FD.io VPP  v19.08-27-gf4dcae4
Vector Packet Processing
application_interface.h
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1 /*
2  * Copyright (c) 2016-2019 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 #ifndef __included_uri_h__
16 #define __included_uri_h__
17 
18 #include <vlibmemory/api.h>
19 #include <svm/message_queue.h>
21 #include <vnet/tls/tls_test.h>
22 #include <svm/fifo_segment.h>
23 
24 typedef struct _stream_session_cb_vft
25 {
26  /** Notify server of new segment */
27  int (*add_segment_callback) (u32 api_client_index, u64 segment_handle);
28 
29  /** Notify server of new segment */
30  int (*del_segment_callback) (u32 api_client_index, u64 segment_handle);
31 
32  /** Notify server of newly accepted session */
33  int (*session_accept_callback) (session_t * new_session);
34 
35  /** Connection request callback */
36  int (*session_connected_callback) (u32 app_wrk_index, u32 opaque,
37  session_t * s, u8 code);
38 
39  /** Notify app that session is closing */
40  void (*session_disconnect_callback) (session_t * s);
41 
42  /** Notify app that transport is closed */
43  void (*session_transport_closed_callback) (session_t * s);
44 
45  /** Notify app that session or transport are about to be removed */
46  void (*session_cleanup_callback) (session_t * s, session_cleanup_ntf_t ntf);
47 
48  /** Notify app that session was reset */
49  void (*session_reset_callback) (session_t * s);
50 
51  /** Notify app that session pool migration happened */
52  void (*session_migrate_callback) (session_t * s, session_handle_t new_sh);
53 
54  /** Direct RX callback for built-in application */
55  int (*builtin_app_rx_callback) (session_t * session);
56 
57  /** Direct TX callback for built-in application */
58  int (*builtin_app_tx_callback) (session_t * session);
59 
61 
62 #define foreach_app_init_args \
63  _(u32, api_client_index) \
64  _(u8 *, name) \
65  _(u64 *, options) \
66  _(u8 *, namespace_id) \
67  _(session_cb_vft_t *, session_cb_vft) \
68  _(u32, app_index) \
69 
70 typedef struct _vnet_app_attach_args_t
71 {
72 #define _(_type, _name) _type _name;
74 #undef _
75  ssvm_private_t * segment;
76  svm_msg_q_t *app_evt_q;
77  u64 segment_handle;
79 
80 typedef struct _vnet_app_detach_args_t
81 {
82  u32 app_index;
83  u32 api_client_index;
85 
86 typedef struct _vnet_bind_args_t
87 {
88  union
89  {
90  session_endpoint_cfg_t sep_ext;
92  char *uri;
93  };
94 
95  u32 app_index;
96  u32 wrk_map_index;
97 
98  /*
99  * Results
100  */
101  char *segment_name;
102  u32 segment_name_length;
103  u64 server_event_queue_address;
104  u64 handle;
106 
107 typedef struct _vnet_unlisten_args_t
108 {
109  union
110  {
111  char *uri;
112  u64 handle; /**< Session handle */
113  };
114  u32 app_index; /**< Owning application index */
115  u32 wrk_map_index; /**< App's local pool worker index */
117 
118 typedef struct _vnet_connect_args
119 {
120  union
121  {
122  session_endpoint_cfg_t sep_ext;
123  session_endpoint_t sep;
124  char *uri;
125  };
126  u32 app_index;
127  u32 wrk_map_index;
128  u32 api_context;
129 
132 
133 typedef struct _vnet_disconnect_args_t
134 {
135  session_handle_t handle;
136  u32 app_index;
138 
139 typedef struct _vnet_application_add_tls_cert_args_t
140 {
141  u32 app_index;
142  u8 *cert;
144 
145 typedef struct _vnet_application_add_tls_key_args_t
146 {
147  u32 app_index;
148  u8 *key;
150 
151 typedef enum tls_engine_type_
152 {
158 
159 /* Application attach options */
160 typedef enum
161 {
177 
178 #define foreach_app_options_flags \
179  _(ACCEPT_REDIRECT, "Use FIFO with redirects") \
180  _(ADD_SEGMENT, "Add segment and signal app if needed") \
