unix_shared_memory_queue_t *q,
2570                                      vnet_sw_interface_t * swif)
2571 {
2572     vl_api_sw_interface_set_flags_t *mp;
2573     vnet_main_t * vnm = am->vnet_main;
2574
2575     vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
2576                                                          swif->sw_if_index);
2577     mp = vl_msg_api_alloc (sizeof (*mp));
2578     memset (mp, 0, sizeof (*mp));
2579     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_SET_FLAGS);
2580     mp->sw_if_index = ntohl(swif->sw_if_index);
2581
2582     mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
2583         1 : 0;
2584     mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
2585         1 : 0;
2586     vl_msg_api_send_shmem (q, (u8 *)&mp);
2587 }
2588
2589 static void send_sw_interface_flags_deleted (vpe_api_main_t * am,
2590                                      unix_shared_memory_queue_t *q,
2591                                              u32 sw_if_index)
2592     __attribute__((unused));
2593
2594 static void send_sw_interface_flags_deleted (vpe_api_main_t * am,
2595                                      unix_shared_memory_queue_t *q,
2596                                      u32 sw_if_index)
2597 {
2598     vl_api_sw_interface_set_flags_t *mp;
2599
2600     mp = vl_msg_api_alloc (sizeof (*mp));
2601     memset (mp, 0, sizeof (*mp));
2602     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_SET_FLAGS);
2603     mp->sw_if_index = ntohl(sw_if_index);
2604
2605     mp->admin_up_down = 0;
2606     mp->link_up_down = 0;
2607     mp->deleted = 1;
2608     vl_msg_api_send_shmem (q, (u8 *)&mp);
2609 }
2610
2611 static void vl_api_sw_interface_dump_t_handler (
2612     vl_api_sw_interface_dump_t *mp)
2613 {
2614     vpe_api_main_t * am = &vpe_api_main;
2615     vnet_sw_interface_t * swif;
2616     vnet_interface_main_t * im = &am->vnet_main->interface_main;
2617     u8 * filter_string = 0, * name_string = 0;
2618     unix_shared_memory_queue_t * q;
2619     char * strcasestr (char *, char *); /* lnx hdr file botch */
2620
2621     q = vl_api_client_index_to_input_queue (mp->client_index);
2622
2623     if (q == 0)
2624         return;
2625
2626     if (mp->name_filter_valid) {
2627         mp->name_filter [ARRAY_LEN(mp->name_filter)-1] = 0;
2628         filter_string = format (0, "%s%c", mp->name_filter, 0);
2629     }
2630
2631     pool_foreach (swif, im->sw_interfaces,
2632     ({
2633         name_string = format (name_string, "%U%c",
2634                               format_vnet_sw_interface_name,
2635                               am->vnet_main, swif, 0);
2636
2637         if (mp->name_filter_valid == 0 ||
2638             strcasestr((char *) name_string, (char *) filter_string)) {
2639
2640             send_sw_interface_details (am, q, swif, name_string, mp->context);
2641         }
2642         _vec_len (name_string) = 0;
2643     }));
2644
2645     vec_free (name_string);
2646     vec_free (filter_string);
2647 }
2648
2649 void send_oam_event (oam_target_t * t)
2650 {
2651     vpe_api_main_t * vam = &vpe_api_main;
2652     unix_shared_memory_queue_t * q;
2653     vpe_client_registration_t *reg;
2654     vl_api_oam_event_t * mp;
2655
2656     pool_foreach(reg, vam->oam_events_registrations,
2657     ({
2658         q = vl_api_client_index_to_input_queue (reg->client_index);
2659         if (q) {
2660             mp = vl_msg_api_alloc (sizeof (*mp));
2661             mp->_vl_msg_id = ntohs (VL_API_OAM_EVENT);
2662             clib_memcpy (mp->dst_address, &t->dst_address, sizeof (mp->dst_address));
2663             mp->state = t->state;
2664             vl_msg_api_send_shmem (q, (u8 *)&mp);
2665         }
2666     }));
2667 }
2668
2669 static void
2670 vl_api_oam_add_del_t_handler (vl_api_oam_add_del_t *mp)
2671 {
2672     vl_api_oam_add_del_reply_t * rmp;
2673     int rv;
2674
2675     rv = vpe_oam_add_del_target ((ip4_address_t *)mp->src_address,
2676                                  (ip4_address_t *)mp->dst_address,
2677                                  ntohl(mp->vrf_id),
2678                                  (int)(mp->is_add));
2679
2680     REPLY_MACRO(VL_API_OAM_ADD_DEL_REPLY);
2681 }
2682
2683 static void
2684 vl_api_vnet_get_summary_stats_t_handler (
2685     vl_api_vnet_get_summary_stats_t *mp)
2686 {
2687     stats_main_t * sm = &stats_main;
2688     vnet_interface_main_t * im = sm->interface_main;
2689     vl_api_vnet_summary_stats_reply_t *rmp;
2690     vlib_combined_counter_main_t * cm;
2691     vlib_counter_t v;
2692     int i, which;
2693     u64 total_pkts[VLIB_N_RX_TX];
2694     u64 total_bytes[VLIB_N_RX_TX];
2695
2696     unix_shared_memory_queue_t * q =
2697         vl_api_client_index_to_input_queue (mp->client_index);
2698
2699     if (!q)
2700         return;
2701
2702     rmp = vl_msg_api_alloc (sizeof (*rmp));
2703     rmp->_vl_msg_id = ntohs(VL_API_VNET_SUMMARY_STATS_REPLY);
2704     rmp->context = mp->context;
2705     rmp->retval = 0;
2706
2707     memset (total_pkts, 0, sizeof (total_pkts));
2708     memset (total_bytes, 0, sizeof (total_bytes));
2709
2710     vnet_interface_counter_lock (im);
2711
2712     vec_foreach (cm, im->combined_sw_if_counters) {
2713         which = cm - im->combined_sw_if_counters;
2714
2715         for (i = 0; i < vec_len (cm->maxi); i++) {
2716             vlib_get_combined_counter (cm, i, &v);
2717             total_pkts[which] += v.packets;
2718             total_bytes[which] += v.bytes;
2719         }
2720     }
2721     vnet_interface_counter_unlock (im);
2722
2723     /* Note: in HOST byte order! */
2724     rmp->total_pkts[VLIB_RX] = total_pkts[VLIB_RX];
2725     rmp->total_bytes[VLIB_RX] = total_bytes[VLIB_RX];
2726     rmp->total_pkts[VLIB_TX] = total_pkts[VLIB_TX];
2727     rmp->total_bytes[VLIB_TX] = total_bytes[VLIB_TX];
2728     rmp->vector_rate = vlib_last_vector_length_per_node (sm->vlib_main);
2729
2730     vl_msg_api_send_shmem (q, (u8 *)&rmp);
2731 }
2732
2733 typedef CLIB_PACKED (struct {
2734   ip4_address_t address;
2735
2736   u32 address_length : 6;
2737
2738   u32 index : 26;
2739 }) ip4_route_t;
2740
2741 static int ip4_reset_fib_t_handler (vl_api_reset_fib_t *mp)
2742 {
2743     vnet_main_t * vnm = vnet_get_main();
2744     vnet_interface_main_t * im = &vnm->interface_main;
2745     ip4_main_t * im4 = &ip4_main;
2746     static ip4_route_t * routes;
2747     static u32 * sw_if_indices_to_shut;
2748     stats_main_t * sm = &stats_main;
2749     ip4_route_t * r;
2750     ip4_fib_t * fib;
2751     u32 sw_if_index;
2752     int i;
2753     int rv = VNET_API_ERROR_NO_SUCH_FIB;
2754     u32 target_fib_id = ntohl(mp->vrf_id);
2755
2756     dslock (sm, 1 /* release hint */, 8 /* tag */);
2757
2758     vec_foreach (fib, im4->fibs) {
2759         vnet_sw_interface_t * si;
2760
2761         if (fib->table_id != target_fib_id)
2762             continue;
2763
2764         /* remove any mpls/gre tunnels in this fib */
2765         vnet_mpls_gre_delete_fib_tunnels (fib->table_id);
2766
2767         /* remove any mpls encap/decap labels */
2768         mpls_fib_reset_labels (fib->table_id);
2769
2770         /* remove any proxy arps in this fib */
2771         vnet_proxy_arp_fib_reset (fib->table_id);
2772
2773         /* Set the flow hash for this fib to the default */
2774         vnet_set_ip4_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT);
2775
2776         vec_reset_length (sw_if_indices_to_shut);
2777
2778         /* Shut down interfaces in this FIB / clean out intfc routes */
2779         pool_foreach (si, im->sw_interfaces,
2780         ({
2781             u32 sw_if_index = si->sw_if_index;
2782
2783             if (sw_if_index < vec_len (im4->fib_index_by_sw_if_index)
2784                 && (im4->fib_index_by_sw_if_index[si->sw_if_index] ==
2785                     fib - im4->fibs))
2786                 vec_add1 (sw_if_indices_to_shut, si->sw_if_index);
2787         }));
2788
2789         for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) {
2790             sw_if_index = sw_if_indices_to_shut[i];
2791             // vec_foreach (sw_if_index, sw_if_indices_to_shut) {
2792
2793             u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
2794             flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
2795             vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
2796         }
2797
2798         vec_reset_length (routes);
2799
2800         for (i = 0; i < ARRAY_LEN (fib->adj_index_by_dst_address); i++) {
2801             uword * hash = fib->adj_index_by_dst_address[i];
2802             hash_pair_t * p;
2803             ip4_route_t x;
2804
2805             x.address_length = i;
2806
2807             hash_foreach_pair (p, hash,
2808             ({
2809                 x.address.data_u32 = p->key;
2810                 vec_add1 (routes, x);
2811             }));
2812         }
2813
2814         vec_foreach (r, routes) {
2815             ip4_add_del_route_args_t a;
2816
2817             memset (&a, 0, sizeof (a));
2818             a.flags = IP4_ROUTE_FLAG_FIB_INDEX | IP4_ROUTE_FLAG_DEL;
2819             a.table_index_or_table_id = fib - im4->fibs;
2820             a.dst_address = r->address;
2821             a.dst_address_length = r->address_length;
2822             a.adj_index = ~0;
2823
2824             ip4_add_del_route (im4, &a);
2825             ip4_maybe_remap_adjacencies (im4, fib - im4->fibs,
2826                                          IP4_ROUTE_FLAG_FIB_INDEX);
2827         }
2828         rv = 0;
2829         break;
2830     } /* vec_foreach (fib) */
2831
2832     dsunlock(sm);
2833     return rv;
2834 }
2835
2836 typedef struct {
2837   ip6_address_t address;
2838   u32 address_length;
2839   u32 index;
2840 } ip6_route_t;
2841
2842 typedef struct {
2843   u32 fib_index;
2844   ip6_route_t ** routep;
2845 } add_routes_in_fib_arg_t;
2846
2847 static void add_routes_in_fib (clib_bihash_kv_24_8_t * kvp, void *arg)
2848 {
2849   add_routes_in_fib_arg_t * ap = arg;
2850
2851   if (kvp->key[2]>>32 == ap->fib_index)
2852     {
2853       ip6_address_t *addr;
2854       ip6_route_t * r;
2855       addr = (ip6_address_t *) kvp;
2856       vec_add2 (*ap->routep, r, 1);
2857       r->address = addr[0];
2858       r->address_length = kvp->key[2] & 0xFF;
2859       r->index = kvp->value;
2860     }
2861 }
2862
2863 static int ip6_reset_fib_t_handler (vl_api_reset_fib_t *mp)
2864 {
2865     vnet_main_t * vnm = vnet_get_main();
2866     vnet_interface_main_t * im = &vnm->interface_main;
2867     ip6_main_t * im6 = &ip6_main;
2868     stats_main_t * sm = &stats_main;
2869     static ip6_route_t * routes;
2870     static u32 * sw_if_indices_to_shut;
2871     ip6_route_t * r;
2872     ip6_fib_t * fib;
2873     u32 sw_if_index;
2874     int i;
2875     int rv = VNET_API_ERROR_NO_SUCH_FIB;
2876     u32 target_fib_id = ntohl(mp->vrf_id);
2877     add_routes_in_fib_arg_t _a, *a=&_a;
2878     clib_bihash_24_8_t * h = &im6->ip6_lookup_table;
2879
2880     dslock (sm, 1 /* release hint */, 9 /* tag */);
2881
2882     vec_foreach (fib, im6->fibs) {
2883         vnet_sw_interface_t * si;
2884
2885         if (fib->table_id != target_fib_id)
2886             continue;
2887
2888         vec_reset_length (sw_if_indices_to_shut);
2889
2890         /* Shut down interfaces in this FIB / clean out intfc routes */
2891         pool_foreach (si, im->sw_interfaces,
2892         ({
2893             if (im6->fib_index_by_sw_if_index[si->sw_if_index] ==
2894                 fib - im6->fibs)
2895                 vec_add1 (sw_if_indices_to_shut, si->sw_if_index);
2896         }));
2897
2898         for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) {
2899             sw_if_index = sw_if_indices_to_shut[i];
2900             // vec_foreach (sw_if_index, sw_if_indices_to_shut) {
2901
2902             u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
2903             flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
2904             vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
2905         }
2906
2907         vec_reset_length (routes);
2908
2909         a->fib_index = fib - im6->fibs;
2910         a->routep = &routes;
2911
2912         clib_bihash_foreach_key_value_pair_24_8 (h, add_routes_in_fib, a);
2913
2914         vec_foreach (r, routes) {
2915             ip6_add_del_route_args_t a;
2916
2917             memset (&a, 0, sizeof (a));
2918             a.flags = IP6_ROUTE_FLAG_FIB_INDEX | IP6_ROUTE_FLAG_DEL;
2919             a.table_index_or_table_id = fib - im6->fibs;
2920             a.dst_address = r->address;
2921             a.dst_address_length = r->address_length;
2922             a.adj_index = ~0;
2923
2924             ip6_add_del_route (im6, &a);
2925             ip6_maybe_remap_adjacencies (im6, fib - im6->fibs,
2926                                          IP6_ROUTE_FLAG_FIB_INDEX);
2927         }
2928         rv = 0;
2929         /* Reinstall the neighbor / router discovery routes */
2930         vnet_ip6_fib_init (im6, fib - im6->fibs);
2931         break;
2932     } /* vec_foreach (fib) */
2933
2934     dsunlock(sm);
2935     return rv;
2936 }
2937
2938 static void vl_api_reset_fib_t_handler (vl_api_reset_fib_t *mp)
2939 {
2940     int rv;
2941     vl_api_reset_fib_reply_t * rmp;
2942
2943     if (mp->is_ipv6)
2944         rv = ip6_reset_fib_t_handler (mp);
2945     else
2946         rv = ip4_reset_fib_t_handler (mp);
2947
2948     REPLY_MACRO(VL_API_RESET_FIB_REPLY);
2949 }
2950
2951
2952 static void
2953 dhcpv4_proxy_config (vl_api_dhcp_proxy_config_t *mp)
2954 {
2955     vl_api_dhcp_proxy_config_reply_t * rmp;
2956     int rv;
2957
2958     rv = dhcp_proxy_set_server ((ip4_address_t *)(&mp->dhcp_server),
2959                                 (ip4_address_t *)(&mp->dhcp_src_address),
2960                                 (u32) ntohl(mp->vrf_id),
2961                                 (int) mp->insert_circuit_id,
2962                                 (int) (mp->is_add == 0));
2963
2964     REPLY_MACRO(VL_API_DHCP_PROXY_CONFIG_REPLY);
2965 }
2966
2967
2968 static void
2969 dhcpv6_proxy_config (vl_api_dhcp_proxy_config_t *mp)
2970 {
2971     vl_api_dhcp_proxy_config_reply_t * rmp;
2972     int rv = -1;
2973
2974     rv = dhcpv6_proxy_set_server ((ip6_address_t *)(&mp->dhcp_server),
2975                                 (ip6_address_t *)(&mp->dhcp_src_address),
2976                                 (u32) ntohl(mp->vrf_id),
2977                                 (int) mp->insert_circuit_id,
2978                                 (int) (mp->is_add == 0));
2979
2980     REPLY_MACRO(VL_API_DHCP_PROXY_CONFIG_REPLY);
2981 }
2982
2983 static void
2984 dhcpv4_proxy_config_2 (vl_api_dhcp_proxy_config_2_t *mp)
2985 {
2986     vl_api_dhcp_proxy_config_reply_t * rmp;
2987     int rv;
2988
2989     rv = dhcp_proxy_set_server_2 ((ip4_address_t *)(&mp->dhcp_server),
2990                                 (ip4_address_t *)(&mp->dhcp_src_address),
2991                                 (u32) ntohl(mp->rx_vrf_id),
2992                                 (u32) ntohl(mp->server_vrf_id),
2993                                 (int) mp->insert_circuit_id,
2994                                 (int) (mp->is_add == 0));
2995
2996     REPLY_MACRO(VL_API_DHCP_PROXY_CONFIG_2_REPLY);
2997 }
2998
2999
3000 static void
3001 dhcpv6_proxy_config_2 (vl_api_dhcp_proxy_config_2_t *mp)
3002 {
3003     vl_api_dhcp_proxy_config_reply_t * rmp;
3004     int rv = -1;
3005
3006 #if 0 // $$$$ FIXME
3007     rv = dhcpv6_proxy_set_server_2 ((ip6_address_t *)(&mp->dhcp_server),
3008                                 (ip6_address_t *)(&mp->dhcp_src_address),
3009                                 (u32) ntohl(mp->rx_vrf_id),
3010                                 (u32) ntohl(mp->server_vrf_id),
3011                                 (int) mp->insert_circuit_id,
3012                                 (int) (mp->is_add == 0));
3013 #else
3014     rv = VNET_API_ERROR_UNIMPLEMENTED;
3015 #endif
3016
3017     REPLY_MACRO(VL_API_DHCP_PROXY_CONFIG_2_REPLY);
3018 }
3019
3020
3021 static void
3022 vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t *mp)
3023 {
3024     vl_api_dhcp_proxy_set_vss_reply_t *rmp;
3025     int rv;
3026     if (!mp->is_ipv6)
3027         rv = dhcp_proxy_set_option82_vss(ntohl(mp->tbl_id),
3028                                          ntohl(mp->oui),
3029                                          ntohl(mp->fib_id),
3030                                          (int)mp->is_add == 0);
3031     else
3032          rv = dhcpv6_proxy_set_vss( ntohl(mp->tbl_id),
3033                                          ntohl(mp->oui),
3034                                          ntohl(mp->fib_id),
3035                                          (int)mp->is_add == 0);
3036
3037     REPLY_MACRO(VL_API_DHCP_PROXY_SET_VSS_REPLY);
3038 }
3039
3040
3041 static void vl_api_dhcp_proxy_config_t_handler
3042 (vl_api_dhcp_proxy_config_t *mp)
3043 {
3044     if (mp->is_ipv6 == 0)
3045         dhcpv4_proxy_config (mp);
3046     else
3047         dhcpv6_proxy_config (mp);
3048 }
3049
3050 static void vl_api_dhcp_proxy_config_2_t_handler
3051 (vl_api_dhcp_proxy_config_2_t *mp)
3052 {
3053     if (mp->is_ipv6 == 0)
3054         dhcpv4_proxy_config_2 (mp);
3055     else
3056         dhcpv6_proxy_config_2 (mp);
3057 }
3058
3059 void dhcp_compl_event_callback (u32 client_index, u32 pid, u8 * hostname,
3060        u8 is_ipv6, u8 * host_address, u8 * router_address, u8 * host_mac)
3061 {
3062     unix_shared_memory_queue_t * q;
3063     vl_api_dhcp_compl_event_t * mp;
3064
3065     q = vl_api_client_index_to_input_queue (client_index);
3066     if (!q)
3067         return;
3068
3069     mp = vl_msg_api_alloc (sizeof (*mp));
3070     mp->client_index = client_index;
3071     mp->pid = pid;
3072     mp->is_ipv6 = is_ipv6;
3073     clib_memcpy (&mp->hostname, hostname, vec_len(hostname));
3074     mp->hostname[vec_len(hostname) + 1] = '\n';
3075     clib_memcpy (&mp->host_address[0], host_address, 16);
3076     clib_memcpy (&mp->router_address[0], router_address, 16);
3077     clib_memcpy (&mp->host_mac[0], host_mac, 6);
3078
3079     mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT);
3080
3081     vl_msg_api_send_shmem (q, (u8 *)&mp);
3082 }
3083
3084 static void vl_api_dhcp_client_config_t_handler
3085 (vl_api_dhcp_client_config_t *mp)
3086 {
3087     vlib_main_t *vm = vlib_get_main();
3088     vl_api_dhcp_client_config_reply_t * rmp;
3089     int rv = 0;
3090
3091     VALIDATE_SW_IF_INDEX(mp);
3092
3093     rv = dhcp_client_config(vm, ntohl(mp->sw_if_index),
3094              mp->hostname, mp->is_add, mp->client_index,
3095              mp->want_dhcp_event ? dhcp_compl_event_callback : NULL,
3096              mp->pid);
3097
3098     BAD_SW_IF_INDEX_LABEL;
3099
3100     REPLY_MACRO(VL_API_DHCP_CLIENT_CONFIG_REPLY);
3101 }
3102
3103 static void
3104 vl_api_sw_interface_ip6nd_ra_config_t_handler
3105 (vl_api_sw_interface_ip6nd_ra_config_t *mp, vlib_main_t *vm)
3106 {
3107    vl_api_sw_interface_ip6nd_ra_config_reply_t * rmp;
3108     int rv = 0;
3109     u8  is_no,  suppress, managed, other, ll_option, send_unicast, cease, default_router;
3110
3111     is_no = mp->is_no == 1;
3112     suppress = mp->suppress == 1;
3113     managed = mp->managed == 1;
3114    other = mp->other == 1;
3115     ll_option = mp->ll_option == 1;
3116     send_unicast = mp->send_unicast == 1;
3117     cease = mp->cease == 1;
3118     default_router = mp->default_router  == 1;
3119
3120     VALIDATE_SW_IF_INDEX(mp);
3121
3122     rv = ip6_neighbor_ra_config(vm, ntohl(mp->sw_if_index),
3123                                 suppress,  managed,  other,
3124                                 ll_option,  send_unicast,  cease,
3125                                 default_router, ntohl (mp->lifetime),
3126                                 ntohl(mp->initial_count),  ntohl(mp->initial_interval),
3127                                 ntohl(mp->max_interval), ntohl( mp->min_interval),
3128                                 is_no);
3129
3130     BAD_SW_IF_INDEX_LABEL;
3131
3132     REPLY_MACRO(VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
3133 }
3134
3135 static void
3136 vl_api_sw_interface_ip6nd_ra_prefix_t_handler
3137 (vl_api_sw_interface_ip6nd_ra_prefix_t *mp, vlib_main_t *vm)
3138 {
3139    vl_api_sw_interface_ip6nd_ra_prefix_reply_t * rmp;
3140     int rv = 0;
3141     u8  is_no,  use_default,  no_advertise, off_link, no_autoconfig, no_onlink;
3142
3143     VALIDATE_SW_IF_INDEX(mp);
3144
3145     is_no = mp->is_no == 1;
3146     use_default = mp->use_default == 1;
3147     no_advertise = mp->no_advertise == 1;
3148     off_link = mp->off_link == 1;
3149     no_autoconfig = mp->no_autoconfig == 1;
3150     no_onlink = mp->no_onlink == 1;
3151
3152     rv = ip6_neighbor_ra_prefix(vm,  ntohl(mp->sw_if_index),
3153                                 (ip6_address_t *)mp->address,  mp->address_length,
3154                                 use_default,  ntohl(mp->val_lifetime), ntohl(mp->pref_lifetime),
3155                                 no_advertise,  off_link, no_autoconfig, no_onlink,
3156                                 is_no);
3157
3158     BAD_SW_IF_INDEX_LABEL;
3159     REPLY_MACRO(VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
3160 }
3161
3162 static void
3163 vl_api_sw_interface_ip6_enable_disable_t_handler
3164 (vl_api_sw_interface_ip6_enable_disable_t *mp, vlib_main_t *vm)
3165 {
3166     vl_api_sw_interface_ip6_enable_disable_reply_t * rmp;
3167     vnet_main_t * vnm = vnet_get_main();
3168     int rv = 0;
3169     clib_error_t * error;
3170
3171     vnm->api_errno = 0;
3172
3173     VALIDATE_SW_IF_INDEX(mp);
3174
3175     error = ( mp->enable == 1) ? enable_ip6_interface(vm,ntohl(mp->sw_if_index)) :
3176         disable_ip6_interface(vm,ntohl(mp->sw_if_index));
3177
3178     if (error)  {
3179         clib_error_report(error);
3180         rv = VNET_API_ERROR_UNSPECIFIED;
3181     } else {
3182         rv = vnm->api_errno;
3183     }
3184
3185     BAD_SW_IF_INDEX_LABEL;
3186
3187     REPLY_MACRO(VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
3188 }
3189
3190 static void
3191 vl_api_sw_interface_ip6_set_link_local_address_t_handler
3192 (vl_api_sw_interface_ip6_set_link_local_address_t *mp, vlib_main_t *vm)
3193 {
3194     vl_api_sw_interface_ip6_set_link_local_address_reply_t * rmp;
3195     int rv = 0;
3196     clib_error_t * error;
3197     vnet_main_t * vnm = vnet_get_main();
3198
3199     vnm->api_errno = 0;
3200
3201     VALIDATE_SW_IF_INDEX(mp);
3202
3203     error = set_ip6_link_local_address(vm,
3204                                        ntohl(mp->sw_if_index),
3205                                        (ip6_address_t *)mp->address,
3206                                        mp->address_length);
3207     if (error)  {
3208       clib_error_report(error);
3209       rv = VNET_API_ERROR_UNSPECIFIED;
3210     } else {
3211         rv = vnm->api_errno;
3212     }
3213
3214     BAD_SW_IF_INDEX_LABEL;
3215
3216     REPLY_MACRO(VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
3217 }
3218
3219 static void set_ip6_flow_hash (vl_api_set_ip_flow_hash_t *mp)
3220 {
3221     vl_api_set_ip_flow_hash_reply_t *rmp;
3222     int rv = VNET_API_ERROR_UNIMPLEMENTED;
3223
3224     clib_warning ("unimplemented...");
3225
3226     REPLY_MACRO(VL_API_SET_IP_FLOW_HASH_REPLY);
3227 }
3228
3229 static void set_ip4_flow_hash (vl_api_set_ip_flow_hash_t *mp)
3230 {
3231     vl_api_set_ip_flow_hash_reply_t *rmp;
3232     int rv;
3233     u32 table_id;
3234     u32 flow_hash_config = 0;
3235
3236     table_id = ntohl(mp->vrf_id);
3237
3238 #define _(a,b) if (mp->a) flow_hash_config |= b;
3239     foreach_flow_hash_bit;
3240 #undef _
3241
3242     rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
3243
3244     REPLY_MACRO(VL_API_SET_IP_FLOW_HASH_REPLY);
3245 }
3246
3247
3248 static void vl_api_set_ip_flow_hash_t_handler
3249 (vl_api_set_ip_flow_hash_t *mp)
3250 {
3251     if (mp->is_ipv6 == 0)
3252         set_ip4_flow_hash (mp);
3253     else
3254         set_ip6_flow_hash (mp);
3255 }
3256
3257 static void vl_api_sw_interface_set_unnumbered_t_handler
3258 (vl_api_sw_interface_set_unnumbered_t *mp)
3259 {
3260     vl_api_sw_interface_set_unnumbered_reply_t * rmp;
3261     int rv = 0;
3262     vnet_sw_interface_t * si;
3263     vnet_main_t *vnm = vnet_get_main();
3264     u32 sw_if_index, unnumbered_sw_if_index;
3265
3266     sw_if_index = ntohl(mp->sw_if_index);
3267     unnumbered_sw_if_index = ntohl(mp->unnumbered_sw_if_index);
3268
3269     /*
3270      * The API message field names are backwards from
3271      * the underlying data structure names.
