FD.io VPP  v19.08.3-2-gbabecb413
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_listen_msg_
265 {
266  u32 client_index;
267  u32 context; /* Not needed but keeping it for compatibility with bapi */
268  u32 wrk_index;
269  u32 vrf;
272  u8 is_ip4;
273  ip46_address_t ip;
274 } __clib_packed session_listen_msg_t;
275 
277  "msg too large");
278 
279 typedef struct session_listen_uri_msg_
280 {
281  u32 client_index;
283  u8 uri[56];
284 } __clib_packed session_listen_uri_msg_t;
285 
286 STATIC_ASSERT (sizeof (session_listen_uri_msg_t) <= SESSION_CTRL_MSG_MAX_SIZE,
287  "msg too large");
288 
289 typedef struct session_bound_msg_
290 {
291  u32 context;
292  u64 handle;
293  i32 retval;
294  u8 lcl_is_ip4;
295  u8 lcl_ip[16];
296  u16 lcl_port;
297  uword rx_fifo;
298  uword tx_fifo;
299  uword vpp_evt_q;
300  u32 segment_size;
301  u8 segment_name_length;
302  u8 segment_name[128];
303 } __clib_packed session_bound_msg_t;
304 
305 typedef struct session_unlisten_msg_
306 {
307  u32 client_index;
309  u32 wrk_index;
311 } __clib_packed session_unlisten_msg_t;
312 
313 typedef struct session_unlisten_reply_msg_
314 {
315  u32 context;
316  u64 handle;
317  i32 retval;
319 
320 typedef struct session_accepted_msg_
321 {
322  u32 context;
323  u64 listener_handle;
324  u64 handle;
325  uword server_rx_fifo;
326  uword server_tx_fifo;
327  u64 segment_handle;
328  uword vpp_event_queue_address;
330 } __clib_packed session_accepted_msg_t;
331 
332 typedef struct session_accepted_reply_msg_
333 {
334  u32 context;
335  i32 retval;
336  u64 handle;
338 
339 typedef struct session_connect_msg_
340 {
341  u32 client_index;
343  u32 wrk_index;
344  u32 vrf;
347  u8 is_ip4;
348  ip46_address_t ip;
349  ip46_address_t lcl_ip;
350  u8 hostname_len;
351  u8 hostname[16];
352  u64 parent_handle;
353 } __clib_packed session_connect_msg_t;
354 
355 STATIC_ASSERT (sizeof (session_connect_msg_t) <= SESSION_CTRL_MSG_MAX_SIZE,
356  "msg too large");
357 
358 typedef struct session_connect_uri_msg_
359 {
360  u32 client_index;
362  u8 uri[56];
364 
365 STATIC_ASSERT (sizeof (session_connect_uri_msg_t) <=
366  SESSION_CTRL_MSG_MAX_SIZE, "msg too large");
367 
368 typedef struct session_connected_msg_
369 {
370  u32 context;
371  i32 retval;
372  u64 handle;
373  uword server_rx_fifo;
374  uword server_tx_fifo;
375  u64 segment_handle;
376  uword ct_rx_fifo;
377  uword ct_tx_fifo;
378  u64 ct_segment_handle;
379  uword vpp_event_queue_address;
380  u32 segment_size;
381  u8 segment_name_length;
382  u8 segment_name[64];
384 } __clib_packed session_connected_msg_t;
385 
386 typedef struct session_disconnect_msg_
387 {
388  u32 client_index;
391 } __clib_packed session_disconnect_msg_t;
392 
393 typedef struct session_disconnected_msg_
394 {
395  u32 client_index;
397  u64 handle;
399 
400 typedef struct session_disconnected_reply_msg_
401 {
402  u32 context;
403  i32 retval;
404  u64 handle;
406 
407 typedef struct session_reset_msg_
408 {
409  u32 client_index;
411  u64 handle;
412 } __clib_packed session_reset_msg_t;
413 
414 typedef struct session_reset_reply_msg_
415 {
416  u32 context;
417  i32 retval;
418  u64 handle;
420 
421 typedef struct session_req_worker_update_msg_
422 {
425 
426 /* NOTE: using u16 for wrk indices because message needs to fit in 18B */
427 typedef struct session_worker_update_msg_
428 {
429  u32 client_index;
430  u16 wrk_index;
431  u16 req_wrk_index;
432  u64 handle;
434 
436 {
437  u64 handle;
438  uword rx_fifo;
439  uword tx_fifo;
440  u64 segment_handle;
442 
443 typedef struct session_app_detach_msg_
444 {
445  u32 client_index;
448 
449 typedef struct app_session_event_
450 {
451  svm_msg_q_msg_t msg;
452  session_event_t *evt;
453 } __clib_packed app_session_evt_t;
454 
455 static inline void
456 app_alloc_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt,
457  u8 evt_type)
458 {
461  SVM_Q_WAIT, &app_evt->msg);
462  app_evt->evt = svm_msg_q_msg_data (mq, &app_evt->msg);
463  clib_memset (app_evt->evt, 0, sizeof (*app_evt->evt));
464  app_evt->evt->event_type = evt_type;
465 }
466 
467 static inline void
468 app_send_ctrl_evt_to_vpp (svm_msg_q_t * mq, app_session_evt_t * app_evt)
469 {
470  svm_msg_q_add_and_unlock (mq, &app_evt->msg);
471 }
472 
473 /**
474  * Send fifo io event to vpp worker thread
475  *
476  * Because there may be multiple writers to one of vpp's queues, this
477  * protects message allocation and enqueueing.
