src/plugins/hs_apps/sapi/vpp_echo_common.h

   1 /*
   2  * Copyright (c) 2019 Cisco and/or its affiliates.
   3  * Licensed under the Apache License, Version 2.0 (the "License");
   4  * you may not use this file except in compliance with the License.
   5  * You may obtain a copy of the License at:
   6  *
   7  *     http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software
  10  * distributed under the License is distributed on an "AS IS" BASIS,
  11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12  * See the License for the specific language governing permissions and
  13  * limitations under the License.
  14  */
  15
  16 #ifndef __included_vpp_echo_common_h__
  17 #define __included_vpp_echo_common_h__
  18
  19 #include <vnet/session/application_interface.h>
  20 #include <vpp/api/vpe_msg_enum.h>
  21
  22 #define vl_typedefs             /* define message structures */
  23 #include <vpp/api/vpe_all_api_h.h>
  24 #undef vl_typedefs
  25
  26 /* declare message handlers for each api */
  27
  28 #define vl_endianfun            /* define message structures */
  29 #include <vpp/api/vpe_all_api_h.h>
  30 #undef vl_endianfun
  31
  32 /* instantiate all the print functions we know about */
  33 #define vl_print(handle, ...)
  34 #define vl_printfun
  35 #include <vpp/api/vpe_all_api_h.h>
  36 #undef vl_printfun
  37
  38 #define TIMEOUT 10.0
  39 #define LOGGING_BATCH (100)
  40 #define LOG_EVERY_N_IDLE_CYCLES (1e8)
  41
  42 #define foreach_echo_fail_code                                          \
  43   _(ECHO_FAIL_NONE, "ECHO_FAIL_NONE")                                   \
  44   _(ECHO_FAIL_USAGE, "ECHO_FAIL_USAGE")                                 \
  45   _(ECHO_FAIL_SEND_IO_EVT, "ECHO_FAIL_SEND_IO_EVT")                     \
  46   _(ECHO_FAIL_SOCKET_CONNECT, "ECHO_FAIL_SOCKET_CONNECT")               \
  47   _(ECHO_FAIL_INIT_SHM_API, "ECHO_FAIL_INIT_SHM_API")                   \
  48   _(ECHO_FAIL_SHMEM_CONNECT, "ECHO_FAIL_SHMEM_CONNECT")                 \
  49   _(ECHO_FAIL_TEST_BYTES_ERR, "ECHO_FAIL_TEST_BYTES_ERR")               \
  50   _(ECHO_FAIL_BIND, "ECHO_FAIL_BIND")                                   \
  51   _(ECHO_FAIL_SESSION_ACCEPTED_BAD_LISTENER,                            \
  52     "ECHO_FAIL_SESSION_ACCEPTED_BAD_LISTENER")                          \
  53   _(ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC,                              \
  54     "ECHO_FAIL_ACCEPTED_WAIT_FOR_SEG_ALLOC")                            \
  55   _(ECHO_FAIL_SESSION_CONNECT, "ECHO_FAIL_SESSION_CONNECT")             \
  56   _(ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC,                             \
  57     "ECHO_FAIL_CONNECTED_WAIT_FOR_SEG_ALLOC")                           \
  58   _(ECHO_FAIL_APP_ATTACH, "ECHO_FAIL_APP_ATTACH")                       \
  59   _(ECHO_FAIL_SERVER_DISCONNECT_TIMEOUT,                                \
  60     "ECHO_FAIL_SERVER_DISCONNECT_TIMEOUT")                              \
  61   _(ECHO_FAIL_INVALID_URI, "ECHO_FAIL_INVALID_URI")                     \
  62   _(ECHO_FAIL_PROTOCOL_NOT_SUPPORTED,                                   \
  63     "ECHO_FAIL_PROTOCOL_NOT_SUPPORTED")                                 \
  64   _(ECHO_FAIL_CONNECT_TO_VPP, "ECHO_FAIL_CONNECT_TO_VPP")               \
  65   _(ECHO_FAIL_ATTACH_TO_VPP, "ECHO_FAIL_ATTACH_TO_VPP")                 \
  66   _(ECHO_FAIL_1ST_PTHREAD_CREATE, "ECHO_FAIL_1ST_PTHREAD_CREATE")       \
  67   _(ECHO_FAIL_PTHREAD_CREATE, "ECHO_FAIL_PTHREAD_CREATE")               \
  68   _(ECHO_FAIL_DETACH, "ECHO_FAIL_DETACH")                               \
