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 <vppinfra/clib.h>
  34 #include <vppinfra/vec.h>
  35 #include <vppinfra/hash.h>
  36 #include <vppinfra/bitmap.h>
  37 #include <vppinfra/fifo.h>
  38 #include <vppinfra/time.h>
  39 #include <vppinfra/mheap.h>
  40 #include <vppinfra/heap.h>
  41 #include <vppinfra/pool.h>
  42 #include <vppinfra/format.h>
  43 #include <vppinfra/error.h>
  44
  45 #include <vnet/vnet.h>
  46 #include <vnet/l2/l2_input.h>
  47 #include <vnet/l2/l2_bd.h>
  48 #include <vnet/l2tp/l2tp.h>
  49 #include <vnet/ip/ip.h>
  50 #include <vnet/unix/tuntap.h>
  51 #include <vnet/unix/tapcli.h>
  52 #include <vnet/mpls-gre/mpls.h>
  53 #include <vnet/dhcp/proxy.h>
  54 #include <vnet/dhcp/client.h>
  55 #if IPV6SR > 0
  56 #include <vnet/sr/sr.h>
  57 #endif
  58 #include <vnet/dhcpv6/proxy.h>
  59 #include <vlib/vlib.h>
  60 #include <vlib/unix/unix.h>
  61 #include <vlibapi/api.h>
  62 #include <vlibmemory/api.h>
  63 #include <vnet/classify/vnet_classify.h>
  64 #include <vnet/classify/input_acl.h>
  65 #include <vnet/l2/l2_classify.h>
  66 #include <vnet/vxlan/vxlan.h>
  67 #include <vnet/l2/l2_vtr.h>
  68 #include <vnet/nsh-gre/nsh_gre.h>
  69 #include <vnet/nsh-vxlan-gpe/nsh_vxlan_gpe.h>
  70 #include <vnet/lisp-gpe/lisp_gpe.h>
  71 #include <vnet/lisp-cp/control.h>
  72 #include <vnet/map/map.h>
  73 #include <vnet/cop/cop.h>
  74 #include <vnet/ip/ip6_hop_by_hop.h>
  75
  76 #undef BIHASH_TYPE
  77 #undef __included_bihash_template_h__
  78 #include <vnet/l2/l2_fib.h>
  79
  80 #if IPSEC > 0
  81 #include <vnet/ipsec/ipsec.h>
  82 #include <vnet/ipsec/ikev2.h>
  83 #endif /* IPSEC */
  84 #if DPDK > 0
  85 #include <vnet/devices/virtio/vhost-user.h>
  86 #endif
  87
  88 #include <stats/stats.h>
  89 #include <oam/oam.h>
  90
  91 #include <vnet/ethernet/ethernet.h>
  92 #include <vnet/ethernet/arp_packet.h>
  93 #include <vnet/interface.h>
  94
  95 #include <vnet/l2/l2_fib.h>
  96 #include <vnet/l2/l2_bd.h>
  97 #include <api/vpe_msg_enum.h>
  98
  99 #define f64_endian(a)
 100 #define f64_print(a,b)
 101
 102 #define vl_typedefs             /* define message structures */
 103 #include <api/vpe_all_api_h.h>
 104 #undef vl_typedefs
 105
 106 #define vl_endianfun             /* define message structures */
 107 #include <api/vpe_all_api_h.h>
 108 #undef vl_endianfun
 109
 110 /* instantiate all the print functions we know about */
 111 #define vl_print(handle, ...) vlib_cli_output (handle, __VA_ARGS__)
 112 #define vl_printfun
 113 #include <api/vpe_all_api_h.h>
 114 #undef vl_printfun
 115
 116 #define REPLY_MACRO(t)                                          \
 117 do {                                                            \
 118     unix_shared_memory_queue_t * q;                             \
 119     rv = vl_msg_api_pd_handler (mp, rv);                        \
 120     q = vl_api_client_index_to_input_queue (mp->client_index);  \
 121     if (!q)                                                     \
 122         return;                                                 \
 123                                                                 \
 124     rmp = vl_msg_api_alloc (sizeof (*rmp));                     \
 125     rmp->_vl_msg_id = ntohs((t));                               \
 126     rmp->context = mp->context;                                 \
 127     rmp->retval = ntohl(rv);                                    \
 128                                                                 \
 129     vl_msg_api_send_shmem (q, (u8 *)&rmp);                      \
 130 } while(0);
 131
 132 #define REPLY_MACRO2(t, body)                                   \
 133 do {                                                            \
 134     unix_shared_memory_queue_t * q;                             \
 135     rv = vl_msg_api_pd_handler (mp, rv);                        \
 136     q = vl_api_client_index_to_input_queue (mp->client_index);  \
 137     if (!q)                                                     \
 138         return;                                                 \
 139                                                                 \
 140     rmp = vl_msg_api_alloc (sizeof (*rmp));                     \
 141     rmp->_vl_msg_id = ntohs((t));                               \
 142     rmp->context = mp->context;                                 \
 143     rmp->retval = ntohl(rv);                                    \
 144     do {body;} while (0);                                       \
 145     vl_msg_api_send_shmem (q, (u8 *)&rmp);                      \
 146 } while(0);
 147
 148 #if (1 || CLIB_DEBUG > 0)       /* "trust, but verify" */
 149
 150 #define VALIDATE_SW_IF_INDEX(mp)                                \
 151  do { u32 __sw_if_index = ntohl(mp->sw_if_index);               \
 152     vnet_main_t *__vnm = vnet_get_main();                       \
 153     if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
 154                            __sw_if_index)) {                    \
 155         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;                \
 156         goto bad_sw_if_index;                                   \
 157     }                                                           \
 158 } while(0);
 159
 160 #define BAD_SW_IF_INDEX_LABEL                   \
 161 do {                                            \
 162 bad_sw_if_index:                                \
 163     ;                                           \
 164 } while (0);
 165
 166 #define VALIDATE_RX_SW_IF_INDEX(mp)                             \
 167  do { u32 __rx_sw_if_index = ntohl(mp->rx_sw_if_index);         \
 168     vnet_main_t *__vnm = vnet_get_main();                       \
 169     if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
 170                            __rx_sw_if_index)) {                 \
 171         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;                \
 172         goto bad_rx_sw_if_index;                                \
 173     }                                                           \
 174 } while(0);
 175
 176 #define BAD_RX_SW_IF_INDEX_LABEL                \
 177 do {                                            \
 178 bad_rx_sw_if_index:                             \
 179     ;                                           \
 180 } while (0);
 181
 182 #define VALIDATE_TX_SW_IF_INDEX(mp)                             \
 183  do { u32 __tx_sw_if_index = ntohl(mp->tx_sw_if_index);         \
 184     vnet_main_t *__vnm = vnet_get_main();                       \
 185     if (pool_is_free_index(__vnm->interface_main.sw_interfaces, \
 186                            __tx_sw_if_index)) {                 \
 187         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;                \
 188         goto bad_tx_sw_if_index;                                \
 189     }                                                           \
 190 } while(0);
 191
 192 #define BAD_TX_SW_IF_INDEX_LABEL                \
 193 do {                                            \
 194 bad_tx_sw_if_index:                             \
 195     ;                                           \
 196 } while (0);
 197
 198 #else
 199
 200 #define VALIDATE_SW_IF_INDEX(mp)
 201 #define BAD_SW_IF_INDEX_LABEL
 202 #define VALIDATE_RX_SW_IF_INDEX(mp)
 203 #define BAD_RX_SW_IF_INDEX_LABEL
 204 #define VALIDATE_TX_SW_IF_INDEX(mp)
 205 #define BAD_TX_SW_IF_INDEX_LABEL
 206
 207 #endif  /* CLIB_DEBUG > 0 */
 208
 209 #define foreach_vpe_api_msg                                             \
 210 _(WANT_INTERFACE_EVENTS, want_interface_events)                         \
 211 _(WANT_OAM_EVENTS, want_oam_events)                                     \
 212 _(OAM_ADD_DEL, oam_add_del)                                             \
 213 _(SW_INTERFACE_DUMP, sw_interface_dump)                                 \
 214 _(SW_INTERFACE_DETAILS, sw_interface_details)                           \
 215 _(SW_INTERFACE_SET_FLAGS, sw_interface_set_flags)                       \
 216 _(IP_ADD_DEL_ROUTE, ip_add_del_route)                                   \
 217 _(IS_ADDRESS_REACHABLE, is_address_reachable)                           \
 218 _(SW_INTERFACE_ADD_DEL_ADDRESS, sw_interface_add_del_address)           \
 219 _(SW_INTERFACE_SET_TABLE, sw_interface_set_table)                       \
 220 _(SW_INTERFACE_SET_VPATH, sw_interface_set_vpath)                       \
 221 _(SW_INTERFACE_SET_L2_XCONNECT, sw_interface_set_l2_xconnect)           \
 222 _(SW_INTERFACE_SET_L2_BRIDGE, sw_interface_set_l2_bridge)               \
 223 _(BRIDGE_DOMAIN_ADD_DEL, bridge_domain_add_del)                         \
 224 _(BRIDGE_DOMAIN_DUMP, bridge_domain_dump)                               \
 225 _(BRIDGE_DOMAIN_DETAILS, bridge_domain_details)                         \
 226 _(BRIDGE_DOMAIN_SW_IF_DETAILS, bridge_domain_sw_if_details)             \
 227 _(L2FIB_ADD_DEL, l2fib_add_del)                                         \
 228 _(L2_FLAGS, l2_flags)                                                   \
 229 _(BRIDGE_FLAGS, bridge_flags)                                           \
 230 _(TAP_CONNECT, tap_connect)                                             \
 231 _(TAP_MODIFY, tap_modify)                                               \
 232 _(TAP_DELETE, tap_delete)                                               \
 233 _(SW_INTERFACE_TAP_DUMP, sw_interface_tap_dump)                         \
 234 _(CREATE_VLAN_SUBIF, create_vlan_subif)                                 \
 235 _(CREATE_SUBIF, create_subif)                                           \
 236 _(MPLS_GRE_ADD_DEL_TUNNEL, mpls_gre_add_del_tunnel)                     \
 237 _(MPLS_ETHERNET_ADD_DEL_TUNNEL, mpls_ethernet_add_del_tunnel)           \
 238 _(MPLS_ETHERNET_ADD_DEL_TUNNEL_2, mpls_ethernet_add_del_tunnel_2)       \
 239 _(MPLS_ADD_DEL_ENCAP, mpls_add_del_encap)                               \
 240 _(MPLS_ADD_DEL_DECAP, mpls_add_del_decap)                               \
 241 _(PROXY_ARP_ADD_DEL, proxy_arp_add_del)                                 \
 242 _(PROXY_ARP_INTFC_ENABLE_DISABLE, proxy_arp_intfc_enable_disable)       \
 243 _(IP_NEIGHBOR_ADD_DEL, ip_neighbor_add_del)                             \
 244 _(VNET_GET_SUMMARY_STATS, vnet_get_summary_stats)                       \
 245 _(RESET_FIB, reset_fib)                                                 \
 246 _(DHCP_PROXY_CONFIG,dhcp_proxy_config)                                  \
 247 _(DHCP_PROXY_CONFIG_2,dhcp_proxy_config_2)                              \
 248 _(DHCP_PROXY_SET_VSS,dhcp_proxy_set_vss)                                \
 249 _(DHCP_CLIENT_CONFIG, dhcp_client_config)                               \
 250 _(SET_IP_FLOW_HASH,set_ip_flow_hash)                                    \
 251 _(SW_INTERFACE_IP6ND_RA_CONFIG, sw_interface_ip6nd_ra_config)           \
 252 _(SW_INTERFACE_IP6ND_RA_PREFIX, sw_interface_ip6nd_ra_prefix)           \
 253 _(SW_INTERFACE_IP6_ENABLE_DISABLE, sw_interface_ip6_enable_disable )    \
 254 _(SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS,                              \
 255   sw_interface_ip6_set_link_local_address)                              \
 256 _(SW_INTERFACE_SET_UNNUMBERED, sw_interface_set_unnumbered)             \
 257 _(CREATE_LOOPBACK, create_loopback)                                     \
 258 _(CONTROL_PING, control_ping)                                           \
 259 _(CLI_REQUEST, cli_request)                                             \
 260 _(SET_ARP_NEIGHBOR_LIMIT, set_arp_neighbor_limit)                       \
 261 _(L2_PATCH_ADD_DEL, l2_patch_add_del)                                   \
 262 _(CLASSIFY_ADD_DEL_TABLE, classify_add_del_table)                       \
 263 _(CLASSIFY_ADD_DEL_SESSION, classify_add_del_session)                   \
 264 _(CLASSIFY_SET_INTERFACE_IP_TABLE, classify_set_interface_ip_table)     \
 265 _(CLASSIFY_SET_INTERFACE_L2_TABLES, classify_set_interface_l2_tables)   \
 266 _(GET_NODE_INDEX, get_node_index)                                       \
 267 _(ADD_NODE_NEXT, add_node_next)                                         \
 268 _(L2TPV3_CREATE_TUNNEL, l2tpv3_create_tunnel)                           \
 269 _(L2TPV3_SET_TUNNEL_COOKIES, l2tpv3_set_tunnel_cookies)                 \
 270 _(L2TPV3_INTERFACE_ENABLE_DISABLE, l2tpv3_interface_enable_disable)     \
 271 _(L2TPV3_SET_LOOKUP_KEY, l2tpv3_set_lookup_key)                         \
 272 _(SW_IF_L2TPV3_TUNNEL_DUMP, sw_if_l2tpv3_tunnel_dump)                   \
 273 _(VXLAN_ADD_DEL_TUNNEL, vxlan_add_del_tunnel)                           \
 274 _(VXLAN_TUNNEL_DUMP, vxlan_tunnel_dump)                                 \
 275 _(L2_FIB_CLEAR_TABLE, l2_fib_clear_table)                               \
 276 _(L2_INTERFACE_EFP_FILTER, l2_interface_efp_filter)                     \
 277 _(L2_INTERFACE_VLAN_TAG_REWRITE, l2_interface_vlan_tag_rewrite)         \
 278 _(CREATE_VHOST_USER_IF, create_vhost_user_if)                           \
 279 _(MODIFY_VHOST_USER_IF, modify_vhost_user_if)                           \
 280 _(DELETE_VHOST_USER_IF, delete_vhost_user_if)                           \
 281 _(SW_INTERFACE_VHOST_USER_DUMP, sw_interface_vhost_user_dump)           \
 282 _(IP_ADDRESS_DUMP, ip_address_dump)                                     \
 283 _(IP_DUMP, ip_dump)                                                     \
 284 _(SW_INTERFACE_VHOST_USER_DETAILS, sw_interface_vhost_user_details)     \
 285 _(SHOW_VERSION, show_version)                                           \
 286 _(NSH_GRE_ADD_DEL_TUNNEL, nsh_gre_add_del_tunnel)                       \
 287 _(L2_FIB_TABLE_DUMP, l2_fib_table_dump)                                 \
 288 _(L2_FIB_TABLE_ENTRY, l2_fib_table_entry)                               \
 289 _(NSH_VXLAN_GPE_ADD_DEL_TUNNEL, nsh_vxlan_gpe_add_del_tunnel)           \
 290 _(LISP_GPE_ADD_DEL_TUNNEL, lisp_gpe_add_del_tunnel)                     \
 291 _(INTERFACE_NAME_RENUMBER, interface_name_renumber)                     \
 292 _(WANT_IP4_ARP_EVENTS, want_ip4_arp_events)                             \
 293 _(INPUT_ACL_SET_INTERFACE, input_acl_set_interface)                     \
 294 _(IPSEC_SPD_ADD_DEL, ipsec_spd_add_del)                                 \
 295 _(IPSEC_INTERFACE_ADD_DEL_SPD, ipsec_interface_add_del_spd)             \
 296 _(IPSEC_SPD_ADD_DEL_ENTRY, ipsec_spd_add_del_entry)                     \
 297 _(IPSEC_SAD_ADD_DEL_ENTRY, ipsec_sad_add_del_entry)                     \
 298 _(IPSEC_SA_SET_KEY, ipsec_sa_set_key)                                   \
 299 _(IKEV2_PROFILE_ADD_DEL, ikev2_profile_add_del)                         \
 300 _(IKEV2_PROFILE_SET_AUTH, ikev2_profile_set_auth)                       \
 301 _(IKEV2_PROFILE_SET_ID, ikev2_profile_set_id)                           \
 302 _(IKEV2_PROFILE_SET_TS, ikev2_profile_set_ts)                           \
 303 _(IKEV2_SET_LOCAL_KEY, ikev2_set_local_key)                             \
 304 _(DELETE_LOOPBACK, delete_loopback)                                     \
 305 _(BD_IP_MAC_ADD_DEL, bd_ip_mac_add_del)                                 \
 306 _(MAP_ADD_DOMAIN, map_add_domain)                                       \
 307 _(MAP_DEL_DOMAIN, map_del_domain)                                       \
 308 _(MAP_ADD_DEL_RULE, map_add_del_rule)                                   \
 309 _(MAP_DOMAIN_DUMP, map_domain_dump)                                     \
 310 _(MAP_RULE_DUMP, map_rule_dump)                                         \
 311 _(MAP_SUMMARY_STATS, map_summary_stats)                                 \
 312 _(COP_INTERFACE_ENABLE_DISABLE, cop_interface_enable_disable)           \
 313 _(COP_WHITELIST_ENABLE_DISABLE, cop_whitelist_enable_disable)           \
 314 _(GET_NODE_GRAPH, get_node_graph)                                       \
 315 _(SW_INTERFACE_CLEAR_STATS, sw_interface_clear_stats)                   \
 316 _(TRACE_PROFILE_ADD, trace_profile_add)                                 \
 317 _(TRACE_PROFILE_APPLY, trace_profile_apply)                             \
 318 _(TRACE_PROFILE_DEL, trace_profile_del)                                 \
 319 _(LISP_ADD_DEL_LOCATOR_SET, lisp_add_del_locator_set)                   \
 320 _(LISP_ADD_DEL_LOCATOR, lisp_add_del_locator)                           \
 321 _(LISP_ADD_DEL_LOCAL_EID, lisp_add_del_local_eid)                       \
 322 _(LISP_GPE_ADD_DEL_FWD_ENTRY, lisp_gpe_add_del_fwd_entry)               \
 323 _(LISP_ADD_DEL_MAP_RESOLVER, lisp_add_del_map_resolver)                 \
 324 _(LISP_GPE_ENABLE_DISABLE, lisp_gpe_enable_disable)                     \
 325 _(LISP_GPE_ADD_DEL_IFACE, lisp_gpe_add_del_iface)                       \
 326 _(LISP_LOCATOR_SET_DUMP, lisp_locator_set_dump)                         \
 327 _(LISP_LOCAL_EID_TABLE_DUMP, lisp_local_eid_table_dump)                 \
 328 _(LISP_GPE_TUNNEL_DUMP, lisp_gpe_tunnel_dump)                           \
 329 _(LISP_MAP_RESOLVER_DUMP, lisp_map_resolver_dump)
 330
 331 #define QUOTE_(x) #x
 332 #define QUOTE(x) QUOTE_(x)
 333
 334 #define foreach_registration_hash               \
 335 _(interface_events)                             \
 336 _(to_netconf_server)                            \
 337 _(from_netconf_server)                          \
 338 _(to_netconf_client)                            \
 339 _(from_netconf_client)                          \
 340 _(oam_events)
 341
 342 typedef enum {
 343     RESOLVE_IP4_ADD_DEL_ROUTE=1,
 344     RESOLVE_IP6_ADD_DEL_ROUTE,
 345     RESOLVE_MPLS_ETHERNET_ADD_DEL,
 346 } resolve_t;
 347
 348 typedef struct {
 349     u8 resolve_type;
 350     union {
 351         vl_api_ip_add_del_route_t r;
 352         vl_api_mpls_ethernet_add_del_tunnel_2_t t;
 353     };
 354 } pending_route_t;
 355
 356 typedef struct {
 357
 358 #define _(a) uword *a##_registration_hash;              \
 359     vpe_client_registration_t * a##_registrations;
 360 foreach_registration_hash
 361 #undef _
 362
 363     /* notifications happen really early in the game */
 364     u8 link_state_process_up;
 365
 366     /* ip4 pending route adds */
 367     pending_route_t * pending_routes;
 368
 369     /* ip4 arp event registration pool */
 370     vl_api_ip4_arp_event_t * arp_events;
 371
 372     /* convenience */
 373     vlib_main_t * vlib_main;
 374     vnet_main_t * vnet_main;
 375 } vpe_api_main_t;
 376
 377 static vlib_node_registration_t vpe_resolver_process_node;
 378 static vpe_api_main_t vpe_api_main;
 379
 380 static void send_sw_interface_flags (vpe_api_main_t * am,
 381                                      unix_shared_memory_queue_t *q,
 382                                      vnet_sw_interface_t * swif);
 383 static void send_sw_interface_flags_deleted (vpe_api_main_t * am,
 384                                      unix_shared_memory_queue_t *q,
 385                                      u32 sw_if_index);
 386
 387 static int arp_change_delete_callback (u32 pool_index, u8 * notused);
 388
 389
 390 /* Clean up all registrations belonging to the indicated client */
 391 int vl_api_memclnt_delete_callback (u32 client_index)
 392 {
 393     vpe_api_main_t * vam = &vpe_api_main;
 394     vpe_client_registration_t *rp;
 395     uword * p;
 396     int stats_memclnt_delete_callback (u32 client_index);
 397
 398     stats_memclnt_delete_callback (client_index);
 399
 400 #define _(a)                                                    \
 401     p = hash_get (vam->a##_registration_hash, client_index);    \
 402     if (p) {                                                    \
 403         rp = pool_elt_at_index (vam->a##_registrations, p[0]);  \
 404         pool_put (vam->a##_registrations, rp);                  \
 405         hash_unset (vam->a##_registration_hash, client_index);  \
 406     }
 407     foreach_registration_hash;
 408 #undef _
 409     return 0;
 410 }
 411
 412 #define API_LINK_STATE_EVENT 1
 413 #define API_ADMIN_UP_DOWN_EVENT 2
 414
 415 static int
 416 event_data_cmp (void * a1, void * a2)
 417 {
 418   uword * e1 = a1;
 419   uword * e2 = a2;
 420
 421   return (word) e1[0] - (word) e2[0];
 422 }
 423
 424 static uword
 425 link_state_process (vlib_main_t * vm,
 426                     vlib_node_runtime_t * rt,
 427                     vlib_frame_t * f)
 428 {
 429     vpe_api_main_t * vam = &vpe_api_main;
 430     vnet_main_t * vnm = vam->vnet_main;
 431     vnet_sw_interface_t * swif;
 432     uword * event_data = 0;
 433     vpe_client_registration_t *reg;
 434     int i;
 435     u32 prev_sw_if_index;
 436     unix_shared_memory_queue_t * q;
 437
 438     vam->link_state_process_up = 1;
 439
 440     while (1) {
 441         vlib_process_wait_for_event (vm);
 442
 443         /* Unified list of changed link or admin state sw_if_indices */
 444         vlib_process_get_events_with_type
 445             (vm, &event_data, API_LINK_STATE_EVENT);
 446         vlib_process_get_events_with_type
 447             (vm, &event_data, API_ADMIN_UP_DOWN_EVENT);
 448
 449         /* Sort, so we can eliminate duplicates */
 450         vec_sort_with_function (event_data, event_data_cmp);
 451
 452         prev_sw_if_index = ~0;
 453
 454         for (i = 0; i < vec_len(event_data); i++) {
 455             /* Only one message per swif */
 456             if (prev_sw_if_index == event_data[i])
 457                 continue;
 458             prev_sw_if_index = event_data[i];
 459
 460             pool_foreach(reg, vam->interface_events_registrations,
 461             ({
 462                 q = vl_api_client_index_to_input_queue (reg->client_index);
 463                 if (q) {
 464                     // sw_interface may be deleted already
 465                     if (!pool_is_free_index (vnm->interface_main.sw_interfaces,
 466                             event_data[i]))
 467                     {
 468                         swif = vnet_get_sw_interface (vnm, event_data[i]);
 469                         send_sw_interface_flags (vam, q, swif);
 470                     }
 471                 }
 472             }));
 473         }
 474         vec_reset_length (event_data);
 475     }
 476
 477     return 0;
 478 }
 479
 480 static clib_error_t *
 481 link_up_down_function (vnet_main_t *vm, u32 hw_if_index, u32 flags);
 482 static clib_error_t *
 483 admin_up_down_function (vnet_main_t *vm, u32 hw_if_index, u32 flags);
 484
 485 VLIB_REGISTER_NODE (link_state_process_node,static) = {
 486     .function = link_state_process,
 487     .type = VLIB_NODE_TYPE_PROCESS,
 488     .name = "vpe-link-state-process",
 489 };
 490
 491 VNET_SW_INTERFACE_ADMIN_UP_DOWN_FUNCTION (admin_up_down_function);
 492 VNET_HW_INTERFACE_LINK_UP_DOWN_FUNCTION (link_up_down_function);
 493
 494 static clib_error_t *
 495 link_up_down_function (vnet_main_t *vm, u32 hw_if_index, u32 flags)
 496 {
 497     vpe_api_main_t * vam = &vpe_api_main;
 498     vnet_hw_interface_t *hi = vnet_get_hw_interface (vm, hw_if_index);
 499
 500     if (vam->link_state_process_up)
 501         vlib_process_signal_event (vam->vlib_main,
 502                                    link_state_process_node.index,
 503                                    API_LINK_STATE_EVENT,
 504                                    hi->sw_if_index);
 505     return 0;
 506 }
 507
 508 static clib_error_t *
 509 admin_up_down_function (vnet_main_t *vm, u32 sw_if_index, u32 flags)
 510 {
 511     vpe_api_main_t * vam = &vpe_api_main;
 512
 513     /*
 514      * Note: it's perfectly fair to set a subif admin up / admin down.
 515      * Note the subtle distinction between this routine and the previous
 516      * routine.
 517      */
 518     if (vam->link_state_process_up)
 519         vlib_process_signal_event (vam->vlib_main,
 520                                    link_state_process_node.index,
 521                                    API_ADMIN_UP_DOWN_EVENT,
 522                                    sw_if_index);
 523     return 0;
 524 }
 525
 526 #define pub_sub_handler(lca,UCA)                                        \
 527 static void vl_api_want_##lca##_t_handler (                             \
 528     vl_api_want_##lca##_t *mp)                                          \
 529 {                                                                       \
 530     vpe_api_main_t *vam = &vpe_api_main;                                \
 531     vpe_client_registration_t *rp;                                      \
 532     vl_api_want_##lca##_reply_t *rmp;                                   \
 533     uword *p;                                                           \
 534     i32 rv = 0;                                                         \
 535                                                                         \
 536     p = hash_get (vam->lca##_registration_hash, mp->client_index);      \
 537     if (p) {                                                            \
 538         if (mp->enable_disable) {                                       \
 539             clib_warning ("pid %d: already enabled...", mp->pid);       \
 540             rv = VNET_API_ERROR_INVALID_REGISTRATION;                   \
 541             goto reply;                                                 \
 542         } else {                                                        \
 543             rp = pool_elt_at_index (vam->lca##_registrations, p[0]);    \
 544             pool_put (vam->lca##_registrations, rp);                    \
 545             hash_unset (vam->lca##_registration_hash,                   \
 546                 mp->client_index);                                      \
 547             goto reply;                                                 \
 548         }                                                               \
 549     }                                                                   \
 550     if (mp->enable_disable == 0) {                                      \
 551         clib_warning ("pid %d: already disabled...", mp->pid);          \
 552         rv = VNET_API_ERROR_INVALID_REGISTRATION;                       \
 553         goto reply;                                                     \
 554     }                                                                   \
 555     pool_get (vam->lca##_registrations, rp);                            \
 556     rp->client_index = mp->client_index;                                \
 557     rp->client_pid = mp->pid;                                           \
 558     hash_set (vam->lca##_registration_hash, rp->client_index,           \
 559               rp - vam->lca##_registrations);                           \
 560                                                                         \
 561 reply:                                                                  \
 562     REPLY_MACRO (VL_API_WANT_##UCA##_REPLY);                            \
 563 }
 564
 565 pub_sub_handler (interface_events,INTERFACE_EVENTS)
 566 pub_sub_handler (oam_events,OAM_EVENTS)
 567
 568 #define RESOLUTION_EVENT 1
 569 #define RESOLUTION_PENDING_EVENT 2
 570 #define IP4_ARP_EVENT 3
 571
 572 static int ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t *mp);
 573 static int ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t *mp);
 574 static int mpls_ethernet_add_del_tunnel_2_t_handler
 575 (vl_api_mpls_ethernet_add_del_tunnel_2_t *mp);
 576
 577 void handle_ip4_arp_event (u32 pool_index)
 578 {
 579     vpe_api_main_t * vam = &vpe_api_main;
 580     vnet_main_t * vnm = vam->vnet_main;
 581     vlib_main_t * vm = vam->vlib_main;
 582     vl_api_ip4_arp_event_t * event;
 583     vl_api_ip4_arp_event_t * mp;
 584     unix_shared_memory_queue_t * q;
 585
 586     /* Client can cancel, die, etc. */
 587     if (pool_is_free_index (vam->arp_events, pool_index))
 588         return;
 589
 590     event = pool_elt_at_index (vam->arp_events, pool_index);
 591
 592     q = vl_api_client_index_to_input_queue (event->client_index);
 593     if (!q) {
 594         (void) vnet_add_del_ip4_arp_change_event
 595             (vnm, arp_change_delete_callback,
 596              event->pid, &event->address,
 597              vpe_resolver_process_node.index, IP4_ARP_EVENT,
 598              ~0 /* pool index, notused */, 0 /* is_add */);
 599         return;
 600     }
 601
 602     if (q->cursize < q->maxsize) {
 603         mp =  vl_msg_api_alloc (sizeof (*mp));
 604         clib_memcpy (mp, event, sizeof (*mp));
 605         vl_msg_api_send_shmem (q, (u8 *)&mp);
 606     } else {
 607         static f64 last_time;
 608         /*
 609          * Throttle syslog msgs.
 610          * It's pretty tempting to just revoke the registration...
 611          */
 612         if (vlib_time_now (vm) > last_time + 10.0) {
 613             clib_warning ("arp event for %U to pid %d: queue stuffed!",
 614                           format_ip4_address, &event->address, event->pid);
 615             last_time = vlib_time_now(vm);
 616         }
 617     }
 618 }
 619
 620 static uword
 621 resolver_process (vlib_main_t * vm,
 622                     vlib_node_runtime_t * rt,
 623                     vlib_frame_t * f)
 624 {
 625     uword event_type;
 626     uword *event_data = 0;
 627     f64 timeout = 100.0;
 628     vpe_api_main_t * vam = &vpe_api_main;
 629     pending_route_t * pr;
 630     vl_api_ip_add_del_route_t * adr;
 631     vl_api_mpls_ethernet_add_del_tunnel_2_t *pme;
 632     u32 * resolution_failures = 0;
 633     int i, rv;
 634     clib_error_t * e;
 635
 636     while (1) {
 637         vlib_process_wait_for_event_or_clock (vm, timeout);
 638
 639         event_type = vlib_process_get_events (vm, &event_data);
 640
 641         switch (event_type) {
 642         case RESOLUTION_PENDING_EVENT:
 643             timeout = 1.0;
 644             break;
 645
 646         case RESOLUTION_EVENT:
 647             for (i = 0; i < vec_len(event_data); i++) {
 648                 /*
 649                  * Resolution events can occur long after the
 650                  * original request has timed out. $$$ add a cancel
 651                  * mechanism..