181  _(IS_BUILTIN, "Application is builtin") \
182  _(IS_TRANSPORT_APP, "Application is a transport proto") \
183  _(IS_PROXY, "Application is proxying") \
184  _(USE_GLOBAL_SCOPE, "App can use global session scope") \
185  _(USE_LOCAL_SCOPE, "App can use local session scope") \
186  _(EVT_MQ_USE_EVENTFD, "Use eventfds for signaling") \
187 
188 typedef enum _app_options
189 {
190 #define _(sym, str) APP_OPTIONS_##sym,
192 #undef _
193 } app_options_t;
194 
195 typedef enum _app_options_flags
196 {
197 #define _(sym, str) APP_OPTIONS_FLAGS_##sym = 1 << APP_OPTIONS_##sym,
199 #undef _
201 
202 #define foreach_fd_type \
203  _(VPP_MQ_SEGMENT, "Fd for vpp's event mq segment") \
204  _(MEMFD_SEGMENT, "Fd for memfd segment") \
205  _(MQ_EVENTFD, "Event fd used by message queue") \
206  _(VPP_MQ_EVENTFD, "Event fd used by vpp's message queue") \
207 
208 typedef enum session_fd_type_
209 {
210 #define _(sym, str) SESSION_FD_##sym,
212 #undef _
215 
216 typedef enum session_fd_flag_
217 {
218 #define _(sym, str) SESSION_FD_F_##sym = 1 << SESSION_FD_##sym,
220 #undef _
222 
223 int parse_uri (char *uri, session_endpoint_cfg_t * sep);
227 
234 
237 
239 {
240  ip46_address_t rmt_ip; /**< remote ip */
241  ip46_address_t lcl_ip; /**< local ip */
242  u16 rmt_port; /**< remote port (network order) */
243  u16 lcl_port; /**< local port (network order) */
244  u8 is_ip4; /**< set if uses ip4 networking */
246 
247 #define foreach_app_session_field \
248  _(svm_fifo_t, *rx_fifo) /**< rx fifo */ \
249  _(svm_fifo_t, *tx_fifo) /**< tx fifo */ \
250  _(session_type_t, session_type) /**< session type */ \
251  _(volatile u8, session_state) /**< session state */ \
252  _(u32, session_index) /**< index in owning pool */ \
253  _(app_session_transport_t, transport) /**< transport info */ \
254  _(svm_msg_q_t, *vpp_evt_q) /**< vpp event queue */ \
255  _(u8, is_dgram) /**< flag for dgram mode */ \
256 
257 typedef struct
258 {
259 #define _(type, name) type name;
261 #undef _
262 } app_session_t;
263 
264 typedef struct session_bound_msg_
265 {
266  u32 context;
267  u64 handle;
268  i32 retval;
269  u8 lcl_is_ip4;
270  u8 lcl_ip[16];
271  u16 lcl_port;
272  uword rx_fifo;
273  uword tx_fifo;
274  uword vpp_evt_q;
275  u32 segment_size;
276  u8 segment_name_length;
277  u8 segment_name[128];
278 } __clib_packed session_bound_msg_t;
279 
280 typedef struct session_unlisten_reply_msg_
281 {
282  u32 context;
283  u64 handle;
284  i32 retval;
286 
287 typedef struct session_accepted_msg_
288 {
289  u32 context;
290  u64 listener_handle;
291  u64 handle;
292  uword server_rx_fifo;
293  uword server_tx_fifo;
294  u64 segment_handle;
295  uword vpp_event_queue_address;
297 } __clib_packed session_accepted_msg_t;
298 
299 typedef struct session_accepted_reply_msg_
300 {
301  u32 context;
302  i32 retval;
303  u64 handle;
305 
306 /* Make sure this is not too large, otherwise it won't fit when dequeued in
307  * the session queue node */
308 STATIC_ASSERT (sizeof (session_accepted_reply_msg_t) <= 16, "accept reply");
309 
310 typedef struct session_connected_msg_
311 {
312  u32 context;
313  i32 retval;
314  u64 handle;
315  uword server_rx_fifo;
316  uword server_tx_fifo;
317  u64 segment_handle;
318  uword ct_rx_fifo;
319  uword ct_tx_fifo;
320  u64 ct_segment_handle;
321  uword vpp_event_queue_address;
322  u32 segment_size;
323  u8 segment_name_length;
324  u8 segment_name[64];
326 } __clib_packed session_connected_msg_t;
327 
328 typedef struct session_disconnected_msg_
329 {
330  u32 client_index;
332  u64 handle;
334 
335 typedef struct session_disconnected_reply_msg_
336 {
337  u32 context;
338  i32 retval;