  69   _(ECHO_FAIL_DEL_CERT_KEY, "ECHO_FAIL_DEL_CERT_KEY")                               \
  70   _(ECHO_FAIL_MQ_PTHREAD, "ECHO_FAIL_MQ_PTHREAD")                       \
  71   _(ECHO_FAIL_VL_API_APP_ATTACH, "ECHO_FAIL_VL_API_APP_ATTACH")         \
  72   _(ECHO_FAIL_VL_API_MISSING_SEGMENT_NAME,                              \
  73     "ECHO_FAIL_VL_API_MISSING_SEGMENT_NAME")                            \
  74   _(ECHO_FAIL_VL_API_NULL_APP_MQ, "ECHO_FAIL_VL_API_NULL_APP_MQ")       \
  75   _(ECHO_FAIL_VL_API_RECV_FD_MSG, "ECHO_FAIL_VL_API_RECV_FD_MSG")       \
  76   _(ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH,                               \
  77     "ECHO_FAIL_VL_API_SVM_FIFO_SEG_ATTACH")                             \
  78   _(ECHO_FAIL_VL_API_FIFO_SEG_ATTACH,                                   \
  79     "ECHO_FAIL_VL_API_FIFO_SEG_ATTACH")                                 \
  80   _(ECHO_FAIL_VL_API_DETACH_REPLY, "ECHO_FAIL_VL_API_DETACH_REPLY")     \
  81   _(ECHO_FAIL_VL_API_BIND_URI_REPLY, "ECHO_FAIL_VL_API_BIND_URI_REPLY") \
  82   _(ECHO_FAIL_VL_API_UNBIND_REPLY, "ECHO_FAIL_VL_API_UNBIND_REPLY")     \
  83   _(ECHO_FAIL_SESSION_DISCONNECT, "ECHO_FAIL_SESSION_DISCONNECT")       \
  84   _(ECHO_FAIL_SESSION_RESET, "ECHO_FAIL_SESSION_RESET")                 \
  85   _(ECHO_FAIL_VL_API_CERT_KEY_ADD_REPLY,                                \
  86     "ECHO_FAIL_VL_API_CERT_KEY_ADD_REPLY")                              \
  87   _(ECHO_FAIL_VL_API_CERT_KEY_DEL_REPLY,                                \
  88     "ECHO_FAIL_VL_API_CERT_KEY_DEL_REPLY")                              \
  89   _(ECHO_FAIL_GET_SESSION_FROM_HANDLE,                                  \
  90     "ECHO_FAIL_GET_SESSION_FROM_HANDLE")                                \
  91   _(ECHO_FAIL_QUIC_WRONG_CONNECT, "ECHO_FAIL_QUIC_WRONG_CONNECT")       \
  92   _(ECHO_FAIL_QUIC_WRONG_ACCEPT, "ECHO_FAIL_QUIC_WRONG_ACCEPT")         \
  93   _(ECHO_FAIL_TCP_BAPI_CONNECT, "ECHO_FAIL_TCP_BAPI_CONNECT")           \
  94   _(ECHO_FAIL_UDP_BAPI_CONNECT, "ECHO_FAIL_UDP_BAPI_CONNECT")           \
  95   _(ECHO_FAIL_MISSING_START_EVENT, "ECHO_FAIL_MISSING_START_EVENT")     \
  96   _(ECHO_FAIL_MISSING_END_EVENT, "ECHO_FAIL_MISSING_END_EVENT")         \
  97   _(ECHO_FAIL_TEST_ASSERT_RX_TOTAL, "ECHO_FAIL_TEST_ASSERT_RX_TOTAL")   \
  98   _(ECHO_FAIL_UNIDIRECTIONAL, "ECHO_FAIL_UNIDIRECTIONAL")               \
  99   _(ECHO_FAIL_TEST_ASSERT_TX_TOTAL, "ECHO_FAIL_TEST_ASSERT_TX_TOTAL")   \
 100   _(ECHO_FAIL_TEST_ASSERT_ALL_SESSIONS_CLOSED,                          \
 101     "ECHO_FAIL_TEST_ASSERT_ALL_SESSIONS_CLOSED")                        \
 102   _(ECHO_FAIL_RPC_SIZE, "ECHO_FAIL_RPC_SIZE")
 103
 104 typedef enum
 105 {
 106 #define _(sym, str) sym,
 107   foreach_echo_fail_code
 108 #undef _
 109 } echo_fail_t;
 110
 111 extern char *echo_fail_code_str[];
 112
 113 #define CHECK_SAME(fail, expected, result, _fmt, _args...)      \
 114 do {                                                            \
 115   if ((expected) != (result))                                   \
 116     ECHO_FAIL ((fail), "expected same (%lld, got %lld) : "_fmt, \
 117                (u64)(expected), (u64)(result), ##_args);        \
 118 } while (0)
 119
 120 #define CHECK_DIFF(fail, expected, result, _fmt, _args...)      \
 121 do {                                                            \
 122   if ((expected) == (result))                                   \
 123     ECHO_FAIL ((fail), "expected different (both %lld) : "_fmt, \
 124                (u64)(expected), ##_args);                       \