 652                  */
 653                 if (pool_is_free_index (vam->pending_routes, event_data[i]))
 654                     continue;
 655
 656                 pr = pool_elt_at_index (vam->pending_routes, event_data[i]);
 657                 adr = &pr->r;
 658                 pme = &pr->t;
 659
 660                 switch (pr->resolve_type) {
 661                 case RESOLVE_IP4_ADD_DEL_ROUTE:
 662                     rv = ip4_add_del_route_t_handler (adr);
 663                     clib_warning ("resolver: add %U/%d via %U %s",
 664                                   format_ip4_address,
 665                                   (ip4_address_t *)&(adr->dst_address),
 666                                   adr->dst_address_length,
 667                                   format_ip4_address,
 668                                   (ip4_address_t *)&(adr->next_hop_address),
 669                                   (rv >= 0) ? "succeeded" : "failed");
 670                     break;
 671
 672                 case RESOLVE_IP6_ADD_DEL_ROUTE:
 673                     rv = ip6_add_del_route_t_handler (adr);
 674                     clib_warning ("resolver: add %U/%d via %U %s",
 675                                   format_ip6_address,
 676                                   (ip6_address_t *)&(adr->dst_address),
 677                                   adr->dst_address_length,
 678                                   format_ip6_address,
 679                                   (ip6_address_t *)&(adr->next_hop_address),
 680                                   (rv >= 0) ? "succeeded" : "failed");
 681                     break;
 682
 683                 case RESOLVE_MPLS_ETHERNET_ADD_DEL:
 684                     rv = mpls_ethernet_add_del_tunnel_2_t_handler (pme);
 685                     clib_warning ("resolver: add mpls-o-e via %U %s",
 686                                   format_ip4_address,
 687             (ip4_address_t *)&(pme->next_hop_ip4_address_in_outer_vrf),
 688                                   (rv >= 0) ? "succeeded" : "failed");
 689                     break;
 690
 691                 default:
 692                     clib_warning ("resolver: BOGUS TYPE %d", pr->resolve_type);
 693                 }
 694                 pool_put (vam->pending_routes, pr);
 695             }
 696             break;
 697
 698         case IP4_ARP_EVENT:
 699             for (i = 0; i < vec_len(event_data); i++)
 700                 handle_ip4_arp_event (event_data[i]);
 701             break;
 702
 703         case ~0:                /* timeout, retry pending resolutions */
 704             pool_foreach (pr, vam->pending_routes,
 705             ({
 706                 int is_adr = 1;
 707                 adr = &pr->r;
 708                 pme = &pr->t;
 709
 710                 /* May fail, e.g. due to interface down */
 711                 switch (pr->resolve_type) {
 712                 case RESOLVE_IP4_ADD_DEL_ROUTE:
 713                     e = ip4_probe_neighbor
 714                         (vm, (ip4_address_t *)&(adr->next_hop_address),
 715                          ntohl(adr->next_hop_sw_if_index));
 716                     break;
 717
 718                 case RESOLVE_IP6_ADD_DEL_ROUTE:
 719                     e = ip6_probe_neighbor
 720                         (vm, (ip6_address_t *)&(adr->next_hop_address),
 721                          ntohl(adr->next_hop_sw_if_index));
 722                     break;
 723
 724                 case RESOLVE_MPLS_ETHERNET_ADD_DEL:
 725                     is_adr = 0;
 726                     e = ip4_probe_neighbor
 727                         (vm,
 728             (ip4_address_t *)&(pme->next_hop_ip4_address_in_outer_vrf),
 729                          pme->resolve_opaque);
 730                     break;
 731
 732                 default:
 733                     e = clib_error_return (0, "resolver: BOGUS TYPE %d",
 734                                            pr->resolve_type);
 735                 }
 736                 if (e) {
 737                     clib_error_report (e);
 738                     if (is_adr)
 739                         adr->resolve_attempts = 1;
 740                     else
 741                         pme->resolve_attempts = 1;
 742
 743                 }
 744                 if (is_adr) {
 745                     adr->resolve_attempts -= 1;
 746                     if (adr->resolve_attempts == 0)
 747                         vec_add1 (resolution_failures,
 748                                   pr - vam->pending_routes);
 749                 } else {
 750                     pme->resolve_attempts -= 1;
 751                     if (pme->resolve_attempts == 0)
 752                         vec_add1 (resolution_failures,
 753                                   pr - vam->pending_routes);
 754                 }
 755
 756             }));
 757             for (i = 0; i < vec_len (resolution_failures); i++) {
 758                 pr = pool_elt_at_index (vam->pending_routes,
 759                                         resolution_failures[i]);
 760                 adr = &pr->r;
 761                 pme = &pr->t;
 762
 763                 switch (pr->resolve_type) {
 764                 case RESOLVE_IP4_ADD_DEL_ROUTE:
 765                     clib_warning ("resolver: add %U/%d via %U retry failure",
 766                                   format_ip4_address,
 767                                   (ip4_address_t *)&(adr->dst_address),
 768                                   adr->dst_address_length,
 769                                   format_ip4_address,
 770                                   (ip4_address_t *)&(adr->next_hop_address));
 771                     break;
 772
 773                 case RESOLVE_IP6_ADD_DEL_ROUTE:
 774                     clib_warning ("resolver: add %U/%d via %U retry failure",
 775                                   format_ip6_address,
 776                                   (ip6_address_t *)&(adr->dst_address),
 777                                   adr->dst_address_length,
 778                                   format_ip6_address,
 779                                   (ip6_address_t *)&(adr->next_hop_address));
 780                     break;
 781
 782                 case RESOLVE_MPLS_ETHERNET_ADD_DEL:
 783                     clib_warning ("resolver: add mpls-o-e via %U retry failure",
 784                                   format_ip4_address,
 785                    (ip4_address_t *)&(pme->next_hop_ip4_address_in_outer_vrf));
 786                     break;
 787
 788                 default:
 789                     clib_warning ("BUG");
 790                 }
 791                 pool_put(vam->pending_routes, pr);
 792             }
 793             vec_reset_length (resolution_failures);
 794             break;
 795         }
 796         if (pool_elts (vam->pending_routes) == 0)
 797             timeout = 100.0;
 798         vec_reset_length (event_data);
 799     }
 800     return 0; /* or not */
 801 }
 802
 803 VLIB_REGISTER_NODE (vpe_resolver_process_node,static) = {
 804     .function = resolver_process,
 805     .type = VLIB_NODE_TYPE_PROCESS,
 806     .name = "vpe-route-resolver-process",
 807 };
 808
 809 static int ip4_add_del_route_t_handler (vl_api_ip_add_del_route_t *mp)
 810 {
 811     ip4_main_t * im = &ip4_main;
 812     ip_lookup_main_t * lm = &im->lookup_main;
 813     vnet_classify_main_t * cm = &vnet_classify_main;
 814     stats_main_t * sm = &stats_main;
 815     ip4_add_del_route_args_t a;
 816     ip4_address_t next_hop_address;
 817     u32 fib_index;
 818     vpe_api_main_t * vam = &vpe_api_main;
 819     vnet_main_t * vnm = vam->vnet_main;
 820     vlib_main_t * vm = vlib_get_main();
 821     pending_route_t * pr;
 822     vl_api_ip_add_del_route_t * adr;
 823     uword * p;
 824     clib_error_t * e;
 825     u32 ai;
 826     ip_adjacency_t *nh_adj, *add_adj = 0;
 827
 828     p = hash_get (im->fib_index_by_table_id, ntohl(mp->vrf_id));
 829     if (!p) {
 830         if (mp->create_vrf_if_needed) {
 831             ip4_fib_t * f;
 832             f = find_ip4_fib_by_table_index_or_id (im, ntohl(mp->vrf_id),
 833                                                    0 /* flags */);
 834             fib_index = f->index;
 835         } else {
 836             /* No such VRF, and we weren't asked to create one */
 837             return VNET_API_ERROR_NO_SUCH_FIB;
 838         }
 839     } else {
 840         fib_index = p[0];
 841     }
 842
 843     if (pool_is_free_index (vnm->interface_main.sw_interfaces,
 844                             ntohl(mp->next_hop_sw_if_index)))
 845         return VNET_API_ERROR_NO_MATCHING_INTERFACE;
 846
 847     clib_memcpy (next_hop_address.data, mp->next_hop_address,
 848             sizeof (next_hop_address.data));
 849
 850     /* Arp for the next_hop if necessary */
 851     if (mp->is_add && mp->resolve_if_needed) {
 852         u32 lookup_result;
 853         ip_adjacency_t * adj;
 854
 855         lookup_result = ip4_fib_lookup_with_table
 856             (im, fib_index, &next_hop_address, 1 /* disable default route */);
 857
 858         adj = ip_get_adjacency (lm, lookup_result);
 859
 860         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
 861             pool_get (vam->pending_routes, pr);
 862             pr->resolve_type = RESOLVE_IP4_ADD_DEL_ROUTE;
 863             adr = &pr->r;
 864             clib_memcpy (adr, mp, sizeof (*adr));
 865             /* recursion block, "just in case" */
 866             adr->resolve_if_needed = 0;
 867             adr->resolve_attempts = ntohl(mp->resolve_attempts);
 868             vnet_register_ip4_arp_resolution_event
 869                 (vnm, &next_hop_address, vpe_resolver_process_node.index,
 870                  RESOLUTION_EVENT, pr - vam->pending_routes);
 871
 872             vlib_process_signal_event
 873                 (vm, vpe_resolver_process_node.index,
 874                  RESOLUTION_PENDING_EVENT, 0 /* data */);
 875
 876             /* The interface may be down, etc. */
 877             e = ip4_probe_neighbor
 878                 (vm, (ip4_address_t *)&(mp->next_hop_address),
 879                  ntohl(mp->next_hop_sw_if_index));
 880
 881             if (e)
 882                 clib_error_report(e);
 883
 884             return VNET_API_ERROR_IN_PROGRESS;
 885         }
 886     }
 887
 888     if (mp->is_multipath) {
 889         u32 flags;
 890
 891         dslock (sm, 1 /* release hint */, 10 /* tag */);
 892
 893         if (mp->is_add)
 894            flags = IP4_ROUTE_FLAG_ADD;
 895         else
 896            flags = IP4_ROUTE_FLAG_DEL;
 897
 898         if (mp->not_last)
 899             flags |= IP4_ROUTE_FLAG_NOT_LAST_IN_GROUP;
 900
 901         ip4_add_del_route_next_hop (im, flags,
 902                                     (ip4_address_t *) mp->dst_address,
 903                                     (u32) mp->dst_address_length,
 904                                     (ip4_address_t *) mp->next_hop_address,
 905                                     ntohl(mp->next_hop_sw_if_index),
 906                                     (u32) mp->next_hop_weight,
 907                                     ~0 /* adj_index */,
 908                                     fib_index);
 909         dsunlock(sm);
 910         return 0;
 911     }
 912
 913     memset (&a, 0, sizeof (a));
 914     clib_memcpy (a.dst_address.data, mp->dst_address, sizeof (a.dst_address.data));
 915
 916     a.dst_address_length = mp->dst_address_length;
 917
 918     a.flags = (mp->is_add ? IP4_ROUTE_FLAG_ADD : IP4_ROUTE_FLAG_DEL);
 919     a.flags |= IP4_ROUTE_FLAG_FIB_INDEX;
 920     a.table_index_or_table_id = fib_index;
 921     a.add_adj = 0;
 922     a.n_add_adj = 0;
 923
 924     if (mp->not_last)
 925         a.flags |= IP4_ROUTE_FLAG_NOT_LAST_IN_GROUP;
 926
 927     dslock (sm, 1 /* release hint */, 2 /* tag */);
 928
 929     if (mp->is_add) {
 930         if (mp->is_drop)
 931             ai = lm->drop_adj_index;
 932         else if (mp->is_local)
 933             ai = lm->local_adj_index;
 934         else if (mp->is_classify) {
 935             ip_adjacency_t cadj;
 936             memset(&cadj, 0, sizeof(cadj));
 937             cadj.lookup_next_index = IP_LOOKUP_NEXT_CLASSIFY;
 938             cadj.classify.table_index = ntohl(mp->classify_table_index);
 939             if (pool_is_free_index (cm->tables, cadj.classify.table_index)) {
 940                 dsunlock(sm);
 941                 return VNET_API_ERROR_NO_SUCH_TABLE;
 942             }
 943             vec_add1 (add_adj, cadj);
 944             goto do_add_del;
 945         }
 946         else {
 947             ai = ip4_fib_lookup_with_table
 948                 (im, fib_index, &next_hop_address,
 949                  1 /* disable default route */);
 950             if (ai == lm->miss_adj_index) {
 951                 dsunlock(sm);
 952                 return VNET_API_ERROR_NEXT_HOP_NOT_IN_FIB;
 953             }
 954         }
 955
 956         nh_adj = ip_get_adjacency (lm, ai);
 957         vec_add1 (add_adj, nh_adj[0]);
 958         if (mp->lookup_in_vrf) {
 959             p = hash_get (im->fib_index_by_table_id, ntohl(mp->lookup_in_vrf));
 960             if (p)
 961                 add_adj[0].explicit_fib_index = p[0];
 962             else {
 963                 vec_free (add_adj);
 964                 dsunlock(sm);
 965                 return VNET_API_ERROR_NO_SUCH_INNER_FIB;
 966             }
 967         }
 968     } else {
 969         ip_adjacency_t * adj;
 970         int disable_default_route = 1;
 971
 972         /* Trying to delete the default route? */
 973         if (a.dst_address.as_u32 == 0 &&
 974             a.dst_address_length == 0)
 975             disable_default_route = 0;
 976
 977         ai = ip4_fib_lookup_with_table
 978             (im, fib_index, &a.dst_address, disable_default_route);
 979         if (ai == lm->miss_adj_index) {
 980             dsunlock(sm);
 981             return VNET_API_ERROR_UNKNOWN_DESTINATION;
 982         }
 983
 984         adj = ip_get_adjacency (lm, ai);
 985         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
 986             dsunlock(sm);
 987             return VNET_API_ERROR_ADDRESS_MATCHES_INTERFACE_ADDRESS;
 988         }
 989     }
 990
 991 do_add_del:
 992     a.adj_index = ~0;
 993     a.add_adj = add_adj;
 994     a.n_add_adj = vec_len(add_adj);
 995     ip4_add_del_route (im, &a);
 996
 997     vec_free (add_adj);
 998
 999     dsunlock (sm);
1000     return 0;
1001 }
1002
1003 static int ip6_add_del_route_t_handler (vl_api_ip_add_del_route_t *mp)
1004 {
1005     ip6_main_t * im = &ip6_main;
1006     ip_lookup_main_t * lm = &im->lookup_main;
1007     vnet_main_t * vnm = vnet_get_main();
1008     vlib_main_t * vm = vlib_get_main();
1009     vpe_api_main_t * vam = &vpe_api_main;
1010     stats_main_t * sm = &stats_main;
1011     ip6_add_del_route_args_t a;
1012     ip6_address_t next_hop_address;
1013     pending_route_t * pr;
1014     vl_api_ip_add_del_route_t * adr;
1015
1016     u32 fib_index;
1017     uword * p;
1018     clib_error_t * e;
1019     ip_adjacency_t * nh_adj, * add_adj = 0;
1020     u32 ai;
1021
1022     p = hash_get (im->fib_index_by_table_id, ntohl(mp->vrf_id));
1023
1024     if (!p) {
1025         if (mp->create_vrf_if_needed) {
1026             ip6_fib_t * f;
1027             f = find_ip6_fib_by_table_index_or_id (im, ntohl(mp->vrf_id),
1028                                                    0 /* flags */);
1029             fib_index = f->index;
1030         } else {
1031             /* No such VRF, and we weren't asked to create one */
1032             return VNET_API_ERROR_NO_SUCH_FIB;
1033         }
1034     } else {
1035         fib_index = p[0];
1036     }
1037
1038     if (pool_is_free_index (vnm->interface_main.sw_interfaces,
1039                             ntohl(mp->next_hop_sw_if_index)))
1040         return VNET_API_ERROR_NO_MATCHING_INTERFACE;
1041
1042     clib_memcpy (next_hop_address.as_u8, mp->next_hop_address,
1043             sizeof (next_hop_address.as_u8));
1044
1045     /* Arp for the next_hop if necessary */
1046     if (mp->is_add && mp->resolve_if_needed) {
1047         u32 lookup_result;
1048         ip_adjacency_t * adj;
1049
1050         lookup_result = ip6_fib_lookup_with_table
1051             (im, fib_index, &next_hop_address);
1052
1053         adj = ip_get_adjacency (lm, lookup_result);
1054
1055         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
1056             pool_get (vam->pending_routes, pr);
1057             adr = &pr->r;
1058             pr->resolve_type = RESOLVE_IP6_ADD_DEL_ROUTE;
1059             clib_memcpy (adr, mp, sizeof (*adr));
1060             /* recursion block, "just in case" */
1061             adr->resolve_if_needed = 0;
1062             adr->resolve_attempts = ntohl(mp->resolve_attempts);
1063             vnet_register_ip6_neighbor_resolution_event
1064                 (vnm, &next_hop_address, vpe_resolver_process_node.index,
1065                  RESOLUTION_EVENT, pr - vam->pending_routes);
1066
1067             vlib_process_signal_event
1068                 (vm, vpe_resolver_process_node.index,
1069                  RESOLUTION_PENDING_EVENT, 0 /* data */);
1070
1071             /* The interface may be down, etc. */
1072             e = ip6_probe_neighbor
1073                 (vm, (ip6_address_t *)&(mp->next_hop_address),
1074                  ntohl(mp->next_hop_sw_if_index));
1075
1076             if (e)
1077                 clib_error_report(e);
1078
1079             return VNET_API_ERROR_IN_PROGRESS;
1080         }
1081     }
1082
1083     if (mp->is_multipath) {
1084         u32 flags;
1085
1086         dslock (sm, 1 /* release hint */, 11 /* tag */);
1087
1088         if (mp->is_add)
1089             flags = IP6_ROUTE_FLAG_ADD;
1090         else
1091             flags = IP6_ROUTE_FLAG_DEL;
1092
1093         if (mp->not_last)
1094             flags |= IP6_ROUTE_FLAG_NOT_LAST_IN_GROUP;
1095
1096         ip6_add_del_route_next_hop (im, flags, (ip6_address_t *)mp->dst_address,
1097                                     (u32) mp->dst_address_length,
1098                                     (ip6_address_t *)mp->next_hop_address,
1099                                     ntohl(mp->next_hop_sw_if_index),
1100                                     (u32) mp->next_hop_weight,
1101                                     ~0 /* adj_index */,
1102                                     fib_index);
1103         dsunlock(sm);
1104         return 0;
1105     }
1106
1107     memset (&a, 0, sizeof (a));
1108     clib_memcpy (a.dst_address.as_u8, mp->dst_address, sizeof (a.dst_address.as_u8));
1109
1110     a.dst_address_length = mp->dst_address_length;
1111
1112     a.flags = (mp->is_add ? IP6_ROUTE_FLAG_ADD : IP6_ROUTE_FLAG_DEL);
1113     a.flags |= IP6_ROUTE_FLAG_FIB_INDEX;
1114     a.table_index_or_table_id = fib_index;
1115     a.add_adj = 0;
1116     a.n_add_adj = 0;
1117
1118     if (mp->not_last)
1119         a.flags |= IP6_ROUTE_FLAG_NOT_LAST_IN_GROUP;
1120
1121     dslock (sm, 1 /* release hint */, 3 /* tag */);
1122
1123     if (mp->is_add) {
1124         if (mp->is_drop)
1125             ai = lm->drop_adj_index;
1126         else if (mp->is_local)
1127             ai = lm->local_adj_index;
1128         else {
1129             ai = ip6_fib_lookup_with_table
1130                 (im, fib_index, &next_hop_address);
1131             if (ai == lm->miss_adj_index) {
1132                 dsunlock(sm);
1133                 return VNET_API_ERROR_NEXT_HOP_NOT_IN_FIB;
1134             }
1135         }
1136
1137         nh_adj = ip_get_adjacency (lm, ai);
1138         vec_add1 (add_adj, nh_adj[0]);
1139         if (mp->lookup_in_vrf) {
1140             p = hash_get (im->fib_index_by_table_id, ntohl(mp->lookup_in_vrf));
1141             if (p)
1142                 add_adj[0].explicit_fib_index = p[0];
1143             else {
1144                 vec_free (add_adj);
1145                 dsunlock(sm);
1146                 return VNET_API_ERROR_NO_SUCH_INNER_FIB;
1147             }
1148         }
1149     } else {
1150         ip_adjacency_t * adj;
1151
1152         ai = ip6_fib_lookup_with_table
1153             (im, fib_index, &a.dst_address);
1154         if (ai == lm->miss_adj_index) {
1155             dsunlock(sm);
1156             return VNET_API_ERROR_UNKNOWN_DESTINATION;
1157         }
1158         adj = ip_get_adjacency (lm, ai);
1159         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
1160             dsunlock(sm);
1161             return VNET_API_ERROR_ADDRESS_MATCHES_INTERFACE_ADDRESS;
1162         }
1163     }
1164
1165     a.adj_index = ~0;
1166     a.add_adj = add_adj;
1167     a.n_add_adj = vec_len(add_adj);
1168     ip6_add_del_route (im, &a);
1169
1170     vec_free (add_adj);
1171
1172     dsunlock (sm);
1173     return 0;
1174 }
1175
1176 void vl_api_ip_add_del_route_t_handler (
1177     vl_api_ip_add_del_route_t *mp)
1178 {
1179     vl_api_ip_add_del_route_reply_t * rmp;
1180     int rv;
1181     vnet_main_t * vnm = vnet_get_main();
1182
1183     vnm->api_errno = 0;
1184
1185     if (mp->is_ipv6)
1186         rv = ip6_add_del_route_t_handler (mp);
1187     else
1188         rv = ip4_add_del_route_t_handler (mp);
1189
1190     rv = (rv == 0) ? vnm->api_errno : rv;
1191
1192     REPLY_MACRO(VL_API_IP_ADD_DEL_ROUTE_REPLY);
1193 }
1194
1195 void api_config_default_ip_route (u8 is_ipv6, u8 is_add, u32 vrf_id,
1196                                   u32 sw_if_index, u8 *next_hop_addr)
1197 {
1198     vl_api_ip_add_del_route_t mp;
1199     int rv;
1200
1201     memset (&mp, 0, sizeof(vl_api_ip_add_del_route_t));
1202
1203     /*
1204      * Configure default IP route:
1205      *  - ip route add 0.0.0.0/1 via <GW IP>
1206      *  - ip route add 128.0.0.0/1 via <GW IP>
1207      */
1208     mp.next_hop_sw_if_index = ntohl(sw_if_index);
1209     mp.vrf_id = vrf_id;
1210     mp.resolve_attempts = ~0;
1211     mp.resolve_if_needed = 1;
1212     mp.is_add = is_add;
1213     mp.is_ipv6 = is_ipv6;
1214     mp.next_hop_weight = 1;
1215
1216     clib_memcpy (&mp.next_hop_address[0], next_hop_addr, 16);
1217
1218     if (is_ipv6)
1219         rv = ip6_add_del_route_t_handler (&mp);
1220     else
1221       {
1222         mp.dst_address_length = 1;
1223
1224         mp.dst_address[0] = 0;
1225         rv = ip4_add_del_route_t_handler (&mp);
1226
1227         mp.dst_address[0] = 128;
1228         rv |= ip4_add_del_route_t_handler (&mp);
1229       }
1230
1231     if (rv)
1232         clib_error_return (0, "failed to config default IP route");
1233
1234 }
1235
1236 static void
1237 vl_api_sw_interface_add_del_address_t_handler
1238 (vl_api_sw_interface_add_del_address_t *mp)
1239 {
1240     vlib_main_t *vm = vlib_get_main();
1241     vl_api_sw_interface_add_del_address_reply_t * rmp;
1242     int rv = 0;
1243     u32 is_del;
1244
1245     VALIDATE_SW_IF_INDEX(mp);
1246
1247     is_del = mp->is_add == 0;
1248
1249     if (mp->del_all)
1250         ip_del_all_interface_addresses (vm, ntohl(mp->sw_if_index));
1251     else if (mp->is_ipv6)
1252         ip6_add_del_interface_address (vm, ntohl(mp->sw_if_index),
1253                                        (void *)mp->address,
1254                                        mp->address_length, is_del);
1255     else
1256         ip4_add_del_interface_address (vm, ntohl(mp->sw_if_index),
1257                                        (void *) mp->address,
1258                                        mp->address_length, is_del);
1259
1260     BAD_SW_IF_INDEX_LABEL;
1261
1262     REPLY_MACRO(VL_API_SW_INTERFACE_ADD_DEL_ADDRESS_REPLY);
1263 }
1264
1265 static void
1266 vl_api_sw_interface_set_table_t_handler (vl_api_sw_interface_set_table_t *mp)
1267 {
1268     int rv = 0;
1269     u32 table_id = ntohl(mp->vrf_id);
1270     u32 sw_if_index = ntohl(mp->sw_if_index);
1271     vl_api_sw_interface_set_table_reply_t * rmp;
1272     stats_main_t * sm = &stats_main;
1273
1274     VALIDATE_SW_IF_INDEX(mp);
1275
1276     dslock (sm, 1 /* release hint */, 4 /* tag */);
1277
1278     if (mp->is_ipv6) {
1279         ip6_main_t * im = &ip6_main;
1280         ip6_fib_t * fib =
1281             find_ip6_fib_by_table_index_or_id (im, table_id,
1282                                                IP6_ROUTE_FLAG_TABLE_ID);
1283         if (fib) {
1284             vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
1285             im->fib_index_by_sw_if_index[sw_if_index] = fib->index;
1286         } else {
1287             rv = VNET_API_ERROR_NO_SUCH_FIB;
1288         }
1289     } else {
1290         ip4_main_t * im = &ip4_main;
1291         ip4_fib_t * fib = find_ip4_fib_by_table_index_or_id
1292             (im, table_id, IP4_ROUTE_FLAG_TABLE_ID);
1293
1294         /* Truthfully this can't fail */
1295         if (fib) {
1296             vec_validate (im->fib_index_by_sw_if_index, sw_if_index);
1297             im->fib_index_by_sw_if_index[sw_if_index] = fib->index;
1298         } else {
1299             rv = VNET_API_ERROR_NO_SUCH_FIB;
1300         }
1301     }
1302     dsunlock(sm);
1303
1304     BAD_SW_IF_INDEX_LABEL;
1305
1306     REPLY_MACRO(VL_API_SW_INTERFACE_SET_TABLE_REPLY);
1307 }
1308
1309 static void
1310 vl_api_sw_interface_set_vpath_t_handler (vl_api_sw_interface_set_vpath_t *mp)
1311 {
1312     vlib_main_t *vm = vlib_get_main();
1313     vl_api_sw_interface_set_vpath_reply_t * rmp;
1314     int rv = 0;
1315     u32 ci;
1316     u32 sw_if_index = ntohl(mp->sw_if_index);
1317     ip4_main_t   *ip4m = &ip4_main;
1318     ip6_main_t   *ip6m = &ip6_main;
1319     ip_lookup_main_t *ip4lm = &ip4m->lookup_main;
1320     ip_lookup_main_t *ip6lm = &ip6m->lookup_main;
1321     ip_config_main_t *rx_cm4u = &ip4lm->rx_config_mains[VNET_UNICAST];
1322     ip_config_main_t *rx_cm4m = &ip4lm->rx_config_mains[VNET_MULTICAST];
1323     ip_config_main_t *rx_cm6u = &ip6lm->rx_config_mains[VNET_UNICAST];
1324     ip_config_main_t *rx_cm6m = &ip6lm->rx_config_mains[VNET_MULTICAST];
1325
1326     VALIDATE_SW_IF_INDEX(mp);
1327
1328     l2input_intf_bitmap_enable(sw_if_index, L2INPUT_FEAT_VPATH, mp->enable);
1329     if (mp->enable) {
1330         ci = rx_cm4u->config_index_by_sw_if_index[sw_if_index]; //IP4 unicast
1331         ci = vnet_config_add_feature(vm, &rx_cm4u->config_main,
1332                                      ci, IP4_RX_FEATURE_VPATH, 0, 0);
1333         rx_cm4u->config_index_by_sw_if_index[sw_if_index] = ci;
1334         ci = rx_cm4m->config_index_by_sw_if_index[sw_if_index]; //IP4 mcast
1335         ci = vnet_config_add_feature(vm, &rx_cm4m->config_main,
1336                                      ci, IP4_RX_FEATURE_VPATH, 0, 0);
1337         rx_cm4m->config_index_by_sw_if_index[sw_if_index] = ci;
1338         ci = rx_cm6u->config_index_by_sw_if_index[sw_if_index]; //IP6 unicast
1339         ci = vnet_config_add_feature(vm, &rx_cm6u->config_main,
1340                                      ci, IP6_RX_FEATURE_VPATH, 0, 0);
1341         rx_cm6u->config_index_by_sw_if_index[sw_if_index] = ci;
1342         ci = rx_cm6m->config_index_by_sw_if_index[sw_if_index]; //IP6 mcast
1343         ci = vnet_config_add_feature(vm, &rx_cm6m->config_main,
1344                                      ci, IP6_RX_FEATURE_VPATH, 0, 0);
1345         rx_cm6m->config_index_by_sw_if_index[sw_if_index] = ci;
1346     } else {
1347         ci = rx_cm4u->config_index_by_sw_if_index[sw_if_index]; //IP4 unicast
1348         ci = vnet_config_del_feature(vm, &rx_cm4u->config_main,
1349                                      ci, IP4_RX_FEATURE_VPATH, 0, 0);
1350         rx_cm4u->config_index_by_sw_if_index[sw_if_index] = ci;
1351         ci = rx_cm4m->config_index_by_sw_if_index[sw_if_index]; //IP4 mcast
1352         ci = vnet_config_del_feature(vm, &rx_cm4m->config_main,
1353                                      ci, IP4_RX_FEATURE_VPATH, 0, 0);
1354         rx_cm4m->config_index_by_sw_if_index[sw_if_index] = ci;
1355         ci = rx_cm6u->config_index_by_sw_if_index[sw_if_index]; //IP6 unicast
1356         ci = vnet_config_del_feature(vm, &rx_cm6u->config_main,
1357                                      ci, IP6_RX_FEATURE_VPATH, 0, 0);
1358         rx_cm6u->config_index_by_sw_if_index[sw_if_index] = ci;
1359         ci = rx_cm6m->config_index_by_sw_if_index[sw_if_index]; //IP6 mcast
1360         ci = vnet_config_del_feature(vm, &rx_cm6m->config_main,
1361                                      ci, IP6_RX_FEATURE_VPATH, 0, 0);
1362         rx_cm6m->config_index_by_sw_if_index[sw_if_index] = ci;
1363     }
1364
1365     BAD_SW_IF_INDEX_LABEL;
1366
1367     REPLY_MACRO(VL_API_SW_INTERFACE_SET_VPATH_REPLY);
1368 }
1369
1370 static void
1371 vl_api_sw_interface_set_l2_xconnect_t_handler (
1372     vl_api_sw_interface_set_l2_xconnect_t *mp)
1373 {
1374     vl_api_sw_interface_set_l2_xconnect_reply_t * rmp;
1375     int rv = 0;
1376     u32 rx_sw_if_index = ntohl(mp->rx_sw_if_index);
1377     u32 tx_sw_if_index = ntohl(mp->tx_sw_if_index);
1378     vlib_main_t *vm  = vlib_get_main();
1379     vnet_main_t *vnm = vnet_get_main();
1380
1381     VALIDATE_RX_SW_IF_INDEX(mp);
1382
1383     if (mp->enable) {
