2 * Copyright (c) 2017 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
5 * You may obtain a copy of the License at:
7 * http://www.apache.org/licenses/LICENSE-2.0
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.
19 #include <svm/svm_fifo_segment.h>
20 #include <vlibmemory/api.h>
21 #include <vpp/api/vpe_msg_enum.h>
22 #include <vnet/session/application_interface.h>
23 #include <vcl/vppcom.h>
24 #include <vlib/unix/unix.h>
25 #include <vppinfra/vec_bootstrap.h>
26 #include <vppinfra/elog.h>
28 #define vl_typedefs /* define message structures */
29 #include <vpp/api/vpe_all_api_h.h>
32 /* declare message handlers for each api */
34 #define vl_endianfun /* define message structures */
35 #include <vpp/api/vpe_all_api_h.h>
38 /* instantiate all the print functions we know about */
39 #define vl_print(handle, ...)
41 #include <vpp/api/vpe_all_api_h.h>
45 /* Set VPPCOM_DEBUG_INIT 2 for connection debug,
46 * 3 for read/write debug output
48 * export VCL_DEBUG=<#> to set dynamically.
50 #define VPPCOM_DEBUG_INIT 1
52 #define VPPCOM_DEBUG_INIT 0
55 #define VPPCOM_DEBUG vcm->debug
58 * VPPCOM Private definitions and functions.
74 STATE_CLOSE_ON_EMPTY = 0x10,
75 STATE_DISCONNECT = 0x20,
79 #define SERVER_STATE_OPEN (STATE_ACCEPT|STATE_CLOSE_ON_EMPTY)
80 #define CLIENT_STATE_OPEN (STATE_CONNECT|STATE_CLOSE_ON_EMPTY)
82 typedef struct epoll_event vppcom_epoll_event_t;
89 vppcom_epoll_event_t ev;
90 #define VEP_DEFAULT_ET_MASK (EPOLLIN|EPOLLOUT)
91 #define VEP_UNSUPPORTED_EVENTS (EPOLLONESHOT|EPOLLEXCLUSIVE)
103 VCL_SESS_ATTR_SERVER,
104 VCL_SESS_ATTR_CUT_THRU,
106 VCL_SESS_ATTR_VEP_SESSION,
107 VCL_SESS_ATTR_LISTEN, // SOL_SOCKET,SO_ACCEPTCONN
108 VCL_SESS_ATTR_NONBLOCK, // fcntl,O_NONBLOCK
109 VCL_SESS_ATTR_REUSEADDR, // SOL_SOCKET,SO_REUSEADDR
110 VCL_SESS_ATTR_REUSEPORT, // SOL_SOCKET,SO_REUSEPORT
111 VCL_SESS_ATTR_BROADCAST, // SOL_SOCKET,SO_BROADCAST
112 VCL_SESS_ATTR_V6ONLY, // SOL_TCP,IPV6_V6ONLY
113 VCL_SESS_ATTR_KEEPALIVE, // SOL_SOCKET,SO_KEEPALIVE
114 VCL_SESS_ATTR_TCP_NODELAY, // SOL_TCP,TCP_NODELAY
115 VCL_SESS_ATTR_TCP_KEEPIDLE, // SOL_TCP,TCP_KEEPIDLE
116 VCL_SESS_ATTR_TCP_KEEPINTVL, // SOL_TCP,TCP_KEEPINTVL
118 } vppcom_session_attr_t;
120 #define VCL_SESS_ATTR_SET(ATTR, VAL) \
122 (ATTR) |= 1 << (VAL); \
125 #define VCL_SESS_ATTR_CLR(ATTR, VAL) \
127 (ATTR) &= ~(1 << (VAL)); \
130 #define VCL_SESS_ATTR_TEST(ATTR, VAL) \
131 ((ATTR) & (1 << (VAL)) ? 1 : 0)
135 volatile session_state_t state;
137 svm_fifo_t *server_rx_fifo;
138 svm_fifo_t *server_tx_fifo;
139 u32 sndbuf_size; // VPP-TBD: Hack until support setsockopt(SO_SNDBUF)
140 u32 rcvbuf_size; // VPP-TBD: Hack until support setsockopt(SO_RCVBUF)
141 u32 user_mss; // VPP-TBD: Hack until support setsockopt(TCP_MAXSEG)
146 svm_queue_t *vpp_event_queue;
148 /* Socket configuration state */
149 /* TBD: covert 'is_*' vars to bit in session->attr; */
161 vppcom_ip46_t lcl_addr;
162 vppcom_ip46_t peer_addr;
163 u16 lcl_port; // network order
164 u16 peer_port; // network order
166 u64 client_queue_address;
168 elog_track_t elog_track;
171 typedef struct vppcom_cfg_t_
174 u32 vpp_api_q_length;
177 u32 add_segment_size;
178 u32 preallocated_fifo_pairs;
181 u32 event_queue_size;
182 u32 listen_queue_size;
183 u8 app_proxy_transport_tcp;
184 u8 app_proxy_transport_udp;
188 u64 namespace_secret;
193 char *event_log_path;
196 typedef struct vppcom_main_t_