478  *
479  * @param mq vpp message queue
480  * @param f fifo for which the event is sent
481  * @param evt_type type of event
482  * @param noblock flag to indicate is request is blocking or not
483  * @return 0 if success, negative integer otherwise
484  */
485 static inline int
486 app_send_io_evt_to_vpp (svm_msg_q_t * mq, u32 session_index, u8 evt_type,
487  u8 noblock)
488 {
489  session_event_t *evt;
490  svm_msg_q_msg_t msg;
491 
492  if (noblock)
493  {
494  if (svm_msg_q_try_lock (mq))
495  return -1;
497  {
498  svm_msg_q_unlock (mq);
499  return -2;
500  }
502  evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
503  evt->session_index = session_index;
504  evt->event_type = evt_type;
505  svm_msg_q_add_and_unlock (mq, &msg);
506  return 0;
507  }
508  else
509  {
510  svm_msg_q_lock (mq);
512  || svm_msg_q_is_full (mq))
513  svm_msg_q_wait (mq);
515  evt = (session_event_t *) svm_msg_q_msg_data (mq, &msg);
516  evt->session_index = session_index;
517  evt->event_type = evt_type;
518  svm_msg_q_add_and_unlock (mq, &msg);
519  return 0;
520  }
521 }
522 
523 always_inline int
525  svm_msg_q_t * vpp_evt_q, u8 * data, u32 len, u8 evt_type,
526  u8 do_evt, u8 noblock)
527 {
528  u32 max_enqueue, actual_write;
530  int rv;
531 
532  max_enqueue = svm_fifo_max_enqueue_prod (f);
533  if (max_enqueue <= sizeof (session_dgram_hdr_t))
534  return 0;
535 
536  max_enqueue -= sizeof (session_dgram_hdr_t);
537  actual_write = clib_min (len, max_enqueue);
538  hdr.data_length = actual_write;
539  hdr.data_offset = 0;
540  clib_memcpy_fast (&hdr.rmt_ip, &at->rmt_ip, sizeof (ip46_address_t));
541  hdr.is_ip4 = at->is_ip4;
542  hdr.rmt_port = at->rmt_port;
543  clib_memcpy_fast (&hdr.lcl_ip, &at->lcl_ip, sizeof (ip46_address_t));
544  hdr.lcl_port = at->lcl_port;
545  rv = svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
546  ASSERT (rv == sizeof (hdr));
547 
548  rv = svm_fifo_enqueue (f, actual_write, data);
549  if (do_evt)
550  {
551  if (rv > 0 && svm_fifo_set_event (f))
552  app_send_io_evt_to_vpp (vpp_evt_q, f->master_session_index, evt_type,
553  noblock);
554  }
555  ASSERT (rv);
556  return rv;
557 }
558 
559 always_inline int
560 app_send_dgram (app_session_t * s, u8 * data, u32 len, u8 noblock)
561 {
562  return app_send_dgram_raw (s->tx_fifo, &s->transport, s->vpp_evt_q, data,
563  len, SESSION_IO_EVT_TX, 1 /* do_evt */ ,
564  noblock);
565 }
566 
567 always_inline int
568 app_send_stream_raw (svm_fifo_t * f, svm_msg_q_t * vpp_evt_q, u8 * data,
569  u32 len, u8 evt_type, u8 do_evt, u8 noblock)
570 {
571  int rv;
572 
573  rv = svm_fifo_enqueue (f, len, data);
574  if (do_evt)
575  {
576  if (rv > 0 && svm_fifo_set_event (f))
577  app_send_io_evt_to_vpp (vpp_evt_q, f->master_session_index, evt_type,
578  noblock);
579  }
580  return rv;
581 }
582 
583 always_inline int
584 app_send_stream (app_session_t * s, u8 * data, u32 len, u8 noblock)
585 {
586  return app_send_stream_raw (s->tx_fifo, s->vpp_evt_q, data, len,
587  SESSION_IO_EVT_TX, 1 /* do_evt */ , noblock);
588 }
589 
590 always_inline int
591 app_send (app_session_t * s, u8 * data, u32 len, u8 noblock)
592 {
593  if (s->is_dgram)
594  return app_send_dgram (s, data, len, noblock);
595  return app_send_stream (s, data, len, noblock);
596 }
597 
598 always_inline int
599 app_recv_dgram_raw (svm_fifo_t * f, u8 * buf, u32 len,
600  app_session_transport_t * at, u8 clear_evt, u8 peek)
601 {
603  u32 max_deq;
604  int rv;
605 
606  max_deq = svm_fifo_max_dequeue_cons (f);
607  if (max_deq < sizeof (session_dgram_hdr_t))
608  {
609  if (clear_evt)
611  return 0;
612  }
613 
614  if (clear_evt)
616 
617  svm_fifo_peek (f, 0, sizeof (ph), (u8 *) & ph);
618  ASSERT (ph.data_length >= ph.data_offset);
619  if (!ph.data_offset)
620  svm_fifo_peek (f, sizeof (ph), sizeof (*at), (u8 *) at);