1384         VALIDATE_TX_SW_IF_INDEX(mp);
1385         rv = set_int_l2_mode(vm, vnm, MODE_L2_XC,
1386                              rx_sw_if_index, 0, 0, 0, tx_sw_if_index);
1387     } else {
1388         rv = set_int_l2_mode(vm, vnm, MODE_L3, rx_sw_if_index, 0, 0, 0, 0);
1389     }
1390
1391     BAD_RX_SW_IF_INDEX_LABEL;
1392     BAD_TX_SW_IF_INDEX_LABEL;
1393
1394     REPLY_MACRO(VL_API_SW_INTERFACE_SET_L2_XCONNECT_REPLY);
1395 }
1396
1397 static void
1398 vl_api_sw_interface_set_l2_bridge_t_handler (
1399     vl_api_sw_interface_set_l2_bridge_t *mp)
1400 {
1401     bd_main_t * bdm = &bd_main;
1402     vl_api_sw_interface_set_l2_bridge_reply_t * rmp;
1403     int rv = 0;
1404     u32 rx_sw_if_index = ntohl(mp->rx_sw_if_index);
1405     u32 bd_id = ntohl(mp->bd_id);
1406     u32 bd_index;
1407     u32 bvi = mp->bvi;
1408     u8 shg = mp->shg;
1409     vlib_main_t *vm  = vlib_get_main();
1410     vnet_main_t *vnm = vnet_get_main();
1411
1412     VALIDATE_RX_SW_IF_INDEX(mp);
1413
1414     bd_index = bd_find_or_add_bd_index (bdm, bd_id);
1415
1416     if (mp->enable) {
1417         //VALIDATE_TX_SW_IF_INDEX(mp);
1418         rv = set_int_l2_mode(vm, vnm, MODE_L2_BRIDGE,
1419                              rx_sw_if_index, bd_index, bvi, shg, 0);
1420     } else {
1421         rv = set_int_l2_mode(vm, vnm, MODE_L3, rx_sw_if_index, 0, 0, 0, 0);
1422     }
1423
1424     BAD_RX_SW_IF_INDEX_LABEL;
1425
1426     REPLY_MACRO(VL_API_SW_INTERFACE_SET_L2_BRIDGE_REPLY);
1427 }
1428
1429 static void
1430 vl_api_bridge_domain_add_del_t_handler (
1431     vl_api_bridge_domain_add_del_t *mp)
1432 {
1433     vlib_main_t * vm = vlib_get_main ();
1434     bd_main_t * bdm = &bd_main;
1435     vl_api_bridge_domain_add_del_reply_t * rmp;
1436     int rv = 0;
1437     u32 enable_flags = 0, disable_flags = 0;
1438     u32 bd_id = ntohl(mp->bd_id);
1439     u32 bd_index;
1440
1441     if (mp->is_add) {
1442         bd_index = bd_find_or_add_bd_index (bdm, bd_id);
1443
1444         if (mp->flood)
1445             enable_flags |= L2_FLOOD;
1446         else
1447             disable_flags |= L2_FLOOD;
1448
1449         if (mp->uu_flood)
1450             enable_flags |= L2_UU_FLOOD;
1451         else
1452             disable_flags |= L2_UU_FLOOD;
1453
1454         if (mp->forward)
1455             enable_flags |= L2_FWD;
1456         else
1457             disable_flags |= L2_FWD;
1458
1459         if (mp->arp_term)
1460             enable_flags |= L2_ARP_TERM;
1461         else
1462             disable_flags |= L2_ARP_TERM;
1463
1464         if (mp->learn)
1465             enable_flags |= L2_LEARN;
1466         else
1467             disable_flags |= L2_LEARN;
1468
1469         if (enable_flags)
1470             bd_set_flags (vm, bd_index, enable_flags, 1 /* enable */);
1471
1472         if (disable_flags)
1473             bd_set_flags (vm, bd_index, disable_flags, 0 /* disable */);
1474
1475     } else
1476         rv = bd_delete_bd_index(bdm, bd_id);
1477
1478     REPLY_MACRO(VL_API_BRIDGE_DOMAIN_ADD_DEL_REPLY);
1479 }
1480
1481 static void vl_api_bridge_domain_details_t_handler (
1482     vl_api_bridge_domain_details_t * mp)
1483 {
1484     clib_warning ("BUG");
1485 }
1486
1487 static void vl_api_bridge_domain_sw_if_details_t_handler (
1488     vl_api_bridge_domain_sw_if_details_t * mp)
1489 {
1490     clib_warning ("BUG");
1491 }
1492
1493 static void send_bridge_domain_details (unix_shared_memory_queue_t *q,
1494                                         l2_bridge_domain_t * bd_config,
1495                                         u32 n_sw_ifs)
1496 {
1497     vl_api_bridge_domain_details_t * mp;
1498
1499     mp = vl_msg_api_alloc (sizeof (*mp));
1500     memset (mp, 0, sizeof (*mp));
1501     mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_DETAILS);
1502     mp->bd_id = ntohl (bd_config->bd_id);
1503     mp->flood = bd_feature_flood (bd_config);
1504     mp->uu_flood = bd_feature_uu_flood (bd_config);
1505     mp->forward = bd_feature_forward (bd_config);
1506     mp->learn = bd_feature_learn (bd_config);
1507     mp->arp_term = bd_feature_arp_term (bd_config);
1508     mp->bvi_sw_if_index = ntohl (bd_config->bvi_sw_if_index);
1509     mp->n_sw_ifs = ntohl (n_sw_ifs);
1510
1511     vl_msg_api_send_shmem (q, (u8 *)&mp);
1512 }
1513
1514 static void send_bd_sw_if_details (l2input_main_t * l2im,
1515                                    unix_shared_memory_queue_t *q,
1516                                    l2_flood_member_t * member, u32 bd_id)
1517 {
1518     vl_api_bridge_domain_sw_if_details_t * mp;
1519     l2_input_config_t * input_cfg;
1520
1521     mp = vl_msg_api_alloc (sizeof (*mp));
1522     memset (mp, 0, sizeof (*mp));
1523     mp->_vl_msg_id = ntohs (VL_API_BRIDGE_DOMAIN_SW_IF_DETAILS);
1524     mp->bd_id = ntohl (bd_id);
1525     mp->sw_if_index = ntohl (member->sw_if_index);
1526     input_cfg = vec_elt_at_index (l2im->configs, member->sw_if_index);
1527     mp->shg = input_cfg->shg;
1528
1529     vl_msg_api_send_shmem (q, (u8 *)&mp);
1530 }
1531
1532 static void vl_api_bridge_domain_dump_t_handler (
1533     vl_api_bridge_domain_dump_t *mp)
1534 {
1535     bd_main_t * bdm = &bd_main;
1536     l2input_main_t * l2im = &l2input_main;
1537     unix_shared_memory_queue_t * q;
1538     l2_bridge_domain_t * bd_config;
1539     u32 bd_id, bd_index;
1540     u32 end;
1541
1542     q = vl_api_client_index_to_input_queue (mp->client_index);
1543
1544     if (q == 0)
1545         return;
1546
1547     bd_id = ntohl(mp->bd_id);
1548
1549     bd_index = (bd_id == ~0) ? 0 : bd_find_or_add_bd_index (bdm, bd_id);
1550     end = (bd_id == ~0) ? vec_len (l2im->bd_configs) : bd_index + 1;
1551     for (; bd_index < end; bd_index++) {
1552         bd_config = l2input_bd_config_from_index (l2im, bd_index);
1553         /* skip dummy bd_id 0 */
1554         if (bd_config && (bd_config->bd_id > 0)) {
1555             u32 n_sw_ifs;
1556             l2_flood_member_t * m;
1557
1558             n_sw_ifs = vec_len (bd_config->members);
1559             send_bridge_domain_details (q, bd_config, n_sw_ifs);
1560
1561             vec_foreach (m, bd_config->members) {
1562                 send_bd_sw_if_details (l2im, q, m, bd_config->bd_id);
1563             }
1564         }
1565     }
1566 }
1567
1568 static void
1569 vl_api_l2fib_add_del_t_handler (
1570     vl_api_l2fib_add_del_t *mp)
1571 {
1572     bd_main_t * bdm = &bd_main;
1573     l2input_main_t * l2im = &l2input_main;
1574     vl_api_l2fib_add_del_reply_t * rmp;
1575     int rv = 0;
1576     u64 mac = 0;
1577     u32 sw_if_index = ntohl(mp->sw_if_index);
1578     u32 bd_id = ntohl(mp->bd_id);
1579     u32 bd_index;
1580     u32 static_mac;
1581     u32 filter_mac;
1582     uword * p;
1583
1584     mac = mp->mac;
1585
1586     p = hash_get (bdm->bd_index_by_bd_id, bd_id);
1587     if (!p) {
1588         rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1589         goto bad_sw_if_index;
1590     }
1591     bd_index = p[0];
1592
1593     if (mp->is_add) {
1594         VALIDATE_SW_IF_INDEX(mp);
1595         if (vec_len(l2im->configs) <= sw_if_index) {
1596             rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1597             goto bad_sw_if_index;
1598         } else {
1599             l2_input_config_t * config;
1600             config = vec_elt_at_index(l2im->configs, sw_if_index);
1601             if (config->bridge == 0) {
1602                 rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
1603                 goto bad_sw_if_index;
1604             }
1605         }
1606         static_mac = mp->static_mac ? 1 : 0;
1607         filter_mac = mp->filter_mac ? 1 : 0;
1608         l2fib_add_entry(mac, bd_index, sw_if_index, static_mac, filter_mac,
1609                         0 /* bvi_mac */);
1610     } else {
1611         l2fib_del_entry(mac, bd_index);
1612     }
1613
1614     BAD_SW_IF_INDEX_LABEL;
1615
1616     REPLY_MACRO(VL_API_L2FIB_ADD_DEL_REPLY);
1617 }
1618
1619 static void
1620 vl_api_l2_flags_t_handler (
1621     vl_api_l2_flags_t *mp)
1622 {
1623     vl_api_l2_flags_reply_t * rmp;
1624     int rv = 0;
1625     u32 sw_if_index = ntohl(mp->sw_if_index);
1626     u32 flags = ntohl(mp->feature_bitmap);
1627     u32 rbm = 0;
1628
1629     VALIDATE_SW_IF_INDEX(mp);
1630
1631 #define _(a,b) \
1632     if (flags & L2INPUT_FEAT_ ## a) \
1633         rbm = l2input_intf_bitmap_enable (sw_if_index, L2INPUT_FEAT_ ## a, mp->is_set);
1634     foreach_l2input_feat;
1635 #undef _
1636
1637     BAD_SW_IF_INDEX_LABEL;
1638
1639     REPLY_MACRO2(VL_API_L2_FLAGS_REPLY, rmp->resulting_feature_bitmap = ntohl(rbm));
1640 }
1641
1642 static void
1643 vl_api_bridge_flags_t_handler (
1644     vl_api_bridge_flags_t *mp)
1645 {
1646     vlib_main_t *vm  = vlib_get_main();
1647     bd_main_t * bdm = &bd_main;
1648     vl_api_bridge_flags_reply_t * rmp;
1649     int rv = 0;
1650     u32 bd_id = ntohl(mp->bd_id);
1651     u32 bd_index;
1652     u32 flags = ntohl(mp->feature_bitmap);
1653     uword * p;
1654
1655     p = hash_get (bdm->bd_index_by_bd_id, bd_id);
1656     if (p == 0) {
1657         rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1658         goto out;
1659     }
1660
1661     bd_index = p[0];
1662
1663     bd_set_flags(vm, bd_index, flags, mp->is_set);
1664
1665 out:
1666     REPLY_MACRO2(VL_API_BRIDGE_FLAGS_REPLY,
1667                  rmp->resulting_feature_bitmap = ntohl(flags));
1668 }
1669
1670 static void
1671 vl_api_bd_ip_mac_add_del_t_handler (
1672     vl_api_bd_ip_mac_add_del_t *mp)
1673 {
1674     bd_main_t * bdm = &bd_main;
1675     vl_api_bd_ip_mac_add_del_reply_t * rmp;
1676     int rv = 0;
1677     u32 bd_id = ntohl(mp->bd_id);
1678     u32 bd_index;
1679     uword * p;
1680
1681     p = hash_get (bdm->bd_index_by_bd_id, bd_id);
1682     if (p == 0) {
1683         rv = VNET_API_ERROR_NO_SUCH_ENTRY;
1684         goto out;
1685     }
1686
1687     bd_index = p[0];
1688     if (bd_add_del_ip_mac(bd_index,  mp->ip_address,
1689                           mp->mac_address, mp->is_ipv6, mp->is_add))
1690         rv = VNET_API_ERROR_UNSPECIFIED;
1691
1692 out:
1693     REPLY_MACRO(VL_API_BD_IP_MAC_ADD_DEL_REPLY);
1694 }
1695
1696 static void
1697 vl_api_tap_connect_t_handler (vl_api_tap_connect_t *mp, vlib_main_t *vm)
1698 {
1699     int rv;
1700     vl_api_tap_connect_reply_t * rmp;
1701     unix_shared_memory_queue_t * q;
1702     u32 sw_if_index = (u32)~0;
1703
1704     rv = vnet_tap_connect_renumber (vm, mp->tap_name,
1705                            mp->use_random_mac ? 0 : mp->mac_address,
1706                            &sw_if_index, mp->renumber,
1707                            ntohl(mp->custom_dev_instance));
1708
1709     q = vl_api_client_index_to_input_queue (mp->client_index);
1710     if (!q)
1711         return;
1712
1713     rmp = vl_msg_api_alloc (sizeof (*rmp));
1714     rmp->_vl_msg_id = ntohs(VL_API_TAP_CONNECT_REPLY);
1715     rmp->context = mp->context;
1716     rmp->retval = ntohl(rv);
1717     rmp->sw_if_index = ntohl(sw_if_index);
1718
1719     vl_msg_api_send_shmem (q, (u8 *)&rmp);
1720 }
1721
1722 static void
1723 vl_api_tap_modify_t_handler (vl_api_tap_modify_t *mp, vlib_main_t *vm)
1724 {
1725     int rv;
1726     vl_api_tap_modify_reply_t * rmp;
1727     unix_shared_memory_queue_t * q;
1728     u32 sw_if_index = (u32)~0;
1729
1730     rv = vnet_tap_modify (vm, ntohl(mp->sw_if_index), mp->tap_name,
1731                            mp->use_random_mac ? 0 : mp->mac_address,
1732                            &sw_if_index, mp->renumber,
1733                            ntohl(mp->custom_dev_instance));
1734
1735     q = vl_api_client_index_to_input_queue (mp->client_index);
1736     if (!q)
1737         return;
1738
1739     rmp = vl_msg_api_alloc (sizeof (*rmp));
1740     rmp->_vl_msg_id = ntohs(VL_API_TAP_MODIFY_REPLY);
1741     rmp->context = mp->context;
1742     rmp->retval = ntohl(rv);
1743     rmp->sw_if_index = ntohl(sw_if_index);
1744
1745     vl_msg_api_send_shmem (q, (u8 *)&rmp);
1746 }
1747
1748 static void
1749 vl_api_tap_delete_t_handler (vl_api_tap_delete_t *mp, vlib_main_t *vm)
1750 {
1751     int rv;
1752     vpe_api_main_t * vam = &vpe_api_main;
1753     vl_api_tap_delete_reply_t * rmp;
1754     unix_shared_memory_queue_t * q;
1755     u32 sw_if_index = ntohl(mp->sw_if_index);
1756
1757     rv = vnet_tap_delete (vm, sw_if_index);
1758
1759     q = vl_api_client_index_to_input_queue (mp->client_index);
1760     if (!q)
1761         return;
1762
1763     rmp = vl_msg_api_alloc (sizeof (*rmp));
1764     rmp->_vl_msg_id = ntohs(VL_API_TAP_DELETE_REPLY);
1765     rmp->context = mp->context;
1766     rmp->retval = ntohl(rv);
1767
1768     vl_msg_api_send_shmem (q, (u8 *)&rmp);
1769
1770     if (!rv)
1771         send_sw_interface_flags_deleted (vam, q, sw_if_index);
1772 }
1773
1774 static void
1775 vl_api_create_vlan_subif_t_handler (vl_api_create_vlan_subif_t * mp)
1776 {
1777     vl_api_create_vlan_subif_reply_t * rmp;
1778     vnet_main_t * vnm = vnet_get_main();
1779     u32 hw_if_index, sw_if_index = (u32)~0;
1780     vnet_hw_interface_t * hi;
1781     int rv = 0;
1782     u32 id;
1783     vnet_sw_interface_t template;
1784     uword * p;
1785     vnet_interface_main_t * im = &vnm->interface_main;
1786     u64 sup_and_sub_key;
1787     u64 * kp;
1788     unix_shared_memory_queue_t * q;
1789     clib_error_t * error;
1790
1791     VALIDATE_SW_IF_INDEX(mp);
1792
1793     hw_if_index = ntohl(mp->sw_if_index);
1794     hi = vnet_get_hw_interface (vnm, hw_if_index);
1795
1796     id = ntohl(mp->vlan_id);
1797     if (id == 0 || id > 4095) {
1798         rv = VNET_API_ERROR_INVALID_VLAN;
1799         goto out;
1800     }
1801
1802     sup_and_sub_key = ((u64)(hi->sw_if_index) << 32) | (u64) id;
1803
1804     p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1805     if (p) {
1806         rv = VNET_API_ERROR_VLAN_ALREADY_EXISTS;
1807         goto out;
1808     }
1809
1810     kp = clib_mem_alloc (sizeof (*kp));
1811     *kp = sup_and_sub_key;
1812
1813     memset (&template, 0, sizeof (template));
1814     template.type = VNET_SW_INTERFACE_TYPE_SUB;
1815     template.sup_sw_if_index = hi->sw_if_index;
1816     template.sub.id = id;
1817     template.sub.eth.raw_flags = 0;
1818     template.sub.eth.flags.one_tag = 1;
1819     template.sub.eth.outer_vlan_id = id;
1820     template.sub.eth.flags.exact_match = 1;
1821
1822     error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1823     if (error) {
1824         clib_error_report(error);
1825         rv = VNET_API_ERROR_INVALID_REGISTRATION;
1826         goto out;
1827     }
1828     hash_set (hi->sub_interface_sw_if_index_by_id, id, sw_if_index);
1829     hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1830
1831     BAD_SW_IF_INDEX_LABEL;
1832
1833 out:
1834     q = vl_api_client_index_to_input_queue (mp->client_index);
1835     if (!q)
1836         return;
1837
1838     rmp = vl_msg_api_alloc (sizeof (*rmp));
1839     rmp->_vl_msg_id = ntohs(VL_API_CREATE_VLAN_SUBIF_REPLY);
1840     rmp->context = mp->context;
1841     rmp->retval = ntohl(rv);
1842     rmp->sw_if_index = ntohl(sw_if_index);
1843     vl_msg_api_send_shmem (q, (u8 *)&rmp);
1844 }
1845
1846 static void
1847 vl_api_create_subif_t_handler (vl_api_create_subif_t * mp)
1848 {
1849     vl_api_create_subif_reply_t * rmp;
1850     vnet_main_t * vnm = vnet_get_main();
1851     u32 sw_if_index = ~0;
1852     int rv = 0;
1853     u32 sub_id;
1854     vnet_sw_interface_t *si;
1855     vnet_hw_interface_t *hi;
1856     vnet_sw_interface_t template;
1857     uword * p;
1858     vnet_interface_main_t * im = &vnm->interface_main;
1859     u64 sup_and_sub_key;
1860     u64 * kp;
1861     clib_error_t * error;
1862
1863     VALIDATE_SW_IF_INDEX(mp);
1864
1865     si = vnet_get_sup_sw_interface (vnm, ntohl(mp->sw_if_index));
1866     hi = vnet_get_sup_hw_interface (vnm, ntohl(mp->sw_if_index));
1867
1868     if (hi->bond_info == VNET_HW_INTERFACE_BOND_INFO_SLAVE) {
1869          rv = VNET_API_ERROR_BOND_SLAVE_NOT_ALLOWED;
1870         goto out;
1871     }
1872
1873     sw_if_index = si->sw_if_index;
1874     sub_id = ntohl(mp->sub_id);
1875
1876     sup_and_sub_key = ((u64)(sw_if_index) << 32) | (u64) sub_id;
1877
1878     p = hash_get_mem (im->sw_if_index_by_sup_and_sub, &sup_and_sub_key);
1879     if (p) {
1880         if (CLIB_DEBUG > 0)
1881             clib_warning ("sup sw_if_index %d, sub id %d already exists\n",
1882                           sw_if_index, sub_id);
1883         rv = VNET_API_ERROR_SUBIF_ALREADY_EXISTS;
1884         goto out;
1885     }
1886
1887     kp = clib_mem_alloc (sizeof (*kp));
1888     *kp = sup_and_sub_key;
1889
1890     memset (&template, 0, sizeof (template));
1891     template.type = VNET_SW_INTERFACE_TYPE_SUB;
1892     template.sup_sw_if_index = sw_if_index;
1893     template.sub.id = sub_id;
1894     template.sub.eth.flags.no_tags = mp->no_tags;
1895     template.sub.eth.flags.one_tag = mp->one_tag;
1896     template.sub.eth.flags.two_tags = mp->two_tags;
1897     template.sub.eth.flags.dot1ad = mp->dot1ad;
1898     template.sub.eth.flags.exact_match = mp->exact_match;
1899     template.sub.eth.flags.default_sub = mp->default_sub;
1900     template.sub.eth.flags.outer_vlan_id_any = mp->outer_vlan_id_any;
1901     template.sub.eth.flags.inner_vlan_id_any = mp->inner_vlan_id_any;
1902     template.sub.eth.outer_vlan_id = ntohs(mp->outer_vlan_id);
1903     template.sub.eth.inner_vlan_id = ntohs(mp->inner_vlan_id);
1904
1905     error = vnet_create_sw_interface (vnm, &template, &sw_if_index);
1906     if (error) {
1907         clib_error_report (error);
1908         rv = VNET_API_ERROR_SUBIF_CREATE_FAILED;
1909         goto out;
1910     }
1911
1912     hash_set (hi->sub_interface_sw_if_index_by_id, sub_id, sw_if_index);
1913     hash_set_mem (im->sw_if_index_by_sup_and_sub, kp, sw_if_index);
1914
1915     BAD_SW_IF_INDEX_LABEL;
1916
1917 out:
1918
1919     REPLY_MACRO2(VL_API_CREATE_SUBIF_REPLY,
1920     ({
1921         rmp->sw_if_index = ntohl(sw_if_index);
1922     }));
1923 }
1924
1925 static void
1926 vl_api_mpls_gre_add_del_tunnel_t_handler (vl_api_mpls_gre_add_del_tunnel_t *mp)
1927 {
1928     vl_api_mpls_gre_add_del_tunnel_reply_t * rmp;
1929     int rv = 0;
1930     stats_main_t * sm = &stats_main;
1931     u32 tunnel_sw_if_index = ~0;
1932
1933     dslock (sm, 1 /* release hint */, 5 /* tag */);
1934
1935     rv = vnet_mpls_gre_add_del_tunnel ((ip4_address_t *)(mp->src_address),
1936                                        (ip4_address_t *)(mp->dst_address),
1937                                        (ip4_address_t *)(mp->intfc_address),
1938                                        (u32)(mp->intfc_address_length),
1939                                        ntohl(mp->inner_vrf_id),
1940                                        ntohl(mp->outer_vrf_id),
1941                                        &tunnel_sw_if_index,
1942                                        mp->l2_only,
1943                                        mp->is_add);
1944     dsunlock (sm);
1945
1946     REPLY_MACRO2(VL_API_MPLS_GRE_ADD_DEL_TUNNEL_REPLY,
1947     ({
1948         rmp->tunnel_sw_if_index = ntohl(tunnel_sw_if_index);
1949     }));
1950 }
1951
1952 static void
1953 vl_api_mpls_ethernet_add_del_tunnel_t_handler
1954 (vl_api_mpls_ethernet_add_del_tunnel_t *mp)
1955 {
1956     vl_api_mpls_ethernet_add_del_tunnel_reply_t * rmp;
1957     int rv = 0;
1958     stats_main_t * sm = &stats_main;
1959     u32 tunnel_sw_if_index;
1960
1961     dslock (sm, 1 /* release hint */, 5 /* tag */);
1962
1963     rv = vnet_mpls_ethernet_add_del_tunnel
1964         (mp->dst_mac_address, (ip4_address_t *)(mp->adj_address),
1965          (u32)(mp->adj_address_length), ntohl(mp->vrf_id),
1966          ntohl(mp->tx_sw_if_index),
1967          &tunnel_sw_if_index,
1968          mp->l2_only,
1969          mp->is_add);
1970
1971     dsunlock (sm);
1972
1973     REPLY_MACRO2(VL_API_MPLS_ETHERNET_ADD_DEL_TUNNEL_REPLY,
1974     ({
1975         rmp->tunnel_sw_if_index = ntohl(tunnel_sw_if_index);
1976     }));
1977 }
1978
1979 /*
1980  * This piece of misery brought to you because the control-plane
1981  * can't figure out the tx interface + dst-mac address all by itself
1982  */
1983 static int mpls_ethernet_add_del_tunnel_2_t_handler
1984 (vl_api_mpls_ethernet_add_del_tunnel_2_t *mp)
1985 {
1986     pending_route_t * pr;
1987     vl_api_mpls_ethernet_add_del_tunnel_2_t *pme;
1988     vnet_main_t * vnm = vnet_get_main();
1989     vlib_main_t * vm = vlib_get_main();
1990     stats_main_t * sm = &stats_main;
1991     vpe_api_main_t * vam = &vpe_api_main;
1992     u32 inner_fib_index, outer_fib_index;
1993     ip4_main_t * im = &ip4_main;
1994     ip_lookup_main_t * lm = &im->lookup_main;
1995     ip_adjacency_t * adj = 0;
1996     u32 lookup_result;
1997     u32 tx_sw_if_index;
1998     u8 * dst_mac_address;
1999     clib_error_t * e;
2000     uword * p;
2001     int rv;
2002     u32 tunnel_sw_if_index;
2003
2004     p = hash_get (im->fib_index_by_table_id, ntohl(mp->outer_vrf_id));
2005     if (!p)
2006         return VNET_API_ERROR_NO_SUCH_FIB;
2007     else
2008         outer_fib_index = p[0];
2009
2010
2011     p = hash_get (im->fib_index_by_table_id, ntohl(mp->inner_vrf_id));
2012     if (!p)
2013         return VNET_API_ERROR_NO_SUCH_INNER_FIB;
2014     else
2015         inner_fib_index = p[0];
2016
2017     if (inner_fib_index == outer_fib_index)
2018         return VNET_API_ERROR_INVALID_VALUE;
2019
2020     lookup_result = ip4_fib_lookup_with_table
2021         (im, outer_fib_index,
2022          (ip4_address_t *)mp->next_hop_ip4_address_in_outer_vrf,
2023          1 /* disable default route */);
2024
2025     adj = ip_get_adjacency (lm, lookup_result);
2026     tx_sw_if_index = adj->rewrite_header.sw_if_index;
2027
2028     if (mp->is_add && mp->resolve_if_needed) {
2029         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP) {
2030             pool_get (vam->pending_routes, pr);
2031             pr->resolve_type = RESOLVE_MPLS_ETHERNET_ADD_DEL;
2032             pme = &pr->t;
2033             clib_memcpy (pme, mp, sizeof (*pme));
2034             /* recursion block, "just in case" */
2035             pme->resolve_if_needed = 0;
2036             pme->resolve_attempts = ntohl(mp->resolve_attempts);
2037             pme->resolve_opaque = tx_sw_if_index;
2038             vnet_register_ip4_arp_resolution_event
2039                 (vnm,
2040                  (ip4_address_t *)&(pme->next_hop_ip4_address_in_outer_vrf),
2041                  vpe_resolver_process_node.index,
2042                  RESOLUTION_EVENT, pr - vam->pending_routes);
2043
2044             vlib_process_signal_event
2045                 (vm, vpe_resolver_process_node.index,
2046                  RESOLUTION_PENDING_EVENT, 0 /* data */);
2047
2048             /* The interface may be down, etc. */
2049             e = ip4_probe_neighbor
2050                 (vm, (ip4_address_t *)&(mp->next_hop_ip4_address_in_outer_vrf),
2051                  tx_sw_if_index);
2052
2053             if (e)
2054                 clib_error_report(e);
2055
2056             return VNET_API_ERROR_IN_PROGRESS;
2057         }
2058     }
2059
2060     if (adj->lookup_next_index != IP_LOOKUP_NEXT_REWRITE)
2061         return VNET_API_ERROR_NEXT_HOP_NOT_IN_FIB;
2062
2063     dst_mac_address =
2064         vnet_rewrite_get_data_internal
2065         (&adj->rewrite_header, sizeof (adj->rewrite_data));
2066
2067     dslock (sm, 1 /* release hint */, 10 /* tag */);
2068
2069     rv = vnet_mpls_ethernet_add_del_tunnel
2070         (dst_mac_address, (ip4_address_t *)(mp->adj_address),
2071          (u32)(mp->adj_address_length), ntohl(mp->inner_vrf_id),
2072          tx_sw_if_index, &tunnel_sw_if_index, mp->l2_only, mp->is_add);
2073
2074     dsunlock (sm);
2075
2076     return rv;
2077 }
2078
2079 static void
2080 vl_api_mpls_ethernet_add_del_tunnel_2_t_handler
2081 (vl_api_mpls_ethernet_add_del_tunnel_2_t *mp)
2082 {
2083     vl_api_mpls_ethernet_add_del_tunnel_reply_t * rmp;
2084     int rv = 0;
2085
2086     rv = mpls_ethernet_add_del_tunnel_2_t_handler (mp);
2087
2088     REPLY_MACRO(VL_API_MPLS_ETHERNET_ADD_DEL_TUNNEL_2_REPLY);
2089 }
2090
2091
2092 static void
2093 vl_api_mpls_add_del_encap_t_handler (vl_api_mpls_add_del_encap_t *mp)
2094 {
2095     vl_api_mpls_add_del_encap_reply_t * rmp;
2096     int rv;
2097     static u32 * labels;
2098     int i;
2099
2100     vec_reset_length (labels);
2101
2102     for (i = 0; i < mp->nlabels; i++)
2103         vec_add1 (labels, ntohl(mp->labels[i]));
2104
2105     /* $$$$ fixme */
2106     rv = vnet_mpls_add_del_encap ((ip4_address_t *)mp->dst_address,
2107                                   ntohl(mp->vrf_id), labels,
2108                                   ~0 /* policy_tunnel_index */,
2109                                   0 /* no_dst_hash */,
2110                                   0 /* indexp */,
2111                                   mp->is_add);
2112
2113     REPLY_MACRO(VL_API_MPLS_ADD_DEL_ENCAP_REPLY);
2114 }
2115
2116 static void
2117 vl_api_mpls_add_del_decap_t_handler
2118 (vl_api_mpls_add_del_decap_t *mp)
2119 {
2120     vl_api_mpls_add_del_decap_reply_t * rmp;
2121     int rv;
2122
2123     rv = vnet_mpls_add_del_decap (ntohl(mp->rx_vrf_id), ntohl(mp->tx_vrf_id),
2124                                   ntohl(mp->label), ntohl(mp->next_index),
2125                                   mp->s_bit, mp->is_add);
2126
2127     REPLY_MACRO(VL_API_MPLS_ADD_DEL_DECAP_REPLY);
2128 }
2129
2130 static void
2131 vl_api_proxy_arp_add_del_t_handler (vl_api_proxy_arp_add_del_t *mp)
2132 {
2133     vl_api_proxy_arp_add_del_reply_t * rmp;
2134     u32 fib_index;
2135     int rv;
2136     ip4_main_t * im = &ip4_main;
2137     stats_main_t * sm = &stats_main;
2138     int vnet_proxy_arp_add_del (ip4_address_t *lo_addr,
2139                                 ip4_address_t *hi_addr,
2140                                 u32 fib_index, int is_del);
2141     uword * p;
2142
2143     dslock (sm, 1 /* release hint */, 6 /* tag */);
2144
2145     p = hash_get (im->fib_index_by_table_id, ntohl(mp->vrf_id));
2146
2147     if (! p) {
2148         rv = VNET_API_ERROR_NO_SUCH_FIB;
2149         goto out;
2150     }
2151
2152     fib_index = p[0];
2153
2154     rv = vnet_proxy_arp_add_del ((ip4_address_t *)mp->low_address,
2155                                  (ip4_address_t *)mp->hi_address,
2156                                  fib_index, mp->is_add == 0);
2157
2158 out:
2159     dsunlock (sm);
2160     REPLY_MACRO(VL_API_PROXY_ARP_ADD_DEL_REPLY);
2161 }
2162
2163 static void
2164 vl_api_proxy_arp_intfc_enable_disable_t_handler
2165 (vl_api_proxy_arp_intfc_enable_disable_t *mp)
2166 {
2167     int rv = 0;
2168     vnet_main_t * vnm = vnet_get_main();
2169     vl_api_proxy_arp_intfc_enable_disable_reply_t *rmp;
2170     vnet_sw_interface_t * si;
2171     u32 sw_if_index;
2172
2173     VALIDATE_SW_IF_INDEX(mp);
2174
2175     sw_if_index = ntohl(mp->sw_if_index);
2176
2177     if (pool_is_free_index (vnm->interface_main.sw_interfaces,
2178                             sw_if_index)) {
2179         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
2180         goto out;
2181     }
2182
2183     si = vnet_get_sw_interface (vnm, sw_if_index);
2184
2185     ASSERT(si);
2186
2187     if (mp->enable_disable)
2188         si->flags |= VNET_SW_INTERFACE_FLAG_PROXY_ARP;
2189     else
2190         si->flags &= ~VNET_SW_INTERFACE_FLAG_PROXY_ARP;
2191
2192     BAD_SW_IF_INDEX_LABEL;
2193
2194     out:
2195     REPLY_MACRO(VL_API_PROXY_ARP_INTFC_ENABLE_DISABLE_REPLY);
2196 }
2197
2198 static void
2199 vl_api_ip_neighbor_add_del_t_handler (vl_api_ip_neighbor_add_del_t *mp, vlib_main_t * vm)
2200 {
2201     vl_api_ip_neighbor_add_del_reply_t * rmp;
2202     vnet_main_t * vnm = vnet_get_main();
2203     u32 fib_index;
2204     int rv=0;
2205     stats_main_t * sm = &stats_main;
2206
2207     VALIDATE_SW_IF_INDEX(mp);
2208
2209     dslock (sm, 1 /* release hint */, 7 /* tag */);
2210
2211     if (mp->is_ipv6) {
2212         if (mp->is_add)
2213             rv = vnet_set_ip6_ethernet_neighbor
2214                 (vm, ntohl(mp->sw_if_index),
2215                  (ip6_address_t *)(mp->dst_address),
2216                  mp->mac_address, sizeof (mp->mac_address), mp->is_static);
2217         else
2218             rv = vnet_unset_ip6_ethernet_neighbor
2219                 (vm, ntohl(mp->sw_if_index),
2220                  (ip6_address_t *)(mp->dst_address),
2221                  mp->mac_address, sizeof(mp->mac_address));
2222     } else {
2223         ip4_main_t * im = &ip4_main;
2224         ip_lookup_main_t * lm = &im->lookup_main;
2225         ethernet_arp_ip4_over_ethernet_address_t a;
2226         u32 ai;
2227         ip_adjacency_t *nh_adj;
2228
2229         uword * p = hash_get (im->fib_index_by_table_id, ntohl(mp->vrf_id));
2230         if (! p) {
2231             rv = VNET_API_ERROR_NO_SUCH_FIB;
2232             goto out;
2233         }
2234         fib_index = p[0];
2235
2236         /*
2237          * Unfortunately, folks have a penchant for
2238          * adding interface addresses to the ARP cache, and
2239          * wondering why the forwarder eventually ASSERTs...
