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