3272      * It's not worth changing them now.
3273      */
3274     if (pool_is_free_index (vnm->interface_main.sw_interfaces,
3275                             unnumbered_sw_if_index)) {
3276         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
3277         goto done;
3278     }
3279
3280     /* Only check the "use loop0" field when setting the binding */
3281     if (mp->is_add &&
3282         pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index)) {
3283         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
3284         goto done;
3285     }
3286
3287     si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
3288
3289     if (mp->is_add) {
3290         si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
3291         si->unnumbered_sw_if_index = sw_if_index;
3292     } else {
3293         si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
3294         si->unnumbered_sw_if_index = (u32)~0;
3295     }
3296
3297  done:
3298     REPLY_MACRO(VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
3299 }
3300
3301 static void vl_api_create_loopback_t_handler
3302 (vl_api_create_loopback_t *mp)
3303 {
3304     vl_api_create_loopback_reply_t * rmp;
3305     u32 sw_if_index;
3306     int rv;
3307
3308     rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address);
3309
3310     REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY,
3311     ({
3312         rmp->sw_if_index = ntohl (sw_if_index);
3313     }));
3314 }
3315
3316 static void vl_api_delete_loopback_t_handler
3317 (vl_api_delete_loopback_t *mp)
3318 {
3319     vl_api_delete_loopback_reply_t * rmp;
3320     u32 sw_if_index;
3321     int rv;
3322
3323     sw_if_index = ntohl (mp->sw_if_index);
3324     rv = vnet_delete_loopback_interface (sw_if_index);
3325
3326     REPLY_MACRO(VL_API_DELETE_LOOPBACK_REPLY);
3327 }
3328
3329 static void vl_api_control_ping_t_handler
3330 (vl_api_control_ping_t *mp)
3331 {
3332     vl_api_control_ping_reply_t * rmp;
3333     int rv = 0;
3334
3335     REPLY_MACRO2(VL_API_CONTROL_PING_REPLY,
3336     ({
3337         rmp->vpe_pid = ntohl (getpid());
3338     }));
3339 }
3340
3341 static void shmem_cli_output (uword arg, u8 * buffer, uword buffer_bytes)
3342 {
3343     u8 **shmem_vecp = (u8 **)arg;
3344     u8 *shmem_vec;
3345     void *oldheap;
3346     api_main_t * am = &api_main;
3347     u32 offset;
3348
3349     shmem_vec = *shmem_vecp;
3350
3351     offset = vec_len (shmem_vec);
3352
3353     pthread_mutex_lock (&am->vlib_rp->mutex);
3354     oldheap = svm_push_data_heap (am->vlib_rp);
3355
3356     vec_validate (shmem_vec, offset + buffer_bytes - 1);
3357
3358     clib_memcpy (shmem_vec + offset, buffer, buffer_bytes);
3359
3360     svm_pop_heap (oldheap);
3361     pthread_mutex_unlock (&am->vlib_rp->mutex);
3362
3363     *shmem_vecp = shmem_vec;
3364 }
3365
3366
3367 static void vl_api_cli_request_t_handler
3368 (vl_api_cli_request_t *mp)
3369 {
3370     vl_api_cli_reply_t *rp;
3371     unix_shared_memory_queue_t *q;
3372     vlib_main_t * vm = vlib_get_main();
3373     api_main_t * am = &api_main;
3374     unformat_input_t input;
3375     u8 *shmem_vec=0;
3376     void *oldheap;
3377
3378     q = vl_api_client_index_to_input_queue (mp->client_index);
3379     if (!q)
3380         return;
3381
3382     rp = vl_msg_api_alloc (sizeof (*rp));
3383     rp->_vl_msg_id = ntohs(VL_API_CLI_REPLY);
3384     rp->context = mp->context;
3385
3386     unformat_init_vector (&input, (u8 *)(uword)mp->cmd_in_shmem);
3387
3388     vlib_cli_input (vm, &input, shmem_cli_output,
3389                     (uword)&shmem_vec);
3390
3391     pthread_mutex_lock (&am->vlib_rp->mutex);
3392     oldheap = svm_push_data_heap (am->vlib_rp);
3393
3394     vec_add1(shmem_vec, 0);
3395
3396     svm_pop_heap (oldheap);
3397     pthread_mutex_unlock (&am->vlib_rp->mutex);
3398
3399     rp->reply_in_shmem = (uword)shmem_vec;
3400
3401     vl_msg_api_send_shmem (q, (u8 *)&rp);
3402 }
3403
3404 static void vl_api_set_arp_neighbor_limit_t_handler (vl_api_set_arp_neighbor_limit_t *mp)
3405 {
3406     int rv;
3407     vl_api_set_arp_neighbor_limit_reply_t * rmp;
3408     vnet_main_t *vnm = vnet_get_main();
3409     clib_error_t * error;
3410
3411     vnm->api_errno = 0;
3412
3413     if (mp->is_ipv6)
3414         error = ip6_set_neighbor_limit (ntohl(mp->arp_neighbor_limit));
3415     else
3416         error = ip4_set_arp_limit (ntohl(mp->arp_neighbor_limit));
3417
3418     if (error)  {
3419         clib_error_report(error);
3420         rv = VNET_API_ERROR_UNSPECIFIED;
3421     } else {
3422         rv = vnm->api_errno;
3423     }
3424
3425     REPLY_MACRO(VL_API_SET_ARP_NEIGHBOR_LIMIT_REPLY);
3426 }
3427
3428 static void vl_api_sr_tunnel_add_del_t_handler
3429 (vl_api_sr_tunnel_add_del_t *mp)
3430 {
3431 #if IPV6SR == 0
3432     clib_warning ("unimplemented");
3433 #else
3434     ip6_sr_add_del_tunnel_args_t _a, *a=&_a;
3435     int rv = 0;
3436     vl_api_sr_tunnel_add_del_reply_t * rmp;
3437     ip6_address_t * segments = 0, * seg;
3438     ip6_address_t * tags = 0, *tag;
3439     ip6_address_t * this_address;
3440     int i;
3441
3442     if (mp->n_segments == 0) {
3443         rv = -11;
3444         goto out;
3445     }
3446
3447     memset (a, 0, sizeof (*a));
3448     a->src_address = (ip6_address_t *)&mp->src_address;
3449     a->dst_address = (ip6_address_t *)&mp->dst_address;
3450     a->dst_mask_width = mp->dst_mask_width;
3451     a->flags_net_byte_order = mp->flags_net_byte_order;
3452     a->is_del = (mp->is_add == 0);
3453     a->rx_table_id = ntohl(mp->outer_vrf_id);
3454     a->tx_table_id = ntohl(mp->inner_vrf_id);
3455
3456     a->name = format(0, "%s", mp->name);
3457     if (!(vec_len(a->name)))
3458       a->name = 0;
3459
3460     a->policy_name = format(0, "%s", mp->policy_name);
3461     if (!(vec_len(a->policy_name)))
3462       a->policy_name = 0;
3463
3464     /* Yank segments and tags out of the API message */
3465     this_address = (ip6_address_t *)mp->segs_and_tags;
3466     for (i = 0; i < mp->n_segments; i++) {
3467         vec_add2 (segments, seg, 1);
3468         clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
3469         this_address++;
3470     }
3471     for (i = 0; i < mp->n_tags; i++) {
3472         vec_add2 (tags, tag, 1);
3473         clib_memcpy (tag->as_u8, this_address->as_u8, sizeof (*this_address));
3474         this_address++;
3475     }
3476
3477     a->segments = segments;
3478     a->tags = tags;
3479
3480     rv = ip6_sr_add_del_tunnel (a);
3481
3482 out:
3483
3484     REPLY_MACRO(VL_API_SR_TUNNEL_ADD_DEL_REPLY);
3485 #endif
3486 }
3487
3488 static void vl_api_sr_policy_add_del_t_handler
3489 (vl_api_sr_policy_add_del_t *mp)
3490 {
3491 #if IPV6SR == 0
3492     clib_warning ("unimplemented");
3493 #else
3494     ip6_sr_add_del_policy_args_t _a, *a=&_a;
3495     int rv = 0;
3496     vl_api_sr_policy_add_del_reply_t * rmp;
3497     int i;
3498
3499     memset (a, 0, sizeof (*a));
3500     a->is_del = (mp->is_add == 0);
3501
3502     a->name = format(0, "%s", mp->name);
3503     if (!(vec_len(a->name)))
3504       {
3505         rv = VNET_API_ERROR_NO_SUCH_NODE2;
3506         goto out;
3507       }
3508
3509     if (!(mp->tunnel_names[0]))
3510       {
3511         rv = VNET_API_ERROR_NO_SUCH_NODE2;
3512         goto out;
3513       }
3514
3515     // start deserializing tunnel_names
3516     int num_tunnels = mp->tunnel_names[0]; //number of tunnels
3517     u8 * deser_tun_names = mp->tunnel_names;
3518     deser_tun_names += 1; //moving along
3519
3520     u8 * tun_name = 0;
3521     int tun_name_len = 0;
3522
3523     for (i=0; i < num_tunnels; i++)
3524       {
3525         tun_name_len= *deser_tun_names;
3526         deser_tun_names += 1;
3527         vec_resize (tun_name, tun_name_len);
3528         memcpy(tun_name, deser_tun_names, tun_name_len);
3529         vec_add1 (a->tunnel_names, tun_name);
3530         deser_tun_names += tun_name_len;
3531         tun_name = 0;
3532       }
3533
3534     rv = ip6_sr_add_del_policy (a);
3535
3536 out:
3537
3538     REPLY_MACRO(VL_API_SR_POLICY_ADD_DEL_REPLY);
3539 #endif
3540 }
3541
3542 static void vl_api_sr_multicast_map_add_del_t_handler
3543 (vl_api_sr_multicast_map_add_del_t *mp)
3544 {
3545 #if IPV6SR == 0
3546     clib_warning ("unimplemented");
3547 #else
3548     ip6_sr_add_del_multicastmap_args_t _a, *a=&_a;
3549     int rv = 0;
3550     vl_api_sr_multicast_map_add_del_reply_t * rmp;
3551
3552     memset (a, 0, sizeof (*a));
3553     a->is_del = (mp->is_add == 0);
3554
3555     a->multicast_address = (ip6_address_t *)&mp->multicast_address;
3556     a->policy_name = format(0, "%s", mp->policy_name);
3557
3558     if (a->multicast_address == 0)
3559       {
3560         rv = -1 ;
3561         goto out;
3562       }
3563
3564     if (!(a->policy_name))
3565       {
3566         rv = -2 ;
3567         goto out;
3568       }
3569
3570 #if DPDK > 0 /* Cannot call replicate without DPDK */
3571     rv = ip6_sr_add_del_multicastmap (a);
3572 #else
3573     clib_warning ("multicast replication without DPDK not implemented");
3574     rv = VNET_API_ERROR_UNIMPLEMENTED;
3575 #endif /* DPDK */
3576
3577 out:
3578
3579     REPLY_MACRO(VL_API_SR_MULTICAST_MAP_ADD_DEL_REPLY);
3580 #endif
3581 }
3582
3583 #define foreach_classify_add_del_table_field    \
3584 _(table_index)                                  \
3585 _(nbuckets)                                     \
3586 _(memory_size)                                  \
3587 _(skip_n_vectors)                               \
3588 _(match_n_vectors)                              \
3589 _(next_table_index)                             \
3590 _(miss_next_index)
3591
3592 static void vl_api_classify_add_del_table_t_handler
3593 (vl_api_classify_add_del_table_t * mp)
3594 {
3595     vl_api_classify_add_del_table_reply_t * rmp;
3596     vnet_classify_main_t * cm = &vnet_classify_main;
3597     vnet_classify_table_t * t;
3598     int rv;
3599
3600 #define _(a) u32 a;
3601     foreach_classify_add_del_table_field;
3602 #undef _
3603
3604 #define _(a) a = ntohl(mp->a);
3605     foreach_classify_add_del_table_field;
3606 #undef _
3607
3608     /* The underlying API fails silently, on purpose, so check here */
3609     if (mp->is_add == 0)
3610         if (pool_is_free_index (cm->tables, table_index)) {
3611             rv = VNET_API_ERROR_NO_SUCH_TABLE;
3612             goto out;
3613         }
3614
3615     rv = vnet_classify_add_del_table
3616         (cm, mp->mask, nbuckets, memory_size,
3617          skip_n_vectors, match_n_vectors,
3618          next_table_index, miss_next_index,
3619          &table_index, mp->is_add);
3620
3621 out:
3622     REPLY_MACRO2(VL_API_CLASSIFY_ADD_DEL_TABLE_REPLY,
3623     ({
3624         if (rv == 0 && mp->is_add) {
3625             t = pool_elt_at_index (cm->tables, table_index);
3626             rmp->skip_n_vectors = ntohl(t->skip_n_vectors);
3627             rmp->match_n_vectors = ntohl(t->match_n_vectors);
3628             rmp->new_table_index = ntohl(table_index);
3629         } else {
3630             rmp->skip_n_vectors = ~0;
3631             rmp->match_n_vectors = ~0;
3632             rmp->new_table_index = ~0;
3633         }
3634     }));
3635 }
3636
3637 static void vl_api_classify_add_del_session_t_handler
3638 (vl_api_classify_add_del_session_t * mp)
3639 {
3640     vnet_classify_main_t * cm = &vnet_classify_main;
3641     vl_api_classify_add_del_session_reply_t * rmp;
3642     int rv;
3643     u32 table_index, hit_next_index, opaque_index;
3644     i32 advance;
3645
3646     table_index = ntohl (mp->table_index);
3647     hit_next_index = ntohl (mp->hit_next_index);
3648     opaque_index = ntohl (mp->opaque_index);
3649     advance = ntohl (mp->advance);
3650
3651     rv = vnet_classify_add_del_session
3652         (cm, table_index, mp->match, hit_next_index, opaque_index,
3653          advance, mp->is_add);
3654
3655     REPLY_MACRO(VL_API_CLASSIFY_ADD_DEL_SESSION_REPLY);
3656 }
3657
3658 static void vl_api_classify_set_interface_ip_table_t_handler
3659 (vl_api_classify_set_interface_ip_table_t * mp)
3660 {
3661     vlib_main_t * vm = vlib_get_main();
3662     vl_api_classify_set_interface_ip_table_reply_t * rmp;
3663     int rv;
3664     u32 table_index, sw_if_index;
3665
3666     table_index = ntohl (mp->table_index);
3667     sw_if_index = ntohl (mp->sw_if_index);
3668
3669     VALIDATE_SW_IF_INDEX(mp);
3670
3671     if (mp->is_ipv6)
3672         rv = vnet_set_ip6_classify_intfc (vm, sw_if_index, table_index);
3673     else
3674         rv = vnet_set_ip4_classify_intfc (vm, sw_if_index, table_index);
3675
3676     BAD_SW_IF_INDEX_LABEL;
3677
3678     REPLY_MACRO(VL_API_CLASSIFY_SET_INTERFACE_IP_TABLE_REPLY);
3679 }
3680
3681 static void vl_api_classify_set_interface_l2_tables_t_handler
3682 (vl_api_classify_set_interface_l2_tables_t * mp)
3683 {
3684     vl_api_classify_set_interface_l2_tables_reply_t * rmp;
3685     int rv;
3686     u32 sw_if_index, ip4_table_index, ip6_table_index, other_table_index;
3687     int enable;
3688
3689     ip4_table_index = ntohl(mp->ip4_table_index);
3690     ip6_table_index = ntohl(mp->ip6_table_index);
3691     other_table_index = ntohl(mp->other_table_index);
3692     sw_if_index = ntohl(mp->sw_if_index);
3693
3694     VALIDATE_SW_IF_INDEX(mp);
3695
3696     rv = vnet_l2_classify_set_tables (sw_if_index, ip4_table_index,
3697                                       ip6_table_index, other_table_index);
3698
3699     if (rv == 0) {
3700         if (ip4_table_index != ~0 || ip6_table_index != ~0
3701             || other_table_index != ~0)
3702             enable = 1;
3703         else
3704             enable = 0;
3705
3706         vnet_l2_classify_enable_disable (sw_if_index, enable);
3707     }
3708
3709     BAD_SW_IF_INDEX_LABEL;
3710
3711     REPLY_MACRO(VL_API_CLASSIFY_SET_INTERFACE_L2_TABLES_REPLY);
3712 }
3713
3714 static void
3715 vl_api_l2_fib_clear_table_t_handler (vl_api_l2_fib_clear_table_t *mp)
3716 {
3717     int rv = 0;
3718     vl_api_l2_fib_clear_table_reply_t * rmp;
3719
3720     /* DAW-FIXME: This API should only clear non-static l2fib entries, but
3721      *            that is not currently implemented.  When that TODO is fixed
3722      *            this call should be changed to pass 1 instead of 0.