621  len = clib_min (len, ph.data_length - ph.data_offset);
622  rv = svm_fifo_peek (f, ph.data_offset + SESSION_CONN_HDR_LEN, len, buf);
623  if (peek)
624  return rv;
625  ph.data_offset += rv;
626  if (ph.data_offset == ph.data_length)
627  svm_fifo_dequeue_drop (f, ph.data_length + SESSION_CONN_HDR_LEN);
628  else
629  svm_fifo_overwrite_head (f, (u8 *) & ph, sizeof (ph));
630  return rv;
631 }
632 
633 always_inline int
634 app_recv_dgram (app_session_t * s, u8 * buf, u32 len)
635 {
636  return app_recv_dgram_raw (s->rx_fifo, buf, len, &s->transport, 1, 0);
637 }
638 
639 always_inline int
640 app_recv_stream_raw (svm_fifo_t * f, u8 * buf, u32 len, u8 clear_evt, u8 peek)
641 {
642  if (clear_evt)
644 
645  if (peek)
646  return svm_fifo_peek (f, 0, len, buf);
647 
648  return svm_fifo_dequeue (f, len, buf);
649 }
650 
651 always_inline int
652 app_recv_stream (app_session_t * s, u8 * buf, u32 len)
653 {
654  return app_recv_stream_raw (s->rx_fifo, buf, len, 1, 0);
655 }
656 
657 always_inline int
659 {
660  if (s->is_dgram)
661  return app_recv_dgram (s, data, len);
662  return app_recv_stream (s, data, len);
663 }
664 
665 #endif /* __included_uri_h__ */
666 
667 /*
668  * fd.io coding-style-patch-verification: ON
669  *
670  * Local Variables:
671  * eval: (c-set-style "gnu")
672  * End:
673  */
#define foreach_app_session_field
flag for dgram mode
struct session_unlisten_msg_ session_unlisten_msg_t
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
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:302
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:618
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
clib_memset(h->entries, 0, sizeof(h->entries[0]) *entries)
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:1007
struct session_listen_msg_ session_listen_msg_t
u8 data[128]
Definition: ipsec.api:251
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:866
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:99
struct session_disconnect_msg_ session_disconnect_msg_t
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:498
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:981
struct session_connect_uri_msg_ session_connect_uri_msg_t
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:1318
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
#define SESSION_CTRL_MSG_MAX_SIZE
Definition: session_types.h:24
int svm_fifo_enqueue(svm_fifo_t *f, u32 len, const u8 *src)
Enqueue data to fifo.
Definition: svm_fifo.c:888
#define PREDICT_FALSE(x)
Definition: clib.h:112
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:761
u16 port
Definition: punt.api:40
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:748
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:1039
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:1306
int vnet_disconnect_session(vnet_disconnect_args_t *a)
Definition: application.c:1070
#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:1001
struct session_disconnected_msg_ session_disconnected_msg_t
struct session_bound_msg_ session_bound_msg_t
vl_api_address_t ip
Definition: l2.api:489
int vnet_connect_uri(vnet_connect_args_t *a)
u64 session_handle_t
struct session_app_detach_msg_ session_app_detach_msg_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:247
struct session_unlisten_reply_msg_ session_unlisten_reply_msg_t
struct session_connect_msg_ session_connect_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:1029
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.
vl_api_fib_path_nh_proto_t proto
Definition: fib_types.api:125
static int app_recv_dgram(app_session_t *s, u8 *buf, u32 len)
u16 rmt_port
remote port (network order)
STATIC_ASSERT(sizeof(session_listen_msg_t)<=SESSION_CTRL_MSG_MAX_SIZE, "msg too large")
struct session_listen_uri_msg_ session_listen_uri_msg_t