 125 } while (0)
 126
 127 #define ECHO_FAIL(fail, _fmt, _args...)                                 \
 128 do {                                                                    \
 129     echo_main_t *em = &echo_main;                                       \
 130     em->has_failed = (fail);                                            \
 131     if (vec_len(em->fail_descr))                                        \
 132       em->fail_descr = format(em->fail_descr, " | %s (%u): "_fmt,       \
 133                               echo_fail_code_str[fail], fail, ##_args); \
 134     else                                                                \
 135       em->fail_descr = format(0, "%s (%u): "_fmt,                       \
 136                               echo_fail_code_str[fail], fail, ##_args); \
 137     em->time_to_stop = 1;                                               \
 138     if (em->log_lvl > 0)                                                \
 139       clib_warning ("%v", em->fail_descr);                              \
 140 } while (0)
 141
 142 #define ECHO_LOG(lvl, _fmt,_args...)    \
 143   {                                     \
 144     echo_main_t *em = &echo_main;       \
 145     if (em->log_lvl > lvl)              \
 146          clib_warning (_fmt, ##_args);  \
 147   }
 148
 149 #define ECHO_REGISTER_PROTO(proto, vft)         \
 150   static void __clib_constructor                \
 151   vpp_echo_init_##proto ()                      \
 152   {                                             \
 153     echo_main_t *em = &echo_main;               \
 154     em->available_proto_cb_vft[proto] = &vft;   \
 155   }
 156
 157 typedef struct
 158 {
 159   CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
 160 #define _(type, name) type name;
 161   foreach_app_session_field
 162 #undef _
 163   u64 vpp_session_handle;
 164   u64 bytes_sent;
 165   u64 bytes_to_send;
 166   volatile u64 bytes_received;
 167   volatile u64 bytes_to_receive;
 168   f64 start;
 169   u32 listener_index;           /* listener index in echo session pool */
 170   u32 idle_cycles;              /* consecutive enq/deq with no data */
 171   volatile u64 accepted_session_count;  /* sessions we accepted (as a listener) */
 172 } echo_session_t;
 173
 174 typedef enum
 175 {
 176   ECHO_NO_DATA_SOURCE,
 177   ECHO_TEST_DATA_SOURCE,
 178   ECHO_RX_DATA_SOURCE,
 179   ECHO_INVALID_DATA_SOURCE
 180 } data_source_t;
 181
 182 enum echo_close_f_t
 183 {
 184   ECHO_CLOSE_F_INVALID = 0,
 185   ECHO_CLOSE_F_PASSIVE,         /* wait for close msg */
 186   ECHO_CLOSE_F_ACTIVE,          /* send close msg */
 187   ECHO_CLOSE_F_NONE,            /* don't bother sending close msg */
 188 };
 189
 190 enum quic_session_type_t
 191 {
 192   ECHO_SESSION_TYPE_QUIC,
 193   ECHO_SESSION_TYPE_STREAM,
 194   ECHO_SESSION_TYPE_LISTEN,
 195 };
 196
 197 enum quic_session_state_t
 198 {
 199   ECHO_SESSION_STATE_INITIAL,
 200   ECHO_SESSION_STATE_READY,
 201   ECHO_SESSION_STATE_AWAIT_CLOSING,     /* Data transfer is done, wait for close evt */
 202   ECHO_SESSION_STATE_AWAIT_DATA,        /* Peer closed, wait for outstanding data */
 203   ECHO_SESSION_STATE_CLOSING,   /* told vpp to close */
 204   ECHO_SESSION_STATE_CLOSED,    /* closed in vpp */
 205 };
 206
 207 typedef enum
 208 {
 209   STATE_START,
 210   STATE_ATTACHED_NO_CERT,
 211   STATE_ATTACHED,
 212   STATE_LISTEN,
 213   STATE_READY,
 214   STATE_DATA_DONE,
 215   STATE_DISCONNECTED,
 216   STATE_CLEANED_CERT_KEY,
 217   STATE_DETACHED
 218 } connection_state_t;
 219