3723      */
3724     l2fib_clear_table (0);
3725
3726     REPLY_MACRO(VL_API_L2_FIB_CLEAR_TABLE_REPLY);
3727 }
3728
3729 extern void l2_efp_filter_configure(vnet_main_t * vnet_main,
3730                                     u32           sw_if_index,
3731                                     u32           enable);
3732
3733 static void
3734 vl_api_l2_interface_efp_filter_t_handler (vl_api_l2_interface_efp_filter_t *mp)
3735 {
3736     int rv;
3737     vl_api_l2_interface_efp_filter_reply_t * rmp;
3738     vnet_main_t *vnm = vnet_get_main();
3739
3740     // enable/disable the feature
3741     l2_efp_filter_configure (vnm, mp->sw_if_index, mp->enable_disable);
3742     rv = vnm->api_errno;
3743
3744     REPLY_MACRO(VL_API_L2_INTERFACE_EFP_FILTER_REPLY);
3745 }
3746
3747 static void
3748 vl_api_l2_interface_vlan_tag_rewrite_t_handler (vl_api_l2_interface_vlan_tag_rewrite_t *mp)
3749 {
3750     int rv = 0;
3751     vl_api_l2_interface_vlan_tag_rewrite_reply_t * rmp;
3752     vnet_main_t * vnm = vnet_get_main();
3753     vlib_main_t * vm = vlib_get_main();
3754     u32 vtr_op;
3755
3756     VALIDATE_SW_IF_INDEX(mp);
3757
3758     vtr_op = ntohl(mp->vtr_op);
3759
3760     /* The L2 code is unsuspicious */
3761     switch(vtr_op) {
3762     case L2_VTR_DISABLED:
3763     case L2_VTR_PUSH_1:
3764     case L2_VTR_PUSH_2:
3765     case L2_VTR_POP_1:
3766     case L2_VTR_POP_2:
3767     case L2_VTR_TRANSLATE_1_1:
3768     case L2_VTR_TRANSLATE_1_2:
3769     case L2_VTR_TRANSLATE_2_1:
3770     case L2_VTR_TRANSLATE_2_2:
3771         break;
3772
3773     default:
3774         rv = VNET_API_ERROR_INVALID_VALUE;
3775         goto bad_sw_if_index;
3776     }
3777
3778     rv = l2vtr_configure (vm, vnm, ntohl(mp->sw_if_index), vtr_op,
3779                           ntohl(mp->push_dot1q), ntohl(mp->tag1),
3780                           ntohl(mp->tag2));
3781
3782     BAD_SW_IF_INDEX_LABEL;
3783
3784     REPLY_MACRO(VL_API_L2_INTERFACE_VLAN_TAG_REWRITE_REPLY);
3785 }
3786
3787 static void
3788 vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t *mp)
3789 {
3790 #if DPDK > 0
3791     int rv = 0;
3792     vl_api_create_vhost_user_if_reply_t * rmp;
3793     u32 sw_if_index = (u32)~0;
3794
3795     vnet_main_t * vnm = vnet_get_main();
3796     vlib_main_t * vm = vlib_get_main();
3797
3798     rv = dpdk_vhost_user_create_if(vnm, vm, (char *)mp->sock_filename,
3799                               mp->is_server, &sw_if_index, (u64)~0,
3800                               mp->renumber, ntohl(mp->custom_dev_instance),
3801                               (mp->use_custom_mac)?mp->mac_address:NULL);
3802
3803     REPLY_MACRO2(VL_API_CREATE_VHOST_USER_IF_REPLY,
3804     ({
3805       rmp->sw_if_index = ntohl (sw_if_index);
3806     }));
3807 #endif
3808 }
3809
3810 static void
3811 vl_api_modify_vhost_user_if_t_handler (vl_api_modify_vhost_user_if_t *mp)
3812 {
3813 #if DPDK > 0
3814     int rv = 0;
3815     vl_api_modify_vhost_user_if_reply_t * rmp;
3816     u32 sw_if_index = ntohl(mp->sw_if_index);
3817
3818     vnet_main_t * vnm = vnet_get_main();
3819     vlib_main_t * vm = vlib_get_main();
3820
3821     rv = dpdk_vhost_user_modify_if(vnm, vm, (char *)mp->sock_filename,
3822                               mp->is_server, sw_if_index, (u64)~0,
3823                               mp->renumber, ntohl(mp->custom_dev_instance));
3824
3825     REPLY_MACRO(VL_API_MODIFY_VHOST_USER_IF_REPLY);
3826 #endif
3827 }
3828
3829 static void
3830 vl_api_delete_vhost_user_if_t_handler (vl_api_delete_vhost_user_if_t *mp)
3831 {
3832 #if DPDK > 0
3833     int rv = 0;
3834     vpe_api_main_t * vam = &vpe_api_main;
3835     vl_api_delete_vhost_user_if_reply_t * rmp;
3836     u32 sw_if_index = ntohl(mp->sw_if_index);
3837
3838     vnet_main_t * vnm = vnet_get_main();
3839     vlib_main_t * vm = vlib_get_main();
3840
3841     rv = dpdk_vhost_user_delete_if(vnm, vm, sw_if_index);
3842
3843     REPLY_MACRO(VL_API_DELETE_VHOST_USER_IF_REPLY);
3844     if (!rv) {
3845         unix_shared_memory_queue_t * q =
3846             vl_api_client_index_to_input_queue (mp->client_index);
3847         if (!q)
3848             return;
3849
3850         send_sw_interface_flags_deleted (vam, q, sw_if_index);
3851     }
3852 #endif
3853 }
3854
3855 static void vl_api_sw_interface_vhost_user_details_t_handler (
3856     vl_api_sw_interface_vhost_user_details_t * mp)
3857 {
3858     clib_warning ("BUG");
3859 }
3860
3861 #if DPDK > 0
3862 static void send_sw_interface_vhost_user_details (vpe_api_main_t * am,
3863                                        unix_shared_memory_queue_t *q,
3864                                        vhost_user_intf_details_t * vui,
3865                                        u32 context)
3866 {
3867     vl_api_sw_interface_vhost_user_details_t * mp;
3868
3869     mp = vl_msg_api_alloc (sizeof (*mp));
3870     memset (mp, 0, sizeof (*mp));
3871     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_VHOST_USER_DETAILS);
3872     mp->sw_if_index = ntohl(vui->sw_if_index);
3873     mp->virtio_net_hdr_sz = ntohl (vui->virtio_net_hdr_sz);
3874     mp->features = clib_net_to_host_u64 (vui->features);
3875     mp->is_server = vui->is_server;
3876     mp->num_regions = ntohl(vui->num_regions);
3877     mp->sock_errno = ntohl(vui->sock_errno);
3878     mp->context = context;
3879
3880     strncpy ((char *) mp->sock_filename,
3881              (char *) vui->sock_filename, ARRAY_LEN(mp->sock_filename)-1);
3882     strncpy ((char *) mp->interface_name,
3883              (char *) vui->if_name, ARRAY_LEN(mp->interface_name)-1);
3884
3885     vl_msg_api_send_shmem (q, (u8 *)&mp);
3886 }
3887 #endif
3888
3889 static void
3890 vl_api_sw_interface_vhost_user_dump_t_handler (
3891         vl_api_sw_interface_vhost_user_dump_t *mp)
3892 {
3893 #if DPDK > 0
3894     int rv = 0;
3895     vpe_api_main_t * am = &vpe_api_main;
3896     vnet_main_t * vnm = vnet_get_main();
3897     vlib_main_t * vm = vlib_get_main();
3898     vhost_user_intf_details_t *ifaces = NULL;
3899     vhost_user_intf_details_t *vuid = NULL;
3900     unix_shared_memory_queue_t * q;
3901
3902     q = vl_api_client_index_to_input_queue (mp->client_index);
3903     if (q == 0)
3904         return;
3905
3906     rv = dpdk_vhost_user_dump_ifs(vnm, vm, &ifaces);
3907     if (rv)
3908         return;
3909
3910     vec_foreach (vuid, ifaces) {
3911         send_sw_interface_vhost_user_details (am, q, vuid, mp->context);
3912     }
3913     vec_free(ifaces);
3914 #endif
3915 }
3916
3917 static void send_sw_if_l2tpv3_tunnel_details (vpe_api_main_t * am,
3918                                        unix_shared_memory_queue_t *q,
3919                                        l2t_session_t *s,
3920                                        l2t_main_t * lm,
3921                                        u32 context)
3922 {
3923     vl_api_sw_if_l2tpv3_tunnel_details_t * mp;
3924     u8 * if_name = NULL;
3925     vnet_sw_interface_t * si = NULL;
3926
3927     si = vnet_get_hw_sw_interface (lm->vnet_main, s->hw_if_index);
3928
3929     if_name = format(if_name, "%U",
3930                      format_vnet_sw_interface_name, lm->vnet_main, si);
3931
3932     mp = vl_msg_api_alloc (sizeof (*mp));
3933     memset (mp, 0, sizeof (*mp));
3934     mp->_vl_msg_id = ntohs(VL_API_SW_IF_L2TPV3_TUNNEL_DETAILS);
3935     strncpy((char *)mp->interface_name,
3936             (char *)if_name, ARRAY_LEN(mp->interface_name)-1);
3937     mp->sw_if_index = ntohl(si->sw_if_index);
3938     mp->local_session_id = s->local_session_id;
3939     mp->remote_session_id = s->remote_session_id;
3940     mp->local_cookie[0] = s->local_cookie[0];
3941     mp->local_cookie[1] = s->local_cookie[1];
3942     mp->remote_cookie = s->remote_cookie;
3943     clib_memcpy(mp->client_address, &s->client_address, sizeof(s->client_address));
3944     clib_memcpy(mp->our_address, &s->our_address, sizeof(s->our_address));
3945     mp->l2_sublayer_present = s->l2_sublayer_present;
3946     mp->context = context;
3947
3948     vl_msg_api_send_shmem (q, (u8 *)&mp);
3949 }
3950
3951 static void send_ip_address_details (vpe_api_main_t * am,
3952                                      unix_shared_memory_queue_t * q,
3953                                      u8 * ip,
3954                                      u16 prefix_length,
3955                                      u8 is_ipv6,
3956                                      u32 context)
3957 {
3958     vl_api_ip_address_details_t * mp;
3959
3960     mp = vl_msg_api_alloc (sizeof (*mp));
3961     memset (mp, 0, sizeof (*mp));
3962     mp->_vl_msg_id = ntohs(VL_API_IP_ADDRESS_DETAILS);
3963
3964     if (is_ipv6) {
3965         clib_memcpy(&mp->ip, ip, sizeof(mp->ip));
3966     } else {
3967         u32 * tp = (u32 *)mp->ip;
3968         *tp = ntohl(*(u32*)ip);
3969     }
3970     mp->prefix_length = prefix_length;
3971     mp->context = context;
3972
3973     vl_msg_api_send_shmem (q, (u8 *)&mp);
3974 }
3975
3976 static void
3977 vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t *mp)
3978 {
3979     vpe_api_main_t * am = &vpe_api_main;
3980     unix_shared_memory_queue_t * q;
3981     ip6_address_t * r6;
3982     ip4_address_t * r4;
3983     ip6_main_t * im6 = &ip6_main;
3984     ip4_main_t * im4 = &ip4_main;
3985     ip_lookup_main_t * lm6 = &im6->lookup_main;
3986     ip_lookup_main_t * lm4 = &im4->lookup_main;
3987     ip_interface_address_t * ia = 0;
3988     u32 sw_if_index = ~0;
3989     int rv __attribute__ ((unused)) = 0;
3990
3991     VALIDATE_SW_IF_INDEX(mp);
3992
3993     sw_if_index = ntohl(mp->sw_if_index);
3994
3995     q = vl_api_client_index_to_input_queue (mp->client_index);
3996     if (q == 0) {
3997         return;
3998     }
3999
4000     if (mp->is_ipv6) {
4001         foreach_ip_interface_address (lm6, ia, sw_if_index,
4002                                       1 /* honor unnumbered */,
4003         ({
4004             r6 = ip_interface_address_get_address (lm6, ia);
4005             u16 prefix_length = ia->address_length;
4006             send_ip_address_details(am, q, (u8*)r6, prefix_length, 1, mp->context);
4007         }));
4008     } else {
4009         foreach_ip_interface_address (lm4, ia, sw_if_index,
4010                                       1 /* honor unnumbered */,
4011         ({
4012             r4 = ip_interface_address_get_address (lm4, ia);
4013             u16 prefix_length = ia->address_length;
4014             send_ip_address_details(am, q, (u8*)r4, prefix_length, 0, mp->context);
4015         }));
4016     }
4017     BAD_SW_IF_INDEX_LABEL;
4018 }
4019
4020 static void send_ip_details (vpe_api_main_t * am,
4021                                unix_shared_memory_queue_t *q,
4022                                u32 sw_if_index,
4023                                u32 context)
4024 {
4025     vl_api_ip_details_t * mp;
4026
4027     mp = vl_msg_api_alloc (sizeof (*mp));
4028     memset (mp, 0, sizeof (*mp));
4029     mp->_vl_msg_id = ntohs(VL_API_IP_DETAILS);
4030
4031     mp->sw_if_index = ntohl(sw_if_index);
4032     mp->context = context;
4033
4034     vl_msg_api_send_shmem (q, (u8 *)&mp);
4035 }
4036
4037 static void
4038 vl_api_sw_if_l2tpv3_tunnel_dump_t_handler (
4039         vl_api_sw_if_l2tpv3_tunnel_dump_t *mp)
4040 {
4041     vpe_api_main_t * am = &vpe_api_main;
4042     l2t_main_t * lm = &l2t_main;
4043     unix_shared_memory_queue_t * q;
4044     l2t_session_t *session;
4045
4046     q = vl_api_client_index_to_input_queue (mp->client_index);
4047     if (q == 0)
4048         return;
4049
4050     pool_foreach (session, lm->sessions,
4051     ({
4052         send_sw_if_l2tpv3_tunnel_details (am, q, session, lm, mp->context);
4053     }));
4054 }
4055
4056
4057 static void send_sw_interface_tap_details (vpe_api_main_t * am,
4058                                        unix_shared_memory_queue_t *q,
4059                                        tapcli_interface_details_t *tap_if,
4060                                        u32 context)
4061 {
4062     vl_api_sw_interface_tap_details_t * mp;
4063     mp = vl_msg_api_alloc (sizeof (*mp));
4064     memset (mp, 0, sizeof (*mp));
4065     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_TAP_DETAILS);
4066     mp->sw_if_index = ntohl(tap_if->sw_if_index);
4067     strncpy((char *)mp->dev_name,
4068             (char *)tap_if->dev_name, ARRAY_LEN(mp->dev_name)-1);
4069     mp->context = context;
4070
4071     vl_msg_api_send_shmem (q, (u8 *)&mp);
4072 }
4073
4074 static void
4075 vl_api_sw_interface_tap_dump_t_handler (
4076         vl_api_sw_interface_tap_dump_t *mp)
4077 {
4078     int rv = 0;
4079     vpe_api_main_t * am = &vpe_api_main;
4080     unix_shared_memory_queue_t * q;
4081     tapcli_interface_details_t *tapifs = NULL;
4082     tapcli_interface_details_t *tap_if = NULL;
4083
4084     q = vl_api_client_index_to_input_queue (mp->client_index);
4085     if (q == 0)
4086         return;
4087
4088     rv = vnet_tap_dump_ifs(&tapifs);
4089     if (rv)
4090         return;
4091
4092     vec_foreach(tap_if, tapifs) {
4093         send_sw_interface_tap_details(am, q, tap_if, mp->context);
4094     }
4095
4096     vec_free(tapifs);
4097 }
4098
4099 static void
4100 vl_api_ip_dump_t_handler (vl_api_ip_dump_t *mp)
4101 {
4102     vpe_api_main_t * am = &vpe_api_main;
4103     vnet_main_t * vnm = vnet_get_main();
4104     vlib_main_t * vm = vlib_get_main();
4105     vnet_interface_main_t * im = &vnm->interface_main;
4106     unix_shared_memory_queue_t * q;
4107     vnet_sw_interface_t * si, * sorted_sis;
4108     u32 sw_if_index = ~0;
4109
4110     q = vl_api_client_index_to_input_queue (mp->client_index);
4111     if (q == 0) {
4112         return;
4113     }
4114
4115     /* Gather interfaces. */
4116     sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
4117     _vec_len (sorted_sis) = 0;
4118     pool_foreach (si, im->sw_interfaces, ({ vec_add1 (sorted_sis, si[0]); }));
4119
4120     vec_foreach (si, sorted_sis) {
4121         if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) {
4122             if (mp->is_ipv6 && !ip6_interface_enabled(vm, si->sw_if_index)) {
4123                 continue;
4124             }
4125             sw_if_index = si->sw_if_index;
4126             send_ip_details(am, q, sw_if_index, mp->context);
4127         }
4128     }
4129 }
4130
4131 static void vl_api_l2_fib_table_entry_t_handler (
4132     vl_api_l2_fib_table_entry_t * mp)
4133 {
4134     clib_warning ("BUG");
4135 }
4136
4137 static void send_l2fib_table_entry (vpe_api_main_t * am,
4138                                     unix_shared_memory_queue_t *q,
4139                                     l2fib_entry_key_t * l2fe_key,
4140                                     l2fib_entry_result_t * l2fe_res,
4141                                     u32 context)
4142 {
4143     vl_api_l2_fib_table_entry_t * mp;
4144
4145     mp = vl_msg_api_alloc (sizeof (*mp));
4146     memset (mp, 0, sizeof (*mp));
4147     mp->_vl_msg_id = ntohs(VL_API_L2_FIB_TABLE_ENTRY);
4148
4149     mp->bd_id = ntohl(l2input_main.bd_configs[l2fe_key->fields.bd_index].bd_id);
4150
4151     mp->mac = l2fib_make_key (l2fe_key->fields.mac, 0);
4152     mp->sw_if_index = ntohl(l2fe_res->fields.sw_if_index);
4153     mp->static_mac = l2fe_res->fields.static_mac;
4154     mp->filter_mac = l2fe_res->fields.filter;
4155     mp->bvi_mac = l2fe_res->fields.bvi;
4156     mp->context = context;
4157
4158     vl_msg_api_send_shmem (q, (u8 *)&mp);
4159 }
4160
4161 static void
4162 vl_api_l2_fib_table_dump_t_handler (vl_api_l2_fib_table_dump_t *mp)
4163 {
4164     vpe_api_main_t * am = &vpe_api_main;
4165     bd_main_t * bdm = &bd_main;
4166     l2fib_entry_key_t *l2fe_key = NULL;
4167     l2fib_entry_result_t *l2fe_res = NULL;
4168     u32 ni, bd_id = ntohl (mp->bd_id);
4169     u32 bd_index;
4170     unix_shared_memory_queue_t * q;
4171     uword * p;
4172
4173     q = vl_api_client_index_to_input_queue (mp->client_index);
4174     if (q == 0)
4175         return;
4176
4177     /* see l2fib_table_dump: ~0 means "any" */
4178     if (bd_id == ~0)
4179         bd_index = ~0;
4180     else {
4181         p = hash_get (bdm->bd_index_by_bd_id, bd_id);
4182         if (p == 0)
4183             return;
4184
4185         bd_index = p[0];
4186     }
4187
4188     l2fib_table_dump (bd_index, &l2fe_key, &l2fe_res);
4189
4190     vec_foreach_index (ni, l2fe_key) {
4191         send_l2fib_table_entry (am, q, vec_elt_at_index(l2fe_key, ni),
4192                                 vec_elt_at_index(l2fe_res, ni), mp->context);
4193     }
4194     vec_free(l2fe_key);
4195     vec_free(l2fe_res);
4196 }
4197
4198 static void
4199 vl_api_show_version_t_handler (vl_api_show_version_t *mp)
4200 {
4201     vl_api_show_version_reply_t *rmp;
4202     int rv = 0;
4203     char * vpe_api_get_build_directory(void);
4204     char * vpe_api_get_version(void);
4205     char * vpe_api_get_build_date(void);
4206
4207     unix_shared_memory_queue_t * q =
4208         vl_api_client_index_to_input_queue (mp->client_index);
4209
4210     if (!q)
4211         return;
4212
4213     REPLY_MACRO2(VL_API_SHOW_VERSION_REPLY,
4214     ({
4215         strncpy ((char *) rmp->program, "vpe", ARRAY_LEN(rmp->program)-1);
4216         strncpy ((char *) rmp->build_directory, vpe_api_get_build_directory(),
4217                  ARRAY_LEN(rmp->build_directory)-1);
4218         strncpy ((char *) rmp->version, vpe_api_get_version(),
4219                  ARRAY_LEN(rmp->version)-1);
4220         strncpy ((char *) rmp->build_date, vpe_api_get_build_date(),
4221                  ARRAY_LEN(rmp->build_date)-1);
4222     }));
4223 }
4224
4225 static void vl_api_get_node_index_t_handler
4226 (vl_api_get_node_index_t * mp)
4227 {
4228     vlib_main_t * vm = vlib_get_main();
4229     vl_api_get_node_index_reply_t * rmp;
4230     vlib_node_t * n;
4231     int rv = 0;
4232     u32 node_index = ~0;
4233
4234     n = vlib_get_node_by_name (vm, mp->node_name);
4235
4236     if (n == 0)
4237         rv = VNET_API_ERROR_NO_SUCH_NODE;
4238     else
4239         node_index = n->index;
4240
4241     REPLY_MACRO2(VL_API_GET_NODE_INDEX_REPLY,
4242     ({
4243         rmp->node_index = ntohl(node_index);
4244     }))
4245 }
4246
4247 static void vl_api_get_next_index_t_handler
4248 (vl_api_get_next_index_t * mp)
4249 {
4250     vlib_main_t * vm = vlib_get_main();
4251     vl_api_get_next_index_reply_t * rmp;
4252     vlib_node_t * node, * next_node;
4253     int rv = 0;
4254     u32 next_node_index = ~0, next_index = ~0;
4255     uword * p;
4256
4257     node = vlib_get_node_by_name (vm, mp->node_name);
4258
4259     if (node == 0) {
4260         rv = VNET_API_ERROR_NO_SUCH_NODE;
4261         goto out;
4262     }
4263
4264     next_node = vlib_get_node_by_name (vm, mp->next_name);
4265
4266     if (next_node == 0) {
4267         rv = VNET_API_ERROR_NO_SUCH_NODE2;
4268         goto out;
4269     }
4270     else
4271         next_node_index = next_node->index;
4272
4273     p = hash_get (node->next_slot_by_node, next_node_index);
4274
4275     if (p == 0) {
4276         rv = VNET_API_ERROR_NO_SUCH_ENTRY;
4277         goto out;
4278     }
4279     else
4280         next_index = p[0];
4281
4282  out:
4283     REPLY_MACRO2(VL_API_GET_NEXT_INDEX_REPLY,
4284     ({
4285         rmp->next_index = ntohl(next_index);
4286     }));
4287 }
4288
4289 static void vl_api_add_node_next_t_handler
4290 (vl_api_add_node_next_t * mp)
4291 {
4292     vlib_main_t * vm = vlib_get_main();
4293     vl_api_add_node_next_reply_t * rmp;
4294     vlib_node_t * n, * next;
4295     int rv = 0;
4296     u32 next_index = ~0;
4297
4298     n = vlib_get_node_by_name (vm, mp->node_name);
4299
4300     if (n == 0) {
4301         rv = VNET_API_ERROR_NO_SUCH_NODE;
4302         goto out;
4303     }
4304
4305     next = vlib_get_node_by_name (vm, mp->next_name);
4306
4307     if (next == 0)
4308         rv = VNET_API_ERROR_NO_SUCH_NODE2;
4309     else
4310         next_index = vlib_node_add_next (vm, n->index, next->index);
4311
4312 out:
4313     REPLY_MACRO2(VL_API_GET_NODE_INDEX_REPLY,
4314     ({
4315         rmp->next_index = ntohl(next_index);
4316     }))
4317 }
4318
4319 static void vl_api_l2tpv3_create_tunnel_t_handler
4320 (vl_api_l2tpv3_create_tunnel_t *mp)
4321 {
4322     vl_api_l2tpv3_create_tunnel_reply_t * rmp;
4323     l2t_main_t *lm = &l2t_main;
4324     u32 sw_if_index = (u32)~0;
4325     int rv;
4326
4327     if (mp->is_ipv6 != 1) {
4328         rv = VNET_API_ERROR_UNIMPLEMENTED;
4329         goto out;
4330     }
4331
4332     u32 encap_fib_index;
4333
4334     if (mp->encap_vrf_id != ~0) {
4335         uword *p;
4336         ip6_main_t *im = &ip6_main;
4337         if (!(p = hash_get (im->fib_index_by_table_id, ntohl(mp->encap_vrf_id)))) {
4338             rv = VNET_API_ERROR_NO_SUCH_FIB;
4339             goto out;
4340         }
4341         encap_fib_index = p[0];
4342     } else {
4343         encap_fib_index = ~0;
4344     }
4345
4346     rv = create_l2tpv3_ipv6_tunnel (lm,
4347                                (ip6_address_t *) mp->client_address,
4348                                (ip6_address_t *) mp->our_address,