339  u64 handle;
341 
342 typedef struct session_reset_msg_
343 {
344  u32 client_index;
346  u64 handle;
347 } __clib_packed session_reset_msg_t;
348 
349 typedef struct session_reset_reply_msg_
350 {
351  u32 context;
352  i32 retval;
353  u64 handle;
355 
356 typedef struct session_req_worker_update_msg_
357 {
360 
361 /* NOTE: using u16 for wrk indices because message needs to fit in 18B */
362 typedef struct session_worker_update_msg_
363 {
364  u32 client_index;
365  u16 wrk_index;
366  u16 req_wrk_index;
367  u64 handle;
369 
371 {
372  u64 handle;
373  uword rx_fifo;
374  uword tx_fifo;
375  u64 segment_handle;
377 
378 typedef struct app_session_event_
379 {
380  svm_msg_q_msg_t msg;
381  session_event_t *evt;
382 } __clib_packed app_session_evt_t;
383 
384 static inline void
385 app_alloc_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt,
386  u8 evt_type)
387 {
390  SVM_Q_WAIT, &app_evt->msg);
391  app_evt->evt = svm_msg_q_msg_data (mq, &app_evt->msg);
392  clib_memset (app_evt->evt, 0, sizeof (*app_evt->evt));
393  app_evt->evt->event_type = evt_type;
394 }
395 
396 static inline void
397 app_send_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt)
398 {
399  svm_msg_q_add_and_unlock (mq, &app_evt->msg);
400 }
401 
402 /**
403  * Send fifo io event to vpp worker thread
404  *
405  * Because there may be multiple writers to one of vpp's queues, this
406  * protects message allocation and enqueueing.
407  *
408  * @param mq vpp message queue
409  * @param f fifo for which the event is sent
410  * @param evt_type type of event
411  * @param noblock flag to indicate is request is blocking or not
412  * @return 0 if success, negative integer otherwise
413  */
414 static inline int
415 app_send_io_evt_to_vpp (svm_msg_q_t * mq, u32 session_index, u8 evt_type,
416  u8 noblock)
417 {
418  session_event_t *evt;
419  svm_msg_q_msg_t msg;
420 
421  if (noblock)
422  {
423  if (svm_msg_q_try_lock (mq))
424  return -1;
426  {
427  svm_msg_q_unlock (mq);
428  return -2;
429  }
432  {
433  svm_msg_q_unlock (mq);
434  return -2;
435  }
436  evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
437  evt->session_index = session_index;
438  evt->event_type = evt_type;
439  svm_msg_q_add_and_unlock (mq, &msg);
440  return 0;
441  }
442  else
443  {
444  svm_msg_q_lock (mq);
446  svm_msg_q_wait (mq);
448  evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
449  evt->session_index = session_index;
450  evt->event_type = evt_type;
451  if (svm_msg_q_is_full (mq))
452  svm_msg_q_wait (mq);
453  svm_msg_q_add_and_unlock (mq, &msg);
454  return 0;
455  }
456 }
457 
458 always_inline int
460  svm_msg_q_t * vpp_evt_q, u8 * data, u32 len, u8 evt_type,
461  u8 do_evt, u8 noblock)
462 {
463  u32 max_enqueue, actual_write;
465  int rv;
466 
467  max_enqueue = svm_fifo_max_enqueue_prod (f);
468  if (max_enqueue <= sizeof (session_dgram_hdr_t))
469  return 0;
470 
471  max_enqueue -= sizeof (session_dgram_hdr_t);
472  actual_write = clib_min (len, max_enqueue);
473  hdr.data_length = actual_write;
474  hdr.data_offset = 0;
475  clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip, sizeof (ip46_address_t));
476  hdr.is_ip4 = at->is_ip4;
477  hdr.rmt_port = at->rmt_port;
478  clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip, sizeof (ip46_address_t));
479  hdr.lcl_port = at->lcl_port;
480  rv = svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
481  ASSERT (rv == sizeof (hdr));
482 
483  rv = svm_fifo_enqueue (f, actual_write, data);
484  if (do_evt)
485  {
486  if (rv > 0 && svm_fifo_set_event (f))
487  app_send_io_evt_to_vpp (vpp_evt_q, f->master_session_index, evt_type,