2240          */
2241         ai = ip4_fib_lookup_with_table
2242             (im, fib_index, (ip4_address_t *)(mp->dst_address),
2243              1 /* disable default route */);
2244
2245         if (ai != 0) {
2246             nh_adj = ip_get_adjacency (lm, ai);
2247             /* Never allow manipulation of a local adj! */
2248             if (nh_adj->lookup_next_index == IP_LOOKUP_NEXT_LOCAL) {
2249                 clib_warning("%U matches local adj",
2250                              format_ip4_address,
2251                              (ip4_address_t *)(mp->dst_address));
2252                 rv = VNET_API_ERROR_ADDRESS_MATCHES_INTERFACE_ADDRESS;
2253                 goto out;
2254             }
2255         }
2256
2257         clib_memcpy (&a.ethernet, mp->mac_address, 6);
2258         clib_memcpy (&a.ip4, mp->dst_address, 4);
2259
2260         if (mp->is_add)
2261             rv = vnet_arp_set_ip4_over_ethernet (vnm, ntohl(mp->sw_if_index),
2262                                                  fib_index, &a, mp->is_static);
2263         else
2264             rv = vnet_arp_unset_ip4_over_ethernet (vnm, ntohl(mp->sw_if_index),
2265                                                    fib_index, &a);
2266     }
2267
2268     BAD_SW_IF_INDEX_LABEL;
2269     out:
2270     dsunlock (sm);
2271     REPLY_MACRO(VL_API_IP_NEIGHBOR_ADD_DEL_REPLY);
2272 }
2273
2274 static void
2275 vl_api_is_address_reachable_t_handler (vl_api_is_address_reachable_t *mp)
2276 {
2277 #if 0
2278     vpe_main_t *rm = &vpe_main;
2279     ip4_main_t *im4 = &ip4_main;
2280     ip6_main_t *im6 = &ip6_main;
2281     ip_lookup_main_t * lm;
2282     union {
2283         ip4_address_t ip4;
2284         ip6_address_t ip6;
2285     } addr;
2286     u32 adj_index, sw_if_index;
2287     vl_api_is_address_reachable_t *rmp;
2288     ip_adjacency_t * adj;
2289     unix_shared_memory_queue_t *q;
2290
2291     q = vl_api_client_index_to_input_queue (mp->client_index);
2292     if (!q) {
2293         increment_missing_api_client_counter (rm->vlib_main);
2294         return;
2295     }
2296
2297     rmp = vl_msg_api_alloc (sizeof (*rmp));
2298     clib_memcpy (rmp, mp, sizeof (*rmp));
2299
2300     sw_if_index = mp->next_hop_sw_if_index;
2301     clib_memcpy (&addr, mp->address, sizeof (addr));
2302     if (mp->is_ipv6) {
2303         lm = &im6->lookup_main;
2304         adj_index =
2305             ip6_fib_lookup (im6, sw_if_index, &addr.ip6);
2306     } else {
2307         lm = &im4->lookup_main;
2308         adj_index =
2309             ip4_fib_lookup (im4, sw_if_index, &addr.ip4);
2310     }
2311     if (adj_index == ~0) {
2312         rmp->is_error = 1;
2313         goto send;
2314     }
2315     adj = ip_get_adjacency (lm, adj_index);
2316
2317     if (adj->lookup_next_index == IP_LOOKUP_NEXT_REWRITE
2318         && adj->rewrite_header.sw_if_index == sw_if_index) {
2319         rmp->is_known = 1;
2320     } else {
2321         if (adj->lookup_next_index == IP_LOOKUP_NEXT_ARP
2322             && adj->rewrite_header.sw_if_index == sw_if_index) {
2323             if (mp->is_ipv6)
2324                 ip6_probe_neighbor (rm->vlib_main, &addr.ip6, sw_if_index);
2325             else
2326                 ip4_probe_neighbor (rm->vlib_main, &addr.ip4, sw_if_index);
2327         } else if (adj->lookup_next_index == IP_LOOKUP_NEXT_DROP) {
2328             rmp->is_known = 1;
2329             goto send;
2330         }
2331         rmp->is_known = 0;
2332     }
2333
2334 send:
2335     vl_msg_api_send_shmem (q, (u8 *)&rmp);
2336 #endif
2337 }
2338
2339 static void vl_api_sw_interface_details_t_handler (
2340     vl_api_sw_interface_details_t * mp)
2341 {
2342     clib_warning ("BUG");
2343 }
2344
2345 static void vl_api_sw_interface_set_flags_t_handler (
2346     vl_api_sw_interface_set_flags_t * mp)
2347 {
2348    vl_api_sw_interface_set_flags_reply_t *rmp;
2349    vnet_main_t * vnm = vnet_get_main();
2350    int rv = 0;
2351    clib_error_t * error;
2352    u16 flags;
2353
2354    VALIDATE_SW_IF_INDEX(mp);
2355
2356    flags = mp->admin_up_down ? VNET_SW_INTERFACE_FLAG_ADMIN_UP : 0;
2357
2358    error = vnet_sw_interface_set_flags (vnm,
2359                                         ntohl(mp->sw_if_index),
2360                                         flags);
2361    if (error) {
2362        rv = -1;
2363        clib_error_report (error);
2364    }
2365
2366    BAD_SW_IF_INDEX_LABEL;
2367    REPLY_MACRO(VL_API_SW_INTERFACE_SET_FLAGS_REPLY);
2368 }
2369
2370 static void vl_api_sw_interface_clear_stats_t_handler (
2371     vl_api_sw_interface_clear_stats_t * mp)
2372 {
2373    vl_api_sw_interface_clear_stats_reply_t *rmp;
2374
2375    vnet_main_t * vnm = vnet_get_main();
2376    vnet_interface_main_t * im = &vnm->interface_main;
2377    vlib_simple_counter_main_t * sm;
2378    vlib_combined_counter_main_t * cm;
2379    static vnet_main_t ** my_vnet_mains;
2380    int i, j, n_counters;
2381
2382    int rv = 0;
2383
2384    vec_reset_length (my_vnet_mains);
2385
2386    for (i = 0; i < vec_len (vnet_mains); i++)
2387      {
2388        if (vnet_mains[i])
2389          vec_add1 (my_vnet_mains, vnet_mains[i]);
2390      }
2391
2392    if (vec_len (vnet_mains) == 0)
2393      vec_add1 (my_vnet_mains, vnm);
2394
2395    n_counters = vec_len (im->combined_sw_if_counters);
2396
2397    for (j = 0; j < n_counters; j++)
2398      {
2399        for (i = 0; i < vec_len(my_vnet_mains); i++)
2400          {
2401            im = &my_vnet_mains[i]->interface_main;
2402            cm = im->combined_sw_if_counters + j;
2403            if (mp->sw_if_index == (u32)~0)
2404              vlib_clear_combined_counters (cm);
2405            else
2406              vlib_zero_combined_counter (cm, ntohl(mp->sw_if_index));
2407          }
2408      }
2409
2410    n_counters = vec_len (im->sw_if_counters);
2411
2412    for (j = 0; j < n_counters; j++)
2413      {
2414        for (i = 0; i < vec_len(my_vnet_mains); i++)
2415          {
2416            im = &my_vnet_mains[i]->interface_main;
2417            sm = im->sw_if_counters + j;
2418            if (mp->sw_if_index == (u32)~0)
2419              vlib_clear_simple_counters (sm);
2420            else
2421              vlib_zero_simple_counter (sm, ntohl(mp->sw_if_index));
2422          }
2423      }
2424
2425    REPLY_MACRO(VL_API_SW_INTERFACE_CLEAR_STATS_REPLY);
2426 }
2427
2428 static void send_sw_interface_details (vpe_api_main_t * am,
2429                                        unix_shared_memory_queue_t *q,
2430                                        vnet_sw_interface_t * swif,
2431                                        u8 * interface_name,
2432                                        u32 context)
2433 {
2434     vl_api_sw_interface_details_t * mp;
2435     vnet_hw_interface_t * hi;
2436
2437     hi = vnet_get_sup_hw_interface (am->vnet_main, swif->sw_if_index);
2438
2439     mp = vl_msg_api_alloc (sizeof (*mp));
2440     memset (mp, 0, sizeof (*mp));
2441     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_DETAILS);
2442     mp->sw_if_index = ntohl(swif->sw_if_index);
2443     mp->sup_sw_if_index = ntohl(swif->sup_sw_if_index);
2444     mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
2445         1 : 0;
2446     mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
2447         1 : 0;
2448     mp->link_duplex = ((hi->flags & VNET_HW_INTERFACE_FLAG_DUPLEX_MASK) >>
2449                        VNET_HW_INTERFACE_FLAG_DUPLEX_SHIFT);
2450     mp->link_speed = ((hi->flags & VNET_HW_INTERFACE_FLAG_SPEED_MASK) >>
2451                       VNET_HW_INTERFACE_FLAG_SPEED_SHIFT);
2452     mp->link_mtu = ntohs(hi->max_packet_bytes);
2453     mp->context = context;
2454
2455     strncpy ((char *) mp->interface_name,
2456              (char *) interface_name, ARRAY_LEN(mp->interface_name)-1);
2457
2458     /* Send the L2 address for ethernet physical intfcs */
2459     if (swif->sup_sw_if_index == swif->sw_if_index
2460         && hi->hw_class_index == ethernet_hw_interface_class.index) {
2461         ethernet_main_t *em = ethernet_get_main (am->vlib_main);
2462         ethernet_interface_t *ei;
2463
2464         ei = pool_elt_at_index (em->interfaces, hi->hw_instance);
2465         ASSERT (sizeof (mp->l2_address) >= sizeof (ei->address));
2466         clib_memcpy (mp->l2_address, ei->address, sizeof (ei->address));
2467         mp->l2_address_length = ntohl(sizeof (ei->address));
2468     } else if (swif->sup_sw_if_index != swif->sw_if_index) {
2469         vnet_sub_interface_t *sub = &swif->sub;
2470         mp->sub_id = ntohl(sub->id);
2471         mp->sub_dot1ad = sub->eth.flags.dot1ad;
2472         mp->sub_number_of_tags = sub->eth.flags.one_tag + sub->eth.flags.two_tags*2;
2473         mp->sub_outer_vlan_id = ntohs(sub->eth.outer_vlan_id);
2474         mp->sub_inner_vlan_id = ntohs(sub->eth.inner_vlan_id);
2475         mp->sub_exact_match = sub->eth.flags.exact_match;
2476         mp->sub_default = sub->eth.flags.default_sub;
2477         mp->sub_outer_vlan_id_any = sub->eth.flags.outer_vlan_id_any;
2478         mp->sub_inner_vlan_id_any = sub->eth.flags.inner_vlan_id_any;
2479
2480         /* vlan tag rewrite data */
2481         u32 vtr_op = L2_VTR_DISABLED;
2482         u32 vtr_push_dot1q = 0, vtr_tag1 = 0, vtr_tag2 = 0;
2483
2484         if (l2vtr_get(am->vlib_main, am->vnet_main, swif->sw_if_index,
2485                       &vtr_op, &vtr_push_dot1q, &vtr_tag1, &vtr_tag2) != 0) {
2486             // error - default to disabled
2487             mp->vtr_op = ntohl(L2_VTR_DISABLED);
2488             clib_warning("cannot get vlan tag rewrite for sw_if_index %d",
2489                     swif->sw_if_index);
2490         } else {
2491             mp->vtr_op = ntohl(vtr_op);
2492             mp->vtr_push_dot1q = ntohl(vtr_push_dot1q);
2493             mp->vtr_tag1 = ntohl(vtr_tag1);
2494             mp->vtr_tag2 = ntohl(vtr_tag2);
2495         }
2496     }
2497
2498     vl_msg_api_send_shmem (q, (u8 *)&mp);
2499 }
2500
2501 static void send_sw_interface_flags (vpe_api_main_t * am,
2502                                      unix_shared_memory_queue_t *q,
2503                                      vnet_sw_interface_t * swif)
2504 {
2505     vl_api_sw_interface_set_flags_t *mp;
2506     vnet_main_t * vnm = am->vnet_main;
2507
2508     vnet_hw_interface_t *hi = vnet_get_sup_hw_interface (vnm,
2509                                                          swif->sw_if_index);
2510     mp = vl_msg_api_alloc (sizeof (*mp));
2511     memset (mp, 0, sizeof (*mp));
2512     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_SET_FLAGS);
2513     mp->sw_if_index = ntohl(swif->sw_if_index);
2514
2515     mp->admin_up_down = (swif->flags & VNET_SW_INTERFACE_FLAG_ADMIN_UP) ?
2516         1 : 0;
2517     mp->link_up_down = (hi->flags & VNET_HW_INTERFACE_FLAG_LINK_UP) ?
2518         1 : 0;
2519     vl_msg_api_send_shmem (q, (u8 *)&mp);
2520 }
2521
2522 static void send_sw_interface_flags_deleted (vpe_api_main_t * am,
2523                                      unix_shared_memory_queue_t *q,
2524                                              u32 sw_if_index)
2525     __attribute__((unused));
2526
2527 static void send_sw_interface_flags_deleted (vpe_api_main_t * am,
2528                                      unix_shared_memory_queue_t *q,
2529                                      u32 sw_if_index)
2530 {
2531     vl_api_sw_interface_set_flags_t *mp;
2532
2533     mp = vl_msg_api_alloc (sizeof (*mp));
2534     memset (mp, 0, sizeof (*mp));
2535     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_SET_FLAGS);
2536     mp->sw_if_index = ntohl(sw_if_index);
2537
2538     mp->admin_up_down = 0;
2539     mp->link_up_down = 0;
2540     mp->deleted = 1;
2541     vl_msg_api_send_shmem (q, (u8 *)&mp);
2542 }
2543
2544 static void vl_api_sw_interface_dump_t_handler (
2545     vl_api_sw_interface_dump_t *mp)
2546 {
2547     vpe_api_main_t * am = &vpe_api_main;
2548     vnet_sw_interface_t * swif;
2549     vnet_interface_main_t * im = &am->vnet_main->interface_main;
2550     u8 * filter_string = 0, * name_string = 0;
2551     unix_shared_memory_queue_t * q;
2552     char * strcasestr (char *, char *); /* lnx hdr file botch */
2553
2554     q = vl_api_client_index_to_input_queue (mp->client_index);
2555
2556     if (q == 0)
2557         return;
2558
2559     if (mp->name_filter_valid) {
2560         mp->name_filter [ARRAY_LEN(mp->name_filter)-1] = 0;
2561         filter_string = format (0, "%s%c", mp->name_filter, 0);
2562     }
2563
2564     pool_foreach (swif, im->sw_interfaces,
2565     ({
2566         name_string = format (name_string, "%U%c",
2567                               format_vnet_sw_interface_name,
2568                               am->vnet_main, swif, 0);
2569
2570         if (mp->name_filter_valid == 0 ||
2571             strcasestr((char *) name_string, (char *) filter_string)) {
2572
2573             send_sw_interface_details (am, q, swif, name_string, mp->context);
2574             send_sw_interface_flags (am, q, swif);
2575         }
2576         _vec_len (name_string) = 0;
2577     }));
2578
2579     vec_free (name_string);
2580     vec_free (filter_string);
2581 }
2582
2583 void send_oam_event (oam_target_t * t)
2584 {
2585     vpe_api_main_t * vam = &vpe_api_main;
2586     unix_shared_memory_queue_t * q;
2587     vpe_client_registration_t *reg;
2588     vl_api_oam_event_t * mp;
2589
2590     pool_foreach(reg, vam->oam_events_registrations,
2591     ({
2592         q = vl_api_client_index_to_input_queue (reg->client_index);
2593         if (q) {
2594             mp = vl_msg_api_alloc (sizeof (*mp));
2595             mp->_vl_msg_id = ntohs (VL_API_OAM_EVENT);
2596             clib_memcpy (mp->dst_address, &t->dst_address, sizeof (mp->dst_address));
2597             mp->state = t->state;
2598             vl_msg_api_send_shmem (q, (u8 *)&mp);
2599         }
2600     }));
2601 }
2602
2603 static void
2604 vl_api_oam_add_del_t_handler (vl_api_oam_add_del_t *mp)
2605 {
2606     vl_api_oam_add_del_reply_t * rmp;
2607     int rv;
2608
2609     rv = vpe_oam_add_del_target ((ip4_address_t *)mp->src_address,
2610                                  (ip4_address_t *)mp->dst_address,
2611                                  ntohl(mp->vrf_id),
2612                                  (int)(mp->is_add));
2613
2614     REPLY_MACRO(VL_API_OAM_ADD_DEL_REPLY);
2615 }
2616
2617 static void
2618 vl_api_vnet_get_summary_stats_t_handler (
2619     vl_api_vnet_get_summary_stats_t *mp)
2620 {
2621     stats_main_t * sm = &stats_main;
2622     vnet_interface_main_t * im = sm->interface_main;
2623     vl_api_vnet_summary_stats_reply_t *rmp;
2624     vlib_combined_counter_main_t * cm;
2625     vlib_counter_t v;
2626     int i, which;
2627     u64 total_pkts[VLIB_N_RX_TX];
2628     u64 total_bytes[VLIB_N_RX_TX];
2629
2630     unix_shared_memory_queue_t * q =
2631         vl_api_client_index_to_input_queue (mp->client_index);
2632
2633     if (!q)
2634         return;
2635
2636     rmp = vl_msg_api_alloc (sizeof (*rmp));
2637     rmp->_vl_msg_id = ntohs(VL_API_VNET_SUMMARY_STATS_REPLY);
2638     rmp->context = mp->context;
2639     rmp->retval = 0;
2640
2641     memset (total_pkts, 0, sizeof (total_pkts));
2642     memset (total_bytes, 0, sizeof (total_bytes));
2643
2644     vnet_interface_counter_lock (im);
2645
2646     vec_foreach (cm, im->combined_sw_if_counters) {
2647         which = cm - im->combined_sw_if_counters;
2648
2649         for (i = 0; i < vec_len (cm->maxi); i++) {
2650             vlib_get_combined_counter (cm, i, &v);
2651             total_pkts[which] += v.packets;
2652             total_bytes[which] += v.bytes;
2653         }
2654     }
2655     vnet_interface_counter_unlock (im);
2656
2657     /* Note: in HOST byte order! */
2658     rmp->total_pkts[VLIB_RX] = total_pkts[VLIB_RX];
2659     rmp->total_bytes[VLIB_RX] = total_bytes[VLIB_RX];
2660     rmp->total_pkts[VLIB_TX] = total_pkts[VLIB_TX];
2661     rmp->total_bytes[VLIB_TX] = total_bytes[VLIB_TX];
2662     rmp->vector_rate = vlib_last_vector_length_per_node (sm->vlib_main);
2663
2664     vl_msg_api_send_shmem (q, (u8 *)&rmp);
2665 }
2666
2667 typedef CLIB_PACKED (struct {
2668   ip4_address_t address;
2669
2670   u32 address_length : 6;
2671
2672   u32 index : 26;
2673 }) ip4_route_t;
2674
2675 static int ip4_reset_fib_t_handler (vl_api_reset_fib_t *mp)
2676 {
2677     vnet_main_t * vnm = vnet_get_main();
2678     vnet_interface_main_t * im = &vnm->interface_main;
2679     ip4_main_t * im4 = &ip4_main;
2680     static ip4_route_t * routes;
2681     static u32 * sw_if_indices_to_shut;
2682     stats_main_t * sm = &stats_main;
2683     ip4_route_t * r;
2684     ip4_fib_t * fib;
2685     u32 sw_if_index;
2686     int i;
2687     int rv = VNET_API_ERROR_NO_SUCH_FIB;
2688     u32 target_fib_id = ntohl(mp->vrf_id);
2689
2690     dslock (sm, 1 /* release hint */, 8 /* tag */);
2691
2692     vec_foreach (fib, im4->fibs) {
2693         vnet_sw_interface_t * si;
2694
2695         if (fib->table_id != target_fib_id)
2696             continue;
2697
2698         /* remove any mpls/gre tunnels in this fib */
2699         vnet_mpls_gre_delete_fib_tunnels (fib->table_id);
2700
2701         /* remove any mpls encap/decap labels */
2702         mpls_fib_reset_labels (fib->table_id);
2703
2704         /* remove any proxy arps in this fib */
2705         vnet_proxy_arp_fib_reset (fib->table_id);
2706
2707         /* Set the flow hash for this fib to the default */
2708         vnet_set_ip4_flow_hash (fib->table_id, IP_FLOW_HASH_DEFAULT);
2709
2710         vec_reset_length (sw_if_indices_to_shut);
2711
2712         /* Shut down interfaces in this FIB / clean out intfc routes */
2713         pool_foreach (si, im->sw_interfaces,
2714         ({
2715             u32 sw_if_index = si->sw_if_index;
2716
2717             if (sw_if_index < vec_len (im4->fib_index_by_sw_if_index)
2718                 && (im4->fib_index_by_sw_if_index[si->sw_if_index] ==
2719                     fib - im4->fibs))
2720                 vec_add1 (sw_if_indices_to_shut, si->sw_if_index);
2721         }));
2722
2723         for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) {
2724             sw_if_index = sw_if_indices_to_shut[i];
2725             // vec_foreach (sw_if_index, sw_if_indices_to_shut) {
2726
2727             u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
2728             flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
2729             vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
2730         }
2731
2732         vec_reset_length (routes);
2733
2734         for (i = 0; i < ARRAY_LEN (fib->adj_index_by_dst_address); i++) {
2735             uword * hash = fib->adj_index_by_dst_address[i];
2736             hash_pair_t * p;
2737             ip4_route_t x;
2738
2739             x.address_length = i;
2740
2741             hash_foreach_pair (p, hash,
2742             ({
2743                 x.address.data_u32 = p->key;
2744                 vec_add1 (routes, x);
2745             }));
2746         }
2747
2748         vec_foreach (r, routes) {
2749             ip4_add_del_route_args_t a;
2750
2751             memset (&a, 0, sizeof (a));
2752             a.flags = IP4_ROUTE_FLAG_FIB_INDEX | IP4_ROUTE_FLAG_DEL;
2753             a.table_index_or_table_id = fib - im4->fibs;
2754             a.dst_address = r->address;
2755             a.dst_address_length = r->address_length;
2756             a.adj_index = ~0;
2757
2758             ip4_add_del_route (im4, &a);
2759             ip4_maybe_remap_adjacencies (im4, fib - im4->fibs,
2760                                          IP4_ROUTE_FLAG_FIB_INDEX);
2761         }
2762         rv = 0;
2763         break;
2764     } /* vec_foreach (fib) */
2765
2766     dsunlock(sm);
2767     return rv;
2768 }
2769
2770 typedef struct {
2771   ip6_address_t address;
2772   u32 address_length;
2773   u32 index;
2774 } ip6_route_t;
2775
2776 typedef struct {
2777   u32 fib_index;
2778   ip6_route_t ** routep;
2779 } add_routes_in_fib_arg_t;
2780
2781 static void add_routes_in_fib (clib_bihash_kv_24_8_t * kvp, void *arg)
2782 {
2783   add_routes_in_fib_arg_t * ap = arg;
2784
2785   if (kvp->key[2]>>32 == ap->fib_index)
2786     {
2787       ip6_address_t *addr;
2788       ip6_route_t * r;
2789       addr = (ip6_address_t *) kvp;
2790       vec_add2 (*ap->routep, r, 1);
2791       r->address = addr[0];
2792       r->address_length = kvp->key[2] & 0xFF;
2793       r->index = kvp->value;
2794     }
2795 }
2796
2797 static int ip6_reset_fib_t_handler (vl_api_reset_fib_t *mp)
2798 {
2799     vnet_main_t * vnm = vnet_get_main();
2800     vnet_interface_main_t * im = &vnm->interface_main;
2801     ip6_main_t * im6 = &ip6_main;
2802     stats_main_t * sm = &stats_main;
2803     static ip6_route_t * routes;
2804     static u32 * sw_if_indices_to_shut;
2805     ip6_route_t * r;
2806     ip6_fib_t * fib;
2807     u32 sw_if_index;
2808     int i;
2809     int rv = VNET_API_ERROR_NO_SUCH_FIB;
2810     u32 target_fib_id = ntohl(mp->vrf_id);
2811     add_routes_in_fib_arg_t _a, *a=&_a;
2812     clib_bihash_24_8_t * h = &im6->ip6_lookup_table;
2813
2814     dslock (sm, 1 /* release hint */, 9 /* tag */);
2815
2816     vec_foreach (fib, im6->fibs) {
2817         vnet_sw_interface_t * si;
2818
2819         if (fib->table_id != target_fib_id)
2820             continue;
2821
2822         vec_reset_length (sw_if_indices_to_shut);
2823
2824         /* Shut down interfaces in this FIB / clean out intfc routes */
2825         pool_foreach (si, im->sw_interfaces,
2826         ({
2827             if (im6->fib_index_by_sw_if_index[si->sw_if_index] ==
2828                 fib - im6->fibs)
2829                 vec_add1 (sw_if_indices_to_shut, si->sw_if_index);
2830         }));
2831
2832         for (i = 0; i < vec_len (sw_if_indices_to_shut); i++) {
2833             sw_if_index = sw_if_indices_to_shut[i];
2834             // vec_foreach (sw_if_index, sw_if_indices_to_shut) {
2835
2836             u32 flags = vnet_sw_interface_get_flags (vnm, sw_if_index);
2837             flags &= ~(VNET_SW_INTERFACE_FLAG_ADMIN_UP);
2838             vnet_sw_interface_set_flags (vnm, sw_if_index, flags);
2839         }
2840
2841         vec_reset_length (routes);
2842
2843         a->fib_index = fib - im6->fibs;
2844         a->routep = &routes;
2845
2846         clib_bihash_foreach_key_value_pair_24_8 (h, add_routes_in_fib, a);
2847
2848         vec_foreach (r, routes) {
2849             ip6_add_del_route_args_t a;
2850
2851             memset (&a, 0, sizeof (a));
2852             a.flags = IP6_ROUTE_FLAG_FIB_INDEX | IP6_ROUTE_FLAG_DEL;
2853             a.table_index_or_table_id = fib - im6->fibs;
2854             a.dst_address = r->address;
2855             a.dst_address_length = r->address_length;
2856             a.adj_index = ~0;
2857
2858             ip6_add_del_route (im6, &a);
2859             ip6_maybe_remap_adjacencies (im6, fib - im6->fibs,
2860                                          IP6_ROUTE_FLAG_FIB_INDEX);
2861         }
2862         rv = 0;