200 u32 *client_session_index_fifo;
203 /* vpe input queue */
204 svm_queue_t *vl_input_queue;
206 /* API client handle */
210 clib_spinlock_t sessions_lockp;
213 /* Hash table for disconnect processing */
214 uword *session_index_by_vpp_handles;
217 clib_bitmap_t *rd_bitmap;
218 clib_bitmap_t *wr_bitmap;
219 clib_bitmap_t *ex_bitmap;
221 /* Our event queue */
222 svm_queue_t *app_event_queue;
224 /* unique segment name counter */
225 u32 unique_segment_index;
227 /* For deadman timers */
228 clib_time_t clib_time;
230 /* State of the connection, shared between msg RX thread and main thread */
231 volatile app_state_t app_state;
236 elog_main_t elog_main;
237 elog_track_t elog_track;
239 /* VNET_API_ERROR_FOO -> "Foo" hash table */
240 uword *error_string_by_error_number;
243 /* NOTE: _vppcom_main is only used until the heap is allocated.
244 * Do not access it directly -- use vcm which will point to
245 * the heap allocated copy after init.
247 static vppcom_main_t _vppcom_main = {
248 .debug = VPPCOM_DEBUG_INIT,
249 .my_client_index = ~0
252 static vppcom_main_t *vcm = &_vppcom_main;
254 #define VCL_LOCK_AND_GET_SESSION(I, S) \
256 clib_spinlock_lock (&vcm->sessions_lockp); \
257 rv = vppcom_session_at_index (I, S); \
258 if (PREDICT_FALSE (rv)) \
260 clib_spinlock_unlock (&vcm->sessions_lockp); \
261 clib_warning ("VCL<%d>: ERROR: Invalid ##I (%u)!", \
268 vppcom_app_state_str (app_state_t state)
274 case STATE_APP_START:
275 st = "STATE_APP_START";
278 case STATE_APP_CONN_VPP:
279 st = "STATE_APP_CONN_VPP";
282 case STATE_APP_ENABLED:
283 st = "STATE_APP_ENABLED";
286 case STATE_APP_ATTACHED:
287 st = "STATE_APP_ATTACHED";
291 st = "UNKNOWN_APP_STATE";
299 vppcom_session_state_str (session_state_t state)
310 st = "STATE_CONNECT";
321 case STATE_CLOSE_ON_EMPTY:
322 st = "STATE_CLOSE_ON_EMPTY";
325 case STATE_DISCONNECT:
326 st = "STATE_DISCONNECT";
334 st = "UNKNOWN_STATE";
342 * VPPCOM Utility Functions
345 vppcom_session_at_index (u32 session_index, session_t * volatile *sess)
347 /* Assumes that caller has acquired spinlock: vcm->sessions_lockp */
348 if (PREDICT_FALSE ((session_index == ~0) ||
349 pool_is_free_index (vcm->sessions, session_index)))
351 clib_warning ("VCL<%d>: invalid session, sid (%u) has been closed!",
352 getpid (), session_index);
353 return VPPCOM_EBADFD;
355 *sess = pool_elt_at_index (vcm->sessions, session_index);
360 vppcom_session_table_add_listener (u64 listener_handle, u32 value)
362 /* Session and listener handles have different formats. The latter has
363 * the thread index in the upper 32 bits while the former has the session
364 * type. Knowing that, for listeners we just flip the MSB to 1 */
365 listener_handle |= 1ULL << 63;
366 hash_set (vcm->session_index_by_vpp_handles, listener_handle, value);
369 static inline session_t *
370 vppcom_session_table_lookup_listener (u64 listener_handle)
373 u64 handle = listener_handle | (1ULL << 63);
376 p = hash_get (vcm->session_index_by_vpp_handles, handle);
379 clib_warning ("VCL<%d>: couldn't find listen session: unknown vpp "
380 "listener handle %llx", getpid (), listener_handle);
383 if (pool_is_free_index (vcm->sessions, p[0]))
385 if (VPPCOM_DEBUG > 1)
386 clib_warning ("VCL<%d>: invalid listen session, sid (%u)",
391 session = pool_elt_at_index (vcm->sessions, p[0]);
392 ASSERT (session->is_listen);