 220 typedef enum echo_test_evt_
 221 {
 222   ECHO_EVT_START = 1,           /* app starts */
 223   ECHO_EVT_FIRST_QCONNECT = (1 << 1),   /* First connect Quic session sent */
 224   ECHO_EVT_LAST_QCONNECTED = (1 << 2),  /* All Quic session are connected */
 225   ECHO_EVT_FIRST_SCONNECT = (1 << 3),   /* First connect Stream session sent */
 226   ECHO_EVT_LAST_SCONNECTED = (1 << 4),  /* All Stream session are connected */
 227   ECHO_EVT_LAST_BYTE = (1 << 5),        /* Last byte received */
 228   ECHO_EVT_EXIT = (1 << 6),     /* app exits */
 229 } echo_test_evt_t;
 230
 231 typedef union session_connected_bundled_msg_
 232 {
 233   session_connected_msg_t *mp;
 234   vl_api_connect_uri_reply_t *bmp;
 235 } session_connected_bundled_msg_t;
 236
 237 typedef struct echo_proto_cb_vft_
 238 {
 239   void (*connected_cb) (session_connected_bundled_msg_t * mp, u32 session_index, u8 is_failed); /* Session is connected */
 240   void (*accepted_cb) (session_accepted_msg_t * mp, echo_session_t * session);  /* Session got accepted */
 241   void (*bound_uri_cb) (session_bound_msg_t * mp, echo_session_t * session);    /* Session got bound */
 242   void (*reset_cb) (session_reset_msg_t * mp, echo_session_t * s);      /* Received RESET on session */
 243   void (*disconnected_cb) (session_disconnected_msg_t * mp, echo_session_t * s);        /* Received DISCONNECT on session */
 244   void (*sent_disconnect_cb) (echo_session_t * s);      /* ACK disconnect we sent to vpp */
 245   void (*cleanup_cb) (echo_session_t * s, u8 parent_died);      /* Session should be cleaned up (parent listener may be dead) */
 246   /* Add CLI options */
 247   int (*process_opts_cb) (unformat_input_t * a);
 248   void (*set_defaults_before_opts_cb) (void);
 249   void (*set_defaults_after_opts_cb) (void);
 250   void (*print_usage_cb) (void);
 251 } echo_proto_cb_vft_t;
 252
 253 typedef enum
 254 {
 255   RETURN_PACKETS_NOTEST,
 256   RETURN_PACKETS_LOG_WRONG,
 257   RETURN_PACKETS_ASSERT,
 258 } test_return_packets_t;
 259
 260 typedef struct teardown_stat_
 261 {
 262   u32 q;                        /* quic sessions */
 263   u32 s;                        /* stream sessions */
 264 } teardown_stat_t;
 265
 266 typedef struct echo_stats_
 267 {
 268   u64 tx_total;
 269   u64 rx_total;
 270   u64 tx_expected;
 271   u64 rx_expected;
 272   teardown_stat_t reset_count;  /* received reset from vpp */
 273   teardown_stat_t close_count;  /* received close from vpp */
 274   teardown_stat_t active_count; /* sent close to vpp */
 275   teardown_stat_t clean_count;  /* cleaned up stale session */
 276   teardown_stat_t connected_count;      /* connected sessions count */
 277   teardown_stat_t accepted_count;       /* connected sessions count */
 278 } echo_stats_t;
 279
 280 typedef struct
 281 {
 282   svm_queue_t *vl_input_queue;  /* vpe input queue */
 283   u32 my_client_index;          /* API client handle */
 284   u8 *uri;                      /* The URI we're playing with */
 285   u32 n_uris;                   /* Cycle through adjacent ips */
 286   ip46_address_t lcl_ip;        /* Local ip for client */
 287   u8 lcl_ip_set;
 288   echo_session_t *sessions;     /* Session pool */
 289   svm_msg_q_t *app_mq;          /* Our receiveing event queue */
 290   svm_msg_q_t *ctrl_mq;         /* Our control queue (towards vpp) */
 291   clib_time_t clib_time;        /* For deadman timers */
 292   u8 *socket_name;
 293   int i_am_master;
 294   u32 *listen_session_indexes;  /* vec of vpp listener sessions */
 295   volatile u32 listen_session_cnt;
 296