2863         /* Reinstall the neighbor / router discovery routes */
2864         vnet_ip6_fib_init (im6, fib - im6->fibs);
2865         break;
2866     } /* vec_foreach (fib) */
2867
2868     dsunlock(sm);
2869     return rv;
2870 }
2871
2872 static void vl_api_reset_fib_t_handler (vl_api_reset_fib_t *mp)
2873 {
2874     int rv;
2875     vl_api_reset_fib_reply_t * rmp;
2876
2877     if (mp->is_ipv6)
2878         rv = ip6_reset_fib_t_handler (mp);
2879     else
2880         rv = ip4_reset_fib_t_handler (mp);
2881
2882     REPLY_MACRO(VL_API_RESET_FIB_REPLY);
2883 }
2884
2885
2886 static void
2887 dhcpv4_proxy_config (vl_api_dhcp_proxy_config_t *mp)
2888 {
2889     vl_api_dhcp_proxy_config_reply_t * rmp;
2890     int rv;
2891
2892     rv = dhcp_proxy_set_server ((ip4_address_t *)(&mp->dhcp_server),
2893                                 (ip4_address_t *)(&mp->dhcp_src_address),
2894                                 (u32) ntohl(mp->vrf_id),
2895                                 (int) mp->insert_circuit_id,
2896                                 (int) (mp->is_add == 0));
2897
2898     REPLY_MACRO(VL_API_DHCP_PROXY_CONFIG_REPLY);
2899 }
2900
2901
2902 static void
2903 dhcpv6_proxy_config (vl_api_dhcp_proxy_config_t *mp)
2904 {
2905     vl_api_dhcp_proxy_config_reply_t * rmp;
2906     int rv = -1;
2907
2908     rv = dhcpv6_proxy_set_server ((ip6_address_t *)(&mp->dhcp_server),
2909                                 (ip6_address_t *)(&mp->dhcp_src_address),
2910                                 (u32) ntohl(mp->vrf_id),
2911                                 (int) mp->insert_circuit_id,
2912                                 (int) (mp->is_add == 0));
2913
2914     REPLY_MACRO(VL_API_DHCP_PROXY_CONFIG_REPLY);
2915 }
2916
2917 static void
2918 dhcpv4_proxy_config_2 (vl_api_dhcp_proxy_config_2_t *mp)
2919 {
2920     vl_api_dhcp_proxy_config_reply_t * rmp;
2921     int rv;
2922
2923     rv = dhcp_proxy_set_server_2 ((ip4_address_t *)(&mp->dhcp_server),
2924                                 (ip4_address_t *)(&mp->dhcp_src_address),
2925                                 (u32) ntohl(mp->rx_vrf_id),
2926                                 (u32) ntohl(mp->server_vrf_id),
2927                                 (int) mp->insert_circuit_id,
2928                                 (int) (mp->is_add == 0));
2929
2930     REPLY_MACRO(VL_API_DHCP_PROXY_CONFIG_2_REPLY);
2931 }
2932
2933
2934 static void
2935 dhcpv6_proxy_config_2 (vl_api_dhcp_proxy_config_2_t *mp)
2936 {
2937     vl_api_dhcp_proxy_config_reply_t * rmp;
2938     int rv = -1;
2939
2940 #if 0 // $$$$ FIXME
2941     rv = dhcpv6_proxy_set_server_2 ((ip6_address_t *)(&mp->dhcp_server),
2942                                 (ip6_address_t *)(&mp->dhcp_src_address),
2943                                 (u32) ntohl(mp->rx_vrf_id),
2944                                 (u32) ntohl(mp->server_vrf_id),
2945                                 (int) mp->insert_circuit_id,
2946                                 (int) (mp->is_add == 0));
2947 #else
2948     rv = VNET_API_ERROR_UNIMPLEMENTED;
2949 #endif
2950
2951     REPLY_MACRO(VL_API_DHCP_PROXY_CONFIG_2_REPLY);
2952 }
2953
2954
2955 static void
2956 vl_api_dhcp_proxy_set_vss_t_handler (vl_api_dhcp_proxy_set_vss_t *mp)
2957 {
2958     vl_api_dhcp_proxy_set_vss_reply_t *rmp;
2959     int rv;
2960     if (!mp->is_ipv6)
2961         rv = dhcp_proxy_set_option82_vss(ntohl(mp->tbl_id),
2962                                          ntohl(mp->oui),
2963                                          ntohl(mp->fib_id),
2964                                          (int)mp->is_add == 0);
2965     else
2966          rv = dhcpv6_proxy_set_vss( ntohl(mp->tbl_id),
2967                                          ntohl(mp->oui),
2968                                          ntohl(mp->fib_id),
2969                                          (int)mp->is_add == 0);
2970
2971     REPLY_MACRO(VL_API_DHCP_PROXY_SET_VSS_REPLY);
2972 }
2973
2974
2975 static void vl_api_dhcp_proxy_config_t_handler
2976 (vl_api_dhcp_proxy_config_t *mp)
2977 {
2978     if (mp->is_ipv6 == 0)
2979         dhcpv4_proxy_config (mp);
2980     else
2981         dhcpv6_proxy_config (mp);
2982 }
2983
2984 static void vl_api_dhcp_proxy_config_2_t_handler
2985 (vl_api_dhcp_proxy_config_2_t *mp)
2986 {
2987     if (mp->is_ipv6 == 0)
2988         dhcpv4_proxy_config_2 (mp);
2989     else
2990         dhcpv6_proxy_config_2 (mp);
2991 }
2992
2993 void dhcp_compl_event_callback (u32 client_index, u32 pid, u8 * hostname,
2994        u8 is_ipv6, u8 * host_address, u8 * router_address, u8 * host_mac)
2995 {
2996     unix_shared_memory_queue_t * q;
2997     vl_api_dhcp_compl_event_t * mp;
2998
2999     q = vl_api_client_index_to_input_queue (client_index);
3000     if (!q)
3001         return;
3002
3003     mp = vl_msg_api_alloc (sizeof (*mp));
3004     mp->client_index = client_index;
3005     mp->pid = pid;
3006     mp->is_ipv6 = is_ipv6;
3007     clib_memcpy (&mp->hostname, hostname, vec_len(hostname));
3008     mp->hostname[vec_len(hostname) + 1] = '\n';
3009     clib_memcpy (&mp->host_address[0], host_address, 16);
3010     clib_memcpy (&mp->router_address[0], router_address, 16);
3011     clib_memcpy (&mp->host_mac[0], host_mac, 6);
3012
3013     mp->_vl_msg_id = ntohs (VL_API_DHCP_COMPL_EVENT);
3014
3015     vl_msg_api_send_shmem (q, (u8 *)&mp);
3016 }
3017
3018 static void vl_api_dhcp_client_config_t_handler
3019 (vl_api_dhcp_client_config_t *mp)
3020 {
3021     vlib_main_t *vm = vlib_get_main();
3022     vl_api_dhcp_client_config_reply_t * rmp;
3023     int rv = 0;
3024
3025     VALIDATE_SW_IF_INDEX(mp);
3026
3027     rv = dhcp_client_config(vm, ntohl(mp->sw_if_index),
3028              mp->hostname, mp->is_add, mp->client_index,
3029              mp->want_dhcp_event ? dhcp_compl_event_callback : NULL,
3030              mp->pid);
3031
3032     BAD_SW_IF_INDEX_LABEL;
3033
3034     REPLY_MACRO(VL_API_DHCP_CLIENT_CONFIG_REPLY);
3035 }
3036
3037 static void
3038 vl_api_sw_interface_ip6nd_ra_config_t_handler
3039 (vl_api_sw_interface_ip6nd_ra_config_t *mp, vlib_main_t *vm)
3040 {
3041    vl_api_sw_interface_ip6nd_ra_config_reply_t * rmp;
3042     int rv = 0;
3043     u8  is_no,  surpress, managed, other, ll_option, send_unicast, cease, default_router;
3044
3045     is_no = mp->is_no == 1;
3046     surpress = mp->surpress == 1;
3047     managed = mp->managed == 1;
3048    other = mp->other == 1;
3049     ll_option = mp->ll_option == 1;
3050     send_unicast = mp->send_unicast == 1;
3051     cease = mp->cease == 1;
3052     default_router = mp->default_router  == 1;
3053
3054     VALIDATE_SW_IF_INDEX(mp);
3055
3056     rv = ip6_neighbor_ra_config(vm, ntohl(mp->sw_if_index),
3057                                 surpress,  managed,  other,
3058                                 ll_option,  send_unicast,  cease,
3059                                 default_router, ntohl (mp->lifetime),
3060                                 ntohl(mp->initial_count),  ntohl(mp->initial_interval),
3061                                 ntohl(mp->max_interval), ntohl( mp->min_interval),
3062                                 is_no);
3063
3064     BAD_SW_IF_INDEX_LABEL;
3065
3066     REPLY_MACRO(VL_API_SW_INTERFACE_IP6ND_RA_CONFIG_REPLY);
3067 }
3068
3069 static void
3070 vl_api_sw_interface_ip6nd_ra_prefix_t_handler
3071 (vl_api_sw_interface_ip6nd_ra_prefix_t *mp, vlib_main_t *vm)
3072 {
3073    vl_api_sw_interface_ip6nd_ra_prefix_reply_t * rmp;
3074     int rv = 0;
3075     u8  is_no,  use_default,  no_advertise, off_link, no_autoconfig, no_onlink;
3076
3077     VALIDATE_SW_IF_INDEX(mp);
3078
3079     is_no = mp->is_no == 1;
3080     use_default = mp->use_default == 1;
3081     no_advertise = mp->no_advertise == 1;
3082     off_link = mp->off_link == 1;
3083     no_autoconfig = mp->no_autoconfig == 1;
3084     no_onlink = mp->no_onlink == 1;
3085
3086     rv = ip6_neighbor_ra_prefix(vm,  ntohl(mp->sw_if_index),
3087                                 (ip6_address_t *)mp->address,  mp->address_length,
3088                                 use_default,  ntohl(mp->val_lifetime), ntohl(mp->pref_lifetime),
3089                                 no_advertise,  off_link, no_autoconfig, no_onlink,
3090                                 is_no);
3091
3092     BAD_SW_IF_INDEX_LABEL;
3093     REPLY_MACRO(VL_API_SW_INTERFACE_IP6ND_RA_PREFIX_REPLY);
3094 }
3095
3096 static void
3097 vl_api_sw_interface_ip6_enable_disable_t_handler
3098 (vl_api_sw_interface_ip6_enable_disable_t *mp, vlib_main_t *vm)
3099 {
3100     vl_api_sw_interface_ip6_enable_disable_reply_t * rmp;
3101     vnet_main_t * vnm = vnet_get_main();
3102     int rv = 0;
3103     clib_error_t * error;
3104
3105     vnm->api_errno = 0;
3106
3107     VALIDATE_SW_IF_INDEX(mp);
3108
3109     error = ( mp->enable == 1) ? enable_ip6_interface(vm,ntohl(mp->sw_if_index)) :
3110         disable_ip6_interface(vm,ntohl(mp->sw_if_index));
3111
3112     if (error)  {
3113         clib_error_report(error);
3114         rv = VNET_API_ERROR_UNSPECIFIED;
3115     } else {
3116         rv = vnm->api_errno;
3117     }
3118
3119     BAD_SW_IF_INDEX_LABEL;
3120
3121     REPLY_MACRO(VL_API_SW_INTERFACE_IP6_ENABLE_DISABLE_REPLY);
3122 }
3123
3124 static void
3125 vl_api_sw_interface_ip6_set_link_local_address_t_handler
3126 (vl_api_sw_interface_ip6_set_link_local_address_t *mp, vlib_main_t *vm)
3127 {
3128     vl_api_sw_interface_ip6_set_link_local_address_reply_t * rmp;
3129     int rv = 0;
3130     clib_error_t * error;
3131     vnet_main_t * vnm = vnet_get_main();
3132
3133     vnm->api_errno = 0;
3134
3135     VALIDATE_SW_IF_INDEX(mp);
3136
3137     error = set_ip6_link_local_address(vm,
3138                                        ntohl(mp->sw_if_index),
3139                                        (ip6_address_t *)mp->address,
3140                                        mp->address_length);
3141     if (error)  {
3142       clib_error_report(error);
3143       rv = VNET_API_ERROR_UNSPECIFIED;
3144     } else {
3145         rv = vnm->api_errno;
3146     }
3147
3148     BAD_SW_IF_INDEX_LABEL;
3149
3150     REPLY_MACRO(VL_API_SW_INTERFACE_IP6_SET_LINK_LOCAL_ADDRESS_REPLY);
3151 }
3152
3153 static void set_ip6_flow_hash (vl_api_set_ip_flow_hash_t *mp)
3154 {
3155     vl_api_set_ip_flow_hash_reply_t *rmp;
3156     int rv = VNET_API_ERROR_UNIMPLEMENTED;
3157
3158     clib_warning ("unimplemented...");
3159
3160     REPLY_MACRO(VL_API_SET_IP_FLOW_HASH_REPLY);
3161 }
3162
3163 static void set_ip4_flow_hash (vl_api_set_ip_flow_hash_t *mp)
3164 {
3165     vl_api_set_ip_flow_hash_reply_t *rmp;
3166     int rv;
3167     u32 table_id;
3168     u32 flow_hash_config = 0;
3169
3170     table_id = ntohl(mp->vrf_id);
3171
3172 #define _(a,b) if (mp->a) flow_hash_config |= b;
3173     foreach_flow_hash_bit;
3174 #undef _
3175
3176     rv = vnet_set_ip4_flow_hash (table_id, flow_hash_config);
3177
3178     REPLY_MACRO(VL_API_SET_IP_FLOW_HASH_REPLY);
3179 }
3180
3181
3182 static void vl_api_set_ip_flow_hash_t_handler
3183 (vl_api_set_ip_flow_hash_t *mp)
3184 {
3185     if (mp->is_ipv6 == 0)
3186         set_ip4_flow_hash (mp);
3187     else
3188         set_ip6_flow_hash (mp);
3189 }
3190
3191 static void vl_api_sw_interface_set_unnumbered_t_handler
3192 (vl_api_sw_interface_set_unnumbered_t *mp)
3193 {
3194     vl_api_sw_interface_set_unnumbered_reply_t * rmp;
3195     int rv = 0;
3196     vnet_sw_interface_t * si;
3197     vnet_main_t *vnm = vnet_get_main();
3198     u32 sw_if_index, unnumbered_sw_if_index;
3199
3200     sw_if_index = ntohl(mp->sw_if_index);
3201     unnumbered_sw_if_index = ntohl(mp->unnumbered_sw_if_index);
3202
3203     /*
3204      * The API message field names are backwards from
3205      * the underlying data structure names.
3206      * It's not worth changing them now.
3207      */
3208     if (pool_is_free_index (vnm->interface_main.sw_interfaces,
3209                             unnumbered_sw_if_index)) {
3210         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX;
3211         goto done;
3212     }
3213
3214     /* Only check the "use loop0" field when setting the binding */
3215     if (mp->is_add &&
3216         pool_is_free_index (vnm->interface_main.sw_interfaces, sw_if_index)) {
3217         rv = VNET_API_ERROR_INVALID_SW_IF_INDEX_2;
3218         goto done;
3219     }
3220
3221     si = vnet_get_sw_interface (vnm, unnumbered_sw_if_index);
3222
3223     if (mp->is_add) {
3224         si->flags |= VNET_SW_INTERFACE_FLAG_UNNUMBERED;
3225         si->unnumbered_sw_if_index = sw_if_index;
3226     } else {
3227         si->flags &= ~(VNET_SW_INTERFACE_FLAG_UNNUMBERED);
3228         si->unnumbered_sw_if_index = (u32)~0;
3229     }
3230
3231  done:
3232     REPLY_MACRO(VL_API_SW_INTERFACE_SET_UNNUMBERED_REPLY);
3233 }
3234
3235 static void vl_api_create_loopback_t_handler
3236 (vl_api_create_loopback_t *mp)
3237 {
3238     vl_api_create_loopback_reply_t * rmp;
3239     u32 sw_if_index;
3240     int rv;
3241
3242     rv = vnet_create_loopback_interface (&sw_if_index, mp->mac_address);
3243
3244     REPLY_MACRO2(VL_API_CREATE_LOOPBACK_REPLY,
3245     ({
3246         rmp->sw_if_index = ntohl (sw_if_index);
3247     }));
3248 }
3249
3250 static void vl_api_delete_loopback_t_handler
3251 (vl_api_delete_loopback_t *mp)
3252 {
3253     vl_api_delete_loopback_reply_t * rmp;
3254     u32 sw_if_index;
3255     int rv;
3256
3257     sw_if_index = ntohl (mp->sw_if_index);
3258     rv = vnet_delete_loopback_interface (sw_if_index);
3259
3260     REPLY_MACRO(VL_API_DELETE_LOOPBACK_REPLY);
3261 }
3262
3263 static void vl_api_control_ping_t_handler
3264 (vl_api_control_ping_t *mp)
3265 {
3266     vl_api_control_ping_reply_t * rmp;
3267     int rv = 0;
3268
3269     REPLY_MACRO2(VL_API_CONTROL_PING_REPLY,
3270     ({
3271         rmp->vpe_pid = ntohl (getpid());
3272     }));
3273 }
3274
3275 static void shmem_cli_output (uword arg, u8 * buffer, uword buffer_bytes)
3276 {
3277     u8 **shmem_vecp = (u8 **)arg;
3278     u8 *shmem_vec;
3279     void *oldheap;
3280     api_main_t * am = &api_main;
3281     u32 offset;
3282
3283     shmem_vec = *shmem_vecp;
3284
3285     offset = vec_len (shmem_vec);
3286
3287     pthread_mutex_lock (&am->vlib_rp->mutex);
3288     oldheap = svm_push_data_heap (am->vlib_rp);
3289
3290     vec_validate (shmem_vec, offset + buffer_bytes - 1);
3291
3292     clib_memcpy (shmem_vec + offset, buffer, buffer_bytes);
3293
3294     svm_pop_heap (oldheap);
3295     pthread_mutex_unlock (&am->vlib_rp->mutex);
3296
3297     *shmem_vecp = shmem_vec;
3298 }
3299
3300
3301 static void vl_api_cli_request_t_handler
3302 (vl_api_cli_request_t *mp)
3303 {
3304     vl_api_cli_reply_t *rp;
3305     unix_shared_memory_queue_t *q;
3306     vlib_main_t * vm = vlib_get_main();
3307     api_main_t * am = &api_main;
3308     unformat_input_t input;
3309     u8 *shmem_vec=0;
3310     void *oldheap;
3311
3312     q = vl_api_client_index_to_input_queue (mp->client_index);
3313     if (!q)
3314         return;
3315
3316     rp = vl_msg_api_alloc (sizeof (*rp));
3317     rp->_vl_msg_id = ntohs(VL_API_CLI_REPLY);
3318     rp->context = mp->context;
3319
3320     unformat_init_vector (&input, (u8 *)(uword)mp->cmd_in_shmem);
3321
3322     vlib_cli_input (vm, &input, shmem_cli_output,
3323                     (uword)&shmem_vec);
3324
3325     pthread_mutex_lock (&am->vlib_rp->mutex);
3326     oldheap = svm_push_data_heap (am->vlib_rp);
3327
3328     vec_add1(shmem_vec, 0);
3329
3330     svm_pop_heap (oldheap);
3331     pthread_mutex_unlock (&am->vlib_rp->mutex);
3332
3333     rp->reply_in_shmem = (uword)shmem_vec;
3334
3335     vl_msg_api_send_shmem (q, (u8 *)&rp);
3336 }
3337
3338 static void vl_api_set_arp_neighbor_limit_t_handler (vl_api_set_arp_neighbor_limit_t *mp)
3339 {
3340     int rv;
3341     vl_api_set_arp_neighbor_limit_reply_t * rmp;
3342     vnet_main_t *vnm = vnet_get_main();
3343     clib_error_t * error;
3344
3345     vnm->api_errno = 0;
3346
3347     if (mp->is_ipv6)
3348         error = ip6_set_neighbor_limit (ntohl(mp->arp_neighbor_limit));
3349     else
3350         error = ip4_set_arp_limit (ntohl(mp->arp_neighbor_limit));
3351
3352     if (error)  {
3353         clib_error_report(error);
3354         rv = VNET_API_ERROR_UNSPECIFIED;
3355     } else {
3356         rv = vnm->api_errno;
3357     }
3358
3359     REPLY_MACRO(VL_API_SET_ARP_NEIGHBOR_LIMIT_REPLY);
3360 }
3361
3362 static void vl_api_sr_tunnel_add_del_t_handler
3363 (vl_api_sr_tunnel_add_del_t *mp)
3364 {
3365 #if IPV6SR == 0
3366     clib_warning ("unimplemented");
3367 #else
3368     ip6_sr_add_del_tunnel_args_t _a, *a=&_a;
3369     int rv = 0;
3370     vl_api_sr_tunnel_add_del_reply_t * rmp;
3371     ip6_address_t * segments = 0, * seg;
3372     ip6_address_t * tags = 0, *tag;
3373     ip6_address_t * this_address;
3374     int i;
3375
3376     if (mp->n_segments == 0) {
3377         rv = -11;
3378         goto out;
3379     }
3380
3381     memset (a, 0, sizeof (*a));
3382     a->src_address = (ip6_address_t *)&mp->src_address;
3383     a->dst_address = (ip6_address_t *)&mp->dst_address;
3384     a->dst_mask_width = mp->dst_mask_width;
3385     a->flags_net_byte_order = mp->flags_net_byte_order;
3386     a->is_del = (mp->is_add == 0);
3387     a->rx_table_id = ntohl(mp->outer_vrf_id);
3388     a->tx_table_id = ntohl(mp->inner_vrf_id);
3389
3390     /* Yank segments and tags out of the API message */
3391     this_address = (ip6_address_t *)mp->segs_and_tags;
3392     for (i = 0; i < mp->n_segments; i++) {
3393         vec_add2 (segments, seg, 1);
3394         clib_memcpy (seg->as_u8, this_address->as_u8, sizeof (*this_address));
3395         this_address++;
3396     }
3397     for (i = 0; i < mp->n_tags; i++) {
3398         vec_add2 (tags, tag, 1);
3399         clib_memcpy (tag->as_u8, this_address->as_u8, sizeof (*this_address));
3400         this_address++;
3401     }
3402
3403     a->segments = segments;
3404     a->tags = tags;
3405
3406     rv = ip6_sr_add_del_tunnel (a);
3407
3408 out:
3409
3410     REPLY_MACRO(VL_API_SR_TUNNEL_ADD_DEL_REPLY);
3411 #endif
3412 }
3413
3414 #define foreach_classify_add_del_table_field    \
3415 _(table_index)                                  \
3416 _(nbuckets)                                     \
3417 _(memory_size)                                  \
3418 _(skip_n_vectors)                               \
3419 _(match_n_vectors)                              \
3420 _(next_table_index)                             \
3421 _(miss_next_index)
3422
3423 static void vl_api_classify_add_del_table_t_handler
3424 (vl_api_classify_add_del_table_t * mp)
3425 {
3426     vl_api_classify_add_del_table_reply_t * rmp;
3427     vnet_classify_main_t * cm = &vnet_classify_main;
3428     vnet_classify_table_t * t;
3429     int rv;
3430
3431 #define _(a) u32 a;
3432     foreach_classify_add_del_table_field;
3433 #undef _
3434
3435 #define _(a) a = ntohl(mp->a);
3436     foreach_classify_add_del_table_field;
3437 #undef _
3438
3439     /* The underlying API fails silently, on purpose, so check here */
3440     if (mp->is_add == 0)
3441         if (pool_is_free_index (cm->tables, table_index)) {
3442             rv = VNET_API_ERROR_NO_SUCH_TABLE;
3443             goto out;
3444         }
3445
3446     rv = vnet_classify_add_del_table
3447         (cm, mp->mask, nbuckets, memory_size,
3448          skip_n_vectors, match_n_vectors,
3449          next_table_index, miss_next_index,
3450          &table_index, mp->is_add);
3451
3452 out:
3453     REPLY_MACRO2(VL_API_CLASSIFY_ADD_DEL_TABLE_REPLY,
3454     ({
3455         if (rv == 0 && mp->is_add) {
3456             t = pool_elt_at_index (cm->tables, table_index);
3457             rmp->skip_n_vectors = ntohl(t->skip_n_vectors);
3458             rmp->match_n_vectors = ntohl(t->match_n_vectors);
3459             rmp->new_table_index = ntohl(table_index);
3460         } else {
3461             rmp->skip_n_vectors = ~0;
3462             rmp->match_n_vectors = ~0;
3463             rmp->new_table_index = ~0;
3464         }
3465     }));
3466 }
3467
3468 static void vl_api_classify_add_del_session_t_handler
3469 (vl_api_classify_add_del_session_t * mp)
3470 {
3471     vnet_classify_main_t * cm = &vnet_classify_main;
3472     vl_api_classify_add_del_session_reply_t * rmp;
3473     int rv;
3474     u32 table_index, hit_next_index, opaque_index;
3475     i32 advance;
3476
3477     table_index = ntohl (mp->table_index);
3478     hit_next_index = ntohl (mp->hit_next_index);
3479     opaque_index = ntohl (mp->opaque_index);
3480     advance = ntohl (mp->advance);
3481
3482     rv = vnet_classify_add_del_session
3483         (cm, table_index, mp->match, hit_next_index, opaque_index,
3484          advance, mp->is_add);
3485
3486     REPLY_MACRO(VL_API_CLASSIFY_ADD_DEL_SESSION_REPLY);
3487 }
3488
3489 static void vl_api_classify_set_interface_ip_table_t_handler
3490 (vl_api_classify_set_interface_ip_table_t * mp)
3491 {
3492     vlib_main_t * vm = vlib_get_main();
3493     vl_api_classify_set_interface_ip_table_reply_t * rmp;
3494     int rv;
3495     u32 table_index, sw_if_index;
3496
3497     table_index = ntohl (mp->table_index);
3498     sw_if_index = ntohl (mp->sw_if_index);
3499
3500     VALIDATE_SW_IF_INDEX(mp);
3501
3502     if (mp->is_ipv6)
3503         rv = vnet_set_ip6_classify_intfc (vm, sw_if_index, table_index);
3504     else
3505         rv = vnet_set_ip4_classify_intfc (vm, sw_if_index, table_index);
3506
3507     BAD_SW_IF_INDEX_LABEL;
3508
3509     REPLY_MACRO(VL_API_CLASSIFY_SET_INTERFACE_IP_TABLE_REPLY);
3510 }
3511
3512 static void vl_api_classify_set_interface_l2_tables_t_handler
3513 (vl_api_classify_set_interface_l2_tables_t * mp)
3514 {
3515     vl_api_classify_set_interface_l2_tables_reply_t * rmp;
3516     int rv;
3517     u32 sw_if_index, ip4_table_index, ip6_table_index, other_table_index;
3518     int enable;
3519
3520     ip4_table_index = ntohl(mp->ip4_table_index);
3521     ip6_table_index = ntohl(mp->ip6_table_index);
3522     other_table_index = ntohl(mp->other_table_index);
3523     sw_if_index = ntohl(mp->sw_if_index);
3524
3525     VALIDATE_SW_IF_INDEX(mp);
3526
3527     rv = vnet_l2_classify_set_tables (sw_if_index, ip4_table_index,
3528                                       ip6_table_index, other_table_index);
3529
3530     if (rv == 0) {
3531         if (ip4_table_index != ~0 || ip6_table_index != ~0
3532             || other_table_index != ~0)
3533             enable = 1;
3534         else
3535             enable = 0;
3536
3537         vnet_l2_classify_enable_disable (sw_if_index, enable);
3538     }
3539
3540     BAD_SW_IF_INDEX_LABEL;
3541
3542     REPLY_MACRO(VL_API_CLASSIFY_SET_INTERFACE_L2_TABLES_REPLY);
3543 }
3544
3545 static void
3546 vl_api_l2_fib_clear_table_t_handler (vl_api_l2_fib_clear_table_t *mp)
3547 {
3548     int rv = 0;
3549     vl_api_l2_fib_clear_table_reply_t * rmp;
3550
3551     /* DAW-FIXME: This API should only clear non-static l2fib entries, but
3552      *            that is not currently implemented.  When that TODO is fixed
3553      *            this call should be changed to pass 1 instead of 0.