4349                                ntohl(mp->local_session_id),
4350                                ntohl(mp->remote_session_id),
4351                                clib_net_to_host_u64(mp->local_cookie),
4352                                clib_net_to_host_u64(mp->remote_cookie),
4353                                mp->l2_sublayer_present,
4354                                encap_fib_index,
4355                                &sw_if_index);
4356
4357 out:
4358     REPLY_MACRO2(VL_API_L2TPV3_CREATE_TUNNEL_REPLY,
4359     ({
4360         rmp->sw_if_index = ntohl (sw_if_index);
4361     }))
4362 }
4363
4364 static void vl_api_l2tpv3_set_tunnel_cookies_t_handler
4365 (vl_api_l2tpv3_set_tunnel_cookies_t *mp)
4366 {
4367     vl_api_l2tpv3_set_tunnel_cookies_reply_t * rmp;
4368     l2t_main_t *lm = &l2t_main;
4369     int rv;
4370
4371     VALIDATE_SW_IF_INDEX(mp);
4372
4373     rv = l2tpv3_set_tunnel_cookies (lm, ntohl(mp->sw_if_index),
4374                                   clib_net_to_host_u64(mp->new_local_cookie),
4375                                   clib_net_to_host_u64(mp->new_remote_cookie));
4376
4377     BAD_SW_IF_INDEX_LABEL;
4378
4379     REPLY_MACRO (VL_API_L2TPV3_SET_TUNNEL_COOKIES_REPLY);
4380 }
4381
4382 static void vl_api_l2tpv3_interface_enable_disable_t_handler
4383 (vl_api_l2tpv3_interface_enable_disable_t * mp)
4384 {
4385     int rv;
4386     vnet_main_t * vnm = vnet_get_main();
4387     vl_api_l2tpv3_interface_enable_disable_reply_t * rmp;
4388
4389     VALIDATE_SW_IF_INDEX(mp);
4390
4391     rv = l2tpv3_interface_enable_disable
4392         (vnm, ntohl(mp->sw_if_index), mp->enable_disable);
4393
4394     BAD_SW_IF_INDEX_LABEL;
4395
4396     REPLY_MACRO (VL_API_L2TPV3_INTERFACE_ENABLE_DISABLE_REPLY);
4397 }
4398
4399 static void vl_api_l2tpv3_set_lookup_key_t_handler
4400 (vl_api_l2tpv3_set_lookup_key_t * mp)
4401 {
4402     int rv = 0;
4403     l2t_main_t *lm = &l2t_main;
4404     vl_api_l2tpv3_set_lookup_key_reply_t * rmp;
4405
4406     if (mp->key > L2T_LOOKUP_SESSION_ID) {
4407         rv = VNET_API_ERROR_INVALID_VALUE;
4408         goto out;
4409     }
4410
4411     lm->lookup_type = mp->key;
4412
4413 out:
4414     REPLY_MACRO (VL_API_L2TPV3_SET_LOOKUP_KEY_REPLY);
4415 }
4416
4417 static void vl_api_vxlan_add_del_tunnel_t_handler
4418 (vl_api_vxlan_add_del_tunnel_t * mp)
4419 {
4420     vl_api_vxlan_add_del_tunnel_reply_t * rmp;
4421     int rv = 0;
4422     vnet_vxlan_add_del_tunnel_args_t _a, *a = &_a;
4423     u32 encap_fib_index;
4424     uword * p;
4425     ip4_main_t * im = &ip4_main;
4426     u32 sw_if_index = ~0;
4427
4428     p = hash_get (im->fib_index_by_table_id, ntohl(mp->encap_vrf_id));
4429     if (! p) {
4430         rv = VNET_API_ERROR_NO_SUCH_FIB;
4431         goto out;
4432     }
4433     encap_fib_index = p[0];
4434
4435     /* Check src & dst are different */
4436     if ((mp->is_ipv6 && memcmp(mp->src_address, mp->dst_address, 16) == 0) ||
4437        (!mp->is_ipv6 && memcmp(mp->src_address, mp->dst_address, 4) == 0)) {
4438         rv = VNET_API_ERROR_SAME_SRC_DST;
4439         goto out;
4440     }
4441     memset (a, 0, sizeof (*a));
4442
4443     a->is_add = mp->is_add;
4444     a->is_ip6 = mp->is_ipv6;
4445
4446     /* ip addresses sent in network byte order */
4447     if (a->is_ip6) {
4448         memcpy(&(a->src.ip6), mp->src_address, 16);
4449         memcpy(&(a->dst.ip6), mp->dst_address, 16);
4450     } else {
4451         memcpy(&(a->src.ip4), mp->src_address, 4);
4452         memcpy(&(a->dst.ip4), mp->dst_address, 4);
4453     }
4454
4455     a->encap_fib_index = encap_fib_index;
4456     a->decap_next_index = ntohl(mp->decap_next_index);
4457     a->vni = ntohl(mp->vni);
4458     rv = vnet_vxlan_add_del_tunnel (a, &sw_if_index);
4459
4460 out:
4461     REPLY_MACRO2(VL_API_VXLAN_ADD_DEL_TUNNEL_REPLY,
4462     ({
4463         rmp->sw_if_index = ntohl (sw_if_index);
4464     }));
4465 }
4466
4467 static void send_vxlan_tunnel_details
4468 (vxlan_tunnel_t * t, unix_shared_memory_queue_t * q, u32 context)
4469 {
4470     vl_api_vxlan_tunnel_details_t * rmp;
4471     ip4_main_t * im4 = &ip4_main;
4472     ip6_main_t * im6 = &ip6_main;
4473     u8 is_ipv6 = !(t->flags & VXLAN_TUNNEL_IS_IPV4);
4474
4475     rmp = vl_msg_api_alloc (sizeof (*rmp));
4476     memset (rmp, 0, sizeof (*rmp));
4477     rmp->_vl_msg_id = ntohs(VL_API_VXLAN_TUNNEL_DETAILS);
4478     if (is_ipv6) {
4479         memcpy(rmp->src_address, &(t->src.ip6), 16);
4480         memcpy(rmp->dst_address, &(t->dst.ip6), 16);
4481         rmp->encap_vrf_id = htonl(im6->fibs[t->encap_fib_index].table_id);
4482     } else {
4483         memcpy(rmp->src_address, &(t->src.ip4), 4);
4484         memcpy(rmp->dst_address, &(t->dst.ip4), 4);
4485         rmp->encap_vrf_id = htonl(im4->fibs[t->encap_fib_index].table_id);
4486     }
4487     rmp->vni = htonl(t->vni);
4488     rmp->decap_next_index = htonl(t->decap_next_index);
4489     rmp->sw_if_index = htonl(t->sw_if_index);
4490     rmp->is_ipv6 = is_ipv6;
4491     rmp->context = context;
4492
4493     vl_msg_api_send_shmem (q, (u8 *)&rmp);
4494 }
4495
4496 static void vl_api_vxlan_tunnel_dump_t_handler
4497 (vl_api_vxlan_tunnel_dump_t * mp)
4498 {
4499     unix_shared_memory_queue_t * q;
4500     vxlan_main_t * vxm = &vxlan_main;
4501     vxlan_tunnel_t * t;
4502     u32 sw_if_index;
4503
4504     q = vl_api_client_index_to_input_queue (mp->client_index);
4505     if (q == 0) {
4506         return;
4507     }
4508
4509     sw_if_index = ntohl(mp->sw_if_index);
4510
4511     if (~0 == sw_if_index) {
4512         pool_foreach (t, vxm->tunnels,
4513         ({
4514             send_vxlan_tunnel_details(t, q, mp->context);
4515         }));
4516     } else {
4517         if ((sw_if_index >= vec_len(vxm->tunnel_index_by_sw_if_index)) ||
4518                 (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index])) {
4519             return;
4520         }
4521         t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]];
4522         send_vxlan_tunnel_details(t, q, mp->context);
4523     }
4524 }
4525
4526 static void vl_api_gre_add_del_tunnel_t_handler
4527 (vl_api_gre_add_del_tunnel_t * mp)
4528 {
4529     vl_api_gre_add_del_tunnel_reply_t * rmp;
4530     int rv = 0;
4531     vnet_gre_add_del_tunnel_args_t _a, *a = &_a;
4532     u32 outer_table_id;
4533     uword * p;
4534     ip4_main_t * im = &ip4_main;
4535     u32 sw_if_index = ~0;
4536
4537     p = hash_get (im->fib_index_by_table_id, ntohl(mp->outer_table_id));
4538     if (! p) {
4539         rv = VNET_API_ERROR_NO_SUCH_FIB;
4540         goto out;
4541     }
4542     outer_table_id = p[0];
4543
4544     /* Check src & dst are different */
4545     if (memcmp(&mp->src_address, &mp->dst_address, 4) == 0) {
4546         rv = VNET_API_ERROR_SAME_SRC_DST;
4547         goto out;
4548     }
4549
4550     memset (a, 0, sizeof (*a));
4551
4552     a->is_add = mp->is_add;
4553
4554     /* ip addresses sent in network byte order */
4555     a->src.as_u32 = mp->src_address;
4556     a->dst.as_u32 = mp->dst_address;
4557
4558     a->outer_table_id = outer_table_id;
4559     rv = vnet_gre_add_del_tunnel (a, &sw_if_index);
4560
4561 out:
4562     REPLY_MACRO2(VL_API_GRE_ADD_DEL_TUNNEL_REPLY,
4563     ({
4564         rmp->sw_if_index = ntohl (sw_if_index);
4565     }));
4566 }
4567
4568 static void send_gre_tunnel_details
4569 (gre_tunnel_t * t, unix_shared_memory_queue_t * q, u32 context)
4570 {
4571     vl_api_gre_tunnel_details_t * rmp;
4572     ip4_main_t * im = &ip4_main;
4573
4574     rmp = vl_msg_api_alloc (sizeof (*rmp));
4575     memset (rmp, 0, sizeof (*rmp));
4576     rmp->_vl_msg_id = ntohs(VL_API_GRE_TUNNEL_DETAILS);
4577     rmp->src_address = t->tunnel_src.data_u32;
4578     rmp->dst_address = t->tunnel_dst.data_u32;
4579     rmp->outer_table_id = htonl(im->fibs[t->outer_fib_index].table_id);
4580     rmp->sw_if_index = htonl(t->sw_if_index);
4581     rmp->context = context;
4582
4583     vl_msg_api_send_shmem (q, (u8 *)&rmp);
4584 }
4585
4586 static void vl_api_gre_tunnel_dump_t_handler
4587 (vl_api_gre_tunnel_dump_t * mp)
4588 {
4589     unix_shared_memory_queue_t * q;
4590     gre_main_t * gm = &gre_main;
4591     gre_tunnel_t * t;
4592     u32 sw_if_index;
4593
4594     q = vl_api_client_index_to_input_queue (mp->client_index);
4595     if (q == 0) {
4596         return;
4597     }
4598
4599     sw_if_index = ntohl(mp->sw_if_index);
4600
4601     if (~0 == sw_if_index) {
4602         pool_foreach (t, gm->tunnels,
4603         ({
4604             send_gre_tunnel_details(t, q, mp->context);
4605         }));
4606     } else {
4607         if ((sw_if_index >= vec_len(gm->tunnel_index_by_sw_if_index)) ||
4608                 (~0 == gm->tunnel_index_by_sw_if_index[sw_if_index])) {
4609             return;
4610         }
4611         t = &gm->tunnels[gm->tunnel_index_by_sw_if_index[sw_if_index]];
4612         send_gre_tunnel_details(t, q, mp->context);
4613     }
4614 }
4615
4616 static void
4617 vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t *mp)
4618 {
4619     extern int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
4620                                       int is_add);
4621     vl_api_l2_patch_add_del_reply_t * rmp;
4622     int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
4623                                int is_add);
4624     int rv = 0;
4625
4626     VALIDATE_RX_SW_IF_INDEX(mp);
4627     VALIDATE_TX_SW_IF_INDEX(mp);
4628
4629     rv = vnet_l2_patch_add_del (ntohl(mp->rx_sw_if_index),
4630                                 ntohl(mp->tx_sw_if_index),
4631                                 (int)(mp->is_add != 0));
4632
4633     BAD_RX_SW_IF_INDEX_LABEL;
4634     BAD_TX_SW_IF_INDEX_LABEL;
4635
4636     REPLY_MACRO(VL_API_L2_PATCH_ADD_DEL_REPLY);
4637 }
4638
4639 static void
4640 vl_api_vxlan_gpe_add_del_tunnel_t_handler
4641 (vl_api_vxlan_gpe_add_del_tunnel_t * mp)
4642 {
4643     vl_api_vxlan_gpe_add_del_tunnel_reply_t * rmp;
4644     int rv = 0;
4645     vnet_vxlan_gpe_add_del_tunnel_args_t _a, *a = &_a;
4646     u32 encap_fib_index, decap_fib_index;
4647     u8 protocol;
4648     uword * p;
4649     ip4_main_t * im = &ip4_main;
4650     u32 sw_if_index = ~0;
4651
4652
4653     p = hash_get (im->fib_index_by_table_id, ntohl(mp->encap_vrf_id));
4654     if (! p) {
4655         rv = VNET_API_ERROR_NO_SUCH_FIB;
4656         goto out;
4657     }
4658     encap_fib_index = p[0];
4659
4660     protocol = mp->protocol;
4661
4662     /* Interpret decap_vrf_id as an opaque if sending to other-than-ip4-input */
4663     if (protocol == VXLAN_GPE_INPUT_NEXT_IP4_INPUT) {
4664         p = hash_get (im->fib_index_by_table_id, ntohl(mp->decap_vrf_id));
4665         if (! p) {
4666             rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
4667             goto out;
4668         }
4669         decap_fib_index = p[0];
4670     } else {
4671         decap_fib_index = ntohl(mp->decap_vrf_id);
4672     }
4673
4674     /* Check src & dst are different */
4675     if ((mp->is_ipv6 && memcmp(mp->local, mp->remote, 16) == 0) ||
4676        (!mp->is_ipv6 && memcmp(mp->local, mp->remote, 4) == 0)) {
4677         rv = VNET_API_ERROR_SAME_SRC_DST;
4678         goto out;
4679     }
4680     memset (a, 0, sizeof (*a));
4681
4682     a->is_add = mp->is_add;
4683     a->is_ip6 = mp->is_ipv6;
4684     /* ip addresses sent in network byte order */
4685     if (a->is_ip6) {
4686       clib_memcpy(&(a->local.ip6), mp->local, 16);
4687       clib_memcpy(&(a->remote.ip6), mp->remote, 16);
4688     } else {
4689       clib_memcpy(&(a->local.ip4), mp->local, 4);
4690       clib_memcpy(&(a->remote.ip4), mp->remote, 4);
4691     }
4692     a->encap_fib_index = encap_fib_index;
4693     a->decap_fib_index = decap_fib_index;
4694     a->protocol = protocol;
4695     a->vni = ntohl(mp->vni);
4696     rv = vnet_vxlan_gpe_add_del_tunnel (a, &sw_if_index);
4697
4698 out:
4699     REPLY_MACRO2(VL_API_VXLAN_GPE_ADD_DEL_TUNNEL_REPLY,
4700     ({
4701         rmp->sw_if_index = ntohl (sw_if_index);
4702     }));
4703 }
4704
4705 static void send_vxlan_gpe_tunnel_details
4706 (vxlan_gpe_tunnel_t * t, unix_shared_memory_queue_t * q, u32 context)
4707 {
4708     vl_api_vxlan_gpe_tunnel_details_t * rmp;
4709     ip4_main_t * im4 = &ip4_main;
4710     ip6_main_t * im6 = &ip6_main;
4711     u8 is_ipv6 = !(t->flags & VXLAN_GPE_TUNNEL_IS_IPV4);
4712
4713     rmp = vl_msg_api_alloc (sizeof (*rmp));
4714     memset (rmp, 0, sizeof (*rmp));
4715     rmp->_vl_msg_id = ntohs(VL_API_VXLAN_GPE_TUNNEL_DETAILS);
4716     if (is_ipv6) {
4717         memcpy(rmp->local, &(t->local.ip6), 16);
4718         memcpy(rmp->remote, &(t->remote.ip6), 16);
4719         rmp->encap_vrf_id = htonl(im6->fibs[t->encap_fib_index].table_id);
4720         rmp->decap_vrf_id = htonl(im6->fibs[t->decap_fib_index].table_id);
4721     } else {
4722         memcpy(rmp->local, &(t->local.ip4), 4);
4723         memcpy(rmp->remote, &(t->remote.ip4), 4);
4724         rmp->encap_vrf_id = htonl(im4->fibs[t->encap_fib_index].table_id);
4725         rmp->decap_vrf_id = htonl(im4->fibs[t->decap_fib_index].table_id);
4726     }
4727     rmp->vni = htonl(t->vni);
4728     rmp->protocol = t->protocol;
4729     rmp->sw_if_index = htonl(t->sw_if_index);
4730     rmp->is_ipv6 = is_ipv6;
4731     rmp->context = context;
4732
4733     vl_msg_api_send_shmem (q, (u8 *)&rmp);
4734 }
4735
4736 static void vl_api_vxlan_gpe_tunnel_dump_t_handler
4737 (vl_api_vxlan_gpe_tunnel_dump_t * mp)
4738 {
4739     unix_shared_memory_queue_t * q;
4740     vxlan_gpe_main_t * vgm = &vxlan_gpe_main;
4741     vxlan_gpe_tunnel_t * t;
4742     u32 sw_if_index;
4743
4744     q = vl_api_client_index_to_input_queue (mp->client_index);
4745     if (q == 0) {
4746         return;
4747     }
4748
4749     sw_if_index = ntohl(mp->sw_if_index);
4750
4751     if (~0 == sw_if_index) {
4752         pool_foreach (t, vgm->tunnels,
4753         ({
4754             send_vxlan_gpe_tunnel_details(t, q, mp->context);
4755         }));
4756     } else {
4757         if ((sw_if_index >= vec_len(vgm->tunnel_index_by_sw_if_index)) ||
4758                 (~0 == vgm->tunnel_index_by_sw_if_index[sw_if_index])) {
4759             return;
4760         }
4761         t = &vgm->tunnels[vgm->tunnel_index_by_sw_if_index[sw_if_index]];
4762         send_vxlan_gpe_tunnel_details(t, q, mp->context);
4763     }
4764 }
4765
4766 static void
4767 vl_api_lisp_add_del_locator_set_t_handler(vl_api_lisp_add_del_locator_set_t *mp)
4768 {
4769     vl_api_lisp_add_del_locator_set_reply_t *rmp;
4770     int rv = 0;
4771     vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
4772     u32 ls_index = ~0;
4773     u8 *locator_name = NULL;
4774
4775     memset(a, 0, sizeof(a[0]));
4776
4777     locator_name = format(0, "%s", mp->locator_set_name);
4778
4779     a->name = locator_name;
4780     a->locators = NULL;
4781     a->is_add = mp->is_add;
4782     a->local = 1;
4783
4784     rv = vnet_lisp_add_del_locator_set(a, &ls_index);
4785
4786     vec_free(locator_name);
4787
4788     REPLY_MACRO(VL_API_LISP_ADD_DEL_LOCATOR_SET_REPLY);
4789 }
4790
4791 static void
4792 vl_api_lisp_add_del_locator_t_handler(
4793     vl_api_lisp_add_del_locator_t *mp)
4794 {
4795     vl_api_lisp_add_del_locator_reply_t *rmp;
4796     int rv = 0;
4797     locator_t locator, *locators = NULL;
4798     vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
4799     u32 ls_index = ~0;
4800     u8 *locator_name = NULL;
4801
4802     memset(&locator, 0, sizeof(locator));
4803     memset(a, 0, sizeof(a[0]));
4804
4805     locator.sw_if_index = ntohl(mp->sw_if_index);
4806     locator.priority = mp->priority;
4807     locator.weight = mp->weight;
4808     locator.local = 1;
4809     vec_add1(locators, locator);
4810
4811     locator_name = format(0, "%s", mp->locator_set_name);
4812
4813     a->name = locator_name;
4814     a->locators = locators;
4815     a->is_add = mp->is_add;
4816     a->local = 1;
4817
4818     rv = vnet_lisp_add_del_locator(a, NULL, &ls_index);
4819
4820     vec_free(locators);
4821     vec_free(locator_name);
4822
4823     REPLY_MACRO(VL_API_LISP_ADD_DEL_LOCATOR_REPLY);
4824 }
4825
4826 static void
4827 vl_api_lisp_add_del_local_eid_t_handler(
4828     vl_api_lisp_add_del_local_eid_t *mp)
4829 {
4830     vl_api_lisp_add_del_local_eid_reply_t *rmp;
4831     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
4832     int rv = 0;
4833     ip_prefix_t  *prefp = NULL;
4834     ip_address_t *ip_eid = NULL;
4835     gid_address_t eid;
4836     u8 * mac = gid_address_mac (&eid);
4837     uword * p = NULL;
4838     u32 locator_set_index = ~0, map_index = ~0;
4839     vnet_lisp_add_del_mapping_args_t _a, *a = &_a;
4840     u8 *name = NULL;
4841     memset (a, 0, sizeof (a[0]));
4842     memset (&eid, 0, sizeof (eid));
4843
4844     prefp = &gid_address_ippref(&eid);
4845     ip_eid = &ip_prefix_addr(prefp);
4846
4847     switch (mp->eid_type)
4848       {
4849       case 0: /* ipv4*/
4850         gid_address_type (&eid) = GID_ADDR_IP_PREFIX;
4851         ip_address_set(ip_eid, mp->eid, IP4);
4852         ip_prefix_len(prefp) = mp->prefix_len;
4853         break;
4854       case 1: /* ipv6 */
4855         gid_address_type (&eid) = GID_ADDR_IP_PREFIX;
4856         ip_address_set(ip_eid, mp->eid, IP6);
4857         ip_prefix_len(prefp) = mp->prefix_len;
4858         break;
4859       case 2: /* l2 mac */
4860         gid_address_type (&eid) = GID_ADDR_MAC;
4861         clib_memcpy(mac, mp->eid, 6);
4862         break;
4863       default:
4864         rv = VNET_API_ERROR_INVALID_EID_TYPE;
4865         goto out;
4866       }
4867
4868     name = format(0, "%s", mp->locator_set_name);
4869     p = hash_get_mem(lcm->locator_set_index_by_name, name);
4870     if (!p) {
4871         rv = VNET_API_ERROR_INVALID_VALUE;
4872         goto out;
4873     }
4874     locator_set_index = p[0];
4875
4876   /* XXX treat batch configuration */
4877     a->is_add = mp->is_add;
4878     gid_address_vni (&eid) = clib_net_to_host_u32 (mp->vni);
4879     gid_address_copy (&a->eid, &eid);
4880     a->locator_set_index = locator_set_index;
4881     a->local = 1;
4882     rv = vnet_lisp_add_del_local_mapping(a, &map_index);
4883
4884 out:
4885     vec_free(name);
4886     gid_address_free (&a->eid);
4887
4888     REPLY_MACRO(VL_API_LISP_ADD_DEL_LOCAL_EID_REPLY);
4889 }
4890
4891 static void
4892 vl_api_lisp_eid_table_add_del_map_t_handler(
4893     vl_api_lisp_eid_table_add_del_map_t *mp)
4894 {
4895     vl_api_lisp_eid_table_add_del_map_reply_t *rmp;
4896     int rv = 0;
4897     rv = vnet_lisp_eid_table_map (clib_net_to_host_u32 (mp->vni),
4898                                   clib_net_to_host_u32 (mp->vrf), mp->is_add);
4899     REPLY_MACRO(VL_API_LISP_EID_TABLE_ADD_DEL_MAP_REPLY)
4900 }
4901
4902 static void
4903 lisp_gpe_add_del_fwd_entry_set_address(
4904     vl_api_lisp_gpe_add_del_fwd_entry_t *mp,
4905     ip_address_t                        *slocator,
4906     ip_address_t                        *dlocator,
4907     gid_address_t                       *eid)
4908 {
4909     ip_address_t *ip_eid = NULL;
4910     ip_prefix_t *prefp = NULL;
4911
4912     prefp = &gid_address_ippref(eid);
4913     ip_eid = &ip_prefix_addr(prefp);
4914
4915     if (mp->eid_is_ipv6) {
4916         clib_memcpy(&ip_addr_v6(ip_eid), mp->eid_ip_address,
4917                sizeof(ip_addr_v6(ip_eid)));
4918         ip_addr_version(ip_eid) = IP6;
4919     } else {
4920         clib_memcpy(&ip_addr_v4(ip_eid), mp->eid_ip_address,
4921                sizeof(ip_addr_v4(ip_eid)));
4922         ip_addr_version(ip_eid) = IP4;
4923     }
4924     ip_prefix_len(prefp) = mp->eid_prefix_len;
4925
4926     if (mp->address_is_ipv6) {
4927         clib_memcpy(&ip_addr_v6(slocator), mp->source_ip_address,
4928                sizeof(ip_addr_v6(slocator)));
4929         ip_addr_version(slocator) = IP6;
4930         clib_memcpy(&ip_addr_v6(dlocator), mp->destination_ip_address,
4931                sizeof(ip_addr_v6(dlocator)));
4932         ip_addr_version(dlocator) = IP6;
4933     } else {
4934         clib_memcpy(&ip_addr_v4(slocator), mp->source_ip_address,
4935                sizeof(ip_addr_v4(slocator)));
4936         ip_addr_version(slocator) = IP4;
4937         clib_memcpy(&ip_addr_v4(dlocator), mp->destination_ip_address,
4938                sizeof(ip_addr_v4(dlocator)));
4939         ip_addr_version(dlocator) = IP4;
4940     }
4941 }
4942
4943 static void
4944 vl_api_lisp_gpe_add_del_fwd_entry_t_handler(
4945     vl_api_lisp_gpe_add_del_fwd_entry_t *mp)
4946 {
4947     vl_api_lisp_gpe_add_del_fwd_entry_reply_t *rmp;
4948     int rv = 0;
4949     ip_address_t slocator, dlocator;
4950     gid_address_t eid;
4951     vnet_lisp_gpe_add_del_fwd_entry_args_t a;
4952
4953     lisp_gpe_add_del_fwd_entry_set_address(mp, &slocator, &dlocator, &eid);
4954
4955     memset (&a, 0, sizeof(a));
4956
4957     a.is_add = mp->is_add;
4958     a.deid = eid;
4959     a.slocator = slocator;
4960     a.dlocator = dlocator;
4961     rv = vnet_lisp_gpe_add_del_fwd_entry (&a, 0);
4962
4963     REPLY_MACRO(VL_API_LISP_GPE_ADD_DEL_FWD_ENTRY_REPLY);
4964 }
4965
4966 static void