 297   uword *session_index_by_vpp_handles;  /* Hash table : quic_echo s_id -> vpp s_handle */
 298   clib_spinlock_t sid_vpp_handles_lock; /* Hash table lock */
 299
 300   uword *shared_segment_handles;        /* Hash table : segment_names -> 1 */
 301   clib_spinlock_t segment_handles_lock; /* Hash table lock */
 302   echo_proto_cb_vft_t *proto_cb_vft;
 303   svm_msg_q_t *rpc_msq_queue;   /* MQ between quic_echo threads */
 304   fifo_segment_main_t segment_main;
 305
 306   /* State of the connection, shared between msg RX thread and main thread */
 307   volatile connection_state_t state;
 308   volatile u8 time_to_stop;     /* Signal variables */
 309   u8 rx_results_diff;           /* Rx results will be different than cfg */
 310   u8 tx_results_diff;           /* Tx results will be different than cfg */
 311   u8 has_failed;                /* stores the exit code */
 312   u8 *fail_descr;               /* vector containing fail description */
 313
 314   /** Flag that decides if socket, instead of svm, api is used to connect to
 315    * vpp. If sock api is used, shm binary api is subsequently bootstrapped
 316    * and all other messages are exchanged using shm IPC. */
 317   u8 use_sock_api;
 318
 319   u8 *connect_test_data;
 320   u8 test_return_packets;
 321   u64 bytes_to_send;            /* target per stream */
 322   u64 bytes_to_receive;         /* target per stream */
 323   u32 fifo_size;
 324   u32 prealloc_fifo_pairs;
 325   u64 rx_buf_size;
 326   u64 tx_buf_size;
 327   data_source_t data_source;    /* Use no/dummy/mirrored data */
 328   u8 send_stream_disconnects;   /* actively send disconnect */
 329   u8 output_json;               /* Output stats as JSON */
 330   volatile u8 wait_for_gdb;     /* Wait for gdb to attach */
 331   u8 log_lvl;                   /* Verbosity of the logging */
 332   int max_test_msg;             /* Limit the number of incorrect data messages */
 333   u32 evt_q_size;               /* Size of the vpp MQ (app<->vpp events) */
 334   u32 ckpair_index;             /* Cert key pair used */
 335   u8 crypto_engine;             /* crypto engine used */
 336   u8 connect_flag;              /* flags to pass to mq connect */
 337   u32 periodic_stats_delta;     /* seconds between periodic stats */
 338
 339   u8 *appns_id;
 340   u64 appns_flags;
 341   u64 appns_secret;
 342
 343   pthread_t *data_thread_handles;       /* vec of data thread handles */
 344   pthread_t mq_thread_handle;   /* Message queue thread handle */
 345   u32 *volatile data_thread_args;
 346
 347   u32 n_connects;               /* Target number of connects to send */
 348   u32 n_sessions;               /* Number of sessions to prealloc */
 349   u32 n_clients;                /* Target number of clients doing RX/TX */
 350   u32 n_rx_threads;             /* Number of data threads */
 351
 352   volatile u32 n_clients_connected;     /* Number of STREAM sessions connected */
 353   volatile u32 nxt_available_sidx;      /* next unused prealloced session_index */
 354
 355   volatile int max_sim_connects;
 356
 357   /* VNET_API_ERROR_FOO -> "Foo" hash table */
 358   uword *error_string_by_error_number;
 359   echo_proto_cb_vft_t *available_proto_cb_vft[TRANSPORT_N_PROTO];
 360
 361   echo_stats_t stats;
 362   echo_stats_t last_stat_sampling;      /* copy of stats at last sampling */
 363   f64 last_stat_sampling_ts;
 364
 365   struct                        /* Event based timing : start & end depend on CLI specified events */
 366   {
 367     f64 start_time;
 368     f64 end_time;
 369     u8 events_sent;
 370     u8 start_event;