3554      */
3555     l2fib_clear_table (0);
3556
3557     REPLY_MACRO(VL_API_L2_FIB_CLEAR_TABLE_REPLY);
3558 }
3559
3560 extern void l2_efp_filter_configure(vnet_main_t * vnet_main,
3561                                     u32           sw_if_index,
3562                                     u32           enable);
3563
3564 static void
3565 vl_api_l2_interface_efp_filter_t_handler (vl_api_l2_interface_efp_filter_t *mp)
3566 {
3567     int rv;
3568     vl_api_l2_interface_efp_filter_reply_t * rmp;
3569     vnet_main_t *vnm = vnet_get_main();
3570
3571     // enable/disable the feature
3572     l2_efp_filter_configure (vnm, mp->sw_if_index, mp->enable_disable);
3573     rv = vnm->api_errno;
3574
3575     REPLY_MACRO(VL_API_L2_INTERFACE_EFP_FILTER_REPLY);
3576 }
3577
3578 static void
3579 vl_api_l2_interface_vlan_tag_rewrite_t_handler (vl_api_l2_interface_vlan_tag_rewrite_t *mp)
3580 {
3581     int rv = 0;
3582     vl_api_l2_interface_vlan_tag_rewrite_reply_t * rmp;
3583     vnet_main_t * vnm = vnet_get_main();
3584     vlib_main_t * vm = vlib_get_main();
3585     u32 vtr_op;
3586
3587     VALIDATE_SW_IF_INDEX(mp);
3588
3589     vtr_op = ntohl(mp->vtr_op);
3590
3591     /* The L2 code is unsuspicious */
3592     switch(vtr_op) {
3593     case L2_VTR_DISABLED:
3594     case L2_VTR_PUSH_1:
3595     case L2_VTR_PUSH_2:
3596     case L2_VTR_POP_1:
3597     case L2_VTR_POP_2:
3598     case L2_VTR_TRANSLATE_1_1:
3599     case L2_VTR_TRANSLATE_1_2:
3600     case L2_VTR_TRANSLATE_2_1:
3601     case L2_VTR_TRANSLATE_2_2:
3602         break;
3603
3604     default:
3605         rv = VNET_API_ERROR_INVALID_VALUE;
3606         goto bad_sw_if_index;
3607     }
3608
3609     rv = l2vtr_configure (vm, vnm, ntohl(mp->sw_if_index), vtr_op,
3610                           ntohl(mp->push_dot1q), ntohl(mp->tag1),
3611                           ntohl(mp->tag2));
3612
3613     BAD_SW_IF_INDEX_LABEL;
3614
3615     REPLY_MACRO(VL_API_L2_INTERFACE_VLAN_TAG_REWRITE_REPLY);
3616 }
3617
3618 static void
3619 vl_api_create_vhost_user_if_t_handler (vl_api_create_vhost_user_if_t *mp)
3620 {
3621 #if DPDK > 0
3622     int rv = 0;
3623     vl_api_create_vhost_user_if_reply_t * rmp;
3624     u32 sw_if_index = (u32)~0;
3625
3626     vnet_main_t * vnm = vnet_get_main();
3627     vlib_main_t * vm = vlib_get_main();
3628
3629     rv = dpdk_vhost_user_create_if(vnm, vm, (char *)mp->sock_filename,
3630                               mp->is_server, &sw_if_index, (u64)~0,
3631                               mp->renumber, ntohl(mp->custom_dev_instance),
3632                               (mp->use_custom_mac)?mp->mac_address:NULL);
3633
3634     REPLY_MACRO2(VL_API_CREATE_VHOST_USER_IF_REPLY,
3635     ({
3636       rmp->sw_if_index = ntohl (sw_if_index);
3637     }));
3638 #endif
3639 }
3640
3641 static void
3642 vl_api_modify_vhost_user_if_t_handler (vl_api_modify_vhost_user_if_t *mp)
3643 {
3644 #if DPDK > 0
3645     int rv = 0;
3646     vl_api_modify_vhost_user_if_reply_t * rmp;
3647     u32 sw_if_index = ntohl(mp->sw_if_index);
3648
3649     vnet_main_t * vnm = vnet_get_main();
3650     vlib_main_t * vm = vlib_get_main();
3651
3652     rv = dpdk_vhost_user_modify_if(vnm, vm, (char *)mp->sock_filename,
3653                               mp->is_server, sw_if_index, (u64)~0,
3654                               mp->renumber, ntohl(mp->custom_dev_instance));
3655
3656     REPLY_MACRO(VL_API_MODIFY_VHOST_USER_IF_REPLY);
3657 #endif
3658 }
3659
3660 static void
3661 vl_api_delete_vhost_user_if_t_handler (vl_api_delete_vhost_user_if_t *mp)
3662 {
3663 #if DPDK > 0
3664     int rv = 0;
3665     vpe_api_main_t * vam = &vpe_api_main;
3666     vl_api_delete_vhost_user_if_reply_t * rmp;
3667     u32 sw_if_index = ntohl(mp->sw_if_index);
3668
3669     vnet_main_t * vnm = vnet_get_main();
3670     vlib_main_t * vm = vlib_get_main();
3671
3672     rv = dpdk_vhost_user_delete_if(vnm, vm, sw_if_index);
3673
3674     REPLY_MACRO(VL_API_DELETE_VHOST_USER_IF_REPLY);
3675     if (!rv) {
3676         unix_shared_memory_queue_t * q =
3677             vl_api_client_index_to_input_queue (mp->client_index);
3678         if (!q)
3679             return;
3680
3681         send_sw_interface_flags_deleted (vam, q, sw_if_index);
3682     }
3683 #endif
3684 }
3685
3686 static void vl_api_sw_interface_vhost_user_details_t_handler (
3687     vl_api_sw_interface_vhost_user_details_t * mp)
3688 {
3689     clib_warning ("BUG");
3690 }
3691
3692 #if DPDK > 0
3693 static void send_sw_interface_vhost_user_details (vpe_api_main_t * am,
3694                                        unix_shared_memory_queue_t *q,
3695                                        vhost_user_intf_details_t * vui,
3696                                        u32 context)
3697 {
3698     vl_api_sw_interface_vhost_user_details_t * mp;
3699
3700     mp = vl_msg_api_alloc (sizeof (*mp));
3701     memset (mp, 0, sizeof (*mp));
3702     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_VHOST_USER_DETAILS);
3703     mp->sw_if_index = ntohl(vui->sw_if_index);
3704     mp->virtio_net_hdr_sz = ntohl (vui->virtio_net_hdr_sz);
3705     mp->features = clib_net_to_host_u64 (vui->features);
3706     mp->is_server = vui->is_server;
3707     mp->num_regions = ntohl(vui->num_regions);
3708     mp->sock_errno = ntohl(vui->sock_errno);
3709     mp->context = context;
3710
3711     strncpy ((char *) mp->sock_filename,
3712              (char *) vui->sock_filename, ARRAY_LEN(mp->sock_filename)-1);
3713     strncpy ((char *) mp->interface_name,
3714              (char *) vui->if_name, ARRAY_LEN(mp->interface_name)-1);
3715
3716     vl_msg_api_send_shmem (q, (u8 *)&mp);
3717 }
3718 #endif
3719
3720 static void
3721 vl_api_sw_interface_vhost_user_dump_t_handler (
3722         vl_api_sw_interface_vhost_user_dump_t *mp)
3723 {
3724 #if DPDK > 0
3725     int rv = 0;
3726     vpe_api_main_t * am = &vpe_api_main;
3727     vnet_main_t * vnm = vnet_get_main();
3728     vlib_main_t * vm = vlib_get_main();
3729     vhost_user_intf_details_t *ifaces = NULL;
3730     vhost_user_intf_details_t *vuid = NULL;
3731     unix_shared_memory_queue_t * q;
3732
3733     q = vl_api_client_index_to_input_queue (mp->client_index);
3734     if (q == 0)
3735         return;
3736
3737     rv = dpdk_vhost_user_dump_ifs(vnm, vm, &ifaces);
3738     if (rv)
3739         return;
3740
3741     vec_foreach (vuid, ifaces) {
3742         send_sw_interface_vhost_user_details (am, q, vuid, mp->context);
3743     }
3744     vec_free(ifaces);
3745 #endif
3746 }
3747
3748 static void send_sw_if_l2tpv3_tunnel_details (vpe_api_main_t * am,
3749                                        unix_shared_memory_queue_t *q,
3750                                        l2t_session_t *s,
3751                                        l2t_main_t * lm,
3752                                        u32 context)
3753 {
3754     vl_api_sw_if_l2tpv3_tunnel_details_t * mp;
3755     u8 * if_name = NULL;
3756     vnet_sw_interface_t * si = NULL;
3757
3758     si = vnet_get_hw_sw_interface (lm->vnet_main, s->hw_if_index);
3759
3760     if_name = format(if_name, "%U",
3761                      format_vnet_sw_interface_name, lm->vnet_main, si);
3762
3763     mp = vl_msg_api_alloc (sizeof (*mp));
3764     memset (mp, 0, sizeof (*mp));
3765     mp->_vl_msg_id = ntohs(VL_API_SW_IF_L2TPV3_TUNNEL_DETAILS);
3766     strncpy((char *)mp->interface_name,
3767             (char *)if_name, ARRAY_LEN(mp->interface_name)-1);
3768     mp->sw_if_index = ntohl(si->sw_if_index);
3769     mp->local_session_id = s->local_session_id;
3770     mp->remote_session_id = s->remote_session_id;
3771     mp->local_cookie[0] = s->local_cookie[0];
3772     mp->local_cookie[1] = s->local_cookie[1];
3773     mp->remote_cookie = s->remote_cookie;
3774     clib_memcpy(mp->client_address, &s->client_address, sizeof(s->client_address));
3775     clib_memcpy(mp->our_address, &s->our_address, sizeof(s->our_address));
3776     mp->l2_sublayer_present = s->l2_sublayer_present;
3777     mp->context = context;
3778
3779     vl_msg_api_send_shmem (q, (u8 *)&mp);
3780 }
3781
3782 static void send_ip_address_details (vpe_api_main_t * am,
3783                                      unix_shared_memory_queue_t * q,
3784                                      u8 * ip,
3785                                      u16 prefix_length,
3786                                      u8 is_ipv6)
3787 {
3788     vl_api_ip_address_details_t * mp;
3789
3790     mp = vl_msg_api_alloc (sizeof (*mp));
3791     memset (mp, 0, sizeof (*mp));
3792     mp->_vl_msg_id = ntohs(VL_API_IP_ADDRESS_DETAILS);
3793
3794     if (is_ipv6) {
3795         clib_memcpy(&mp->ip, ip, sizeof(mp->ip));
3796     } else {
3797         u32 * tp = (u32 *)mp->ip;
3798         *tp = ntohl(*(u32*)ip);
3799     }
3800     mp->prefix_length = prefix_length;
3801
3802     vl_msg_api_send_shmem (q, (u8 *)&mp);
3803 }
3804
3805 static void
3806 vl_api_ip_address_dump_t_handler (vl_api_ip_address_dump_t *mp)
3807 {
3808     vpe_api_main_t * am = &vpe_api_main;
3809     unix_shared_memory_queue_t * q;
3810     ip6_address_t * r6;
3811     ip4_address_t * r4;
3812     ip6_main_t * im6 = &ip6_main;
3813     ip4_main_t * im4 = &ip4_main;
3814     ip_lookup_main_t * lm6 = &im6->lookup_main;
3815     ip_lookup_main_t * lm4 = &im4->lookup_main;
3816     ip_interface_address_t * ia = 0;
3817     u32 sw_if_index = ~0;
3818
3819     sw_if_index = ntohl(mp->sw_if_index);
3820
3821     q = vl_api_client_index_to_input_queue (mp->client_index);
3822     if (q == 0) {
3823         return;
3824     }
3825
3826     if (mp->is_ipv6) {
3827         foreach_ip_interface_address (lm6, ia, sw_if_index,
3828                                       1 /* honor unnumbered */,
3829         ({
3830             r6 = ip_interface_address_get_address (lm6, ia);
3831             u16 prefix_length = ia->address_length;
3832             send_ip_address_details(am, q, (u8*)r6, prefix_length, 1);
3833         }));
3834     } else {
3835         foreach_ip_interface_address (lm4, ia, sw_if_index,
3836                                       1 /* honor unnumbered */,
3837         ({
3838             r4 = ip_interface_address_get_address (lm4, ia);
3839             u16 prefix_length = ia->address_length;
3840             send_ip_address_details(am, q, (u8*)r4, prefix_length, 0);
3841         }));
3842     }
3843 }
3844
3845 static void send_ip_details (vpe_api_main_t * am,
3846                                unix_shared_memory_queue_t *q,
3847                                u32 sw_if_index)
3848 {
3849     vl_api_ip_details_t * mp;
3850
3851     mp = vl_msg_api_alloc (sizeof (*mp));
3852     memset (mp, 0, sizeof (*mp));
3853     mp->_vl_msg_id = ntohs(VL_API_IP_DETAILS);
3854
3855     mp->sw_if_index = ntohl(sw_if_index);
3856
3857     vl_msg_api_send_shmem (q, (u8 *)&mp);
3858 }
3859
3860 static void
3861 vl_api_sw_if_l2tpv3_tunnel_dump_t_handler (
3862         vl_api_sw_if_l2tpv3_tunnel_dump_t *mp)
3863 {
3864     vpe_api_main_t * am = &vpe_api_main;
3865     l2t_main_t * lm = &l2t_main;
3866     unix_shared_memory_queue_t * q;
3867     l2t_session_t *session;
3868
3869     q = vl_api_client_index_to_input_queue (mp->client_index);
3870     if (q == 0)
3871         return;
3872
3873     pool_foreach (session, lm->sessions,
3874     ({
3875         send_sw_if_l2tpv3_tunnel_details (am, q, session, lm, mp->context);
3876     }));
3877 }
3878
3879
3880 static void send_sw_interface_tap_details (vpe_api_main_t * am,
3881                                        unix_shared_memory_queue_t *q,
3882                                        tapcli_interface_details_t *tap_if)
3883 {
3884     vl_api_sw_interface_tap_details_t * mp;
3885     mp = vl_msg_api_alloc (sizeof (*mp));
3886     memset (mp, 0, sizeof (*mp));
3887     mp->_vl_msg_id = ntohs(VL_API_SW_INTERFACE_TAP_DETAILS);
3888     mp->sw_if_index = ntohl(tap_if->sw_if_index);
3889     strncpy((char *)mp->dev_name,
3890             (char *)tap_if->dev_name, ARRAY_LEN(mp->dev_name)-1);
3891
3892     vl_msg_api_send_shmem (q, (u8 *)&mp);
3893 }
3894
3895 static void
3896 vl_api_sw_interface_tap_dump_t_handler (
3897         vl_api_sw_interface_tap_dump_t *mp)
3898 {
3899     int rv = 0;
3900     vpe_api_main_t * am = &vpe_api_main;
3901     unix_shared_memory_queue_t * q;
3902     tapcli_interface_details_t *tapifs = NULL;
3903     tapcli_interface_details_t *tap_if = NULL;
3904
3905     q = vl_api_client_index_to_input_queue (mp->client_index);
3906     if (q == 0)
3907         return;
3908
3909     rv = vnet_tap_dump_ifs(&tapifs);
3910     if (rv)
3911         return;
3912
3913     vec_foreach(tap_if, tapifs) {
3914         send_sw_interface_tap_details(am, q, tap_if);
3915     }
3916
3917     vec_free(tapifs);
3918 }
3919
3920 static void
3921 vl_api_ip_dump_t_handler (vl_api_ip_dump_t *mp)
3922 {
3923     vpe_api_main_t * am = &vpe_api_main;
3924     vnet_main_t * vnm = vnet_get_main();
3925     vlib_main_t * vm = vlib_get_main();
3926     vnet_interface_main_t * im = &vnm->interface_main;
3927     unix_shared_memory_queue_t * q;
3928     vnet_sw_interface_t * si, * sorted_sis;
3929     u32 sw_if_index = ~0;
3930
3931     q = vl_api_client_index_to_input_queue (mp->client_index);
3932     if (q == 0) {
3933         return;
3934     }
3935
3936     /* Gather interfaces. */
3937     sorted_sis = vec_new (vnet_sw_interface_t, pool_elts (im->sw_interfaces));
3938     _vec_len (sorted_sis) = 0;
3939     pool_foreach (si, im->sw_interfaces, ({ vec_add1 (sorted_sis, si[0]); }));
3940
3941     vec_foreach (si, sorted_sis) {
3942         if (!(si->flags & VNET_SW_INTERFACE_FLAG_UNNUMBERED)) {
3943             if (mp->is_ipv6 && !ip6_interface_enabled(vm, si->sw_if_index)) {
3944                 continue;
3945             }
3946             sw_if_index = si->sw_if_index;
3947             send_ip_details(am, q, sw_if_index);
3948         }
3949     }
3950 }
3951
3952 static void vl_api_l2_fib_table_entry_t_handler (
3953     vl_api_l2_fib_table_entry_t * mp)
3954 {
3955     clib_warning ("BUG");
3956 }
3957
3958 static void send_l2fib_table_entry (vpe_api_main_t * am,
3959                                     unix_shared_memory_queue_t *q,
3960                                     l2fib_entry_key_t * l2fe_key,
3961                                     l2fib_entry_result_t * l2fe_res,
3962                                     u32 context)
3963 {
3964     vl_api_l2_fib_table_entry_t * mp;
3965
3966     mp = vl_msg_api_alloc (sizeof (*mp));
3967     memset (mp, 0, sizeof (*mp));
3968     mp->_vl_msg_id = ntohs(VL_API_L2_FIB_TABLE_ENTRY);
3969
3970     mp->bd_id = ntohl(l2input_main.bd_configs[l2fe_key->fields.bd_index].bd_id);
3971
3972     mp->mac = l2fib_make_key (l2fe_key->fields.mac, 0);
3973     mp->sw_if_index = ntohl(l2fe_res->fields.sw_if_index);
3974     mp->static_mac = l2fe_res->fields.static_mac;
3975     mp->filter_mac = l2fe_res->fields.filter;
3976     mp->bvi_mac = l2fe_res->fields.bvi;
3977     mp->context = context;
3978
3979     vl_msg_api_send_shmem (q, (u8 *)&mp);
3980 }
3981
3982 static void
3983 vl_api_l2_fib_table_dump_t_handler (vl_api_l2_fib_table_dump_t *mp)
3984 {
3985     vpe_api_main_t * am = &vpe_api_main;
3986     bd_main_t * bdm = &bd_main;
3987     l2fib_entry_key_t *l2fe_key = NULL;
3988     l2fib_entry_result_t *l2fe_res = NULL;
3989     u32 ni, bd_id = ntohl (mp->bd_id);
3990     u32 bd_index;
3991     unix_shared_memory_queue_t * q;
3992     uword * p;
3993
3994     q = vl_api_client_index_to_input_queue (mp->client_index);
3995     if (q == 0)
3996         return;
3997
3998     /* see l2fib_table_dump: ~0 means "any" */
3999     if (bd_id == ~0)
4000         bd_index = ~0;
4001     else {
4002         p = hash_get (bdm->bd_index_by_bd_id, bd_id);
4003         if (p == 0)
4004             return;
4005
4006         bd_index = p[0];
4007     }
4008
4009     l2fib_table_dump (bd_index, &l2fe_key, &l2fe_res);
4010
4011     vec_foreach_index (ni, l2fe_key) {
4012         send_l2fib_table_entry (am, q, vec_elt_at_index(l2fe_key, ni),
4013                                 vec_elt_at_index(l2fe_res, ni), mp->context);
4014     }
4015     vec_free(l2fe_key);
4016     vec_free(l2fe_res);
4017 }
4018
4019 static void
4020 vl_api_show_version_t_handler (vl_api_show_version_t *mp)
4021 {
4022     vl_api_show_version_reply_t *rmp;
4023     int rv = 0;
4024     char * vpe_api_get_build_directory(void);
4025     char * vpe_api_get_version(void);
4026     char * vpe_api_get_build_date(void);
4027
4028     unix_shared_memory_queue_t * q =
4029         vl_api_client_index_to_input_queue (mp->client_index);
4030
4031     if (!q)
4032         return;
4033
4034     REPLY_MACRO2(VL_API_SHOW_VERSION_REPLY,
4035     ({
4036         strncpy ((char *) rmp->program, "vpe", ARRAY_LEN(rmp->program)-1);
4037         strncpy ((char *) rmp->build_directory, vpe_api_get_build_directory(),
4038                  ARRAY_LEN(rmp->build_directory)-1);
4039         strncpy ((char *) rmp->version, vpe_api_get_version(),
4040                  ARRAY_LEN(rmp->version)-1);
4041         strncpy ((char *) rmp->build_date, vpe_api_get_build_date(),
4042                  ARRAY_LEN(rmp->build_date)-1);
4043     }));
4044 }
4045
4046 static void vl_api_get_node_index_t_handler
4047 (vl_api_get_node_index_t * mp)
4048 {
4049     vlib_main_t * vm = vlib_get_main();
4050     vl_api_get_node_index_reply_t * rmp;
4051     vlib_node_t * n;
4052     int rv = 0;
4053     u32 node_index = ~0;
4054
4055     n = vlib_get_node_by_name (vm, mp->node_name);
4056
4057     if (n == 0)
4058         rv = VNET_API_ERROR_NO_SUCH_NODE;
4059     else
4060         node_index = n->index;
4061
4062     REPLY_MACRO2(VL_API_GET_NODE_INDEX_REPLY,
4063     ({
4064         rmp->node_index = ntohl(node_index);
4065     }))
4066 }
4067
4068 static void vl_api_add_node_next_t_handler
4069 (vl_api_add_node_next_t * mp)
4070 {
4071     vlib_main_t * vm = vlib_get_main();
4072     vl_api_add_node_next_reply_t * rmp;
4073     vlib_node_t * n, * next;
4074     int rv = 0;
4075     u32 next_index = ~0;
4076
4077     n = vlib_get_node_by_name (vm, mp->node_name);
4078
4079     if (n == 0) {
4080         rv = VNET_API_ERROR_NO_SUCH_NODE;
4081         goto out;
4082     }
4083
4084     next = vlib_get_node_by_name (vm, mp->next_name);
4085
4086     if (next == 0)
4087         rv = VNET_API_ERROR_NO_SUCH_NODE2;
4088     else
4089         next_index = vlib_node_add_next (vm, n->index, next->index);
4090
4091 out:
4092     REPLY_MACRO2(VL_API_GET_NODE_INDEX_REPLY,
4093     ({
4094         rmp->next_index = ntohl(next_index);
4095     }))
4096 }
4097
4098 static void vl_api_l2tpv3_create_tunnel_t_handler
4099 (vl_api_l2tpv3_create_tunnel_t *mp)
4100 {
4101     vl_api_l2tpv3_create_tunnel_reply_t * rmp;
4102     l2t_main_t *lm = &l2t_main;
4103     u32 sw_if_index = (u32)~0;
4104     int rv;
4105
4106     if (mp->is_ipv6 != 1) {
4107         rv = VNET_API_ERROR_UNIMPLEMENTED;
4108         goto out;
4109     }
4110
4111     rv = create_l2tpv3_ipv6_tunnel (lm,
4112                                (ip6_address_t *) mp->client_address,
4113                                (ip6_address_t *) mp->our_address,
4114                                ntohl(mp->local_session_id),
4115                                ntohl(mp->remote_session_id),
4116                                clib_net_to_host_u64(mp->local_cookie),
4117                                clib_net_to_host_u64(mp->remote_cookie),
4118                                mp->l2_sublayer_present,
4119                                &sw_if_index);
4120
4121 out:
4122     REPLY_MACRO2(VL_API_L2TPV3_CREATE_TUNNEL_REPLY,
4123     ({
4124         rmp->sw_if_index = ntohl (sw_if_index);
4125     }))
4126 }
4127
4128 static void vl_api_l2tpv3_set_tunnel_cookies_t_handler
4129 (vl_api_l2tpv3_set_tunnel_cookies_t *mp)
4130 {
4131     vl_api_l2tpv3_set_tunnel_cookies_reply_t * rmp;
4132     l2t_main_t *lm = &l2t_main;
4133     int rv;
4134
4135     VALIDATE_SW_IF_INDEX(mp);
4136
4137     rv = l2tpv3_set_tunnel_cookies (lm, ntohl(mp->sw_if_index),
4138                                   clib_net_to_host_u64(mp->new_local_cookie),
4139                                   clib_net_to_host_u64(mp->new_remote_cookie));
4140
4141     BAD_SW_IF_INDEX_LABEL;
4142
4143     REPLY_MACRO (VL_API_L2TPV3_SET_TUNNEL_COOKIES_REPLY);
4144 }
4145
4146 static void vl_api_l2tpv3_interface_enable_disable_t_handler
4147 (vl_api_l2tpv3_interface_enable_disable_t * mp)
4148 {
4149     int rv;
4150     vnet_main_t * vnm = vnet_get_main();
4151     vl_api_l2tpv3_interface_enable_disable_reply_t * rmp;
4152
4153     VALIDATE_SW_IF_INDEX(mp);
4154
4155     rv = l2tpv3_interface_enable_disable
4156         (vnm, ntohl(mp->sw_if_index), mp->enable_disable);
4157
4158     BAD_SW_IF_INDEX_LABEL;
4159
4160     REPLY_MACRO (VL_API_L2TPV3_INTERFACE_ENABLE_DISABLE_REPLY);
4161 }
4162
4163 static void vl_api_l2tpv3_set_lookup_key_t_handler
4164 (vl_api_l2tpv3_set_lookup_key_t * mp)
4165 {
4166     int rv = 0;
4167     l2t_main_t *lm = &l2t_main;
4168     vl_api_l2tpv3_set_lookup_key_reply_t * rmp;
4169
4170     if (mp->key > L2T_LOOKUP_SESSION_ID) {
4171         rv = VNET_API_ERROR_INVALID_VALUE;
4172         goto out;
4173     }
4174
4175     lm->lookup_type = mp->key;
4176
4177 out:
4178     REPLY_MACRO (VL_API_L2TPV3_SET_LOOKUP_KEY_REPLY);
4179 }
4180
4181 static void vl_api_vxlan_add_del_tunnel_t_handler
4182 (vl_api_vxlan_add_del_tunnel_t * mp)
4183 {
4184     vl_api_vxlan_add_del_tunnel_reply_t * rmp;
4185     int rv = 0;
4186     vnet_vxlan_add_del_tunnel_args_t _a, *a = &_a;
4187     u32 encap_fib_index;
4188     uword * p;
4189     ip4_main_t * im = &ip4_main;
4190     u32 sw_if_index = ~0;
4191
4192     p = hash_get (im->fib_index_by_table_id, ntohl(mp->encap_vrf_id));
4193     if (! p) {
4194         rv = VNET_API_ERROR_NO_SUCH_FIB;
4195         goto out;
4196     }
4197     encap_fib_index = p[0];
4198
4199     memset (a, 0, sizeof (*a));
4200
4201     a->is_add = mp->is_add;
4202
4203     /* ip addresses sent in network byte order */
4204     a->src.as_u32 = mp->src_address;
4205     a->dst.as_u32 = mp->dst_address;
4206
4207     a->encap_fib_index = encap_fib_index;
4208     a->decap_next_index = ntohl(mp->decap_next_index);
4209     a->vni = ntohl(mp->vni);
4210     rv = vnet_vxlan_add_del_tunnel (a, &sw_if_index);
4211
4212 out:
4213     REPLY_MACRO2(VL_API_VXLAN_ADD_DEL_TUNNEL_REPLY,
4214     ({
4215         rmp->sw_if_index = ntohl (sw_if_index);
4216     }));
4217 }
4218
4219 static void send_vxlan_tunnel_details
4220 (vxlan_tunnel_t * t, unix_shared_memory_queue_t * q)
4221 {
4222     vl_api_vxlan_tunnel_details_t * rmp;
4223     ip4_main_t * im = &ip4_main;
4224
4225     rmp = vl_msg_api_alloc (sizeof (*rmp));
4226     memset (rmp, 0, sizeof (*rmp));
4227     rmp->_vl_msg_id = ntohs(VL_API_VXLAN_TUNNEL_DETAILS);
4228     rmp->src_address = t->src.data_u32;
4229     rmp->dst_address = t->dst.data_u32;
4230     rmp->encap_vrf_id = htonl(im->fibs[t->encap_fib_index].table_id);
4231     rmp->vni = htonl(t->vni);
4232     rmp->decap_next_index = htonl(t->decap_next_index);
4233     rmp->sw_if_index = htonl(t->sw_if_index);
4234
4235     vl_msg_api_send_shmem (q, (u8 *)&rmp);
4236 }
4237
4238 static void vl_api_vxlan_tunnel_dump_t_handler
4239 (vl_api_vxlan_tunnel_dump_t * mp)
4240 {
4241     unix_shared_memory_queue_t * q;
4242     vxlan_main_t * vxm = &vxlan_main;
4243     vxlan_tunnel_t * t;
4244     u32 sw_if_index;
4245
4246     q = vl_api_client_index_to_input_queue (mp->client_index);
4247     if (q == 0) {
4248         return;
4249     }
4250
4251     sw_if_index = ntohl(mp->sw_if_index);
4252
4253     if (~0 == sw_if_index) {
4254         pool_foreach (t, vxm->tunnels,
4255         ({
4256             send_vxlan_tunnel_details(t, q);
4257         }));
4258     } else {
4259         if ((sw_if_index >= vec_len(vxm->tunnel_index_by_sw_if_index)) ||
4260                 (~0 == vxm->tunnel_index_by_sw_if_index[sw_if_index])) {
4261             return;
4262         }
4263         t = &vxm->tunnels[vxm->tunnel_index_by_sw_if_index[sw_if_index]];
4264         send_vxlan_tunnel_details(t, q);
4265     }
4266 }
4267
4268 static void
4269 vl_api_l2_patch_add_del_t_handler (vl_api_l2_patch_add_del_t *mp)
4270 {
4271     extern int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
4272                                       int is_add);
4273     vl_api_l2_patch_add_del_reply_t * rmp;
4274     int vnet_l2_patch_add_del (u32 rx_sw_if_index, u32 tx_sw_if_index,
4275                                int is_add);
4276     int rv = 0;
4277
4278     VALIDATE_RX_SW_IF_INDEX(mp);
4279     VALIDATE_TX_SW_IF_INDEX(mp);
4280
4281     rv = vnet_l2_patch_add_del (ntohl(mp->rx_sw_if_index),
4282                                 ntohl(mp->tx_sw_if_index),
4283                                 (int)(mp->is_add != 0));
4284
4285     BAD_RX_SW_IF_INDEX_LABEL;
4286     BAD_TX_SW_IF_INDEX_LABEL;
4287
4288     REPLY_MACRO(VL_API_L2_PATCH_ADD_DEL_REPLY);
4289 }
4290
4291 static void
4292 vl_api_nsh_gre_add_del_tunnel_t_handler
4293 (vl_api_nsh_gre_add_del_tunnel_t * mp)
4294 {
4295     vl_api_nsh_gre_add_del_tunnel_reply_t * rmp;
4296     int rv = 0;
4297     vnet_nsh_gre_add_del_tunnel_args_t _a, *a = &_a;
4298     u32 encap_fib_index, decap_fib_index;
4299     u32 decap_next_index;
4300     uword * p;
4301     ip4_main_t * im = &ip4_main;
4302     u32 * tlvs = 0;
4303     u32 sw_if_index = ~0;
4304     int i;
4305
4306     p = hash_get (im->fib_index_by_table_id, ntohl(mp->encap_vrf_id));
4307     if (! p) {
4308         rv = VNET_API_ERROR_NO_SUCH_FIB;
4309         goto out;
4310     }
4311     encap_fib_index = p[0];
4312
4313     decap_next_index = ntohl(mp->decap_next_index);
4314
4315     /* Interpret decap_vrf_id as an opaque if sending to other-than-ip4-input */
4316     if (decap_next_index == NSH_INPUT_NEXT_IP4_INPUT) {
4317         p = hash_get (im->fib_index_by_table_id, ntohl(mp->decap_vrf_id));
4318         if (! p) {
4319             rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
4320             goto out;
4321         }
4322         decap_fib_index = p[0];