4967 vl_api_lisp_add_del_map_resolver_t_handler(
4968     vl_api_lisp_add_del_map_resolver_t *mp)
4969 {
4970     vl_api_lisp_add_del_map_resolver_reply_t *rmp;
4971     int rv = 0;
4972     ip_address_t *ip_addr = NULL;
4973     vnet_lisp_add_del_map_resolver_args_t _a, * a = &_a;
4974
4975     a->is_add = mp->is_add;
4976     ip_addr = &a->address;
4977
4978     if (mp->is_ipv6) {
4979         clib_memcpy(&ip_addr_v6(ip_addr), mp->ip_address,
4980                sizeof(ip_addr_v6(ip_addr)));
4981         ip_addr_version(ip_addr) = IP6;
4982     } else {
4983         clib_memcpy(&ip_addr_v4(ip_addr), mp->ip_address,
4984                sizeof(ip_addr_v4(ip_addr)));
4985         ip_addr_version(ip_addr) = IP4;
4986     }
4987
4988     rv = vnet_lisp_add_del_map_resolver (a);
4989
4990     REPLY_MACRO(VL_API_LISP_ADD_DEL_MAP_RESOLVER_REPLY);
4991 }
4992
4993 static void
4994 vl_api_lisp_gpe_enable_disable_t_handler(
4995     vl_api_lisp_gpe_enable_disable_t *mp)
4996 {
4997     vl_api_lisp_gpe_enable_disable_reply_t *rmp;
4998     int rv = 0;
4999     vnet_lisp_gpe_enable_disable_args_t _a, * a = &_a;
5000
5001     a->is_en = mp->is_en;
5002     vnet_lisp_gpe_enable_disable (a);
5003
5004     REPLY_MACRO(VL_API_LISP_GPE_ENABLE_DISABLE_REPLY);
5005 }
5006
5007 static void
5008 vl_api_lisp_enable_disable_t_handler(
5009     vl_api_lisp_enable_disable_t *mp)
5010 {
5011     vl_api_lisp_enable_disable_reply_t *rmp;
5012     int rv = 0;
5013
5014     vnet_lisp_enable_disable (mp->is_en);
5015     REPLY_MACRO(VL_API_LISP_ENABLE_DISABLE_REPLY);
5016 }
5017
5018 static void
5019 vl_api_lisp_gpe_add_del_iface_t_handler(
5020     vl_api_lisp_gpe_add_del_iface_t *mp)
5021 {
5022     vl_api_lisp_gpe_add_del_iface_reply_t *rmp;
5023     int rv = 0;
5024     vnet_lisp_gpe_add_del_iface_args_t _a, * a = &_a;
5025
5026     a->is_add = mp->is_add;
5027     a->table_id = mp->table_id;
5028     a->vni = mp->vni;
5029     rv = vnet_lisp_gpe_add_del_iface (a, 0);
5030
5031     REPLY_MACRO(VL_API_LISP_GPE_ADD_DEL_IFACE_REPLY);
5032 }
5033
5034 static void
5035 vl_api_lisp_pitr_set_locator_set_t_handler(
5036   vl_api_lisp_pitr_set_locator_set_t *mp)
5037 {
5038     vl_api_lisp_pitr_set_locator_set_reply_t *rmp;
5039     int rv = 0;
5040     u8 * ls_name = 0;
5041
5042     ls_name = format (0, "%s", mp->ls_name);
5043     rv = vnet_lisp_pitr_set_locator_set (ls_name, mp->is_add);
5044     vec_free (ls_name);
5045
5046     REPLY_MACRO(VL_API_LISP_PITR_SET_LOCATOR_SET_REPLY);
5047 }
5048
5049 static void
5050 vl_api_lisp_add_del_map_request_itr_rlocs_t_handler
5051 (vl_api_lisp_add_del_map_request_itr_rlocs_t *mp)
5052 {
5053     vl_api_lisp_add_del_map_request_itr_rlocs_reply_t *rmp;
5054     int rv = 0;
5055     u8 * locator_set_name = NULL;
5056     vnet_lisp_add_del_mreq_itr_rloc_args_t _a, * a = &_a;
5057
5058     locator_set_name = format (0, "%s", mp->locator_set_name);
5059
5060     a->is_add = mp->is_add;
5061     a->locator_set_name = locator_set_name;
5062
5063     rv = vnet_lisp_add_del_mreq_itr_rlocs(a);
5064
5065     vec_free(locator_set_name);
5066
5067     REPLY_MACRO(VL_API_LISP_ADD_DEL_MAP_REQUEST_ITR_RLOCS_REPLY);
5068 }
5069
5070 /** Used for transferring locators via VPP API */
5071 typedef CLIB_PACKED(struct
5072 {
5073   u8 is_ip4; /**< is locator an IPv4 address */
5074   u8 priority; /**< locator priority */
5075   u8 weight;   /**< locator weight */
5076   u8 addr[16]; /**< IPv4/IPv6 address */
5077 }) rloc_t;
5078
5079 static void
5080 send_lisp_locator_set_details_set_address
5081 (vl_api_lisp_locator_set_details_t *rmp,
5082  gid_address_t *gid_address)
5083 {
5084     ip_prefix_t *ip_addr;
5085
5086     if (gid_address_type(gid_address) != GID_ADDR_IP_PREFIX) {
5087         return;
5088     }
5089
5090     ip_addr = &gid_address_ippref(gid_address);
5091     rmp->prefix_len = ip_prefix_len(ip_addr);
5092     rmp->is_ipv6 = ip_prefix_version(ip_addr);
5093     ip_address_copy_addr(rmp->ip_address, &ip_prefix_addr(ip_addr));
5094 }
5095
5096 static void
5097 vl_api_lisp_add_del_remote_mapping_t_handler (
5098     vl_api_lisp_add_del_remote_mapping_t *mp)
5099 {
5100     u32 i;
5101     locator_t rloc, * rlocs = 0;
5102     vl_api_lisp_add_del_remote_mapping_reply_t * rmp;
5103     int rv = 0;
5104     gid_address_t _seid, * seid = &_seid;
5105     gid_address_t _deid, * deid = &_deid;
5106     ip_prefix_t * seid_pref = &gid_address_ippref(seid);
5107     ip_prefix_t * deid_pref = &gid_address_ippref(deid);
5108
5109     /* TODO remove seid from API */
5110     memset (seid, 0, sizeof (seid[0]));
5111     memset (deid, 0, sizeof (deid[0]));
5112     ip_address_t * seid_addr = &ip_prefix_addr(seid_pref);
5113     ip_address_t * deid_addr = &ip_prefix_addr(deid_pref);
5114     ip_prefix_len(seid_pref) = mp->seid_len;
5115     ip_prefix_len(deid_pref) = mp->deid_len;
5116     u8 * seid_mac = gid_address_mac (seid);
5117     u8 * deid_mac = gid_address_mac (deid);
5118     gid_address_vni (seid) = ntohl (mp->vni);
5119     gid_address_vni (deid) = ntohl (mp->vni);
5120
5121     switch (mp->eid_type)
5122       {
5123       case 0: /* ipv4 */
5124         gid_address_type(seid) = GID_ADDR_IP_PREFIX;
5125         gid_address_type(deid) = GID_ADDR_IP_PREFIX;
5126         ip_address_set (seid_addr, mp->seid, IP4);
5127         ip_address_set (deid_addr, mp->deid, IP4);
5128         break;
5129       case 1: /* ipv6 */
5130         gid_address_type(seid) = GID_ADDR_IP_PREFIX;
5131         gid_address_type(deid) = GID_ADDR_IP_PREFIX;
5132         ip_address_set (seid_addr, mp->seid, IP6);
5133         ip_address_set (deid_addr, mp->deid, IP6);
5134         break;
5135       case 2: /* l2 mac */
5136         gid_address_type(seid) = GID_ADDR_MAC;
5137         gid_address_type(deid) = GID_ADDR_MAC;
5138         clib_memcpy (seid_mac, mp->seid, 6);
5139         clib_memcpy (deid_mac, mp->deid, 6);
5140         break;
5141       default:
5142         rv = VNET_API_ERROR_INVALID_EID_TYPE;
5143         goto send_reply;
5144       }
5145
5146     for (i = 0; i < mp->rloc_num; i++) {
5147         rloc_t * r = &((rloc_t *) mp->rlocs)[i];
5148         memset(&rloc, 0, sizeof(rloc));
5149         ip_address_set(&gid_address_ip(&rloc.address), &r->addr,
5150                        r->is_ip4 ? IP4 : IP6);
5151         gid_address_ippref_len(&rloc.address) = r->is_ip4 ? 32: 128;
5152         gid_address_type(&rloc.address) = GID_ADDR_IP_PREFIX;
5153         rloc.priority = r->priority;
5154         rloc.weight = r->weight;
5155         vec_add1 (rlocs, rloc);
5156     }
5157
5158     if (!mp->is_add) {
5159         vnet_lisp_add_del_adjacency_args_t _a, * a = &_a;
5160         gid_address_copy(&a->deid, deid);
5161         a->is_add = 0;
5162         rv = vnet_lisp_add_del_adjacency (a);
5163     } else {
5164         /* NOTE: for now this works as a static remote mapping, i.e.,
5165          * not authoritative and ttl infinite. */
5166         rv = vnet_lisp_add_del_mapping (deid, rlocs, mp->action, 0, ~0,
5167                                         mp->is_add, 0);
5168
5169         /* TODO remove once CSIT switched to lisp_add_del_adjacency */
5170         vnet_lisp_add_del_adjacency_args_t _a, * a = &_a;
5171         gid_address_copy(&a->seid, seid);
5172         gid_address_copy(&a->deid, deid);
5173         a->is_add = 1;
5174         vnet_lisp_add_del_adjacency (a);
5175     }
5176
5177     if (mp->del_all)
5178       vnet_lisp_clear_all_remote_adjacencies ();
5179
5180     vec_free (rlocs);
5181 send_reply:
5182     REPLY_MACRO(VL_API_LISP_ADD_DEL_REMOTE_MAPPING_REPLY);
5183 }
5184
5185 static void
5186 vl_api_lisp_add_del_adjacency_t_handler (
5187     vl_api_lisp_add_del_adjacency_t *mp)
5188 {
5189     vl_api_lisp_add_del_adjacency_reply_t * rmp;
5190     vnet_lisp_add_del_adjacency_args_t _a, * a = &_a;
5191
5192     int rv = 0;
5193     memset(a, 0, sizeof(a[0]));
5194
5195     ip_prefix_t * seid_pref = &gid_address_ippref(&a->seid);
5196     ip_prefix_t * deid_pref = &gid_address_ippref(&a->deid);
5197
5198     ip_address_t * seid_addr = &ip_prefix_addr(seid_pref);
5199     ip_address_t * deid_addr = &ip_prefix_addr(deid_pref);
5200     ip_prefix_len(seid_pref) = mp->seid_len;
5201     ip_prefix_len(deid_pref) = mp->deid_len;
5202     u8 * seid_mac = gid_address_mac (&a->seid);
5203     u8 * deid_mac = gid_address_mac (&a->deid);
5204     gid_address_vni(&a->seid) = ntohl (mp->vni);
5205     gid_address_vni(&a->deid) = ntohl (mp->vni);
5206
5207     switch (mp->eid_type)
5208       {
5209       case 0: /* ipv4 */
5210         gid_address_type(&a->seid) = GID_ADDR_IP_PREFIX;
5211         gid_address_type(&a->deid) = GID_ADDR_IP_PREFIX;
5212         ip_address_set (seid_addr, mp->seid, IP4);
5213         ip_address_set (deid_addr, mp->deid, IP4);
5214         break;
5215       case 1: /* ipv6 */
5216         gid_address_type(&a->seid) = GID_ADDR_IP_PREFIX;
5217         gid_address_type(&a->deid) = GID_ADDR_IP_PREFIX;
5218         ip_address_set (seid_addr, mp->seid, IP6);
5219         ip_address_set (deid_addr, mp->deid, IP6);
5220         break;
5221       case 2: /* l2 mac */
5222         gid_address_type(&a->seid) = GID_ADDR_MAC;
5223         gid_address_type(&a->deid) = GID_ADDR_MAC;
5224         clib_memcpy (seid_mac, mp->seid, 6);
5225         clib_memcpy (deid_mac, mp->deid, 6);
5226         break;
5227       default:
5228         rv = VNET_API_ERROR_INVALID_EID_TYPE;
5229         goto send_reply;
5230       }
5231
5232     a->is_add = mp->is_add;
5233     rv = vnet_lisp_add_del_adjacency (a);
5234
5235 send_reply:
5236     REPLY_MACRO(VL_API_LISP_ADD_DEL_ADJACENCY_REPLY);
5237 }
5238
5239 static void
5240 send_lisp_locator_set_details (lisp_cp_main_t *lcm,
5241                                locator_set_t *lsit,
5242                                unix_shared_memory_queue_t *q,
5243                                u32 context,
5244                                u32 index)
5245 {
5246     vl_api_lisp_locator_set_details_t *rmp;
5247     locator_t *loc = NULL;
5248     u32 * locit = NULL;
5249     u8 * str = NULL;
5250
5251     vec_foreach (locit, lsit->locator_indices) {
5252         loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
5253         rmp = vl_msg_api_alloc (sizeof (*rmp));
5254         memset (rmp, 0, sizeof (*rmp));
5255         rmp->_vl_msg_id = ntohs(VL_API_LISP_LOCATOR_SET_DETAILS);
5256         rmp->local = lsit->local;
5257         if (lsit->local) {
5258             ASSERT(lsit->name != NULL);
5259             strncpy((char *) rmp->locator_set_name,
5260                     (char *) lsit->name, ARRAY_LEN(rmp->locator_set_name) - 1);
5261             rmp->sw_if_index = htonl(loc->sw_if_index);
5262         } else {
5263             str = format(0, "remote-%d", index);
5264             strncpy((char *) rmp->locator_set_name, (char *) str,
5265                     ARRAY_LEN(rmp->locator_set_name) - 1);
5266             send_lisp_locator_set_details_set_address(rmp, &loc->address);
5267
5268             vec_free(str);
5269         }
5270         rmp->priority = loc->priority;
5271         rmp->weight = loc->weight;
5272         rmp->context = context;
5273
5274         vl_msg_api_send_shmem (q, (u8 *)&rmp);
5275     }
5276 }
5277
5278 static void
5279 vl_api_lisp_locator_set_dump_t_handler (vl_api_lisp_locator_set_dump_t *mp)
5280 {
5281     unix_shared_memory_queue_t * q = NULL;
5282     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
5283     locator_set_t * lsit = NULL;
5284     u32 index;
5285
5286     q = vl_api_client_index_to_input_queue (mp->client_index);
5287     if (q == 0) {
5288         return;
5289     }
5290
5291     index = 0;
5292     pool_foreach (lsit, lcm->locator_set_pool,
5293         ({
5294             send_lisp_locator_set_details(lcm, lsit, q, mp->context, index++);
5295         }));
5296 }
5297
5298 static void
5299 send_lisp_local_eid_table_details (mapping_t *mapit,
5300                                    unix_shared_memory_queue_t *q,
5301                                    u32 context)
5302 {
5303     vl_api_lisp_local_eid_table_details_t *rmp = NULL;
5304     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
5305     locator_set_t *ls = NULL;
5306     gid_address_t *gid = NULL;
5307     u8 * mac = 0;
5308     ip_prefix_t *ip_prefix = NULL;
5309     u8 * str = NULL;
5310
5311     ls = pool_elt_at_index (lcm->locator_set_pool,
5312                             mapit->locator_set_index);
5313     gid = &mapit->eid;
5314     ip_prefix = &gid_address_ippref(gid);
5315     mac = gid_address_mac(gid);
5316
5317     rmp = vl_msg_api_alloc (sizeof (*rmp));
5318     memset (rmp, 0, sizeof (*rmp));
5319     rmp->_vl_msg_id = ntohs(VL_API_LISP_LOCAL_EID_TABLE_DETAILS);
5320     if (ls->local) {
5321         ASSERT(ls->name != NULL);
5322         strncpy((char *) rmp->locator_set_name,
5323                 (char *) ls->name, ARRAY_LEN(rmp->locator_set_name) - 1);
5324     } else {
5325             str = format(0, "remote-%d", mapit->locator_set_index);
5326             strncpy((char *) rmp->locator_set_name, (char *) str,
5327                     ARRAY_LEN(rmp->locator_set_name) - 1);
5328             vec_free(str);
5329     }
5330
5331     switch (gid_address_type (gid))
5332       {
5333       case GID_ADDR_IP_PREFIX:
5334         rmp->eid_prefix_len = ip_prefix_len(ip_prefix);
5335         if (ip_prefix_version(ip_prefix) == IP4)
5336           {
5337             rmp->eid_type = 0; /* ipv4 type */
5338             clib_memcpy(rmp->eid, &ip_prefix_v4(ip_prefix),
5339                    sizeof(ip_prefix_v4(ip_prefix)));
5340           }
5341         else
5342           {
5343             rmp->eid_type = 1; /* ipv6 type */
5344             clib_memcpy(rmp->eid, &ip_prefix_v6(ip_prefix),
5345                    sizeof(ip_prefix_v6(ip_prefix)));
5346           }
5347         break;
5348       case GID_ADDR_MAC:
5349         rmp->eid_type = 2; /* l2 mac type */
5350         clib_memcpy(rmp->eid, mac, 6);
5351         break;
5352       default:
5353         ASSERT(0);
5354       }
5355     rmp->context = context;
5356     rmp->vni = clib_host_to_net_u32 (gid_address_vni (gid));
5357     vl_msg_api_send_shmem (q, (u8 *)&rmp);
5358 }
5359
5360 static void
5361 vl_api_lisp_local_eid_table_dump_t_handler (
5362     vl_api_lisp_local_eid_table_dump_t *mp)
5363 {
5364     u32 mi;
5365     unix_shared_memory_queue_t * q = NULL;
5366     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
5367     mapping_t * mapit = NULL;
5368     gid_address_t _eid, * eid = &_eid;
5369
5370     q = vl_api_client_index_to_input_queue (mp->client_index);
5371     if (q == 0) {
5372         return;
5373     }
5374
5375     if (mp->eid_set) {
5376         memset (eid, 0, sizeof (*eid));
5377         gid_address_vni(eid) = ntohl(mp->vni);
5378         switch (mp->eid_type) {
5379         case 0:
5380             gid_address_type(eid) = GID_ADDR_IP_PREFIX;
5381             gid_address_ippref_len(eid) = mp->prefix_length;
5382             gid_address_ip_version(eid) = IP4;
5383             clib_memcpy (&gid_address_ippref(eid), mp->eid, 4);
5384             break;
5385         case 1:
5386             gid_address_type(eid) = GID_ADDR_IP_PREFIX;
5387             gid_address_ippref_len(eid) = mp->prefix_length;
5388             gid_address_ip_version(eid) = IP6;
5389             clib_memcpy (&gid_address_ippref(eid), mp->eid, 16);
5390             break;
5391         case 2:
5392             gid_address_type(eid) = GID_ADDR_MAC;
5393             clib_memcpy (gid_address_mac(eid), mp->eid, 6);
5394             break;
5395         }
5396         mi = gid_dictionary_lookup (&lcm->mapping_index_by_gid, eid);
5397         if ((u32)~0 == mi)
5398           return;
5399
5400         mapit = pool_elt_at_index (lcm->mapping_pool, mi);
5401         send_lisp_local_eid_table_details(mapit, q, mp->context);
5402     } else {
5403         pool_foreach (mapit, lcm->mapping_pool,
5404         ({
5405             send_lisp_local_eid_table_details(mapit, q, mp->context);
5406         }));
5407     }
5408 }
5409
5410 static void
5411 send_lisp_gpe_tunnel_details (lisp_gpe_tunnel_t *tunnel,
5412                               unix_shared_memory_queue_t *q,
5413                               u32 context)
5414 {
5415     vl_api_lisp_gpe_tunnel_details_t *rmp;
5416     lisp_gpe_main_t * lgm = &lisp_gpe_main;
5417
5418     rmp = vl_msg_api_alloc (sizeof (*rmp));
5419     memset (rmp, 0, sizeof (*rmp));
5420     rmp->_vl_msg_id = ntohs(VL_API_LISP_GPE_TUNNEL_DETAILS);
5421
5422     rmp->tunnels = tunnel - lgm->tunnels;
5423
5424     rmp->is_ipv6 = ip_addr_version(&tunnel->src) == IP6 ? 1 : 0;
5425     ip_address_copy_addr(rmp->source_ip, &tunnel->src);
5426     ip_address_copy_addr(rmp->destination_ip, &tunnel->dst);
5427
5428     rmp->encap_fib_id = htonl(tunnel->encap_fib_index);
5429     rmp->decap_fib_id = htonl(tunnel->decap_fib_index);
5430     rmp->dcap_next = htonl(tunnel->decap_next_index);
5431     rmp->lisp_ver = tunnel->ver_res;
5432     rmp->next_protocol = tunnel->next_protocol;
5433     rmp->flags = tunnel->flags;
5434     rmp->ver_res = tunnel->ver_res;
5435     rmp->res = tunnel->res;
5436     rmp->iid = htonl(tunnel->vni);
5437     rmp->context = context;
5438
5439     vl_msg_api_send_shmem (q, (u8 *)&rmp);
5440 }
5441
5442 static void
5443 vl_api_lisp_gpe_tunnel_dump_t_handler (
5444     vl_api_lisp_gpe_tunnel_dump_t *mp)
5445 {
5446     unix_shared_memory_queue_t * q = NULL;
5447     lisp_gpe_main_t * lgm = &lisp_gpe_main;
5448     lisp_gpe_tunnel_t * tunnel = NULL;
5449
5450     if (pool_elts(lgm->tunnels) == 0) {
5451         return;
5452     }
5453
5454     q = vl_api_client_index_to_input_queue (mp->client_index);
5455     if (q == 0) {
5456         return;
5457     }
5458
5459     pool_foreach(tunnel, lgm->tunnels,
5460                  ({
5461                      send_lisp_gpe_tunnel_details(tunnel, q, mp->context);
5462                 }));
5463 }
5464
5465 static void
5466 send_lisp_map_resolver_details (ip_address_t *ip,
5467                                 unix_shared_memory_queue_t *q,
5468                                 u32 context)
5469 {
5470     vl_api_lisp_map_resolver_details_t *rmp = NULL;
5471
5472     rmp = vl_msg_api_alloc (sizeof (*rmp));
5473     memset (rmp, 0, sizeof (*rmp));
5474     rmp->_vl_msg_id = ntohs(VL_API_LISP_MAP_RESOLVER_DETAILS);
5475
5476     switch (ip_addr_version(ip)) {
5477         case IP4:
5478             rmp->is_ipv6 = 0;
5479             clib_memcpy(rmp->ip_address, &ip_addr_v4(ip), sizeof(ip_addr_v4(ip)));
5480             break;
5481
5482         case IP6:
5483             rmp->is_ipv6 = 1;
5484             clib_memcpy(rmp->ip_address, &ip_addr_v6(ip), sizeof(ip_addr_v6(ip)));
5485             break;
5486
5487         default:
5488             ASSERT(0);
5489     }
5490     rmp->context = context;
5491
5492     vl_msg_api_send_shmem (q, (u8 *)&rmp);
5493 }
5494
5495 static void
5496 vl_api_lisp_map_resolver_dump_t_handler (
5497     vl_api_lisp_map_resolver_dump_t *mp)
5498 {
5499     unix_shared_memory_queue_t * q = NULL;
5500     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
5501     ip_address_t *ip = NULL;
5502
5503     q = vl_api_client_index_to_input_queue (mp->client_index);
5504     if (q == 0) {
5505         return;
5506     }
5507
5508     vec_foreach(ip, lcm->map_resolvers) {
5509         send_lisp_map_resolver_details(ip, q, mp->context);
5510     }
5511
5512 }
5513
5514 static void
5515 send_eid_table_map_pair (hash_pair_t * p,
5516                          unix_shared_memory_queue_t * q,
5517                          u32 context)
5518 {
5519     vl_api_lisp_eid_table_map_details_t * rmp = NULL;
5520
5521     rmp = vl_msg_api_alloc (sizeof (*rmp));
5522     memset (rmp, 0, sizeof (*rmp));
5523     rmp->_vl_msg_id = ntohs(VL_API_LISP_EID_TABLE_MAP_DETAILS);
5524
5525     rmp->vni = clib_host_to_net_u32 (p->key);
5526     rmp->vrf = clib_host_to_net_u32 (p->value[0]);
5527     rmp->context = context;
5528     vl_msg_api_send_shmem (q, (u8 *)&rmp);
5529 }
5530
5531 static void
5532 vl_api_lisp_eid_table_map_dump_t_handler (
5533     vl_api_lisp_eid_table_map_dump_t *mp)
5534 {
5535     unix_shared_memory_queue_t * q = NULL;
5536     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
5537     hash_pair_t * p;
5538
5539     q = vl_api_client_index_to_input_queue (mp->client_index);
5540     if (q == 0) {
5541         return;
5542     }
5543     hash_foreach_pair (p, lcm->table_id_by_vni, {
5544         send_eid_table_map_pair (p, q, mp->context);
5545     });
5546 }
5547
5548 static void
5549 send_lisp_enable_disable_details (unix_shared_memory_queue_t *q,
5550                                       u32 context)
5551 {
5552     vl_api_lisp_enable_disable_status_details_t *rmp = NULL;
5553
5554     rmp = vl_msg_api_alloc (sizeof (*rmp));
5555     memset (rmp, 0, sizeof (*rmp));
5556     rmp->_vl_msg_id = ntohs(VL_API_LISP_ENABLE_DISABLE_STATUS_DETAILS);
5557
5558     rmp->gpe_status = vnet_lisp_gpe_enable_disable_status ();
5559     rmp->feature_status = vnet_lisp_enable_disable_status ();