 371     u8 end_event;
 372   } timing;
 373
 374   struct
 375   {
 376     u32 transport_proto;
 377     ip46_address_t ip;
 378     u32 port;
 379     u8 is_ip4;
 380   } uri_elts;
 381 } echo_main_t;
 382
 383 extern echo_main_t echo_main;
 384
 385
 386 typedef struct echo_connect_args_
 387 {
 388   u32 context;
 389   u64 parent_session_handle;
 390   ip46_address_t ip;
 391   ip46_address_t lcl_ip;
 392 } echo_connect_args_t;
 393
 394 typedef struct echo_disconnect_args_
 395 {
 396   u64 session_handle;
 397 } echo_disconnect_args_t;
 398
 399 typedef union
 400 {
 401   echo_connect_args_t connect;
 402   echo_disconnect_args_t disconnect;
 403 } echo_rpc_args_t;
 404
 405 typedef void (*echo_rpc_t) (echo_main_t * em, echo_rpc_args_t * arg);
 406
 407 typedef struct
 408 {
 409   void *fp;
 410   echo_rpc_args_t args;
 411 } echo_rpc_msg_t;
 412
 413
 414 u8 *format_ip4_address (u8 * s, va_list * args);
 415 u8 *format_ip6_address (u8 * s, va_list * args);
 416 u8 *format_ip46_address (u8 * s, va_list * args);
 417 u8 *format_api_error (u8 * s, va_list * args);
 418 void init_error_string_table ();
 419 u8 *echo_format_session (u8 * s, va_list * args);
 420 u8 *echo_format_session_type (u8 * s, va_list * args);
 421 u8 *echo_format_session_state (u8 * s, va_list * args);
 422 u8 *echo_format_app_state (u8 * s, va_list * args);
 423 uword echo_unformat_close (unformat_input_t * input, va_list * args);
 424 uword echo_unformat_timing_event (unformat_input_t * input, va_list * args);
 425 u8 *echo_format_timing_event (u8 * s, va_list * args);
 426 uword unformat_transport_proto (unformat_input_t * input, va_list * args);
 427 u8 *format_transport_proto (u8 * s, va_list * args);
 428 uword unformat_ip4_address (unformat_input_t * input, va_list * args);
 429 uword unformat_ip6_address (unformat_input_t * input, va_list * args);
 430
 431 void echo_session_handle_add_del (echo_main_t * em, u64 handle, u32 sid);
 432 echo_session_t *echo_session_new (echo_main_t * em);
 433 int echo_send_rpc (echo_main_t * em, void *fp, echo_rpc_args_t * args);
 434 echo_session_t *echo_get_session_from_handle (echo_main_t * em, u64 handle);
 435 int wait_for_state_change (echo_main_t * em, connection_state_t state,
 436                            f64 timeout);
 437 void echo_notify_event (echo_main_t * em, echo_test_evt_t e);
 438 void echo_session_print_stats (echo_main_t * em, echo_session_t * session);
 439 u8 *echo_format_crypto_engine (u8 * s, va_list * args);
 440 uword echo_unformat_crypto_engine (unformat_input_t * input, va_list * args);
 441 u8 *echo_format_bytes_per_sec (u8 * s, va_list * args);
 442 int echo_ssvm_segment_attach (char *name, ssvm_segment_type_t type, int fd);
 443 void echo_segment_handle_add_del (echo_main_t * em, u64 segment_handle,
 444                                   u8 add);
 445
 446 /* Binary API */
 447
 448 void echo_send_attach (echo_main_t * em);
 449 void echo_send_detach (echo_main_t * em);
 450 void echo_send_listen (echo_main_t * em, ip46_address_t * ip);
 451 void echo_send_unbind (echo_main_t * em, echo_session_t * s);
 452 void echo_send_connect (echo_main_t * em, void *args);
 453 void echo_send_disconnect_session (echo_main_t * em, void *args);
 454 void echo_api_hookup (echo_main_t * em);
 455 void echo_send_add_cert_key (echo_main_t * em);
 456 void echo_send_del_cert_key (echo_main_t * em);
 457
 458 #endif /* __included_vpp_echo_common_h__ */
 459
 460 /*
 461  * fd.io coding-style-patch-verification: ON
 462  *
 463  * Local Variables:
 464  * eval: (c-set-style "gnu")
 465  * End:
 466  */