4323     } else {
4324         decap_fib_index = ntohl(mp->decap_vrf_id);
4325     }
4326
4327     memset (a, 0, sizeof (*a));
4328
4329     a->is_add = mp->is_add;
4330     /* ip addresses sent in network byte order */
4331     a->src.as_u32 = ntohl(mp->src);
4332     a->dst.as_u32 = ntohl(mp->dst);
4333     a->encap_fib_index = encap_fib_index;
4334     a->decap_fib_index = decap_fib_index;
4335     a->decap_next_index = decap_next_index;
4336     a->ver_o_c = mp->ver_o_c;
4337     a->length = mp->length;
4338     a->md_type = mp->md_type;
4339     a->next_protocol = mp->next_protocol;
4340     a->spi_si = ntohl(mp->spi_si);
4341     a->c1 = ntohl(mp->c1);
4342     a->c2 = ntohl(mp->c2);
4343     a->c3 = ntohl(mp->c3);
4344     a->c4 = ntohl(mp->c4);
4345
4346     for (i = 0; i < mp->tlv_len_in_words; i++)
4347         vec_add1 (tlvs, ntohl(mp->tlvs[i]));
4348
4349     a->tlvs = tlvs;
4350
4351     rv = vnet_nsh_gre_add_del_tunnel (a, &sw_if_index);
4352
4353 out:
4354     REPLY_MACRO2(VL_API_NSH_GRE_ADD_DEL_TUNNEL_REPLY,
4355     ({
4356         rmp->sw_if_index = ntohl (sw_if_index);
4357     }));
4358 }
4359
4360 static void
4361 vl_api_nsh_vxlan_gpe_add_del_tunnel_t_handler
4362 (vl_api_nsh_vxlan_gpe_add_del_tunnel_t * mp)
4363 {
4364     vl_api_nsh_vxlan_gpe_add_del_tunnel_reply_t * rmp;
4365     int rv = 0;
4366     vnet_nsh_vxlan_gpe_add_del_tunnel_args_t _a, *a = &_a;
4367     u32 encap_fib_index, decap_fib_index;
4368     u32 decap_next_index;
4369     uword * p;
4370     ip4_main_t * im = &ip4_main;
4371     u32 * tlvs = 0;
4372     u32 sw_if_index = ~0;
4373     int i;
4374
4375     p = hash_get (im->fib_index_by_table_id, ntohl(mp->encap_vrf_id));
4376     if (! p) {
4377         rv = VNET_API_ERROR_NO_SUCH_FIB;
4378         goto out;
4379     }
4380     encap_fib_index = p[0];
4381
4382     decap_next_index = ntohl(mp->decap_next_index);
4383
4384     /* Interpret decap_vrf_id as an opaque if sending to other-than-ip4-input */
4385     if (decap_next_index == NSH_INPUT_NEXT_IP4_INPUT) {
4386         p = hash_get (im->fib_index_by_table_id, ntohl(mp->decap_vrf_id));
4387         if (! p) {
4388             rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
4389             goto out;
4390         }
4391         decap_fib_index = p[0];
4392     } else {
4393         decap_fib_index = ntohl(mp->decap_vrf_id);
4394     }
4395
4396     memset (a, 0, sizeof (*a));
4397
4398     a->is_add = mp->is_add;
4399     /* ip addresses sent in network byte order */
4400     a->src.as_u32 = ntohl(mp->src);
4401     a->dst.as_u32 = ntohl(mp->dst);
4402     a->encap_fib_index = encap_fib_index;
4403     a->decap_fib_index = decap_fib_index;
4404     a->decap_next_index = decap_next_index;
4405     a->vni = ntohl(mp->vni);
4406     a->ver_o_c = mp->ver_o_c;
4407     a->length = mp->length;
4408     a->md_type = mp->md_type;
4409     a->next_protocol = mp->next_protocol;
4410     a->spi_si = ntohl(mp->spi_si);
4411     a->c1 = ntohl(mp->c1);
4412     a->c2 = ntohl(mp->c2);
4413     a->c3 = ntohl(mp->c3);
4414     a->c4 = ntohl(mp->c4);
4415
4416     for (i = 0; i < mp->tlv_len_in_words; i++)
4417         vec_add1 (tlvs, ntohl(mp->tlvs[i]));
4418
4419     a->tlvs = tlvs;
4420
4421     rv = vnet_nsh_vxlan_gpe_add_del_tunnel (a, &sw_if_index);
4422
4423 out:
4424     REPLY_MACRO2(VL_API_NSH_VXLAN_GPE_ADD_DEL_TUNNEL_REPLY,
4425     ({
4426         rmp->sw_if_index = ntohl (sw_if_index);
4427     }));
4428 }
4429
4430 static void
4431 vl_api_lisp_gpe_add_del_tunnel_t_handler
4432 (vl_api_lisp_gpe_add_del_tunnel_t * mp)
4433 {
4434     vl_api_lisp_gpe_add_del_tunnel_reply_t * rmp;
4435     int rv = 0;
4436     vnet_lisp_gpe_add_del_tunnel_args_t _a, *a = &_a;
4437     u32 encap_fib_index, decap_fib_index;
4438     u32 decap_next_index;
4439     uword * p;
4440     ip4_main_t * im = &ip4_main;
4441     u32 sw_if_index = ~0;
4442
4443     p = hash_get (im->fib_index_by_table_id, ntohl(mp->encap_vrf_id));
4444     if (! p) {
4445         rv = VNET_API_ERROR_NO_SUCH_FIB;
4446         goto out;
4447     }
4448     encap_fib_index = p[0];
4449
4450     decap_next_index = ntohl(mp->decap_next_index);
4451
4452     /* Interpret decap_vrf_id as an opaque if sending to other-than-ip4-input */
4453     if (decap_next_index == NSH_INPUT_NEXT_IP4_INPUT) {
4454         p = hash_get (im->fib_index_by_table_id, ntohl(mp->decap_vrf_id));
4455         if (! p) {
4456             rv = VNET_API_ERROR_NO_SUCH_INNER_FIB;
4457             goto out;
4458         }
4459         decap_fib_index = p[0];
4460     } else {
4461         decap_fib_index = ntohl(mp->decap_vrf_id);
4462     }
4463
4464     memset (a, 0, sizeof (*a));
4465
4466     a->is_add = mp->is_add;
4467     /* ip addresses sent in network byte order */
4468     a->src.as_u32 = mp->src;
4469     a->dst.as_u32 = mp->dst;
4470     a->encap_fib_index = encap_fib_index;
4471     a->decap_fib_index = decap_fib_index;
4472     a->decap_next_index = decap_next_index;
4473     a->flags = mp->flags;
4474     a->ver_res = mp->ver_res;
4475     a->res = mp->res;
4476     a->next_protocol = mp->next_protocol;
4477     a->vni = clib_net_to_host_u32 (mp->iid);
4478
4479     rv = vnet_lisp_gpe_add_del_tunnel (a, &sw_if_index);
4480
4481 out:
4482     REPLY_MACRO2(VL_API_LISP_GPE_ADD_DEL_TUNNEL_REPLY,
4483     ({
4484         rmp->sw_if_index = ntohl (sw_if_index);
4485     }));
4486 }
4487
4488 static void
4489 vl_api_lisp_add_del_locator_set_t_handler(vl_api_lisp_add_del_locator_set_t *mp)
4490 {
4491     vl_api_lisp_add_del_locator_set_reply_t *rmp;
4492     int rv = 0;
4493     vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
4494     u32 ls_index = ~0;
4495     u8 *locator_name = NULL;
4496
4497     memset(a, 0, sizeof(a[0]));
4498
4499     locator_name = format(0, "%s", mp->locator_set_name);
4500
4501     a->name = locator_name;
4502     a->locators = NULL;
4503     a->is_add = mp->is_add;
4504     a->local = 1;
4505
4506     rv = vnet_lisp_add_del_locator_set_name(a, &ls_index);
4507
4508     vec_free(locator_name);
4509
4510     REPLY_MACRO(VL_API_LISP_ADD_DEL_LOCATOR_SET_REPLY);
4511 }
4512
4513 static void
4514 vl_api_lisp_add_del_locator_t_handler(
4515     vl_api_lisp_add_del_locator_t *mp)
4516 {
4517     vl_api_lisp_add_del_locator_reply_t *rmp;
4518     int rv = 0;
4519     locator_t locator, *locators = NULL;
4520     vnet_lisp_add_del_locator_set_args_t _a, *a = &_a;
4521     u32 ls_index = ~0;
4522     u8 *locator_name = NULL;
4523
4524     memset(&locator, 0, sizeof(locator));
4525     memset(a, 0, sizeof(a[0]));
4526
4527     locator.sw_if_index = ntohl(mp->sw_if_index);
4528     locator.priority = mp->priority;
4529     locator.weight = mp->weight;
4530     locator.local = 1;
4531     vec_add1(locators, locator);
4532
4533     locator_name = format(0, "%s", mp->locator_set_name);
4534
4535     a->name = locator_name;
4536     a->locators = locators;
4537     a->is_add = mp->is_add;
4538     a->local = 1;
4539
4540     rv = vnet_lisp_add_del_locator(a, &ls_index);
4541
4542     vec_free(locators);
4543     vec_free(locator_name);
4544
4545     REPLY_MACRO(VL_API_LISP_ADD_DEL_LOCATOR_REPLY);
4546 }
4547
4548 static void
4549 vl_api_lisp_add_del_local_eid_t_handler(
4550     vl_api_lisp_add_del_local_eid_t *mp)
4551 {
4552     vl_api_lisp_add_del_local_eid_reply_t *rmp;
4553     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
4554     int rv = 0;
4555     ip_prefix_t  *prefp = NULL;
4556     ip_address_t *ip_eid = NULL;
4557     gid_address_t eid;
4558     uword * p = NULL;
4559     u32 locator_set_index = ~0, map_index = ~0;
4560     vnet_lisp_add_del_mapping_args_t _a, *a = &_a;
4561     u8 *name = NULL;
4562
4563     prefp = &gid_address_ippref(&eid);
4564     ip_eid = &ip_prefix_addr(prefp);
4565     gid_address_type (&eid) = IP_PREFIX;
4566
4567     if (mp->is_ipv6) {
4568         clib_memcpy(&ip_addr_v6(ip_eid), mp->ip_address,
4569                sizeof(ip_addr_v6(ip_eid)));
4570         ip_addr_version(ip_eid) = IP6;
4571     } else {
4572         clib_memcpy(&ip_addr_v4(ip_eid), mp->ip_address,
4573                sizeof(ip_addr_v4(ip_eid)));
4574         ip_addr_version(ip_eid) = IP4;
4575     }
4576     ip_prefix_len(prefp) = mp->prefix_len;
4577
4578     name = format(0, "%s", mp->locator_set_name);
4579     p = hash_get_mem(lcm->locator_set_index_by_name, name);
4580     if (!p) {
4581         rv = VNET_API_ERROR_INVALID_VALUE;
4582         goto out;
4583     }
4584     locator_set_index = p[0];
4585
4586   /* XXX treat batch configuration */
4587     a->is_add = mp->is_add;
4588     a->deid = eid;
4589     a->locator_set_index = locator_set_index;
4590     a->local = 1;
4591
4592     rv = vnet_lisp_add_del_local_mapping(a, &map_index);
4593
4594 out:
4595     vec_free(name);
4596
4597     REPLY_MACRO(VL_API_LISP_ADD_DEL_LOCAL_EID_REPLY);
4598 }
4599
4600 static void
4601 lisp_gpe_add_del_fwd_entry_set_address(
4602     vl_api_lisp_gpe_add_del_fwd_entry_t *mp,
4603     ip_address_t                        *slocator,
4604     ip_address_t                        *dlocator,
4605     gid_address_t                       *eid)
4606 {
4607     ip_address_t *ip_eid = NULL;
4608     ip_prefix_t *prefp = NULL;
4609
4610     prefp = &gid_address_ippref(eid);
4611     ip_eid = &ip_prefix_addr(prefp);
4612
4613     if (mp->eid_is_ipv6) {
4614         clib_memcpy(&ip_addr_v6(ip_eid), mp->eid_ip_address,
4615                sizeof(ip_addr_v6(ip_eid)));
4616         ip_addr_version(ip_eid) = IP6;
4617     } else {
4618         clib_memcpy(&ip_addr_v4(ip_eid), mp->eid_ip_address,
4619                sizeof(ip_addr_v4(ip_eid)));
4620         ip_addr_version(ip_eid) = IP4;
4621     }
4622     ip_prefix_len(prefp) = mp->eid_prefix_len;
4623
4624     if (mp->address_is_ipv6) {
4625         clib_memcpy(&ip_addr_v6(slocator), mp->source_ip_address,
4626                sizeof(ip_addr_v6(slocator)));
4627         ip_addr_version(slocator) = IP6;
4628         clib_memcpy(&ip_addr_v6(dlocator), mp->destination_ip_address,
4629                sizeof(ip_addr_v6(dlocator)));
4630         ip_addr_version(dlocator) = IP6;
4631     } else {
4632         clib_memcpy(&ip_addr_v4(slocator), mp->source_ip_address,
4633                sizeof(ip_addr_v4(slocator)));
4634         ip_addr_version(slocator) = IP4;
4635         clib_memcpy(&ip_addr_v4(dlocator), mp->destination_ip_address,
4636                sizeof(ip_addr_v4(dlocator)));
4637         ip_addr_version(dlocator) = IP4;
4638     }
4639 }
4640
4641 static void
4642 vl_api_lisp_gpe_add_del_fwd_entry_t_handler(
4643     vl_api_lisp_gpe_add_del_fwd_entry_t *mp)
4644 {
4645     vl_api_lisp_gpe_add_del_fwd_entry_reply_t *rmp;
4646     int rv = 0;
4647     ip_address_t slocator, dlocator;
4648     ip_prefix_t * prefp = NULL;
4649     gid_address_t eid;
4650     vnet_lisp_gpe_add_del_fwd_entry_args_t a;
4651
4652     lisp_gpe_add_del_fwd_entry_set_address(mp, &slocator, &dlocator, &eid);
4653
4654     memset (&a, 0, sizeof(a));
4655
4656     a.is_add = mp->is_add;
4657     a.deid = eid;
4658     a.slocator = slocator;
4659     a.dlocator = dlocator;
4660     prefp = &gid_address_ippref(&a.deid);
4661     a.decap_next_index = (ip_prefix_version(prefp) == IP4) ?
4662     LISP_GPE_INPUT_NEXT_IP4_INPUT : LISP_GPE_INPUT_NEXT_IP6_INPUT;
4663     rv = vnet_lisp_gpe_add_del_fwd_entry (&a, 0);
4664
4665     REPLY_MACRO(VL_API_LISP_GPE_ADD_DEL_FWD_ENTRY_REPLY);
4666 }
4667
4668 static void
4669 vl_api_lisp_add_del_map_resolver_t_handler(
4670     vl_api_lisp_add_del_map_resolver_t *mp)
4671 {
4672     vl_api_lisp_add_del_map_resolver_reply_t *rmp;
4673     int rv = 0;
4674     ip_address_t *ip_addr = NULL;
4675     vnet_lisp_add_del_map_resolver_args_t _a, * a = &_a;
4676
4677     a->is_add = mp->is_add;
4678     ip_addr = &a->address;
4679
4680     if (mp->is_ipv6) {
4681         clib_memcpy(&ip_addr_v6(ip_addr), mp->ip_address,
4682                sizeof(ip_addr_v6(ip_addr)));
4683         ip_addr_version(ip_addr) = IP6;
4684     } else {
4685         clib_memcpy(&ip_addr_v4(ip_addr), mp->ip_address,
4686                sizeof(ip_addr_v4(ip_addr)));
4687         ip_addr_version(ip_addr) = IP4;
4688     }
4689
4690     rv = vnet_lisp_add_del_map_resolver (a);
4691
4692     REPLY_MACRO(VL_API_LISP_ADD_DEL_MAP_RESOLVER_REPLY);
4693 }
4694
4695 static void
4696 vl_api_lisp_gpe_enable_disable_t_handler(
4697     vl_api_lisp_gpe_enable_disable_t *mp)
4698 {
4699     vl_api_lisp_gpe_enable_disable_reply_t *rmp;
4700     int rv = 0;
4701     vnet_lisp_gpe_enable_disable_args_t _a, * a = &_a;
4702
4703     a->is_en = mp->is_en;
4704     vnet_lisp_gpe_enable_disable (a);
4705
4706     REPLY_MACRO(VL_API_LISP_GPE_ENABLE_DISABLE_REPLY);
4707 }
4708
4709 static void
4710 vl_api_lisp_gpe_add_del_iface_t_handler(
4711     vl_api_lisp_gpe_add_del_iface_t *mp)
4712 {
4713     vl_api_lisp_gpe_add_del_iface_reply_t *rmp;
4714     int rv = 0;
4715     vnet_lisp_gpe_add_del_iface_args_t _a, * a = &_a;
4716
4717     a->is_add = mp->is_add;
4718     a->table_id = mp->table_id;
4719     a->vni = mp->vni;
4720     vnet_lisp_gpe_add_del_iface (a, 0);
4721
4722     REPLY_MACRO(VL_API_LISP_GPE_ADD_DEL_IFACE_REPLY);
4723 }
4724
4725 static void
4726 send_lisp_locator_set_details (lisp_cp_main_t *lcm,
4727                                locator_set_t *lsit,
4728                                unix_shared_memory_queue_t *q)
4729 {
4730     vl_api_lisp_locator_set_details_t *rmp;
4731     locator_t *loc = NULL;
4732     u32 * locit = NULL;
4733
4734     vec_foreach (locit, lsit->locator_indices) {
4735         loc = pool_elt_at_index (lcm->locator_pool, locit[0]);
4736         rmp = vl_msg_api_alloc (sizeof (*rmp));
4737         memset (rmp, 0, sizeof (*rmp));
4738         rmp->_vl_msg_id = ntohs(VL_API_LISP_LOCATOR_SET_DETAILS);
4739         strncpy((char *) rmp->locator_set_name,
4740                 (char *) lsit->name, ARRAY_LEN(rmp->locator_set_name) - 1);
4741         rmp->sw_if_index = htonl(loc->sw_if_index);
4742         rmp->priority = loc->priority;
4743         rmp->weight = loc->weight;
4744
4745         vl_msg_api_send_shmem (q, (u8 *)&rmp);
4746     }
4747 }
4748
4749 static void
4750 vl_api_lisp_locator_set_dump_t_handler (vl_api_lisp_locator_set_dump_t *mp)
4751 {
4752     unix_shared_memory_queue_t * q = NULL;
4753     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
4754     locator_set_t * lsit = NULL;
4755
4756     q = vl_api_client_index_to_input_queue (mp->client_index);
4757     if (q == 0) {
4758         return;
4759     }
4760
4761     pool_foreach (lsit, lcm->locator_set_pool,
4762         ({
4763             send_lisp_locator_set_details(lcm, lsit, q);
4764         }));
4765 }
4766
4767 static void
4768 send_lisp_local_eid_table_details (mapping_t *mapit,
4769                                    unix_shared_memory_queue_t *q)
4770 {
4771     vl_api_lisp_local_eid_table_details_t *rmp = NULL;
4772     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
4773     locator_set_t *ls = NULL;
4774     gid_address_t *gid = NULL;
4775     ip_prefix_t *ip_prefix = NULL;
4776     u8 type = ~0;
4777
4778     ls = pool_elt_at_index (lcm->locator_set_pool,
4779                             mapit->locator_set_index);
4780
4781     gid = &mapit->eid;
4782     type = gid_address_type(gid);
4783
4784     if (type != IP_PREFIX) {
4785         return;
4786     }
4787
4788     ip_prefix = &gid_address_ippref(gid);
4789
4790     rmp = vl_msg_api_alloc (sizeof (*rmp));
4791     memset (rmp, 0, sizeof (*rmp));
4792     rmp->_vl_msg_id = ntohs(VL_API_LISP_LOCAL_EID_TABLE_DETAILS);
4793     strncpy((char *) rmp->locator_set_name,
4794             (char *) ls->name, ARRAY_LEN(rmp->locator_set_name) - 1);
4795
4796     switch (ip_prefix_version(ip_prefix)) {
4797         case IP4:
4798             rmp->eid_is_ipv6 = 0;
4799             clib_memcpy(rmp->eid_ip_address, &ip_prefix_v4(ip_prefix),
4800                    sizeof(ip_prefix_v4(ip_prefix)));
4801             break;
4802
4803         case IP6:
4804             rmp->eid_is_ipv6 = 1;
4805             clib_memcpy(rmp->eid_ip_address, &ip_prefix_v6(ip_prefix),
4806                    sizeof(ip_prefix_v6(ip_prefix)));
4807             break;
4808
4809         default:
4810             ASSERT(0);
4811     }
4812     rmp->eid_prefix_len = ip_prefix_len(ip_prefix);
4813
4814     vl_msg_api_send_shmem (q, (u8 *)&rmp);
4815 }
4816
4817 static void
4818 vl_api_lisp_local_eid_table_dump_t_handler (
4819     vl_api_lisp_local_eid_table_dump_t *mp)
4820 {
4821     unix_shared_memory_queue_t * q = NULL;
4822     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
4823     mapping_t * mapit = NULL;
4824
4825     q = vl_api_client_index_to_input_queue (mp->client_index);
4826     if (q == 0) {
4827         return;
4828     }
4829
4830     pool_foreach (mapit, lcm->mapping_pool,
4831         ({
4832             send_lisp_local_eid_table_details(mapit, q);
4833         }));
4834 }
4835
4836 static void
4837 send_lisp_gpe_tunnel_details (lisp_gpe_tunnel_t *tunnel,
4838                               unix_shared_memory_queue_t *q)
4839 {
4840     vl_api_lisp_gpe_tunnel_details_t *rmp;
4841     lisp_gpe_main_t * lgm = &lisp_gpe_main;
4842     ip4_address_t *ip4 = NULL;
4843
4844     rmp = vl_msg_api_alloc (sizeof (*rmp));
4845     memset (rmp, 0, sizeof (*rmp));
4846     rmp->_vl_msg_id = ntohs(VL_API_LISP_GPE_TUNNEL_DETAILS);
4847
4848     rmp->tunnels = tunnel - lgm->tunnels;
4849
4850     /*list_gpe_tunnel now support only IPv4*/
4851     rmp->is_ipv6 = 0;
4852     ip4 = &tunnel->src;
4853     clib_memcpy(rmp->source_ip, ip4, sizeof(*ip4));
4854     ip4 = &tunnel->dst;
4855     clib_memcpy(rmp->destination_ip, ip4, sizeof(*ip4));
4856
4857     rmp->encap_fib_id = htonl(tunnel->encap_fib_index);
4858     rmp->decap_fib_id = htonl(tunnel->decap_fib_index);
4859     rmp->dcap_next = htonl(tunnel->decap_next_index);
4860     rmp->lisp_ver = tunnel->ver_res;
4861     rmp->next_protocol = tunnel->next_protocol;
4862     rmp->flags = tunnel->flags;
4863     rmp->ver_res = tunnel->ver_res;
4864     rmp->res = tunnel->res;
4865     rmp->iid = htonl(tunnel->vni);
4866
4867     vl_msg_api_send_shmem (q, (u8 *)&rmp);
4868 }
4869
4870 static void
4871 vl_api_lisp_gpe_tunnel_dump_t_handler (
4872     vl_api_lisp_local_eid_table_dump_t *mp)
4873 {
4874     unix_shared_memory_queue_t * q = NULL;
4875     lisp_gpe_main_t * lgm = &lisp_gpe_main;
4876     lisp_gpe_tunnel_t * tunnel = NULL;
4877
4878     if (pool_elts(lgm->tunnels) == 0) {
4879         return;
4880     }
4881
4882     q = vl_api_client_index_to_input_queue (mp->client_index);
4883     if (q == 0) {
4884         return;
4885     }
4886
4887     pool_foreach(tunnel, lgm->tunnels,
4888                  ({
4889                      send_lisp_gpe_tunnel_details(tunnel, q);
4890                 }));
4891 }
4892
4893 static void
4894 send_lisp_map_resolver_details (ip_address_t *ip,
4895                                 unix_shared_memory_queue_t *q)
4896 {
4897     vl_api_lisp_map_resolver_details_t *rmp = NULL;
4898
4899     rmp = vl_msg_api_alloc (sizeof (*rmp));
4900     memset (rmp, 0, sizeof (*rmp));
4901     rmp->_vl_msg_id = ntohs(VL_API_LISP_MAP_RESOLVER_DETAILS);
4902
4903     switch (ip_addr_version(ip)) {
4904         case IP4:
4905             rmp->is_ipv6 = 0;
4906             clib_memcpy(rmp->ip_address, &ip_addr_v4(ip), sizeof(ip_addr_v4(ip)));
4907             break;
4908
4909         case IP6:
4910             rmp->is_ipv6 = 1;
4911             clib_memcpy(rmp->ip_address, &ip_addr_v6(ip), sizeof(ip_addr_v6(ip)));
4912             break;
4913
4914         default:
4915             ASSERT(0);
4916     }
4917
4918     vl_msg_api_send_shmem (q, (u8 *)&rmp);
4919 }
4920
4921 static void
4922 vl_api_lisp_map_resolver_dump_t_handler (
4923     vl_api_lisp_local_eid_table_dump_t *mp)
4924 {
4925     unix_shared_memory_queue_t * q = NULL;
4926     lisp_cp_main_t * lcm = vnet_lisp_cp_get_main();
4927     ip_address_t *ip = NULL;
4928
4929     q = vl_api_client_index_to_input_queue (mp->client_index);
4930     if (q == 0) {
4931         return;
4932     }
4933
4934     vec_foreach(ip, lcm->map_resolvers) {
4935         send_lisp_map_resolver_details(ip, q);
4936     }
4937
4938 }
4939
4940 static void
4941 vl_api_interface_name_renumber_t_handler (vl_api_interface_name_renumber_t *mp)
4942 {
4943     vl_api_interface_name_renumber_reply_t * rmp;
4944     int rv = 0;
4945
4946     VALIDATE_SW_IF_INDEX(mp);
4947
4948     rv = vnet_interface_name_renumber
4949         (ntohl(mp->sw_if_index), ntohl(mp->new_show_dev_instance));
4950
4951     BAD_SW_IF_INDEX_LABEL;
4952
4953     REPLY_MACRO(VL_API_INTERFACE_NAME_RENUMBER_REPLY);
4954 }
4955
4956 static int arp_change_data_callback (u32 pool_index, u8 * new_mac,
4957                                      u32 sw_if_index, u32 address)
4958 {
4959     vpe_api_main_t * am = &vpe_api_main;
4960     vlib_main_t * vm = am->vlib_main;
4961     vl_api_ip4_arp_event_t * event;
4962     static f64 arp_event_last_time;
4963     f64 now = vlib_time_now (vm);
4964
4965     if (pool_is_free_index (am->arp_events, pool_index))
4966         return 1;
4967
4968     event = pool_elt_at_index (am->arp_events, pool_index);
4969     if (memcmp (&event->new_mac, new_mac, sizeof (event->new_mac))) {
4970         clib_memcpy (event->new_mac, new_mac, sizeof(event->new_mac));
4971     } else { /* same mac */
4972         if ((sw_if_index == event->sw_if_index) &&
4973             ((address == 0) ||
4974              /* for BD case, also check IP address with 10 sec timeout */
4975              ((address == event->address) &&
4976               ((now - arp_event_last_time) < 10.0))))
4977             return 1;
4978     }
4979
4980     arp_event_last_time = now;
4981     event->sw_if_index = sw_if_index;
4982     if (address) event->address = address;
4983     return 0;
4984 }
4985
4986 static int arp_change_delete_callback (u32 pool_index, u8 * notused)
4987 {
4988     vpe_api_main_t * am = &vpe_api_main;
4989
4990     if (pool_is_free_index (am->arp_events, pool_index))
4991         return 1;
4992
4993     pool_put_index (am->arp_events, pool_index);
4994     return 0;
4995 }
4996
4997 static void
4998 vl_api_want_ip4_arp_events_t_handler
4999 (vl_api_want_ip4_arp_events_t * mp)
5000 {
5001     vpe_api_main_t * am = &vpe_api_main;
5002     vnet_main_t * vnm = vnet_get_main();
5003     vl_api_want_ip4_arp_events_reply_t *rmp;
5004     vl_api_ip4_arp_event_t * event;
5005     int rv;
5006
5007     if (mp->enable_disable) {
5008         pool_get (am->arp_events, event);
5009         memset (event, 0, sizeof (*event));
5010
5011         event->_vl_msg_id = ntohs(VL_API_IP4_ARP_EVENT);
5012         event->client_index = mp->client_index;
5013         event->context = mp->context;
5014         event->address = mp->address;
5015         event->pid = mp->pid;
5016
5017         rv = vnet_add_del_ip4_arp_change_event
5018             (vnm, arp_change_data_callback,
5019              mp->pid,
5020              &mp->address /* addr, in net byte order */,
5021              vpe_resolver_process_node.index,
5022              IP4_ARP_EVENT, event - am->arp_events, 1 /* is_add */);
5023     } else {
5024         rv = vnet_add_del_ip4_arp_change_event
5025             (vnm, arp_change_delete_callback,
5026              mp->pid,
5027              &mp->address /* addr, in net byte order */,
5028              vpe_resolver_process_node.index,
5029              IP4_ARP_EVENT, ~0 /* pool index */, 0 /* is_add */);
5030     }
5031     REPLY_MACRO(VL_API_WANT_IP4_ARP_EVENTS_REPLY);
5032 }
5033
5034 static void vl_api_input_acl_set_interface_t_handler
5035 (vl_api_input_acl_set_interface_t * mp)
5036 {
5037     vlib_main_t *vm = vlib_get_main();
5038     vl_api_input_acl_set_interface_reply_t * rmp;
5039     int rv;
5040     u32 sw_if_index, ip4_table_index, ip6_table_index, l2_table_index;
5041
5042     ip4_table_index = ntohl(mp->ip4_table_index);
5043     ip6_table_index = ntohl(mp->ip6_table_index);
5044     l2_table_index = ntohl(mp->l2_table_index);
5045     sw_if_index = ntohl(mp->sw_if_index);
5046
5047     VALIDATE_SW_IF_INDEX(mp);
5048
5049     rv = vnet_set_input_acl_intfc (vm, sw_if_index, ip4_table_index,
5050                                    ip6_table_index, l2_table_index,
5051                                    mp->is_add);
5052
5053     BAD_SW_IF_INDEX_LABEL;
5054
5055     REPLY_MACRO(VL_API_INPUT_ACL_SET_INTERFACE_REPLY);
5056 }
5057
5058 static void vl_api_ipsec_spd_add_del_t_handler
5059 (vl_api_ipsec_spd_add_del_t * mp)
5060 {
5061 #if IPSEC == 0
5062     clib_warning ("unimplemented");
5063 #else
5064
5065     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5066     vl_api_ipsec_spd_add_del_reply_t * rmp;
5067     int rv;
5068
5069 #if DPDK > 0
5070     rv = ipsec_add_del_spd (vm, ntohl(mp->spd_id), mp->is_add);
5071 #else
5072     rv = VNET_API_ERROR_UNIMPLEMENTED;
5073 #endif
5074
5075     REPLY_MACRO(VL_API_IPSEC_SPD_ADD_DEL_REPLY);
5076 #endif
5077 }
5078
5079 static void vl_api_ipsec_interface_add_del_spd_t_handler
5080 (vl_api_ipsec_interface_add_del_spd_t * mp)
5081 {
5082     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5083     vl_api_ipsec_interface_add_del_spd_reply_t * rmp;
5084     int rv;
5085     u32 sw_if_index __attribute__((unused));
5086     u32 spd_id __attribute__((unused));
5087
5088     sw_if_index = ntohl(mp->sw_if_index);
5089     spd_id = ntohl(mp->spd_id);
5090
5091     VALIDATE_SW_IF_INDEX(mp);
5092
5093 #if IPSEC > 0
5094     rv = ipsec_set_interface_spd(vm, sw_if_index, spd_id, mp->is_add);
5095 #else
5096     rv = VNET_API_ERROR_UNIMPLEMENTED;
5097 #endif
5098
5099     BAD_SW_IF_INDEX_LABEL;
5100
5101     REPLY_MACRO(VL_API_IPSEC_INTERFACE_ADD_DEL_SPD_REPLY);
5102 }
5103
5104 static void vl_api_ipsec_spd_add_del_entry_t_handler
5105 (vl_api_ipsec_spd_add_del_entry_t * mp)
5106 {
5107     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5108     vl_api_ipsec_spd_add_del_entry_reply_t * rmp;
5109     int rv;
5110
5111 #if IPSEC > 0
5112     ipsec_policy_t p;
5113
5114     memset(&p, 0, sizeof(p));