5560     rmp->context = context;
5561
5562     vl_msg_api_send_shmem (q, (u8 *)&rmp);
5563 }
5564
5565 static void
5566 vl_api_lisp_enable_disable_status_dump_t_handler
5567 (vl_api_lisp_enable_disable_status_dump_t *mp)
5568 {
5569     unix_shared_memory_queue_t * q = NULL;
5570
5571     q = vl_api_client_index_to_input_queue (mp->client_index);
5572     if (q == 0) {
5573         return;
5574     }
5575
5576     send_lisp_enable_disable_details(q, mp->context);
5577 }
5578
5579 static void
5580 vl_api_lisp_get_map_request_itr_rlocs_t_handler (
5581     vl_api_lisp_get_map_request_itr_rlocs_t *mp)
5582 {
5583     unix_shared_memory_queue_t * q = NULL;
5584     vl_api_lisp_get_map_request_itr_rlocs_reply_t *rmp = NULL;
5585     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
5586     locator_set_t * loc_set = 0;
5587     u8 * tmp_str = 0;
5588     int rv = 0;
5589
5590     q = vl_api_client_index_to_input_queue (mp->client_index);
5591     if (q == 0) {
5592         return;
5593     }
5594
5595     if (~0 == lcm->mreq_itr_rlocs) {
5596       tmp_str = format(0, " ");
5597     } else {
5598       loc_set = pool_elt_at_index (lcm->locator_set_pool, lcm->mreq_itr_rlocs);
5599       tmp_str = format(0, "%s", loc_set->name);
5600     }
5601
5602     REPLY_MACRO2(VL_API_LISP_GET_MAP_REQUEST_ITR_RLOCS_REPLY,
5603     ({
5604       strncpy((char *) rmp->locator_set_name, (char *) tmp_str,
5605               ARRAY_LEN(rmp->locator_set_name) - 1);
5606     }));
5607
5608     vec_free(tmp_str);
5609 }
5610
5611 static void
5612 vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *mp)
5613 {
5614     vl_api_interface_name_renumber_reply_t * rmp;
5615     int rv = 0;
5616
5617     VALIDATE_SW_IF_INDEX(mp);
5618
5619     rv = vnet_interface_name_renumber
5620         (ntohl(mp->sw_if_index), ntohl(mp->new_show_dev_instance));
5621
5622     BAD_SW_IF_INDEX_LABEL;
5623
5624     REPLY_MACRO(VL_API_INTERFACE_NAME_RENUMBER_REPLY);
5625 }
5626
5627 static int arp_change_data_callback (u32 pool_index, u8 * new_mac,
5628                                      u32 sw_if_index, u32 address)
5629 {
5630     vpe_api_main_t * am = &vpe_api_main;
5631     vlib_main_t * vm = am->vlib_main;
5632     vl_api_ip4_arp_event_t * event;
5633     static f64 arp_event_last_time;
5634     f64 now = vlib_time_now (vm);
5635
5636     if (pool_is_free_index (am->arp_events, pool_index))
5637         return 1;
5638
5639     event = pool_elt_at_index (am->arp_events, pool_index);
5640     if (memcmp (&event->new_mac, new_mac, sizeof (event->new_mac))) {
5641         clib_memcpy (event->new_mac, new_mac, sizeof(event->new_mac));
5642     } else { /* same mac */
5643         if ((sw_if_index == event->sw_if_index) &&
5644             ((address == 0) ||
5645              /* for BD case, also check IP address with 10 sec timeout */
5646              ((address == event->address) &&
5647               ((now - arp_event_last_time) < 10.0))))
5648             return 1;
5649     }
5650
5651     arp_event_last_time = now;
5652     event->sw_if_index = sw_if_index;
5653     if (address) event->address = address;
5654     return 0;
5655 }
5656
5657 static int arp_change_delete_callback (u32 pool_index, u8 * notused)
5658 {
5659     vpe_api_main_t * am = &vpe_api_main;
5660
5661     if (pool_is_free_index (am->arp_events, pool_index))
5662         return 1;
5663
5664     pool_put_index (am->arp_events, pool_index);
5665     return 0;
5666 }
5667
5668 static void
5669 vl_api_want_ip4_arp_events_t_handler
5670 (vl_api_want_ip4_arp_events_t * mp)
5671 {
5672     vpe_api_main_t * am = &vpe_api_main;
5673     vnet_main_t * vnm = vnet_get_main();
5674     vl_api_want_ip4_arp_events_reply_t *rmp;
5675     vl_api_ip4_arp_event_t * event;
5676     int rv;
5677
5678     if (mp->enable_disable) {
5679         pool_get (am->arp_events, event);
5680         memset (event, 0, sizeof (*event));
5681
5682         event->_vl_msg_id = ntohs(VL_API_IP4_ARP_EVENT);
5683         event->client_index = mp->client_index;
5684         event->context = mp->context;
5685         event->address = mp->address;
5686         event->pid = mp->pid;
5687
5688         rv = vnet_add_del_ip4_arp_change_event
5689             (vnm, arp_change_data_callback,
5690              mp->pid,
5691              &mp->address /* addr, in net byte order */,
5692              vpe_resolver_process_node.index,
5693              IP4_ARP_EVENT, event - am->arp_events, 1 /* is_add */);
5694     } else {
5695         rv = vnet_add_del_ip4_arp_change_event
5696             (vnm, arp_change_delete_callback,
5697              mp->pid,
5698              &mp->address /* addr, in net byte order */,
5699              vpe_resolver_process_node.index,
5700              IP4_ARP_EVENT, ~0 /* pool index */, 0 /* is_add */);
5701     }
5702     REPLY_MACRO(VL_API_WANT_IP4_ARP_EVENTS_REPLY);
5703 }
5704
5705 static void vl_api_input_acl_set_interface_t_handler
5706 (vl_api_input_acl_set_interface_t * mp)
5707 {
5708     vlib_main_t *vm = vlib_get_main();
5709     vl_api_input_acl_set_interface_reply_t * rmp;
5710     int rv;
5711     u32 sw_if_index, ip4_table_index, ip6_table_index, l2_table_index;
5712
5713     ip4_table_index = ntohl(mp->ip4_table_index);
5714     ip6_table_index = ntohl(mp->ip6_table_index);
5715     l2_table_index = ntohl(mp->l2_table_index);
5716     sw_if_index = ntohl(mp->sw_if_index);
5717
5718     VALIDATE_SW_IF_INDEX(mp);
5719
5720     rv = vnet_set_input_acl_intfc (vm, sw_if_index, ip4_table_index,
5721                                    ip6_table_index, l2_table_index,
5722                                    mp->is_add);
5723
5724     BAD_SW_IF_INDEX_LABEL;
5725
5726     REPLY_MACRO(VL_API_INPUT_ACL_SET_INTERFACE_REPLY);
5727 }
5728
5729 static void vl_api_ipsec_spd_add_del_t_handler
5730 (vl_api_ipsec_spd_add_del_t * mp)
5731 {
5732 #if IPSEC == 0
5733     clib_warning ("unimplemented");
5734 #else
5735
5736     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5737     vl_api_ipsec_spd_add_del_reply_t * rmp;
5738     int rv;
5739
5740 #if DPDK > 0
5741     rv = ipsec_add_del_spd (vm, ntohl(mp->spd_id), mp->is_add);
5742 #else
5743     rv = VNET_API_ERROR_UNIMPLEMENTED;
5744 #endif
5745
5746     REPLY_MACRO(VL_API_IPSEC_SPD_ADD_DEL_REPLY);
5747 #endif
5748 }
5749
5750 static void vl_api_ipsec_interface_add_del_spd_t_handler
5751 (vl_api_ipsec_interface_add_del_spd_t * mp)
5752 {
5753     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5754     vl_api_ipsec_interface_add_del_spd_reply_t * rmp;
5755     int rv;
5756     u32 sw_if_index __attribute__((unused));
5757     u32 spd_id __attribute__((unused));
5758
5759     sw_if_index = ntohl(mp->sw_if_index);
5760     spd_id = ntohl(mp->spd_id);
5761
5762     VALIDATE_SW_IF_INDEX(mp);
5763
5764 #if IPSEC > 0
5765     rv = ipsec_set_interface_spd(vm, sw_if_index, spd_id, mp->is_add);
5766 #else
5767     rv = VNET_API_ERROR_UNIMPLEMENTED;
5768 #endif
5769
5770     BAD_SW_IF_INDEX_LABEL;
5771
5772     REPLY_MACRO(VL_API_IPSEC_INTERFACE_ADD_DEL_SPD_REPLY);
5773 }
5774
5775 static void vl_api_ipsec_spd_add_del_entry_t_handler
5776 (vl_api_ipsec_spd_add_del_entry_t * mp)
5777 {
5778     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5779     vl_api_ipsec_spd_add_del_entry_reply_t * rmp;
5780     int rv;
5781
5782 #if IPSEC > 0
5783     ipsec_policy_t p;
5784
5785     memset(&p, 0, sizeof(p));
5786
5787     p.id = ntohl(mp->spd_id);
5788     p.priority = ntohl(mp->priority);
5789     p.is_outbound = mp->is_outbound;
5790     p.is_ipv6 = mp->is_ipv6;
5791
5792     if (mp->is_ipv6 || mp->is_ip_any) {
5793         clib_memcpy(&p.raddr.start, mp->remote_address_start, 16);
5794         clib_memcpy(&p.raddr.stop, mp->remote_address_stop, 16);
5795         clib_memcpy(&p.laddr.start, mp->local_address_start, 16);
5796         clib_memcpy(&p.laddr.stop, mp->local_address_stop, 16);
5797     } else {
5798         clib_memcpy(&p.raddr.start.ip4.data, mp->remote_address_start, 4);
5799         clib_memcpy(&p.raddr.stop.ip4.data, mp->remote_address_stop, 4);
5800         clib_memcpy(&p.laddr.start.ip4.data, mp->local_address_start, 4);
5801         clib_memcpy(&p.laddr.stop.ip4.data, mp->local_address_stop, 4);
5802     }
5803     p.protocol = mp->protocol;
5804     p.rport.start = ntohs(mp->remote_port_start);
5805     p.rport.stop  = ntohs(mp->remote_port_stop);
5806     p.lport.start = ntohs(mp->local_port_start);
5807     p.lport.stop  = ntohs(mp->local_port_stop);
5808     /* policy action resolve unsupported */
5809     if (mp->policy == IPSEC_POLICY_ACTION_RESOLVE) {
5810         clib_warning("unsupported action: 'resolve'");
5811         rv = VNET_API_ERROR_UNIMPLEMENTED;
5812         goto out;
5813     }
5814     p.policy = mp->policy;
5815     p.sa_id = ntohl(mp->sa_id);
5816
5817     rv = ipsec_add_del_policy(vm, &p, mp->is_add);
5818     if (rv)
5819       goto out;
5820
5821     if (mp->is_ip_any) {
5822       p.is_ipv6 = 1;
5823       rv = ipsec_add_del_policy(vm, &p, mp->is_add);
5824     }
5825 #else
5826     rv = VNET_API_ERROR_UNIMPLEMENTED;
5827     goto out;
5828 #endif
5829
5830 out:
5831     REPLY_MACRO(VL_API_IPSEC_SPD_ADD_DEL_ENTRY_REPLY);
5832 }
5833
5834 static void vl_api_ipsec_sad_add_del_entry_t_handler
5835 (vl_api_ipsec_sad_add_del_entry_t * mp)
5836 {
5837     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5838     vl_api_ipsec_sad_add_del_entry_reply_t * rmp;
5839     int rv;
5840 #if IPSEC > 0
5841     ipsec_sa_t sa;
5842
5843     memset(&sa, 0, sizeof(sa));
5844
5845     sa.id = ntohl(mp->sad_id);
5846     sa.spi = ntohl(mp->spi);
5847     /* security protocol AH unsupported */
5848     if (mp->protocol == IPSEC_PROTOCOL_AH) {
5849         clib_warning("unsupported security protocol 'AH'");
5850         rv = VNET_API_ERROR_UNIMPLEMENTED;
5851         goto out;
5852     }
5853     sa.protocol = mp->protocol;
5854     /* check for unsupported crypto-alg */
5855     if (mp->crypto_algorithm < IPSEC_CRYPTO_ALG_AES_CBC_128 ||
5856         mp->crypto_algorithm > IPSEC_CRYPTO_ALG_AES_CBC_256) {
5857         clib_warning("unsupported crypto-alg: '%U'", format_ipsec_crypto_alg,
5858                      mp->crypto_algorithm);
5859         rv = VNET_API_ERROR_UNIMPLEMENTED;
5860         goto out;
5861     }
5862     sa.crypto_alg = mp->crypto_algorithm;
5863     sa.crypto_key_len = mp->crypto_key_length;
5864     clib_memcpy(&sa.crypto_key, mp->crypto_key, sizeof(sa.crypto_key));
5865     /* check for unsupported integ-alg */
5866     if (mp->integrity_algorithm < IPSEC_INTEG_ALG_SHA1_96 ||
5867         mp->integrity_algorithm > IPSEC_INTEG_ALG_SHA_512_256) {
5868         clib_warning("unsupported integ-alg: '%U'", format_ipsec_integ_alg,
5869                      mp->integrity_algorithm);
5870         rv = VNET_API_ERROR_UNIMPLEMENTED;
5871         goto out;
5872     }
5873     sa.integ_alg = mp->integrity_algorithm;
5874     sa.integ_key_len = mp->integrity_key_length;
5875     clib_memcpy(&sa.integ_key, mp->integrity_key, sizeof(sa.integ_key));
5876     sa.use_esn = mp->use_extended_sequence_number;
5877     sa.is_tunnel = mp->is_tunnel;
5878     sa.is_tunnel_ip6 = mp->is_tunnel_ipv6;
5879     if (sa.is_tunnel_ip6) {
5880         clib_memcpy(&sa.tunnel_src_addr, mp->tunnel_src_address, 16);
5881         clib_memcpy(&sa.tunnel_dst_addr, mp->tunnel_dst_address, 16);
5882     } else {
5883         clib_memcpy(&sa.tunnel_src_addr.ip4.data, mp->tunnel_src_address, 4);
5884         clib_memcpy(&sa.tunnel_dst_addr.ip4.data, mp->tunnel_dst_address, 4);
5885     }
5886
5887     rv = ipsec_add_del_sa(vm, &sa, mp->is_add);
5888 #else
5889     rv = VNET_API_ERROR_UNIMPLEMENTED;
5890     goto out;
5891 #endif
5892
5893 out:
5894     REPLY_MACRO(VL_API_IPSEC_SAD_ADD_DEL_ENTRY_REPLY);
5895 }
5896
5897 static void
5898 vl_api_ikev2_profile_add_del_t_handler
5899 (vl_api_ikev2_profile_add_del_t * mp)
5900 {
5901     vl_api_ikev2_profile_add_del_reply_t * rmp;
5902     int rv = 0;
5903
5904 #if IPSEC > 0
5905     vlib_main_t * vm = vlib_get_main();
5906     clib_error_t * error;
5907     u8 * tmp = format(0, "%s", mp->name);
5908     error = ikev2_add_del_profile(vm, tmp, mp->is_add);
5909     vec_free (tmp);
5910     if (error)
5911       rv = VNET_API_ERROR_UNSPECIFIED;
5912 #else
5913     rv = VNET_API_ERROR_UNIMPLEMENTED;
5914 #endif
5915
5916    REPLY_MACRO(VL_API_IKEV2_PROFILE_ADD_DEL_REPLY);
5917 }
5918
5919 static void
5920 vl_api_ikev2_profile_set_auth_t_handler
5921 (vl_api_ikev2_profile_set_auth_t * mp)
5922 {
5923     vl_api_ikev2_profile_set_auth_reply_t * rmp;
5924     int rv = 0;
5925
5926 #if IPSEC > 0
5927     vlib_main_t * vm = vlib_get_main();
5928     clib_error_t * error;
5929     u8 * tmp = format(0, "%s", mp->name);
5930     u8 * data = vec_new (u8, mp->data_len);
5931     clib_memcpy(data, mp->data, mp->data_len);
5932     error = ikev2_set_profile_auth(vm, tmp, mp->auth_method, data, mp->is_hex);
5933     vec_free (tmp);
5934     vec_free (data);
5935     if (error)
5936       rv = VNET_API_ERROR_UNSPECIFIED;
5937 #else
5938     rv = VNET_API_ERROR_UNIMPLEMENTED;
5939 #endif
5940
5941    REPLY_MACRO(VL_API_IKEV2_PROFILE_SET_AUTH_REPLY);
5942 }
5943
5944 static void
5945 vl_api_ikev2_profile_set_id_t_handler
5946 (vl_api_ikev2_profile_set_id_t * mp)
5947 {
5948     vl_api_ikev2_profile_add_del_reply_t * rmp;
5949     int rv = 0;
5950
5951 #if IPSEC > 0
5952     vlib_main_t * vm = vlib_get_main();
5953     clib_error_t * error;
5954     u8 * tmp = format(0, "%s", mp->name);
5955     u8 * data = vec_new (u8, mp->data_len);
5956     clib_memcpy(data, mp->data, mp->data_len);
5957     error = ikev2_set_profile_id(vm, tmp, mp->id_type, data, mp->is_local);
5958     vec_free (tmp);
5959     vec_free (data);
5960     if (error)
5961       rv = VNET_API_ERROR_UNSPECIFIED;
5962 #else
5963     rv = VNET_API_ERROR_UNIMPLEMENTED;
5964 #endif
5965
5966    REPLY_MACRO(VL_API_IKEV2_PROFILE_SET_ID_REPLY);
5967 }
5968
5969 static void
5970 vl_api_ikev2_profile_set_ts_t_handler
5971 (vl_api_ikev2_profile_set_ts_t * mp)
5972 {
5973     vl_api_ikev2_profile_set_ts_reply_t * rmp;
5974     int rv = 0;
5975
5976 #if IPSEC > 0
5977     vlib_main_t * vm = vlib_get_main();
5978     clib_error_t * error;
5979     u8 * tmp = format(0, "%s", mp->name);
5980     error = ikev2_set_profile_ts(vm, tmp, mp->proto, mp->start_port,
5981                                  mp->end_port, (ip4_address_t) mp->start_addr,
5982                                  (ip4_address_t) mp->end_addr, mp->is_local);
5983     vec_free (tmp);
5984     if (error)
5985       rv = VNET_API_ERROR_UNSPECIFIED;
5986 #else
5987     rv = VNET_API_ERROR_UNIMPLEMENTED;
5988 #endif
5989
5990    REPLY_MACRO(VL_API_IKEV2_PROFILE_SET_TS_REPLY);
5991 }
5992
5993 static void
5994 vl_api_ikev2_set_local_key_t_handler
5995 (vl_api_ikev2_set_local_key_t * mp)
5996 {
5997     vl_api_ikev2_profile_set_ts_reply_t * rmp;
5998     int rv = 0;
5999
6000 #if IPSEC > 0
6001     vlib_main_t * vm = vlib_get_main();
6002     clib_error_t * error;
6003
6004     error = ikev2_set_local_key(vm, mp->key_file);
6005     if (error)
6006       rv = VNET_API_ERROR_UNSPECIFIED;
6007 #else
6008     rv = VNET_API_ERROR_UNIMPLEMENTED;
6009 #endif
6010
6011    REPLY_MACRO(VL_API_IKEV2_SET_LOCAL_KEY_REPLY);
6012 }
6013
6014 static void
6015 vl_api_map_add_domain_t_handler
6016 (vl_api_map_add_domain_t * mp)
6017 {
6018   vl_api_map_add_domain_reply_t * rmp;
6019   int rv = 0;
6020   u32 index;
6021   u8 flags = mp->is_translation ? MAP_DOMAIN_TRANSLATION : 0;
6022   rv = map_create_domain((ip4_address_t *)&mp->ip4_prefix, mp->ip4_prefix_len,
6023                          (ip6_address_t *)&mp->ip6_prefix, mp->ip6_prefix_len,
6024                          (ip6_address_t *)&mp->ip6_src, mp->ip6_src_prefix_len,
6025                          mp->ea_bits_len, mp->psid_offset, mp->psid_length, &index, ntohs(mp->mtu), flags);
6026
6027   REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY,
6028                ({
6029                  rmp->index = ntohl(index);
6030                }));
6031 }
6032
6033 static void
6034 vl_api_map_del_domain_t_handler
6035 (vl_api_map_del_domain_t * mp)
6036 {
6037   vl_api_map_del_domain_reply_t * rmp;
6038   int rv = 0;
6039
6040   rv = map_delete_domain(ntohl(mp->index));
6041
6042   REPLY_MACRO(VL_API_MAP_DEL_DOMAIN_REPLY);
6043 }
6044
6045 static void
6046 vl_api_map_add_del_rule_t_handler
6047 (vl_api_map_add_del_rule_t * mp)
6048 {
6049   vl_api_map_del_domain_reply_t * rmp;
6050   int rv = 0;
6051
6052   rv = map_add_del_psid(ntohl(mp->index), ntohs(mp->psid), (ip6_address_t *)mp->ip6_dst, mp->is_add);
6053
6054   REPLY_MACRO(VL_API_MAP_ADD_DEL_RULE_REPLY);
6055 }
6056
6057 static void
6058 vl_api_map_domain_dump_t_handler
6059 (vl_api_map_domain_dump_t * mp)
6060 {
6061   vl_api_map_domain_details_t * rmp;
6062   map_main_t *mm = &map_main;
6063   map_domain_t *d;
6064   unix_shared_memory_queue_t * q;
6065
6066   if (pool_elts (mm->domains) == 0)
6067       return;
6068
6069   q = vl_api_client_index_to_input_queue (mp->client_index);
6070   if (q == 0) {
6071     return;
6072   }
6073
6074   pool_foreach(d, mm->domains, ({
6075     /* Make sure every field is initiated (or don't skip the memset()) */
6076     rmp = vl_msg_api_alloc (sizeof (*rmp));
6077     rmp->_vl_msg_id = ntohs(VL_API_MAP_DOMAIN_DETAILS);
6078     rmp->domain_index = htonl(d - mm->domains);
6079     rmp->ea_bits_len = d->ea_bits_len;
6080     rmp->psid_offset = d->psid_offset;
6081     rmp->psid_length = d->psid_length;
6082     clib_memcpy(rmp->ip4_prefix, &d->ip4_prefix, sizeof(rmp->ip4_prefix));
6083     rmp->ip4_prefix_len = d->ip4_prefix_len;
6084     clib_memcpy(rmp->ip6_prefix, &d->ip6_prefix, sizeof(rmp->ip6_prefix));
6085     rmp->ip6_prefix_len = d->ip6_prefix_len;
6086     clib_memcpy(rmp->ip6_src, &d->ip6_src, sizeof(rmp->ip6_src));
6087     rmp->ip6_src_len = d->ip6_src_len;
6088     rmp->mtu = htons(d->mtu);
6089     rmp->is_translation = (d->flags & MAP_DOMAIN_TRANSLATION);
6090     rmp->context = mp->context;
6091
6092     vl_msg_api_send_shmem (q, (u8 *)&rmp);
6093   }));
6094 }
6095
6096 static void
6097 vl_api_map_rule_dump_t_handler
6098 (vl_api_map_rule_dump_t * mp)
6099 {
6100   unix_shared_memory_queue_t * q;
6101   u16 i;
6102   ip6_address_t dst;
6103   vl_api_map_rule_details_t * rmp;
6104   map_main_t *mm = &map_main;
6105   u32 domain_index = ntohl(mp->domain_index);
6106   map_domain_t *d;
6107
6108   if (pool_elts (mm->domains) == 0)
6109    return;
6110
6111   d = pool_elt_at_index(mm->domains, domain_index);
6112   if (!d || !d->rules) {
6113     return;
6114   }
6115
6116   q = vl_api_client_index_to_input_queue (mp->client_index);
6117   if (q == 0) {
6118     return;
6119   }
6120
6121   for (i = 0; i < (0x1 << d->psid_length); i++) {
6122     dst = d->rules[i];
6123     if (dst.as_u64[0] == 0 && dst.as_u64[1] == 0) {
6124       continue;
6125     }
6126     rmp = vl_msg_api_alloc(sizeof(*rmp));
6127     memset(rmp, 0, sizeof(*rmp));
6128     rmp->_vl_msg_id = ntohs(VL_API_MAP_RULE_DETAILS);
6129     rmp->psid = htons(i);
6130     clib_memcpy(rmp->ip6_dst, &dst, sizeof(rmp->ip6_dst));
6131     rmp->context = mp->context;
6132     vl_msg_api_send_shmem(q, (u8 *)&rmp);
6133   }
6134 }
6135
6136 static void
6137 vl_api_map_summary_stats_t_handler (
6138     vl_api_map_summary_stats_t *mp)
6139 {
6140     vl_api_map_summary_stats_reply_t *rmp;
6141     vlib_combined_counter_main_t *cm;
6142     vlib_counter_t v;
6143     int i, which;
6144     u64 total_pkts[VLIB_N_RX_TX];
6145     u64 total_bytes[VLIB_N_RX_TX];
6146     map_main_t *mm = &map_main;
6147     unix_shared_memory_queue_t *q =
6148         vl_api_client_index_to_input_queue(mp->client_index);
6149
6150     if (!q)
6151         return;
6152
6153     rmp = vl_msg_api_alloc (sizeof (*rmp));
6154     rmp->_vl_msg_id = ntohs(VL_API_MAP_SUMMARY_STATS_REPLY);
6155     rmp->context = mp->context;
6156     rmp->retval = 0;
6157
6158     memset (total_pkts, 0, sizeof (total_pkts));
6159     memset (total_bytes, 0, sizeof (total_bytes));
6160
6161     map_domain_counter_lock (mm);
6162     vec_foreach(cm, mm->domain_counters) {
6163       which = cm - mm->domain_counters;
6164
6165       for (i = 0; i < vec_len(cm->maxi); i++) {
6166         vlib_get_combined_counter (cm, i, &v);
6167         total_pkts[which] += v.packets;
6168         total_bytes[which] += v.bytes;
6169       }
6170     }
6171
6172     map_domain_counter_unlock (mm);
6173
6174     /* Note: in network byte order! */
6175     rmp->total_pkts[MAP_DOMAIN_COUNTER_RX] = clib_host_to_net_u64(total_pkts[MAP_DOMAIN_COUNTER_RX]);
6176     rmp->total_bytes[MAP_DOMAIN_COUNTER_RX] = clib_host_to_net_u64(total_bytes[MAP_DOMAIN_COUNTER_RX]);
6177     rmp->total_pkts[MAP_DOMAIN_COUNTER_TX] = clib_host_to_net_u64(total_pkts[MAP_DOMAIN_COUNTER_TX]);
6178     rmp->total_bytes[MAP_DOMAIN_COUNTER_TX] = clib_host_to_net_u64(total_bytes[MAP_DOMAIN_COUNTER_TX]);
6179     rmp->total_bindings = clib_host_to_net_u64(pool_elts(mm->domains));
6180     rmp->total_ip4_fragments = 0; // Not yet implemented. Should be a simple counter.