488  noblock);
489  }
490  ASSERT (rv);
491  return rv;
492 }
493 
494 always_inline int
495 app_send_dgram (app_session_t * s, u8 * data, u32 len, u8 noblock)
496 {
497  return app_send_dgram_raw (s->tx_fifo, &s->transport, s->vpp_evt_q, data,
498  len, SESSION_IO_EVT_TX, 1 /* do_evt */ ,
499  noblock);
500 }
501 
502 always_inline int
503 app_send_stream_raw (svm_fifo_t * f, svm_msg_q_t * vpp_evt_q, u8 * data,
504  u32 len, u8 evt_type, u8 do_evt, u8 noblock)
505 {
506  int rv;
507 
508  rv = svm_fifo_enqueue (f, len, data);
509  if (do_evt)
510  {
511  if (rv > 0 && svm_fifo_set_event (f))
512  app_send_io_evt_to_vpp (vpp_evt_q, f->master_session_index, evt_type,
513  noblock);
514  }
515  return rv;
516 }
517 
518 always_inline int
519 app_send_stream (app_session_t * s, u8 * data, u32 len, u8 noblock)
520 {
521  return app_send_stream_raw (s->tx_fifo, s->vpp_evt_q, data, len,
522  SESSION_IO_EVT_TX, 1 /* do_evt */ , noblock);
523 }
524 
525 always_inline int
526 app_send (app_session_t * s, u8 * data, u32 len, u8 noblock)
527 {
528  if (s->is_dgram)
529  return app_send_dgram (s, data, len, noblock);
530  return app_send_stream (s, data, len, noblock);
531 }
532 
533 always_inline int
534 app_recv_dgram_raw (svm_fifo_t * f, u8 * buf, u32 len,
535  app_session_transport_t * at, u8 clear_evt, u8 peek)
536 {
538  u32 max_deq;
539  int rv;
540 
541  max_deq = svm_fifo_max_dequeue_cons (f);
542  if (max_deq < sizeof (session_dgram_hdr_t))
543  {
544  if (clear_evt)
546  return 0;
547  }
548 
549  if (clear_evt)
551 
552  svm_fifo_peek (f, 0, sizeof (ph), (u8 *) & ph);
553  ASSERT (ph.data_length >= ph.data_offset);
554  if (!ph.data_offset)
555  svm_fifo_peek (f, sizeof (ph), sizeof (*at), (u8 *) at);
556  len = clib_min (len, ph.data_length - ph.data_offset);
557  rv = svm_fifo_peek (f, ph.data_offset + SESSION_CONN_HDR_LEN, len, buf);
558  if (peek)
559  return rv;
560  ph.data_offset += rv;
561  if (ph.data_offset == ph.data_length)
563  else
564  svm_fifo_overwrite_head (f, (u8 *) & ph, sizeof (ph));
565  return rv;
566 }
567 
568 always_inline int
569 app_recv_dgram (app_session_t * s, u8 * buf, u32 len)
570 {
571  return app_recv_dgram_raw (s->rx_fifo, buf, len, &s->transport, 1, 0);
572 }
573 
574 always_inline int
575 app_recv_stream_raw (svm_fifo_t * f, u8 * buf, u32 len, u8 clear_evt, u8 peek)
576 {
577  if (clear_evt)
579 
580  if (peek)
581  return svm_fifo_peek (f, 0, len, buf);
582 
583  return svm_fifo_dequeue (f, len, buf);
584 }
585 
586 always_inline int
587 app_recv_stream (app_session_t * s, u8 * buf, u32 len)
588 {
589  return app_recv_stream_raw (s->rx_fifo, buf, len, 1, 0);
590 }
591 
592 always_inline int
594 {
595  if (s->is_dgram)
596  return app_recv_dgram (s, data, len);
597  return app_recv_stream (s, data, len);
598 }
599 
600 #endif /* __included_uri_h__ */
601 
602 /*
603  * fd.io coding-style-patch-verification: ON
604  *
605  * Local Variables:
606  * eval: (c-set-style "gnu")
607  * End:
608  */
#define foreach_app_session_field
flag for dgram mode
static int app_recv_stream_raw(svm_fifo_t *f, u8 *buf, u32 len, u8 clear_evt, u8 peek)
struct app_session_event_ app_session_evt_t
static u8 svm_msg_q_msg_is_invalid(svm_msg_q_msg_t *msg)
Check if message is invalid.
void * svm_msg_q_msg_data(svm_msg_q_t *mq, svm_msg_q_msg_t *msg)
Get data for message in queue.
static u8 svm_msg_q_ring_is_full(svm_msg_q_t *mq, u32 ring_index)
#define clib_min(x, y)
Definition: clib.h:295
struct session_accepted_msg_ session_accepted_msg_t
u8 is_ip4
set if uses ip4 networking
static u32 svm_fifo_max_enqueue_prod(svm_fifo_t *f)
Maximum number of bytes that can be enqueued into fifo.