5115
5116     p.id = ntohl(mp->spd_id);
5117     p.priority = ntohl(mp->priority);
5118     p.is_outbound = mp->is_outbound;
5119     p.is_ipv6 = mp->is_ipv6;
5120
5121     clib_memcpy(&p.raddr.start, mp->remote_address_start, 16);
5122     clib_memcpy(&p.raddr.stop, mp->remote_address_stop, 16);
5123     clib_memcpy(&p.laddr.start, mp->local_address_start, 16);
5124     clib_memcpy(&p.laddr.stop, mp->local_address_stop, 16);
5125
5126     p.protocol = mp->protocol;
5127     p.rport.start = ntohs(mp->remote_port_start);
5128     p.rport.stop  = ntohs(mp->remote_port_stop);
5129     p.lport.start = ntohs(mp->local_port_start);
5130     p.lport.stop  = ntohs(mp->local_port_stop);
5131     /* policy action resolve unsupported */
5132     if (mp->policy == IPSEC_POLICY_ACTION_RESOLVE) {
5133         clib_warning("unsupported action: 'resolve'");
5134         rv = VNET_API_ERROR_UNIMPLEMENTED;
5135         goto out;
5136     }
5137     p.policy = mp->policy;
5138     p.sa_id = ntohl(mp->sa_id);
5139
5140     rv = ipsec_add_del_policy(vm, &p, mp->is_add);
5141     if (rv)
5142       goto out;
5143
5144     if (mp->is_ip_any) {
5145       p.is_ipv6 = 1;
5146       rv = ipsec_add_del_policy(vm, &p, mp->is_add);
5147     }
5148 #else
5149     rv = VNET_API_ERROR_UNIMPLEMENTED;
5150     goto out;
5151 #endif
5152
5153 out:
5154     REPLY_MACRO(VL_API_IPSEC_SPD_ADD_DEL_ENTRY_REPLY);
5155 }
5156
5157 static void vl_api_ipsec_sad_add_del_entry_t_handler
5158 (vl_api_ipsec_sad_add_del_entry_t * mp)
5159 {
5160     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5161     vl_api_ipsec_sad_add_del_entry_reply_t * rmp;
5162     int rv;
5163 #if IPSEC > 0
5164     ipsec_sa_t sa;
5165
5166     memset(&sa, 0, sizeof(sa));
5167
5168     sa.id = ntohl(mp->sad_id);
5169     sa.spi = ntohl(mp->spi);
5170     /* security protocol AH unsupported */
5171     if (mp->protocol == IPSEC_PROTOCOL_AH) {
5172         clib_warning("unsupported security protocol 'AH'");
5173         rv = VNET_API_ERROR_UNIMPLEMENTED;
5174         goto out;
5175     }
5176     sa.protocol = mp->protocol;
5177     /* check for unsupported crypto-alg */
5178     if (mp->crypto_algorithm < IPSEC_CRYPTO_ALG_AES_CBC_128 ||
5179         mp->crypto_algorithm > IPSEC_CRYPTO_ALG_AES_CBC_256) {
5180         clib_warning("unsupported crypto-alg: '%U'", format_ipsec_crypto_alg,
5181                      mp->crypto_algorithm);
5182         rv = VNET_API_ERROR_UNIMPLEMENTED;
5183         goto out;
5184     }
5185     sa.crypto_alg = mp->crypto_algorithm;
5186     sa.crypto_key_len = mp->crypto_key_length;
5187     clib_memcpy(&sa.crypto_key, mp->crypto_key, sizeof(sa.crypto_key));
5188     /* check for unsupported integ-alg */
5189     if (mp->integrity_algorithm < IPSEC_INTEG_ALG_SHA1_96 ||
5190         mp->integrity_algorithm > IPSEC_INTEG_ALG_SHA_512_256) {
5191         clib_warning("unsupported integ-alg: '%U'", format_ipsec_integ_alg,
5192                      mp->integrity_algorithm);
5193         rv = VNET_API_ERROR_UNIMPLEMENTED;
5194         goto out;
5195     }
5196     sa.integ_alg = mp->integrity_algorithm;
5197     sa.integ_key_len = mp->integrity_key_length;
5198     clib_memcpy(&sa.integ_key, mp->integrity_key, sizeof(sa.integ_key));
5199     sa.use_esn = mp->use_extended_sequence_number;
5200     sa.is_tunnel = mp->is_tunnel;
5201     sa.is_tunnel_ip6 = mp->is_tunnel_ipv6;
5202     clib_memcpy(&sa.tunnel_src_addr, mp->tunnel_src_address, 16);
5203     clib_memcpy(&sa.tunnel_dst_addr, mp->tunnel_dst_address, 16);
5204
5205     rv = ipsec_add_del_sa(vm, &sa, mp->is_add);
5206 #else
5207     rv = VNET_API_ERROR_UNIMPLEMENTED;
5208     goto out;
5209 #endif
5210
5211 out:
5212     REPLY_MACRO(VL_API_IPSEC_SAD_ADD_DEL_ENTRY_REPLY);
5213 }
5214
5215 static void
5216 vl_api_ikev2_profile_add_del_t_handler
5217 (vl_api_ikev2_profile_add_del_t * mp)
5218 {
5219     vl_api_ikev2_profile_add_del_reply_t * rmp;
5220     int rv = 0;
5221
5222 #if IPSEC > 0
5223     vlib_main_t * vm = vlib_get_main();
5224     clib_error_t * error;
5225     u8 * tmp = format(0, "%s", mp->name);
5226     error = ikev2_add_del_profile(vm, tmp, mp->is_add);
5227     vec_free (tmp);
5228     if (error)
5229       rv = VNET_API_ERROR_UNSPECIFIED;
5230 #else
5231     rv = VNET_API_ERROR_UNIMPLEMENTED;
5232 #endif
5233
5234    REPLY_MACRO(VL_API_IKEV2_PROFILE_ADD_DEL_REPLY);
5235 }
5236
5237 static void
5238 vl_api_ikev2_profile_set_auth_t_handler
5239 (vl_api_ikev2_profile_set_auth_t * mp)
5240 {
5241     vl_api_ikev2_profile_set_auth_reply_t * rmp;
5242     int rv = 0;
5243
5244 #if IPSEC > 0
5245     vlib_main_t * vm = vlib_get_main();
5246     clib_error_t * error;
5247     u8 * tmp = format(0, "%s", mp->name);
5248     u8 * data = vec_new (u8, mp->data_len);
5249     clib_memcpy(data, mp->data, mp->data_len);
5250     error = ikev2_set_profile_auth(vm, tmp, mp->auth_method, data, mp->is_hex);
5251     vec_free (tmp);
5252     vec_free (data);
5253     if (error)
5254       rv = VNET_API_ERROR_UNSPECIFIED;
5255 #else
5256     rv = VNET_API_ERROR_UNIMPLEMENTED;
5257 #endif
5258
5259    REPLY_MACRO(VL_API_IKEV2_PROFILE_SET_AUTH_REPLY);
5260 }
5261
5262 static void
5263 vl_api_ikev2_profile_set_id_t_handler
5264 (vl_api_ikev2_profile_set_id_t * mp)
5265 {
5266     vl_api_ikev2_profile_add_del_reply_t * rmp;
5267     int rv = 0;
5268
5269 #if IPSEC > 0
5270     vlib_main_t * vm = vlib_get_main();
5271     clib_error_t * error;
5272     u8 * tmp = format(0, "%s", mp->name);
5273     u8 * data = vec_new (u8, mp->data_len);
5274     clib_memcpy(data, mp->data, mp->data_len);
5275     error = ikev2_set_profile_id(vm, tmp, mp->id_type, data, mp->is_local);
5276     vec_free (tmp);
5277     vec_free (data);
5278     if (error)
5279       rv = VNET_API_ERROR_UNSPECIFIED;
5280 #else
5281     rv = VNET_API_ERROR_UNIMPLEMENTED;
5282 #endif
5283
5284    REPLY_MACRO(VL_API_IKEV2_PROFILE_SET_ID_REPLY);
5285 }
5286
5287 static void
5288 vl_api_ikev2_profile_set_ts_t_handler
5289 (vl_api_ikev2_profile_set_ts_t * mp)
5290 {
5291     vl_api_ikev2_profile_set_ts_reply_t * rmp;
5292     int rv = 0;
5293
5294 #if IPSEC > 0
5295     vlib_main_t * vm = vlib_get_main();
5296     clib_error_t * error;
5297     u8 * tmp = format(0, "%s", mp->name);
5298     error = ikev2_set_profile_ts(vm, tmp, mp->proto, mp->start_port,
5299                                  mp->end_port, (ip4_address_t) mp->start_addr,
5300                                  (ip4_address_t) mp->end_addr, mp->is_local);
5301     vec_free (tmp);
5302     if (error)
5303       rv = VNET_API_ERROR_UNSPECIFIED;
5304 #else
5305     rv = VNET_API_ERROR_UNIMPLEMENTED;
5306 #endif
5307
5308    REPLY_MACRO(VL_API_IKEV2_PROFILE_SET_TS_REPLY);
5309 }
5310
5311 static void
5312 vl_api_ikev2_set_local_key_t_handler
5313 (vl_api_ikev2_set_local_key_t * mp)
5314 {
5315     vl_api_ikev2_profile_set_ts_reply_t * rmp;
5316     int rv = 0;
5317
5318 #if IPSEC > 0
5319     vlib_main_t * vm = vlib_get_main();
5320     clib_error_t * error;
5321
5322     error = ikev2_set_local_key(vm, mp->key_file);
5323     if (error)
5324       rv = VNET_API_ERROR_UNSPECIFIED;
5325 #else
5326     rv = VNET_API_ERROR_UNIMPLEMENTED;
5327 #endif
5328
5329    REPLY_MACRO(VL_API_IKEV2_SET_LOCAL_KEY_REPLY);
5330 }
5331
5332 static void
5333 vl_api_map_add_domain_t_handler
5334 (vl_api_map_add_domain_t * mp)
5335 {
5336   vl_api_map_add_domain_reply_t * rmp;
5337   int rv = 0;
5338   u32 index;
5339   u8 flags = mp->is_translation ? MAP_DOMAIN_TRANSLATION : 0;
5340   rv = map_create_domain((ip4_address_t *)&mp->ip4_prefix, mp->ip4_prefix_len,
5341                          (ip6_address_t *)&mp->ip6_prefix, mp->ip6_prefix_len,
5342                          (ip6_address_t *)&mp->ip6_src, mp->ip6_src_prefix_len,
5343                          mp->ea_bits_len, mp->psid_offset, mp->psid_length, &index, ntohs(mp->mtu), flags);
5344
5345   REPLY_MACRO2(VL_API_MAP_ADD_DOMAIN_REPLY,
5346                ({
5347                  rmp->index = ntohl(index);
5348                }));
5349 }
5350
5351 static void
5352 vl_api_map_del_domain_t_handler
5353 (vl_api_map_del_domain_t * mp)
5354 {
5355   vl_api_map_del_domain_reply_t * rmp;
5356   int rv = 0;
5357
5358   rv = map_delete_domain(ntohl(mp->index));
5359
5360   REPLY_MACRO(VL_API_MAP_DEL_DOMAIN_REPLY);
5361 }
5362
5363 static void
5364 vl_api_map_add_del_rule_t_handler
5365 (vl_api_map_add_del_rule_t * mp)
5366 {
5367   vl_api_map_del_domain_reply_t * rmp;
5368   int rv = 0;
5369
5370   rv = map_add_del_psid(ntohl(mp->index), ntohs(mp->psid), (ip6_address_t *)mp->ip6_dst, mp->is_add);
5371
5372   REPLY_MACRO(VL_API_MAP_ADD_DEL_RULE_REPLY);
5373 }
5374
5375 static void
5376 vl_api_map_domain_dump_t_handler
5377 (vl_api_map_domain_dump_t * mp)
5378 {
5379   vl_api_map_domain_details_t * rmp;
5380   map_main_t *mm = &map_main;
5381   map_domain_t *d;
5382   unix_shared_memory_queue_t * q;
5383
5384   if (pool_elts (mm->domains) == 0)
5385       return;
5386
5387   q = vl_api_client_index_to_input_queue (mp->client_index);
5388   if (q == 0) {
5389     return;
5390   }
5391
5392   pool_foreach(d, mm->domains, ({
5393     /* Make sure every field is initiated (or don't skip the memset()) */
5394     rmp = vl_msg_api_alloc (sizeof (*rmp));
5395     rmp->_vl_msg_id = ntohs(VL_API_MAP_DOMAIN_DETAILS);
5396     rmp->domain_index = htonl(d - mm->domains);
5397     rmp->ea_bits_len = d->ea_bits_len;
5398     rmp->psid_offset = d->psid_offset;
5399     rmp->psid_length = d->psid_length;
5400     clib_memcpy(rmp->ip4_prefix, &d->ip4_prefix, sizeof(rmp->ip4_prefix));
5401     rmp->ip4_prefix_len = d->ip4_prefix_len;
5402     clib_memcpy(rmp->ip6_prefix, &d->ip6_prefix, sizeof(rmp->ip6_prefix));
5403     rmp->ip6_prefix_len = d->ip6_prefix_len;
5404     clib_memcpy(rmp->ip6_src, &d->ip6_src, sizeof(rmp->ip6_src));
5405     rmp->ip6_src_len = d->ip6_src_len;
5406     rmp->mtu = htons(d->mtu);
5407     rmp->is_translation = (d->flags & MAP_DOMAIN_TRANSLATION);
5408     rmp->context = mp->context;
5409
5410     vl_msg_api_send_shmem (q, (u8 *)&rmp);
5411   }));
5412 }
5413
5414 static void
5415 vl_api_map_rule_dump_t_handler
5416 (vl_api_map_rule_dump_t * mp)
5417 {
5418   unix_shared_memory_queue_t * q;
5419   u16 i;
5420   ip6_address_t dst;
5421   vl_api_map_rule_details_t * rmp;
5422   map_main_t *mm = &map_main;
5423   u32 domain_index = ntohl(mp->domain_index);
5424   map_domain_t *d;
5425
5426   if (pool_elts (mm->domains) == 0)
5427    return;
5428
5429   d = pool_elt_at_index(mm->domains, domain_index);
5430   if (!d || !d->rules) {
5431     return;
5432   }
5433
5434   q = vl_api_client_index_to_input_queue (mp->client_index);
5435   if (q == 0) {
5436     return;
5437   }
5438
5439   for (i = 0; i < (0x1 << d->psid_length); i++) {
5440     dst = d->rules[i];
5441     if (dst.as_u64[0] == 0 && dst.as_u64[1] == 0) {
5442       continue;
5443     }
5444     rmp = vl_msg_api_alloc(sizeof(*rmp));
5445     memset(rmp, 0, sizeof(*rmp));
5446     rmp->_vl_msg_id = ntohs(VL_API_MAP_RULE_DETAILS);
5447     rmp->psid = htons(i);
5448     clib_memcpy(rmp->ip6_dst, &dst, sizeof(rmp->ip6_dst));
5449     rmp->context = mp->context;
5450     vl_msg_api_send_shmem(q, (u8 *)&rmp);
5451   }
5452 }
5453
5454 static void
5455 vl_api_map_summary_stats_t_handler (
5456     vl_api_map_summary_stats_t *mp)
5457 {
5458     vl_api_map_summary_stats_reply_t *rmp;
5459     vlib_combined_counter_main_t *cm;
5460     vlib_counter_t v;
5461     int i, which;
5462     u64 total_pkts[VLIB_N_RX_TX];
5463     u64 total_bytes[VLIB_N_RX_TX];
5464     map_main_t *mm = &map_main;
5465     unix_shared_memory_queue_t *q =
5466         vl_api_client_index_to_input_queue(mp->client_index);
5467
5468     if (!q)
5469         return;
5470
5471     rmp = vl_msg_api_alloc (sizeof (*rmp));
5472     rmp->_vl_msg_id = ntohs(VL_API_MAP_SUMMARY_STATS_REPLY);
5473     rmp->context = mp->context;
5474     rmp->retval = 0;
5475
5476     memset (total_pkts, 0, sizeof (total_pkts));
5477     memset (total_bytes, 0, sizeof (total_bytes));
5478
5479     map_domain_counter_lock (mm);
5480     vec_foreach(cm, mm->domain_counters) {
5481       which = cm - mm->domain_counters;
5482
5483       for (i = 0; i < vec_len(cm->maxi); i++) {
5484         vlib_get_combined_counter (cm, i, &v);
5485         total_pkts[which] += v.packets;
5486         total_bytes[which] += v.bytes;
5487       }
5488     }
5489
5490     map_domain_counter_unlock (mm);
5491
5492     /* Note: in network byte order! */
5493     rmp->total_pkts[MAP_DOMAIN_COUNTER_RX] = clib_host_to_net_u64(total_pkts[MAP_DOMAIN_COUNTER_RX]);
5494     rmp->total_bytes[MAP_DOMAIN_COUNTER_RX] = clib_host_to_net_u64(total_bytes[MAP_DOMAIN_COUNTER_RX]);
5495     rmp->total_pkts[MAP_DOMAIN_COUNTER_TX] = clib_host_to_net_u64(total_pkts[MAP_DOMAIN_COUNTER_TX]);
5496     rmp->total_bytes[MAP_DOMAIN_COUNTER_TX] = clib_host_to_net_u64(total_bytes[MAP_DOMAIN_COUNTER_TX]);
5497     rmp->total_bindings = clib_host_to_net_u64(pool_elts(mm->domains));
5498     rmp->total_ip4_fragments = 0; // Not yet implemented. Should be a simple counter.
5499     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));
5500     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));
5501
5502     vl_msg_api_send_shmem(q, (u8 *)&rmp);
5503 }
5504
5505 static void vl_api_ipsec_sa_set_key_t_handler
5506 (vl_api_ipsec_sa_set_key_t * mp)
5507 {
5508     vlib_main_t *vm __attribute__((unused)) = vlib_get_main();
5509     vl_api_ipsec_sa_set_key_reply_t *rmp;
5510     int rv;
5511 #if IPSEC > 0
5512     ipsec_sa_t sa;
5513     sa.id = ntohl(mp->sa_id);
5514     sa.crypto_key_len = mp->crypto_key_length;
5515     clib_memcpy(&sa.crypto_key, mp->crypto_key, sizeof(sa.crypto_key));
5516     sa.integ_key_len = mp->integrity_key_length;
5517     clib_memcpy(&sa.integ_key, mp->integrity_key, sizeof(sa.integ_key));
5518
5519     rv = ipsec_set_sa_key(vm, &sa);
5520 #else
5521     rv = VNET_API_ERROR_UNIMPLEMENTED;
5522 #endif
5523
5524     REPLY_MACRO(VL_API_IPSEC_SA_SET_KEY_REPLY);
5525 }
5526
5527 static void vl_api_cop_interface_enable_disable_t_handler
5528 (vl_api_cop_interface_enable_disable_t * mp)
5529 {
5530     vl_api_cop_interface_enable_disable_reply_t * rmp;
5531     int rv;
5532     u32 sw_if_index = ntohl(mp->sw_if_index);
5533     int enable_disable;
5534
5535     VALIDATE_SW_IF_INDEX(mp);
5536
5537     enable_disable = (int) mp->enable_disable;
5538
5539     rv = cop_interface_enable_disable (sw_if_index, enable_disable);
5540
5541     BAD_SW_IF_INDEX_LABEL;
5542
5543     REPLY_MACRO(VL_API_COP_INTERFACE_ENABLE_DISABLE_REPLY);
5544 }
5545
5546 static void vl_api_cop_whitelist_enable_disable_t_handler
5547 (vl_api_cop_whitelist_enable_disable_t * mp)
5548 {
5549     vl_api_cop_whitelist_enable_disable_reply_t * rmp;
5550     cop_whitelist_enable_disable_args_t _a, *a=&_a;
5551     u32 sw_if_index = ntohl(mp->sw_if_index);
5552     int rv;
5553
5554     VALIDATE_SW_IF_INDEX(mp);
5555
5556     a->sw_if_index = sw_if_index;
5557     a->ip4 = mp->ip4;
5558     a->ip6 = mp->ip6;
5559     a->default_cop = mp->default_cop;
5560     a->fib_id = ntohl(mp->fib_id);
5561
5562     rv = cop_whitelist_enable_disable (a);
5563
5564     BAD_SW_IF_INDEX_LABEL;
5565
5566     REPLY_MACRO(VL_API_COP_WHITELIST_ENABLE_DISABLE_REPLY);
5567 }
5568
5569 static void vl_api_get_node_graph_t_handler
5570 (vl_api_get_node_graph_t * mp)
5571 {
5572     int rv = 0;
5573     u8 * vector = 0;
5574     api_main_t * am = &api_main;
5575     vlib_main_t * vm = vlib_get_main();
5576     void * oldheap;
5577     vl_api_get_node_graph_reply_t * rmp;
5578
5579     pthread_mutex_lock (&am->vlib_rp->mutex);
5580     oldheap = svm_push_data_heap (am->vlib_rp);
5581
5582     /*
5583      * Keep the number of memcpy ops to a minimum (e.g. 1).
5584      * The current size of the serialized vector is
5585      * slightly under 4K.
5586      */
5587     vec_validate (vector, 4095);
5588     vec_reset_length (vector);
5589
5590     vector = vlib_node_serialize (&vm->node_main, vector);
5591
5592     svm_pop_heap (oldheap);
5593     pthread_mutex_unlock (&am->vlib_rp->mutex);
5594
5595     REPLY_MACRO2(VL_API_GET_NODE_GRAPH_REPLY,
5596                  rmp->reply_in_shmem = (uword) vector);
5597 }
5598
5599 static void vl_api_trace_profile_add_t_handler
5600 (vl_api_trace_profile_add_t *mp)
5601 {
5602     int rv = 0;
5603     vl_api_trace_profile_add_reply_t * rmp;
5604     clib_error_t *error;
5605
5606     /* Ignoring the profile id as currently a single profile
5607      * is supported */
5608     error = ip6_ioam_trace_profile_set(mp->trace_num_elt, mp->trace_type,
5609                                ntohl(mp->node_id), ntohl(mp->trace_app_data),
5610                                mp->pow_enable, mp->trace_tsp,
5611                                mp->trace_ppc);
5612     if (error) {
5613       clib_error_report(error);
5614       rv = clib_error_get_code(error);
5615     }
5616
5617     REPLY_MACRO(VL_API_TRACE_PROFILE_ADD_REPLY);
5618 }
5619
5620 static void vl_api_trace_profile_apply_t_handler
5621 (vl_api_trace_profile_apply_t *mp)
5622 {
5623     int rv = 0;
5624     vl_api_trace_profile_apply_reply_t * rmp;
5625
5626     if (mp->enable != 0) {
5627       rv = ip6_ioam_set_destination ((ip6_address_t *)(&mp->dest_ipv6),
5628                                 ntohl(mp->prefix_length),
5629                                 ntohl(mp->vrf_id),
5630                         mp->trace_op == IOAM_HBYH_ADD,
5631                         mp->trace_op == IOAM_HBYH_POP,
5632                         mp->trace_op == IOAM_HBYH_MOD);
5633     } else {
5634       //ip6_ioam_clear_destination(&ip6, mp->prefix_length, mp->vrf_id);
5635     }
5636     REPLY_MACRO(VL_API_TRACE_PROFILE_APPLY_REPLY);
5637 }
5638
5639 static void vl_api_trace_profile_del_t_handler
5640 (vl_api_trace_profile_del_t *mp)
5641 {
5642     int rv = 0;
5643     vl_api_trace_profile_del_reply_t * rmp;
5644     clib_error_t *error;
5645
5646     error = clear_ioam_rewrite_fn();
5647     if (error) {
5648       clib_error_report(error);
5649       rv = clib_error_get_code(error);
5650     }
5651
5652     REPLY_MACRO(VL_API_TRACE_PROFILE_DEL_REPLY);
5653 }
5654
5655
5656 #define BOUNCE_HANDLER(nn)                                              \
5657 static void vl_api_##nn##_t_handler (                                   \
5658     vl_api_##nn##_t *mp)                                                \
5659 {                                                                       \
5660     vpe_client_registration_t *reg;                                     \
5661     vpe_api_main_t * vam = &vpe_api_main;                               \
5662     unix_shared_memory_queue_t * q;                                     \
5663                                                                         \
5664     /* One registration only... */                                      \
5665     pool_foreach(reg, vam->nn##_registrations,                          \
5666     ({                                                                  \
5667         q = vl_api_client_index_to_input_queue (reg->client_index);     \
5668         if (q) {                                                        \
5669             /*                                                          \
5670              * If the queue is stuffed, turf the msg and complain       \
5671              * It's unlikely that the intended recipient is             \
5672              * alive; avoid deadlock at all costs.                      \
5673              */                                                         \
5674             if (q->cursize == q->maxsize) {                             \
5675                 clib_warning ("ERROR: receiver queue full, drop msg");  \
5676                 vl_msg_api_free (mp);                                   \
5677                 return;                                                 \
5678             }                                                           \
5679             vl_msg_api_send_shmem (q, (u8 *)&mp);                       \
5680             return;                                                     \
5681         }                                                               \
5682     }));                                                                \
5683     vl_msg_api_free (mp);                                               \
5684 }
5685
5686 /*
5687  * vpe_api_hookup
5688  * Add vpe's API message handlers to the table.
5689  * vlib has alread mapped shared memory and
5690  * added the client registration handlers.
5691  * See .../open-repo/vlib/memclnt_vlib.c:memclnt_process()
5692  */
5693
5694 static clib_error_t *
5695 vpe_api_hookup (vlib_main_t *vm)
5696 {
5697     api_main_t * am = &api_main;
5698
5699 #define _(N,n)                                                  \
5700     vl_msg_api_set_handlers(VL_API_##N, #n,                     \
5701                            vl_api_##n##_t_handler,              \
5702                            vl_noop_handler,                     \
5703                            vl_api_##n##_t_endian,               \
5704                            vl_api_##n##_t_print,                \
5705                            sizeof(vl_api_##n##_t), 1);
5706     foreach_vpe_api_msg;
5707 #undef _
5708
5709     /*
5710      * Manually register the sr tunnel add del msg, so we trace
5711      * enough bytes to capture a typical segment list
5712      */
5713     vl_msg_api_set_handlers (VL_API_SR_TUNNEL_ADD_DEL,
5714                              "sr_tunnel_add_del",
5715                              vl_api_sr_tunnel_add_del_t_handler,
5716                              vl_noop_handler,
5717                              vl_api_sr_tunnel_add_del_t_endian,
5718                              vl_api_sr_tunnel_add_del_t_print,
5719                              256, 1);
5720
5721     /*
5722      * Trace space for 8 MPLS encap labels, classifier mask+match
5723      */
5724     am->api_trace_cfg [VL_API_MPLS_ADD_DEL_ENCAP].size += 8 * sizeof(u32);
5725     am->api_trace_cfg [VL_API_CLASSIFY_ADD_DEL_TABLE].size
5726         += 5 * sizeof (u32x4);
5727     am->api_trace_cfg [VL_API_CLASSIFY_ADD_DEL_SESSION].size
5728         += 5 * sizeof (u32x4);
5729     am->api_trace_cfg [VL_API_VXLAN_ADD_DEL_TUNNEL].size
5730         += 16 * sizeof (u32);
5731
5732     /*
5733      * trace space for 4 nsh-gre variable TLV words
5734      */
5735     am->api_trace_cfg [VL_API_NSH_GRE_ADD_DEL_TUNNEL].size
5736         += 4 * sizeof (u32);
5737
5738     /*
5739      * Thread-safe API messages
5740      */
5741     am->is_mp_safe [VL_API_IP_ADD_DEL_ROUTE] = 1;
5742
5743     return 0;
5744 }
5745
5746 VLIB_API_INIT_FUNCTION(vpe_api_hookup);
5747
5748 static clib_error_t *
5749 vpe_api_init (vlib_main_t *vm)
5750 {
5751     vpe_api_main_t *am = &vpe_api_main;
5752
5753     am->vlib_main = vm;
5754     am->vnet_main = vnet_get_main();
5755     am->interface_events_registration_hash = hash_create (0, sizeof (uword));
5756     am->to_netconf_server_registration_hash = hash_create (0, sizeof (uword));
5757     am->from_netconf_server_registration_hash = hash_create (0, sizeof (uword));
5758     am->to_netconf_client_registration_hash = hash_create (0, sizeof (uword));
5759     am->from_netconf_client_registration_hash = hash_create (0, sizeof (uword));
5760     am->oam_events_registration_hash = hash_create (0, sizeof (uword));
5761
5762     vl_api_init (vm);
5763     vl_set_memory_region_name ("/vpe-api");
5764     vl_enable_disable_memory_api (vm, 1 /* enable it */);
5765
5766     return 0;
5767 }
5768
5769 VLIB_INIT_FUNCTION(vpe_api_init);
5770
5771 static clib_error_t *
5772 chroot_config (vlib_main_t * vm, unformat_input_t * input)
5773 {
5774   u8 * chroot_path;
5775
5776   while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
5777     {
5778       if (unformat (input, "prefix %s", &chroot_path))
5779         {
5780           vec_add1 (chroot_path, 0);
5781           vl_set_memory_root_path ((char *)chroot_path);
5782         }
5783       else
5784         return clib_error_return (0, "unknown input `%U'",
5785                                   format_unformat_error, input);
5786     }
5787   return 0;
5788 }
5789 VLIB_EARLY_CONFIG_FUNCTION (chroot_config, "chroot");
5790
5791 void * get_unformat_vnet_sw_interface (void)
5792 {
5793     return (void *) &unformat_vnet_sw_interface;
5794 }
5795
5796 #undef vl_api_version
5797 #define vl_api_version(n,v) static u32 vpe_api_version = v;
5798 #include <api/vpe.api.h>
5799 #undef vl_api_version
5800
5801 int vl_msg_api_version_check (vl_api_memclnt_create_t * mp)
5802 {
5803     if (clib_host_to_net_u32(mp->api_versions[0]) != vpe_api_version) {
5804         clib_warning ("vpe API mismatch: 0x%08x instead of 0x%08x",
5805                       clib_host_to_net_u32 (mp->api_versions[0]),
5806                       vpe_api_version);
5807         return -1;
5808     }
5809     return 0;
5810 }
5811
5812 static u8 * format_arp_event (u8 * s, va_list * args)
5813 {
5814     vl_api_ip4_arp_event_t * event = va_arg (*args, vl_api_ip4_arp_event_t *);
5815
5816     s = format (s, "pid %d: %U", event->pid,
5817                 format_ip4_address, &event->address);
5818     return s;
5819 }
5820
5821 static clib_error_t *
5822 show_ip4_arp_events_fn (vlib_main_t * vm,
5823                         unformat_input_t * input,
5824                         vlib_cli_command_t * cmd)
5825 {
5826     vpe_api_main_t * am = &vpe_api_main;
5827     vl_api_ip4_arp_event_t * event;
5828
5829     if (pool_elts (am->arp_events) == 0) {
5830         vlib_cli_output (vm, "No active arp event registrations");
5831         return 0;
5832     }
5833
5834     pool_foreach (event, am->arp_events,
5835     ({
5836         vlib_cli_output (vm, "%U", format_arp_event, event);
5837     }));
5838
5839     return 0;
5840 }
5841
5842 VLIB_CLI_COMMAND (show_ip4_arp_events, static) = {
5843   .path = "show arp event registrations",
5844   .function = show_ip4_arp_events_fn,
5845   .short_help = "Show arp event registrations",
5846 };