6181     rmp->total_security_check[MAP_DOMAIN_COUNTER_TX] = clib_host_to_net_u64(map_error_counter_get(ip4_map_node.index, MAP_ERROR_ENCAP_SEC_CHECK));
6182     rmp->total_security_check[MAP_DOMAIN_COUNTER_RX] = clib_host_to_net_u64(map_error_counter_get(ip4_map_node.index, MAP_ERROR_DECAP_SEC_CHECK));
6183
6184     vl_msg_api_send_shmem(q, (u8 *)&rmp);
6185 }
6186
6187 static void vl_api_ipsec_sa_set_key_t_handler
6188 (vl_api_ipsec_sa_set_key_t * mp)
6189 {
6190     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
6191     vl_api_ipsec_sa_set_key_reply_t *rmp;
6192     int rv;
6193 #if IPSEC > 0
6194     ipsec_sa_t sa;
6195     sa.id = ntohl(mp->sa_id);
6196     sa.crypto_key_len = mp->crypto_key_length;
6197     clib_memcpy(&sa.crypto_key, mp->crypto_key, sizeof(sa.crypto_key));
6198     sa.integ_key_len = mp->integrity_key_length;
6199     clib_memcpy(&sa.integ_key, mp->integrity_key, sizeof(sa.integ_key));
6200
6201     rv = ipsec_set_sa_key(vm, &sa);
6202 #else
6203     rv = VNET_API_ERROR_UNIMPLEMENTED;
6204 #endif
6205
6206     REPLY_MACRO(VL_API_IPSEC_SA_SET_KEY_REPLY);
6207 }
6208
6209 static void vl_api_cop_interface_enable_disable_t_handler
6210 (vl_api_cop_interface_enable_disable_t * mp)
6211 {
6212     vl_api_cop_interface_enable_disable_reply_t * rmp;
6213     int rv;
6214     u32 sw_if_index = ntohl(mp->sw_if_index);
6215     int enable_disable;
6216
6217     VALIDATE_SW_IF_INDEX(mp);
6218
6219     enable_disable = (int) mp->enable_disable;
6220
6221     rv = cop_interface_enable_disable (sw_if_index, enable_disable);
6222
6223     BAD_SW_IF_INDEX_LABEL;
6224
6225     REPLY_MACRO(VL_API_COP_INTERFACE_ENABLE_DISABLE_REPLY);
6226 }
6227
6228 static void vl_api_cop_whitelist_enable_disable_t_handler
6229 (vl_api_cop_whitelist_enable_disable_t * mp)
6230 {
6231     vl_api_cop_whitelist_enable_disable_reply_t * rmp;
6232     cop_whitelist_enable_disable_args_t _a, *a=&_a;
6233     u32 sw_if_index = ntohl(mp->sw_if_index);
6234     int rv;
6235
6236     VALIDATE_SW_IF_INDEX(mp);
6237
6238     a->sw_if_index = sw_if_index;
6239     a->ip4 = mp->ip4;
6240     a->ip6 = mp->ip6;
6241     a->default_cop = mp->default_cop;
6242     a->fib_id = ntohl(mp->fib_id);
6243
6244     rv = cop_whitelist_enable_disable (a);
6245
6246     BAD_SW_IF_INDEX_LABEL;
6247
6248     REPLY_MACRO(VL_API_COP_WHITELIST_ENABLE_DISABLE_REPLY);
6249 }
6250
6251 static void vl_api_get_node_graph_t_handler
6252 (vl_api_get_node_graph_t * mp)
6253 {
6254     int rv = 0;
6255     u8 * vector = 0;
6256     api_main_t * am = &api_main;
6257     vlib_main_t * vm = vlib_get_main();
6258     void * oldheap;
6259     vl_api_get_node_graph_reply_t * rmp;
6260
6261     pthread_mutex_lock (&am->vlib_rp->mutex);
6262     oldheap = svm_push_data_heap (am->vlib_rp);
6263
6264     /*
6265      * Keep the number of memcpy ops to a minimum (e.g. 1).
6266      */
6267     vec_validate (vector, 16384);
6268     vec_reset_length (vector);
6269
6270     /* $$$$ FIXME */
6271     vector = vlib_node_serialize (&vm->node_main, vector,
6272                                   (u32)~0 /* all threads */,
6273                                   1 /* include nexts */,
6274                                   1 /* include stats */);
6275
6276     svm_pop_heap (oldheap);
6277     pthread_mutex_unlock (&am->vlib_rp->mutex);
6278
6279     REPLY_MACRO2(VL_API_GET_NODE_GRAPH_REPLY,
6280                  rmp->reply_in_shmem = (uword) vector);
6281 }
6282
6283 static void vl_api_trace_profile_add_t_handler
6284 (vl_api_trace_profile_add_t *mp)
6285 {
6286     int rv = 0;
6287     vl_api_trace_profile_add_reply_t * rmp;
6288     clib_error_t *error;
6289
6290     /* Ignoring the profile id as currently a single profile
6291      * is supported */
6292     error = ip6_ioam_trace_profile_set(mp->trace_num_elt, mp->trace_type,
6293                                ntohl(mp->node_id), ntohl(mp->trace_app_data),
6294                                mp->pow_enable, mp->trace_tsp,
6295                                mp->trace_ppc);
6296     if (error) {
6297       clib_error_report(error);
6298       rv = clib_error_get_code(error);
6299     }
6300
6301     REPLY_MACRO(VL_API_TRACE_PROFILE_ADD_REPLY);
6302 }
6303
6304 static void vl_api_trace_profile_apply_t_handler
6305 (vl_api_trace_profile_apply_t *mp)
6306 {
6307     int rv = 0;
6308     vl_api_trace_profile_apply_reply_t * rmp;
6309
6310     if (mp->enable != 0) {
6311       rv = ip6_ioam_set_destination ((ip6_address_t *)(&mp->dest_ipv6),
6312                                 ntohl(mp->prefix_length),
6313                                 ntohl(mp->vrf_id),
6314                         mp->trace_op == IOAM_HBYH_ADD,
6315                         mp->trace_op == IOAM_HBYH_POP,
6316                         mp->trace_op == IOAM_HBYH_MOD);
6317     } else {
6318       //ip6_ioam_clear_destination(&ip6, mp->prefix_length, mp->vrf_id);
6319     }
6320     REPLY_MACRO(VL_API_TRACE_PROFILE_APPLY_REPLY);
6321 }
6322
6323 static void vl_api_trace_profile_del_t_handler
6324 (vl_api_trace_profile_del_t *mp)
6325 {
6326     int rv = 0;
6327     vl_api_trace_profile_del_reply_t * rmp;
6328     clib_error_t *error;
6329
6330     error = clear_ioam_rewrite_fn();
6331     if (error) {
6332       clib_error_report(error);
6333       rv = clib_error_get_code(error);
6334     }
6335
6336     REPLY_MACRO(VL_API_TRACE_PROFILE_DEL_REPLY);
6337 }
6338
6339 static void
6340 vl_api_af_packet_create_t_handler
6341 (vl_api_af_packet_create_t *mp)
6342 {
6343     vlib_main_t *vm = vlib_get_main();
6344     vl_api_af_packet_create_reply_t *rmp;
6345     int rv = 0;
6346     u8 *host_if_name = NULL;
6347     u32 sw_if_index;
6348
6349     host_if_name = format(0, "%s", mp->host_if_name);
6350     vec_add1 (host_if_name, 0);
6351
6352     rv = af_packet_create_if(vm, host_if_name,
6353                              mp->use_random_hw_addr ? 0 : mp->hw_addr, &sw_if_index);
6354
6355     vec_free(host_if_name);
6356
6357     REPLY_MACRO2(VL_API_AF_PACKET_CREATE_REPLY,
6358                  rmp->sw_if_index = clib_host_to_net_u32(sw_if_index));
6359 }
6360
6361 static void
6362 vl_api_af_packet_delete_t_handler
6363 (vl_api_af_packet_delete_t *mp)
6364 {
6365     vlib_main_t * vm = vlib_get_main();
6366     vl_api_af_packet_delete_reply_t *rmp;
6367     int rv = 0;
6368     u8 *host_if_name = NULL;
6369
6370     host_if_name = format(0, "%s", mp->host_if_name);
6371     vec_add1 (host_if_name, 0);
6372
6373     rv = af_packet_delete_if(vm, host_if_name);
6374
6375     vec_free(host_if_name);
6376
6377     REPLY_MACRO(VL_API_AF_PACKET_DELETE_REPLY);
6378 }
6379
6380 static void
6381 vl_api_policer_add_del_t_handler
6382 (vl_api_policer_add_del_t *mp)
6383 {
6384     vlib_main_t * vm = vlib_get_main();
6385     vl_api_policer_add_del_reply_t *rmp;
6386     int rv = 0;
6387     u8 *name = NULL;
6388     sse2_qos_pol_cfg_params_st cfg;
6389     clib_error_t * error;
6390
6391     name = format(0, "%s", mp->name);
6392
6393     memset (&cfg, 0, sizeof (cfg));
6394     cfg.rfc = mp->type;
6395     cfg.rnd_type = mp->round_type;
6396     cfg.rate_type = mp->rate_type;
6397     cfg.rb.kbps.cir_kbps = mp->cir;
6398     cfg.rb.kbps.eir_kbps = mp->eir;
6399     cfg.rb.kbps.cb_bytes = mp->cb;
6400     cfg.rb.kbps.eb_bytes = mp->eb;
6401     cfg.conform_action.action_type = mp->conform_action_type;
6402     cfg.conform_action.dscp = mp->conform_dscp;
6403     cfg.exceed_action.action_type = mp->exceed_action_type;
6404     cfg.exceed_action.dscp = mp->exceed_dscp;
6405     cfg.violate_action.action_type = mp->violate_action_type;
6406     cfg.violate_action.dscp = mp->violate_dscp;
6407
6408     error = policer_add_del(vm, name, &cfg, mp->is_add);
6409
6410     if (error)
6411       rv = VNET_API_ERROR_UNSPECIFIED;
6412
6413     REPLY_MACRO(VL_API_POLICER_ADD_DEL_REPLY);
6414 }
6415
6416 static void
6417 send_policer_details (u8 *name,
6418                       sse2_qos_pol_cfg_params_st *config,
6419                       policer_read_response_type_st *templ,
6420                       unix_shared_memory_queue_t *q,
6421                       u32 context)
6422 {
6423     vl_api_policer_details_t * mp;
6424
6425     mp = vl_msg_api_alloc (sizeof (*mp));
6426     memset (mp, 0, sizeof (*mp));
6427     mp->_vl_msg_id = ntohs (VL_API_POLICER_DETAILS);
6428     mp->context = context;
6429     mp->cir = htonl(config->rb.kbps.cir_kbps);
6430     mp->eir = htonl(config->rb.kbps.eir_kbps);
6431     mp->cb = htonl(config->rb.kbps.cb_bytes);
6432     mp->eb = htonl(config->rb.kbps.eb_bytes);
6433     mp->rate_type = config->rate_type;
6434     mp->round_type = config->rnd_type;
6435     mp->type = config->rfc;
6436     mp->conform_action_type = config->conform_action.action_type;
6437     mp->conform_dscp = config->conform_action.dscp;
6438     mp->exceed_action_type = config->exceed_action.action_type;
6439     mp->exceed_dscp = config->exceed_action.dscp;
6440     mp->violate_action_type = config->violate_action.action_type;
6441     mp->violate_dscp = config->violate_action.dscp;
6442     mp->single_rate = templ->single_rate ? 1 : 0;
6443     mp->color_aware = templ->color_aware ? 1 : 0;
6444     mp->scale = htonl(templ->scale);
6445     mp->cir_tokens_per_period = htonl(templ->cir_tokens_per_period);
6446     mp->pir_tokens_per_period = htonl(templ->pir_tokens_per_period);
6447     mp->current_limit = htonl(templ->current_limit);
6448     mp->current_bucket = htonl(templ->current_bucket);
6449     mp->extended_limit = htonl(templ->extended_limit);
6450     mp->extended_bucket = htonl(templ->extended_bucket);
6451     mp->last_update_time = clib_host_to_net_u64(templ->last_update_time);
6452
6453     strncpy ((char *) mp->name, (char *) name, ARRAY_LEN(mp->name) - 1);
6454
6455     vl_msg_api_send_shmem (q, (u8 *)&mp);
6456 }
6457
6458 static void
6459 vl_api_policer_dump_t_handler
6460 (vl_api_policer_dump_t *mp)
6461 {
6462     unix_shared_memory_queue_t * q;
6463     vnet_policer_main_t * pm = &vnet_policer_main;
6464     hash_pair_t * hp;
6465     uword * p;
6466     u32 pool_index;
6467     u8 * match_name = 0;
6468     u8 * name;
6469     sse2_qos_pol_cfg_params_st *config;
6470     policer_read_response_type_st *templ;
6471
6472     q = vl_api_client_index_to_input_queue (mp->client_index);
6473     if (q == 0)
6474         return;
6475
6476     if (mp->match_name_valid) {
6477         match_name = format(0, "%s%c", mp->match_name, 0);
6478     }
6479
6480     if (mp->match_name_valid) {
6481         p = hash_get_mem (pm->policer_config_by_name, match_name);
6482         if (p) {
6483             pool_index = p[0];
6484             config = pool_elt_at_index (pm->configs, pool_index);
6485             templ = pool_elt_at_index (pm->policer_templates, pool_index);
6486             send_policer_details(match_name, config, templ, q, mp->context);
6487         }
6488     } else {
6489         hash_foreach_pair (hp, pm->policer_config_by_name,
6490         ({
6491             name = (u8 *) hp->key;
6492             pool_index = hp->value[0];
6493             config = pool_elt_at_index (pm->configs, pool_index);
6494             templ = pool_elt_at_index (pm->policer_templates, pool_index);
6495             send_policer_details(name, config, templ, q, mp->context);
6496         }));
6497     }
6498 }
6499
6500 static void
6501 vl_api_netmap_create_t_handler
6502 (vl_api_netmap_create_t *mp)
6503 {
6504     vlib_main_t *vm = vlib_get_main();
6505     vl_api_netmap_create_reply_t *rmp;
6506     int rv = 0;
6507     u8 *if_name = NULL;
6508
6509     if_name = format(0, "%s", mp->netmap_if_name);
6510     vec_add1 (if_name, 0);
6511
6512     rv = netmap_create_if(vm, if_name, mp->use_random_hw_addr ? 0 : mp->hw_addr,
6513                           mp->is_pipe, mp->is_master, 0);
6514
6515     vec_free(if_name);
6516
6517     REPLY_MACRO(VL_API_NETMAP_CREATE_REPLY);
6518 }
6519
6520 static void
6521 vl_api_netmap_delete_t_handler
6522 (vl_api_netmap_delete_t *mp)
6523 {
6524     vlib_main_t * vm = vlib_get_main();
6525     vl_api_netmap_delete_reply_t *rmp;
6526     int rv = 0;
6527     u8 *if_name = NULL;
6528
6529     if_name = format(0, "%s", mp->netmap_if_name);
6530     vec_add1 (if_name, 0);
6531
6532     rv = netmap_delete_if(vm, if_name);
6533
6534     vec_free(if_name);
6535
6536     REPLY_MACRO(VL_API_NETMAP_DELETE_REPLY);
6537 }
6538
6539 static void vl_api_mpls_gre_tunnel_details_t_handler (
6540     vl_api_mpls_gre_tunnel_details_t * mp)
6541 {
6542     clib_warning ("BUG");
6543 }
6544
6545 static void send_mpls_gre_tunnel_entry (vpe_api_main_t * am,
6546                                     unix_shared_memory_queue_t *q,
6547                                     mpls_gre_tunnel_t * gt,
6548                                     u32 index,
6549                                     u32 context)
6550 {
6551     vl_api_mpls_gre_tunnel_details_t * mp;
6552
6553     mp = vl_msg_api_alloc (sizeof (*mp));
6554     memset (mp, 0, sizeof (*mp));
6555     mp->_vl_msg_id = ntohs(VL_API_MPLS_GRE_TUNNEL_DETAILS);
6556     mp->context = context;
6557
6558     if (gt != NULL) {
6559         mp->tunnel_index    = htonl(index);
6560         mp->tunnel_src      = gt->tunnel_src.as_u32;
6561         mp->tunnel_dst      = gt->tunnel_dst.as_u32;
6562         mp->intfc_address   = gt->intfc_address.as_u32;
6563         mp->mask_width      = htonl(gt->mask_width);
6564         mp->inner_fib_index = htonl(gt->inner_fib_index);
6565         mp->outer_fib_index = htonl(gt->outer_fib_index);
6566         mp->encap_index     = htonl(gt->encap_index);
6567         mp->hw_if_index     = htonl(gt->hw_if_index);
6568         mp->l2_only         = htonl(gt->l2_only);
6569     }
6570
6571     mpls_main_t * mm = &mpls_main;
6572     mpls_encap_t * e;
6573     int i;
6574     u32 len = 0;
6575
6576     e = pool_elt_at_index (mm->encaps, gt->encap_index);
6577     len = vec_len (e->labels);
6578     mp->nlabels = htonl(len);
6579
6580     for (i = 0; i < len; i++) {
6581         mp->labels[i] = htonl(vnet_mpls_uc_get_label(
6582                 clib_host_to_net_u32(e->labels[i].label_exp_s_ttl)));
6583     }
6584
6585     vl_msg_api_send_shmem (q, (u8 *)&mp);
6586 }
6587
6588 static void
6589 vl_api_mpls_gre_tunnel_dump_t_handler (vl_api_mpls_gre_tunnel_dump_t *mp)
6590 {
6591     vpe_api_main_t * am = &vpe_api_main;
6592     unix_shared_memory_queue_t * q;
6593     vlib_main_t * vm = &vlib_global_main;
6594     mpls_main_t * mm = &mpls_main;
6595     mpls_gre_tunnel_t * gt;
6596     u32 index = ntohl(mp->tunnel_index);
6597
6598     q = vl_api_client_index_to_input_queue (mp->client_index);
6599     if (q == 0)
6600         return;
6601
6602     if (pool_elts (mm->gre_tunnels)) {
6603         if(mp->tunnel_index >= 0) {
6604             vlib_cli_output (vm, "MPLS-GRE tunnel %u", index);
6605             gt = pool_elt_at_index (mm->gre_tunnels, index);
6606             send_mpls_gre_tunnel_entry (am, q, gt, gt - mm->gre_tunnels, mp->context);
6607         } else {
6608             vlib_cli_output (vm, "MPLS-GRE tunnels");
6609             pool_foreach (gt, mm->gre_tunnels,
6610             ({
6611               send_mpls_gre_tunnel_entry (am, q, gt, gt - mm->gre_tunnels, mp->context);
6612             }));
6613         }
6614     } else {
6615         vlib_cli_output (vm, "No MPLS-GRE tunnels");
6616     }
6617 }
6618
6619 static void vl_api_mpls_eth_tunnel_details_t_handler (
6620     vl_api_mpls_eth_tunnel_details_t * mp)
6621 {
6622     clib_warning ("BUG");
6623 }
6624
6625 static void send_mpls_eth_tunnel_entry (vpe_api_main_t * am,
6626                                     unix_shared_memory_queue_t *q,
6627                                     mpls_eth_tunnel_t * et,
6628                                     u32 index,
6629                                     u32 context)
6630 {
6631     vl_api_mpls_eth_tunnel_details_t * mp;
6632
6633     mp = vl_msg_api_alloc (sizeof (*mp));
6634     memset (mp, 0, sizeof (*mp));
6635     mp->_vl_msg_id = ntohs(VL_API_MPLS_ETH_TUNNEL_DETAILS);
6636     mp->context = context;
6637
6638     if (et != NULL) {
6639         mp->tunnel_index    = htonl(index);
6640         memcpy(mp->tunnel_dst_mac, et->tunnel_dst, 6);
6641         mp->intfc_address   = et->intfc_address.as_u32;
6642         mp->tx_sw_if_index  = htonl(et->tx_sw_if_index);
6643         mp->inner_fib_index = htonl(et->inner_fib_index);
6644         mp->mask_width      = htonl(et->mask_width);
6645         mp->encap_index     = htonl(et->encap_index);
6646         mp->hw_if_index     = htonl(et->hw_if_index);
6647         mp->l2_only         = htonl(et->l2_only);
6648     }
6649
6650     mpls_main_t * mm = &mpls_main;
6651     mpls_encap_t * e;
6652     int i;
6653     u32 len = 0;
6654
6655     e = pool_elt_at_index (mm->encaps, et->encap_index);
6656     len = vec_len (e->labels);
6657     mp->nlabels = htonl(len);
6658
6659     for (i = 0; i < len; i++) {
6660         mp->labels[i] = htonl(vnet_mpls_uc_get_label(
6661                 clib_host_to_net_u32(e->labels[i].label_exp_s_ttl)));
6662     }
6663
6664     vl_msg_api_send_shmem (q, (u8 *)&mp);
6665 }
6666
6667 static void
6668 vl_api_mpls_eth_tunnel_dump_t_handler (vl_api_mpls_eth_tunnel_dump_t *mp)
6669 {
6670     vpe_api_main_t * am = &vpe_api_main;
6671     unix_shared_memory_queue_t * q;
6672     vlib_main_t * vm = &vlib_global_main;
6673     mpls_main_t * mm = &mpls_main;
6674     mpls_eth_tunnel_t * et;
6675     u32 index = ntohl(mp->tunnel_index);
6676
6677     q = vl_api_client_index_to_input_queue (mp->client_index);
6678     if (q == 0)
6679         return;
6680
6681     clib_warning("Received mpls_eth_tunnel_dump");
6682     clib_warning("Received tunnel index: %u from client %u", index, mp->client_index);
6683
6684     if (pool_elts (mm->eth_tunnels)) {
6685         if(mp->tunnel_index >= 0) {
6686             vlib_cli_output (vm, "MPLS-Ethernet tunnel %u", index);
6687             et = pool_elt_at_index (mm->eth_tunnels, index);
6688             send_mpls_eth_tunnel_entry (am, q, et, et - mm->eth_tunnels, mp->context);
6689         } else {
6690             clib_warning("MPLS-Ethernet tunnels");
6691             pool_foreach (et, mm->eth_tunnels,
6692             ({
6693                 send_mpls_eth_tunnel_entry (am, q, et, et - mm->eth_tunnels, mp->context);
6694             }));
6695         }
6696     } else {
6697         clib_warning("No MPLS-Ethernet tunnels");
6698     }
6699 }
6700
6701 static void vl_api_mpls_fib_encap_details_t_handler (
6702     vl_api_mpls_fib_encap_details_t * mp)
6703 {
6704     clib_warning ("BUG");
6705 }
6706
6707 static void send_mpls_fib_encap_details (vpe_api_main_t * am,
6708                                     unix_shared_memory_queue_t *q,
6709                                     show_mpls_fib_t *s,
6710                                     u32 context)
6711 {
6712     vl_api_mpls_fib_encap_details_t * mp;
6713
6714     mp = vl_msg_api_alloc (sizeof (*mp));
6715     memset (mp, 0, sizeof (*mp));
6716     mp->_vl_msg_id = ntohs(VL_API_MPLS_FIB_ENCAP_DETAILS);
6717     mp->context = context;
6718
6719     mp->fib_index   = htonl(s->fib_index);
6720     mp->entry_index = htonl(s->entry_index);
6721     mp->dest        = s->dest;
6722     mp->s_bit       = htonl(s->s_bit);
6723
6724     mpls_main_t * mm = &mpls_main;
6725     mpls_encap_t * e;
6726     int i;
6727     u32 len = 0;
6728
6729     e = pool_elt_at_index (mm->encaps, s->entry_index);
6730     len = vec_len (e->labels);
6731     mp->nlabels = htonl(len);
6732
6733     for (i = 0; i < len; i++) {
6734         mp->labels[i] = htonl(vnet_mpls_uc_get_label(
6735                 clib_host_to_net_u32(e->labels[i].label_exp_s_ttl)));
6736     }
6737
6738     vl_msg_api_send_shmem (q, (u8 *)&mp);
6739 }
6740
6741 static void
6742 vl_api_mpls_fib_encap_dump_t_handler (vl_api_mpls_fib_encap_dump_t *mp)
6743 {
6744     vpe_api_main_t * am = &vpe_api_main;
6745     unix_shared_memory_queue_t * q;
6746     vlib_main_t * vm = &vlib_global_main;
6747     u64 key;
6748     u32 value;
6749     show_mpls_fib_t *records = 0;
6750     show_mpls_fib_t *s;
6751     mpls_main_t * mm = &mpls_main;
6752     ip4_main_t * im = &ip4_main;
6753     ip4_fib_t * rx_fib;
6754
6755     q = vl_api_client_index_to_input_queue (mp->client_index);
6756     if (q == 0)
6757         return;
6758
6759     hash_foreach (key, value, mm->mpls_encap_by_fib_and_dest,
6760     ({
6761         vec_add2 (records, s, 1);
6762         s->fib_index = (u32)(key>>32);
6763         s->dest = (u32)(key & 0xFFFFFFFF);
6764         s->entry_index = (u32) value;
6765     }));
6766
6767     if (0 == vec_len(records)) {
6768         vlib_cli_output(vm, "MPLS encap table empty");
6769         goto out;
6770     }
6771
6772     /* sort output by dst address within fib */
6773     vec_sort_with_function(records, mpls_dest_cmp);
6774     vec_sort_with_function(records, mpls_fib_index_cmp);
6775     vlib_cli_output(vm, "MPLS encap table");
6776     vlib_cli_output(vm, "%=6s%=16s%=16s", "Table", "Dest address", "Labels");
6777     vec_foreach (s, records)
6778     {
6779         rx_fib = vec_elt_at_index(im->fibs, s->fib_index);
6780         vlib_cli_output(vm, "%=6d%=16U%=16U", rx_fib->table_id,
6781                 format_ip4_address, &s->dest, format_mpls_encap_index, mm,
6782                 s->entry_index);
6783         send_mpls_fib_encap_details (am, q, s, mp->context);
6784     }
6785
6786 out:
6787     vec_free(records);
6788 }
6789
6790 static void vl_api_mpls_fib_decap_details_t_handler (
6791     vl_api_mpls_fib_decap_details_t * mp)
6792 {
6793     clib_warning ("BUG");
6794 }
6795
6796 static void send_mpls_fib_decap_details (vpe_api_main_t * am,
6797                                     unix_shared_memory_queue_t *q,
6798                                     show_mpls_fib_t *s,
6799                                     u32 rx_table_id,
6800                                     u32 tx_table_id,
6801                                     char *swif_tag,
6802                                     u32 context)
6803 {
6804     vl_api_mpls_fib_decap_details_t * mp;
6805
6806     mp = vl_msg_api_alloc (sizeof (*mp));
6807     memset (mp, 0, sizeof (*mp));
6808     mp->_vl_msg_id = ntohs(VL_API_MPLS_FIB_DECAP_DETAILS);
6809     mp->context = context;
6810
6811     mp->fib_index   = htonl(s->fib_index);
6812     mp->entry_index = htonl(s->entry_index);
6813     mp->dest        = s->dest;
6814     mp->s_bit       = htonl(s->s_bit);
6815     mp->label       = htonl(s->label);
6816     mp->rx_table_id = htonl(rx_table_id);
6817     mp->tx_table_id = htonl(tx_table_id);
6818     strncpy ((char *) mp->swif_tag,
6819              (char *) swif_tag, ARRAY_LEN(mp->swif_tag)-1);
6820
6821     vl_msg_api_send_shmem (q, (u8 *)&mp);
6822 }
6823
6824 static void
6825 vl_api_mpls_fib_decap_dump_t_handler (vl_api_mpls_fib_decap_dump_t *mp)
6826 {
6827     vpe_api_main_t * am = &vpe_api_main;
6828     unix_shared_memory_queue_t * q;