Definition: svm_fifo.h:609
a
Definition: bitmap.h:538
struct _vnet_connect_args vnet_connect_args_t
int vnet_listen(vnet_listen_args_t *a)
Definition: application.c:947
struct _vnet_unlisten_args_t vnet_unlisten_args_t
unsigned long u64
Definition: types.h:89
#define clib_memcpy_fast(a, b, c)
Definition: string.h:81
struct session_req_worker_update_msg_ session_req_worker_update_msg_t
static int app_send_stream(app_session_t *s, u8 *data, u32 len, u8 noblock)
int svm_fifo_peek(svm_fifo_t *f, u32 offset, u32 len, u8 *dst)
Peek data from fifo.
Definition: svm_fifo.c:926
clib_memset(h->entries, 0, sizeof(h->entries[0])*entries)
u8 data[128]
Definition: ipsec.api:249
struct session_disconnected_reply_msg_ session_disconnected_reply_msg_t
void svm_fifo_overwrite_head(svm_fifo_t *f, u8 *src, u32 len)
Overwrite fifo head with new data.
Definition: svm_fifo.c:785
struct session_reset_msg_ session_reset_msg_t
struct _vnet_application_add_tls_cert_args_t vnet_app_add_tls_cert_args_t
struct session_worker_update_reply_msg_ session_worker_update_reply_msg_t
unsigned char u8
Definition: types.h:56
struct _vnet_bind_args_t vnet_listen_args_t
int vnet_bind_uri(vnet_listen_args_t *)
static session_handle_t session_handle(session_t *s)
struct _svm_fifo svm_fifo_t
int svm_msg_q_lock_and_alloc_msg_w_ring(svm_msg_q_t *mq, u32 ring_index, u8 noblock, svm_msg_q_msg_t *msg)
Lock message queue and allocate message buffer on ring.
struct session_reset_reply_msg_ session_reset_reply_msg_t
struct session_accepted_reply_msg_ session_accepted_reply_msg_t
static void app_alloc_ctrl_evt_to_vpp(svm_msg_q_t *mq, app_session_evt_t *app_evt, u8 evt_type)
static int app_send(app_session_t *s, u8 *data, u32 len, u8 noblock)
struct _vnet_disconnect_args_t vnet_disconnect_args_t
#define always_inline
Definition: clib.h:98
enum session_fd_type_ session_fd_type_t
static u32 svm_fifo_max_dequeue_cons(svm_fifo_t *f)
Fifo max bytes to dequeue optimized for consumer.
Definition: svm_fifo.h:489
static int app_send_io_evt_to_vpp(svm_msg_q_t *mq, u32 session_index, u8 evt_type, u8 noblock)
Send fifo io event to vpp worker thread.
#define foreach_fd_type
ip46_address_t lcl_ip
unsigned int u32
Definition: types.h:88
int svm_fifo_dequeue(svm_fifo_t *f, u32 len, u8 *dst)
Dequeue data from fifo.
Definition: svm_fifo.c:900
STATIC_ASSERT(sizeof(session_accepted_reply_msg_t)<=16,"accept reply")
static int app_recv_dgram_raw(svm_fifo_t *f, u8 *buf, u32 len, app_session_transport_t *at, u8 clear_evt, u8 peek)
struct _vnet_app_attach_args_t vnet_app_attach_args_t
clib_error_t * vnet_app_add_tls_key(vnet_app_add_tls_key_args_t *a)
Definition: application.c:1312
struct _session_endpoint_cfg session_endpoint_cfg_t
static int app_recv(app_session_t *s, u8 *data, u32 len)
#define foreach_app_init_args
unsigned short u16
Definition: types.h:57
int svm_fifo_enqueue(svm_fifo_t *f, u32 len, const u8 *src)
Enqueue data to fifo.
Definition: svm_fifo.c:807
#define PREDICT_FALSE(x)
Definition: clib.h:111
ip46_address_t rmt_ip
remote ip
static void svm_fifo_unset_event(svm_fifo_t *f)
Unset fifo event flag.