6829     vlib_main_t * vm = &vlib_global_main;
6830     u64 key;
6831     u32 value;
6832     show_mpls_fib_t *records = 0;
6833     show_mpls_fib_t *s;
6834     mpls_main_t * mm = &mpls_main;
6835     ip4_main_t * im = &ip4_main;
6836     ip4_fib_t * rx_fib;
6837     ip4_fib_t *tx_fib;
6838     u32 tx_table_id;
6839     char *swif_tag;
6840
6841     q = vl_api_client_index_to_input_queue (mp->client_index);
6842     if (q == 0)
6843         return;
6844
6845     hash_foreach (key, value, mm->mpls_decap_by_rx_fib_and_label,
6846     ({
6847         vec_add2 (records, s, 1);
6848         s->fib_index = (u32)(key>>32);
6849         s->entry_index = (u32) value;
6850         s->label = ((u32) key)>>12;
6851         s->s_bit = (key & (1<<8)) != 0;
6852     }));
6853
6854     if (!vec_len(records)) {
6855         vlib_cli_output(vm, "MPLS decap table empty");
6856         goto out;
6857     }
6858
6859     vec_sort_with_function(records, mpls_label_cmp);
6860     vlib_cli_output(vm, "MPLS decap table");
6861     vlib_cli_output(vm, "%=10s%=15s%=6s%=6s", "RX Table", "TX Table/Intfc",
6862             "Label", "S-bit");
6863     vec_foreach (s, records)
6864     {
6865         mpls_decap_t * d;
6866         d = pool_elt_at_index(mm->decaps, s->entry_index);
6867         if (d->next_index == MPLS_INPUT_NEXT_IP4_INPUT) {
6868             tx_fib = vec_elt_at_index(im->fibs, d->tx_fib_index);
6869             tx_table_id = tx_fib->table_id;
6870             swif_tag = "     ";
6871         } else {
6872             tx_table_id = d->tx_fib_index;
6873             swif_tag = "(i)  ";
6874         }
6875         rx_fib = vec_elt_at_index(im->fibs, s->fib_index);
6876
6877         vlib_cli_output(vm, "%=10d%=10d%=5s%=6d%=6d", rx_fib->table_id,
6878                 tx_table_id, swif_tag, s->label, s->s_bit);
6879
6880         send_mpls_fib_decap_details (am, q, s, rx_fib->table_id,
6881                 tx_table_id, swif_tag, mp->context);
6882     }
6883
6884 out:
6885     vec_free(records);
6886 }
6887
6888 static void vl_api_classify_table_ids_t_handler (vl_api_classify_table_ids_t *mp)
6889 {
6890     unix_shared_memory_queue_t * q;
6891
6892     q = vl_api_client_index_to_input_queue (mp->client_index);
6893     if (q == 0)
6894         return;
6895
6896     vnet_classify_main_t * cm = &vnet_classify_main;
6897     vnet_classify_table_t * t;
6898     u32 * table_ids = 0;
6899     u32 count;
6900
6901     pool_foreach (t, cm->tables,
6902     ({
6903         vec_add1 (table_ids, ntohl(t - cm->tables));
6904     }));
6905     count = vec_len(table_ids);
6906
6907     vl_api_classify_table_ids_reply_t *rmp;
6908     rmp = vl_msg_api_alloc_as_if_client(sizeof (*rmp) + count);
6909     rmp->_vl_msg_id = ntohs (VL_API_CLASSIFY_TABLE_IDS_REPLY);
6910     rmp->context = mp->context;
6911     rmp->count = ntohl(count);
6912     clib_memcpy(rmp->ids, table_ids, count * sizeof(u32));
6913     rmp->retval = 0;
6914
6915     vl_msg_api_send_shmem (q, (u8 *)&rmp);
6916
6917     vec_free (table_ids);
6918 }
6919
6920 static void vl_api_classify_table_by_interface_t_handler (vl_api_classify_table_by_interface_t *mp)
6921 {
6922     vl_api_classify_table_by_interface_reply_t *rmp;
6923     int rv = 0;
6924
6925     u32 sw_if_index = ntohl(mp->sw_if_index);
6926     u32 * acl = 0;
6927
6928     vec_validate (acl, INPUT_ACL_N_TABLES - 1);
6929     vec_set (acl, ~0);
6930
6931     VALIDATE_SW_IF_INDEX(mp);
6932
6933     input_acl_main_t * am = &input_acl_main;
6934
6935     int if_idx;
6936     u32 type;
6937
6938     for (type = 0; type < INPUT_ACL_N_TABLES; type++)
6939     {
6940         u32 * vec_tbl = am->classify_table_index_by_sw_if_index[type];
6941                 if (vec_len(vec_tbl)) {
6942                         for (if_idx = 0; if_idx < vec_len (vec_tbl); if_idx++)
6943                         {
6944                             if (vec_elt(vec_tbl, if_idx) == ~0 || sw_if_index != if_idx) {
6945                                     continue;
6946                             }
6947                             acl[type] = vec_elt(vec_tbl, if_idx);
6948                         }
6949                 }
6950     }
6951
6952     BAD_SW_IF_INDEX_LABEL;
6953
6954     REPLY_MACRO2(VL_API_CLASSIFY_TABLE_BY_INTERFACE_REPLY,
6955     ({
6956        rmp->sw_if_index = ntohl(sw_if_index);
6957        rmp->l2_table_id = ntohl(acl[INPUT_ACL_TABLE_L2]);
6958        rmp->ip4_table_id = ntohl(acl[INPUT_ACL_TABLE_IP4]);
6959        rmp->ip6_table_id = ntohl(acl[INPUT_ACL_TABLE_IP6]);
6960     }));
6961     vec_free(acl);
6962 }
6963
6964 static void vl_api_classify_table_info_t_handler (vl_api_classify_table_info_t *mp)
6965 {
6966     unix_shared_memory_queue_t * q;
6967
6968     q = vl_api_client_index_to_input_queue (mp->client_index);
6969     if (q == 0)
6970         return;
6971
6972     vl_api_classify_table_info_reply_t *rmp = 0;
6973
6974     vnet_classify_main_t * cm = &vnet_classify_main;
6975     u32 table_id = ntohl(mp->table_id);
6976     vnet_classify_table_t * t;
6977
6978     pool_foreach (t, cm->tables,
6979     ({
6980         if (table_id == t - cm->tables) {
6981             rmp = vl_msg_api_alloc_as_if_client(sizeof (*rmp) + t->match_n_vectors * sizeof (u32x4));
6982             rmp->_vl_msg_id = ntohs (VL_API_CLASSIFY_TABLE_INFO_REPLY);
6983             rmp->context = mp->context;
6984             rmp->table_id = ntohl(table_id);
6985             rmp->nbuckets = ntohl(t->nbuckets);
6986             rmp->match_n_vectors = ntohl(t->match_n_vectors);
6987             rmp->skip_n_vectors = ntohl(t->skip_n_vectors);
6988             rmp->active_sessions = ntohl(t->active_elements);
6989             rmp->next_table_index = ntohl(t->next_table_index);
6990             rmp->miss_next_index = ntohl(t->miss_next_index);
6991             rmp->mask_length = ntohl(t->match_n_vectors * sizeof (u32x4));
6992             clib_memcpy(rmp->mask, t->mask, t->match_n_vectors * sizeof(u32x4));
6993             rmp->retval = 0;
6994             break;
6995         }
6996     }));
6997
6998     if (rmp == 0) {
6999         rmp = vl_msg_api_alloc (sizeof (*rmp));
7000         rmp->_vl_msg_id = ntohs((VL_API_CLASSIFY_TABLE_INFO_REPLY));
7001         rmp->context = mp->context;
7002         rmp->retval = ntohl(VNET_API_ERROR_CLASSIFY_TABLE_NOT_FOUND);
7003     }
7004
7005     vl_msg_api_send_shmem (q, (u8 *)&rmp);
7006 }
7007
7008 static void vl_api_classify_session_details_t_handler (vl_api_classify_session_details_t * mp)
7009 {
7010     clib_warning ("BUG");
7011 }
7012
7013 static void send_classify_session_details (unix_shared_memory_queue_t * q,
7014                                            u32 table_id,
7015                                            u32 match_length,
7016                                            vnet_classify_entry_t * e,
7017                                            u32 context)
7018 {
7019     vl_api_classify_session_details_t *rmp;
7020
7021     rmp = vl_msg_api_alloc (sizeof (*rmp));
7022     memset (rmp, 0, sizeof (*rmp));
7023     rmp->_vl_msg_id = ntohs(VL_API_CLASSIFY_SESSION_DETAILS);
7024     rmp->context = context;
7025     rmp->table_id = ntohl(table_id);
7026     rmp->hit_next_index = ntohl(e->next_index);
7027     rmp->advance = ntohl(e->advance);
7028     rmp->opaque_index = ntohl(e->opaque_index);
7029     rmp->match_length = ntohl(match_length);
7030     clib_memcpy(rmp->match, e->key, match_length);
7031
7032     vl_msg_api_send_shmem (q, (u8 *)&rmp);
7033 }
7034
7035 static void vl_api_classify_session_dump_t_handler (vl_api_classify_session_dump_t *mp)
7036 {
7037     vnet_classify_main_t * cm = &vnet_classify_main;
7038     unix_shared_memory_queue_t * q;
7039
7040     u32 table_id = ntohl(mp->table_id);
7041     vnet_classify_table_t * t;
7042
7043     q = vl_api_client_index_to_input_queue (mp->client_index);
7044
7045     pool_foreach (t, cm->tables,
7046     ({
7047         if (table_id == t - cm->tables) {
7048             vnet_classify_bucket_t * b;
7049             vnet_classify_entry_t * v, * save_v;
7050             int i, j, k;
7051
7052             for (i = 0; i < t->nbuckets; i++)
7053             {
7054                 b = &t->buckets [i];
7055                 if (b->offset == 0)
7056                    continue;
7057
7058                 save_v = vnet_classify_get_entry (t, b->offset);
7059                 for (j = 0; j < (1<<b->log2_pages); j++)
7060                 {
7061                         for (k = 0; k < t->entries_per_page; k++)
7062                         {
7063                             v = vnet_classify_entry_at_index (t, save_v, j*t->entries_per_page + k);
7064                             if (vnet_classify_entry_is_free (v))
7065                                 continue;
7066
7067                                 send_classify_session_details(q, table_id,
7068                                                 t->match_n_vectors * sizeof (u32x4), v, mp->context);
7069                         }
7070                 }
7071             }
7072             break;
7073         }
7074     }));
7075 }
7076
7077 static void vl_api_ipfix_enable_t_handler (vl_api_ipfix_enable_t *mp)
7078 {
7079     vlib_main_t *vm = vlib_get_main();
7080         flow_report_main_t * frm = &flow_report_main;
7081         vl_api_ipfix_enable_reply_t *rmp;
7082         ip4_address_t collector, src;
7083         u16 collector_port = UDP_DST_PORT_ipfix;
7084     u32 path_mtu;
7085     u32 template_interval;
7086         u32 fib_id;
7087         u32 fib_index = ~0;
7088         int rv = 0;
7089
7090     memcpy(collector.data, mp->collector_address, sizeof(collector.data));
7091     collector_port = ntohs(mp->collector_port);
7092     if (collector_port == (u16)~0)
7093         collector_port = UDP_DST_PORT_ipfix;
7094     memcpy(src.data, mp->src_address, sizeof(src.data));
7095     fib_id = ntohl(mp->vrf_id);
7096
7097     ip4_main_t * im = &ip4_main;
7098     uword * p = hash_get (im->fib_index_by_table_id, fib_id);
7099     if (! p) {
7100         rv = VNET_API_ERROR_NO_SUCH_FIB;
7101         goto out;
7102     }
7103     fib_index = p[0];
7104
7105     path_mtu = ntohl(mp->path_mtu);
7106     if (path_mtu == ~0)
7107         path_mtu = 512; // RFC 7011 section 10.3.3.
7108     template_interval = ntohl(mp->template_interval);
7109     if (template_interval == ~0)
7110         template_interval = 20;
7111
7112     if (collector.as_u32 == 0) {
7113         rv = VNET_API_ERROR_INVALID_VALUE;
7114         goto out;
7115     }
7116
7117     if (src.as_u32 == 0) {
7118         rv = VNET_API_ERROR_INVALID_VALUE;
7119         goto out;
7120     }
7121
7122     if (path_mtu > 1450 /* vpp does not support fragmentation */) {
7123         rv = VNET_API_ERROR_INVALID_VALUE;
7124         goto out;
7125     }
7126
7127     if (path_mtu < 68) {
7128         rv = VNET_API_ERROR_INVALID_VALUE;
7129         goto out;
7130     }
7131
7132     /* Reset report streams if we are reconfiguring IP addresses */
7133     if (frm->ipfix_collector.as_u32 != collector.as_u32 ||
7134         frm->src_address.as_u32 != src.as_u32 ||
7135         frm->collector_port != collector_port)
7136             vnet_flow_reports_reset(frm);
7137
7138     frm->ipfix_collector.as_u32 = collector.as_u32;
7139     frm->collector_port = collector_port;
7140     frm->src_address.as_u32 = src.as_u32;
7141     frm->fib_index = fib_index;
7142     frm->path_mtu = path_mtu;
7143     frm->template_interval = template_interval;
7144
7145     /* Turn on the flow reporting process */
7146     vlib_process_signal_event (vm, flow_report_process_node.index,
7147                                1, 0);
7148
7149 out:
7150     REPLY_MACRO(VL_API_IPFIX_ENABLE_REPLY);
7151 }
7152
7153 static void vl_api_ipfix_dump_t_handler (vl_api_ipfix_dump_t *mp)
7154 {
7155     flow_report_main_t * frm = &flow_report_main;
7156     unix_shared_memory_queue_t * q;
7157     vl_api_ipfix_details_t *rmp;
7158
7159     q = vl_api_client_index_to_input_queue (mp->client_index);
7160
7161     rmp = vl_msg_api_alloc (sizeof (*rmp));
7162     memset (rmp, 0, sizeof (*rmp));
7163     rmp->_vl_msg_id = ntohs(VL_API_IPFIX_DETAILS);
7164     rmp->context = mp->context;
7165     memcpy(rmp->collector_address, frm->ipfix_collector.data,
7166            sizeof(frm->ipfix_collector.data));
7167     rmp->collector_port = htons(frm->collector_port);
7168     memcpy(rmp->src_address, frm->src_address.data,
7169            sizeof(frm->src_address.data));
7170     rmp->fib_index = htonl(frm->fib_index);
7171     rmp->path_mtu = htonl(frm->path_mtu);
7172     rmp->template_interval = htonl(frm->template_interval);
7173
7174     vl_msg_api_send_shmem (q, (u8 *)&rmp);
7175 }
7176
7177 #define BOUNCE_HANDLER(nn)                                              \
7178 static void vl_api_##nn##_t_handler (                                   \
7179     vl_api_##nn##_t *mp)                                                \
7180 {                                                                       \
7181     vpe_client_registration_t *reg;                                     \
7182     vpe_api_main_t * vam = &vpe_api_main;                               \
7183     unix_shared_memory_queue_t * q;                                     \
7184                                                                         \
7185     /* One registration only... */                                      \
7186     pool_foreach(reg, vam->nn##_registrations,                          \
7187     ({                                                                  \
7188         q = vl_api_client_index_to_input_queue (reg->client_index);     \
7189         if (q) {                                                        \
7190             /*                                                          \
7191              * If the queue is stuffed, turf the msg and complain       \
7192              * It's unlikely that the intended recipient is             \
7193              * alive; avoid deadlock at all costs.                      \
7194              */                                                         \
7195             if (q->cursize == q->maxsize) {                             \
7196                 clib_warning ("ERROR: receiver queue full, drop msg");  \
7197                 vl_msg_api_free (mp);                                   \
7198                 return;                                                 \
7199             }                                                           \
7200             vl_msg_api_send_shmem (q, (u8 *)&mp);                       \
7201             return;                                                     \
7202         }                                                               \
7203     }));                                                                \
7204     vl_msg_api_free (mp);                                               \
7205 }
7206
7207 /*
7208  * vpe_api_hookup
7209  * Add vpe's API message handlers to the table.
7210  * vlib has alread mapped shared memory and
7211  * added the client registration handlers.
7212  * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
7213  */
7214
7215 static clib_error_t *
7216 vpe_api_hookup (vlib_main_t *vm)
7217 {
7218     api_main_t * am = &api_main;
7219
7220 #define _(N,n)                                                  \
7221     vl_msg_api_set_handlers(VL_API_##N, #n,                     \
7222                            vl_api_##n##_t_handler,              \
7223                            vl_noop_handler,                     \
7224                            vl_api_##n##_t_endian,               \
7225                            vl_api_##n##_t_print,                \
7226                            sizeof(vl_api_##n##_t), 1);
7227     foreach_vpe_api_msg;
7228 #undef _
7229
7230     /*
7231      * Manually register the sr tunnel add del msg, so we trace
7232      * enough bytes to capture a typical segment list
7233      */
7234     vl_msg_api_set_handlers (VL_API_SR_TUNNEL_ADD_DEL,
7235                              "sr_tunnel_add_del",
7236                              vl_api_sr_tunnel_add_del_t_handler,
7237                              vl_noop_handler,
7238                              vl_api_sr_tunnel_add_del_t_endian,
7239                              vl_api_sr_tunnel_add_del_t_print,
7240                              256, 1);
7241
7242
7243     /*
7244      * Manually register the sr policy add del msg, so we trace
7245      * enough bytes to capture a typical tunnel name list
7246      */
7247     vl_msg_api_set_handlers (VL_API_SR_POLICY_ADD_DEL,
7248                              "sr_policy_add_del",
7249                              vl_api_sr_policy_add_del_t_handler,
7250                              vl_noop_handler,
7251                              vl_api_sr_policy_add_del_t_endian,
7252                              vl_api_sr_policy_add_del_t_print,
7253                              256, 1);
7254
7255     /*
7256      * Trace space for 8 MPLS encap labels, classifier mask+match
7257      */
7258     am->api_trace_cfg [VL_API_MPLS_ADD_DEL_ENCAP].size += 8 * sizeof(u32);
7259     am->api_trace_cfg [VL_API_CLASSIFY_ADD_DEL_TABLE].size
7260         += 5 * sizeof (u32x4);
7261     am->api_trace_cfg [VL_API_CLASSIFY_ADD_DEL_SESSION].size
7262         += 5 * sizeof (u32x4);
7263     am->api_trace_cfg [VL_API_VXLAN_ADD_DEL_TUNNEL].size
7264         += 16 * sizeof (u32);
7265
7266     /*
7267      * Thread-safe API messages
7268      */
7269     am->is_mp_safe [VL_API_IP_ADD_DEL_ROUTE] = 1;
7270     am->is_mp_safe [VL_API_GET_NODE_GRAPH] = 1;
7271
7272     return 0;
7273 }
7274
7275 VLIB_API_INIT_FUNCTION(vpe_api_hookup);
7276
7277 static clib_error_t *
7278 vpe_api_init (vlib_main_t *vm)
7279 {
7280     vpe_api_main_t *am = &vpe_api_main;
7281
7282     am->vlib_main = vm;
7283     am->vnet_main = vnet_get_main();
7284     am->interface_events_registration_hash = hash_create (0, sizeof (uword));
7285     am->to_netconf_server_registration_hash = hash_create (0, sizeof (uword));
7286     am->from_netconf_server_registration_hash = hash_create (0, sizeof (uword));
7287     am->to_netconf_client_registration_hash = hash_create (0, sizeof (uword));
7288     am->from_netconf_client_registration_hash = hash_create (0, sizeof (uword));
7289     am->oam_events_registration_hash = hash_create (0, sizeof (uword));
7290
7291     vl_api_init (vm);
7292     vl_set_memory_region_name ("/vpe-api");
7293     vl_enable_disable_memory_api (vm, 1 /* enable it */);
7294
7295     return 0;
7296 }
7297
7298 VLIB_INIT_FUNCTION(vpe_api_init);
7299
7300
7301 static clib_error_t *
7302 api_segment_config (vlib_main_t * vm, unformat_input_t * input)
7303 {
7304   u8 * chroot_path;
7305   int uid, gid, rv;
7306   char *s, buf[128];
7307   struct passwd _pw, *pw;
7308   struct group _grp, *grp;
7309   clib_error_t *e;
7310
7311   while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
7312     {
7313       if (unformat (input, "prefix %s", &chroot_path))
7314         {
7315           vec_add1 (chroot_path, 0);
7316           vl_set_memory_root_path ((char *)chroot_path);
7317         }
7318       else if (unformat (input, "uid %d", &uid))
7319         vl_set_memory_uid (uid);
7320       else if (unformat (input, "gid %d", &gid))
7321         vl_set_memory_gid (gid);
7322       else if (unformat (input, "uid %s", &s))
7323         {
7324           /* lookup the username */
7325           pw = NULL;
7326           rv = getpwnam_r(s, &_pw, buf, sizeof(buf), &pw);
7327           if (rv < 0)
7328             {
7329               e = clib_error_return_code(0, rv,
7330                        CLIB_ERROR_ERRNO_VALID | CLIB_ERROR_FATAL,
7331                        "cannot fetch username %s", s);
7332               vec_free (s);
7333               return e;
7334             }
7335           if (pw == NULL)
7336             {
7337               e = clib_error_return_fatal(0, "username %s does not exist", s);
7338               vec_free (s);
7339               return e;
7340             }
7341           vec_free (s);
7342           vl_set_memory_uid (pw->pw_uid);
7343         }
7344       else if (unformat (input, "gid %s", &s))
7345         {
7346           /* lookup the group name */
7347           grp = NULL;
7348           rv = getgrnam_r(s, &_grp, buf, sizeof(buf), &grp);
7349           if (rv != 0)
7350             {
7351               e = clib_error_return_code(0, rv,
7352                        CLIB_ERROR_ERRNO_VALID | CLIB_ERROR_FATAL,
7353                        "cannot fetch group %s", s);
7354               vec_free (s);
7355               return e;
7356             }
7357           if (grp == NULL)
7358             {
7359               e = clib_error_return_fatal(0, "group %s does not exist", s);
7360               vec_free (s);
7361               return e;
7362             }
7363           vec_free (s);
7364           vl_set_memory_gid (grp->gr_gid);
7365         }
7366       else
7367         return clib_error_return (0, "unknown input `%U'",
7368                                   format_unformat_error, input);
7369     }
7370   return 0;
7371 }
7372 VLIB_EARLY_CONFIG_FUNCTION (api_segment_config, "api-segment");
7373
7374 void * get_unformat_vnet_sw_interface (void)
7375 {
7376     return (void *) &unformat_vnet_sw_interface;
7377 }
7378
7379 #undef vl_api_version
7380 #define vl_api_version(n,v) static u32 vpe_api_version = v;
7381 #include <vpp-api/vpe.api.h>
7382 #undef vl_api_version
7383
7384 int vl_msg_api_version_check (vl_api_memclnt_create_t * mp)
7385 {
7386     if (clib_host_to_net_u32(mp->api_versions[0]) != vpe_api_version) {
7387         clib_warning ("vpe API mismatch: 0x%08x instead of 0x%08x",
7388                       clib_host_to_net_u32 (mp->api_versions[0]),
7389                       vpe_api_version);
7390         return -1;
7391     }
7392     return 0;
7393 }
7394
7395 static u8 * format_arp_event (u8 * s, va_list * args)
7396 {
7397     vl_api_ip4_arp_event_t * event = va_arg (*args, vl_api_ip4_arp_event_t *);
7398
7399     s = format (s, "pid %d: %U", event->pid,
7400                 format_ip4_address, &event->address);
7401     return s;
7402 }
7403
7404 static clib_error_t *
7405 show_ip4_arp_events_fn (vlib_main_t * vm,
7406                         unformat_input_t * input,
7407                         vlib_cli_command_t * cmd)
7408 {
7409     vpe_api_main_t * am = &vpe_api_main;
7410     vl_api_ip4_arp_event_t * event;
7411
7412     if (pool_elts (am->arp_events) == 0) {
7413         vlib_cli_output (vm, "No active arp event registrations");
7414         return 0;
7415     }
7416
7417     pool_foreach (event, am->arp_events,
7418     ({
7419         vlib_cli_output (vm, "%U", format_arp_event, event);
7420     }));
7421
7422     return 0;
7423 }
7424
7425 VLIB_CLI_COMMAND (show_ip4_arp_events, static) = {
7426   .path = "show arp event registrations",
7427   .function = show_ip4_arp_events_fn,
7428   .short_help = "Show arp event registrations",
7429 };