Definition: svm_fifo.h:752
static void svm_msg_q_wait(svm_msg_q_t *mq)
Wait for message queue event.
struct session_connected_msg_ session_connected_msg_t
int vnet_unbind_uri(vnet_unlisten_args_t *a)
static int app_send_dgram_raw(svm_fifo_t *f, app_session_transport_t *at, svm_msg_q_t *vpp_evt_q, u8 *data, u32 len, u8 evt_type, u8 do_evt, u8 noblock)
int vnet_application_attach(vnet_app_attach_args_t *a)
Attach application to vpp.
Definition: application.c:809
u8 len
Definition: ip_types.api:90
enum session_fd_flag_ session_fd_flag_t
static void app_send_ctrl_evt_to_vpp(svm_msg_q_t *mq, app_session_evt_t *app_evt)
static u8 svm_fifo_set_event(svm_fifo_t *f)
Set fifo event flag.
Definition: svm_fifo.h:739
Unidirectional shared-memory multi-ring message queue.
static void svm_msg_q_unlock(svm_msg_q_t *mq)
Unlock message queue.
#define SESSION_CONN_HDR_LEN
struct _stream_session_cb_vft session_cb_vft_t
struct app_session_transport_ app_session_transport_t
int vnet_unlisten(vnet_unlisten_args_t *a)
Definition: application.c:1035
blocking call - best used in combination with condvars, for eventfds we don&#39;t yield the cpu ...
Definition: queue.h:42
static int app_recv_stream(app_session_t *s, u8 *buf, u32 len)
static int svm_msg_q_try_lock(svm_msg_q_t *mq)
Try locking message queue.
enum _app_options_flags app_options_flags_t
int parse_uri(char *uri, session_endpoint_cfg_t *sep)
struct session_worker_update_msg_ session_worker_update_msg_t
signed int i32
Definition: types.h:77
clib_error_t * vnet_app_add_tls_cert(vnet_app_add_tls_cert_args_t *a)
Definition: application.c:1300
int vnet_disconnect_session(vnet_disconnect_args_t *a)
Definition: application.c:1064
#define ASSERT(truth)
void svm_msg_q_add_and_unlock(svm_msg_q_t *mq, svm_msg_q_msg_t *msg)
Producer enqueue one message to queue with mutex held.
enum _app_options app_options_t
app_attach_options_index_t
static int app_send_dgram(app_session_t *s, u8 *data, u32 len, u8 noblock)
struct _vnet_application_add_tls_key_args_t vnet_app_add_tls_key_args_t
int vnet_application_detach(vnet_app_detach_args_t *a)
Detach application from vpp.
Definition: application.c:869
ip46_address_t rmt_ip
u16 lcl_port
local port (network order)
struct _vnet_app_detach_args_t vnet_app_detach_args_t
ip46_address_t lcl_ip
local ip
int vnet_connect(vnet_connect_args_t *a)
Definition: application.c:999
struct session_disconnected_msg_ session_disconnected_msg_t
struct session_bound_msg_ session_bound_msg_t
int vnet_connect_uri(vnet_connect_args_t *a)
u64 session_handle_t
u64 uword
Definition: types.h:112
static int app_send_stream_raw(svm_fifo_t *f, svm_msg_q_t *vpp_evt_q, u8 *data, u32 len, u8 evt_type, u8 do_evt, u8 noblock)
typedef key
Definition: ipsec.api:245
struct session_unlisten_reply_msg_ session_unlisten_reply_msg_t
session_cleanup_ntf_t
struct _session_endpoint session_endpoint_t
#define foreach_app_options_flags
enum tls_engine_type_ tls_engine_type_t
int svm_fifo_dequeue_drop(svm_fifo_t *f, u32 len)
Dequeue and drop bytes from fifo.
Definition: svm_fifo.c:948
static int svm_msg_q_lock(svm_msg_q_t *mq)
Lock, or block trying, the message queue.
u32 context
Definition: gre.api:45
static u8 svm_msg_q_is_full(svm_msg_q_t *mq)
Check if message queue is full.
struct session_dgram_header_ session_dgram_hdr_t
svm_msg_q_msg_t svm_msg_q_alloc_msg_w_ring(svm_msg_q_t *mq, u32 ring_index)
Allocate message buffer on ring.
static int app_recv_dgram(app_session_t *s, u8 *buf, u32 len)
u16 rmt_port
remote port (network order)