397 vppcom_session_table_del_listener (u64 listener_handle)
399 listener_handle |= 1ULL << 63;
400 hash_unset (vcm->session_index_by_vpp_handles, listener_handle);
406 elog_main_t *em = &vcm->elog_main;
408 clib_error_t *error = 0;
411 (char *) format (0, "%s/%d-%d-vcl-elog%c", vcm->cfg.event_log_path,
412 vcm->my_client_index, getpid (), 0);
413 error = elog_write_file (em, chroot_file, 1 /* flush ring */ );
416 clib_error_report (error);
418 if (VPPCOM_DEBUG > 0)
419 clib_warning ("[%d] Event Log:'%s' ", getpid (), chroot_file);
424 vppcom_connect_to_vpp (char *app_name)
426 api_main_t *am = &api_main;
429 if (VPPCOM_DEBUG > 0)
430 clib_warning ("VCL<%d>: app (%s) connecting to VPP api...",
431 getpid (), app_name);
433 if (vl_client_connect_to_vlib ("/vpe-api", app_name,
434 vcm->cfg.vpp_api_q_length) < 0)
436 clib_warning ("VCL<%d>: app (%s) connect failed!", getpid (), app_name);
437 rv = VPPCOM_ECONNREFUSED;
441 vcm->vl_input_queue = am->shmem_hdr->vl_input_queue;
442 vcm->my_client_index = am->my_client_index;
443 vcm->app_state = STATE_APP_CONN_VPP;
445 if (VPPCOM_DEBUG > 0)
446 clib_warning ("VCL<%d>: app (%s) is connected to VPP!",
447 getpid (), app_name);
450 if (VPPCOM_DEBUG > 0)
452 vcm->elog_main.lock =
453 clib_mem_alloc_aligned (CLIB_CACHE_LINE_BYTES, CLIB_CACHE_LINE_BYTES);
454 vcm->elog_main.lock[0] = 0;
455 vcm->elog_main.event_ring_size = vcm->cfg.event_ring_size;
456 elog_init (&vcm->elog_main, vcm->elog_main.event_ring_size);
457 elog_enable_disable (&vcm->elog_main, 1);
459 vcm->elog_track.name =
460 (char *) format (0, "P:%d:C:%d%c", getpid (),
461 vcm->my_client_index, 0);
462 elog_track_register (&vcm->elog_main, &vcm->elog_track);
465 ELOG_TYPE_DECLARE (e) =
467 .format = "connect_vpp:rv:%d",
474 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
482 format_api_error (u8 * s, va_list * args)
484 i32 error = va_arg (*args, u32);
487 p = hash_get (vcm->error_string_by_error_number, -error);
490 s = format (s, "%s (%d)", p[0], error);
492 s = format (s, "%d", error);
497 vppcom_init_error_string_table (void)
499 vcm->error_string_by_error_number = hash_create (0, sizeof (uword));
501 #define _(n,v,s) hash_set (vcm->error_string_by_error_number, -v, s);
502 foreach_vnet_api_error;
505 hash_set (vcm->error_string_by_error_number, 99, "Misc");
509 vppcom_wait_for_app_state_change (app_state_t app_state)
511 f64 timeout = clib_time_now (&vcm->clib_time) + vcm->cfg.app_timeout;
513 while (clib_time_now (&vcm->clib_time) < timeout)
515 if (vcm->app_state == app_state)
518 if (VPPCOM_DEBUG > 0)
519 clib_warning ("VCL<%d>: timeout waiting for state %s (%d)", getpid (),
520 vppcom_app_state_str (app_state), app_state);
522 if (VPPCOM_DEBUG > 0)
525 ELOG_TYPE_DECLARE (e) =
527 .format = "ERR: timeout state:%d",
535 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
537 ed->data = app_state;
541 return VPPCOM_ETIMEDOUT;
545 vppcom_wait_for_session_state_change (u32 session_index,
546 session_state_t state,
549 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
550 session_t *volatile session;
555 clib_spinlock_lock (&vcm->sessions_lockp);
556 rv = vppcom_session_at_index (session_index, &session);
557 if (PREDICT_FALSE (rv))
559 clib_spinlock_unlock (&vcm->sessions_lockp);
562 if (session->state == state)
564 clib_spinlock_unlock (&vcm->sessions_lockp);
567 if (session->state == STATE_FAILED)
569 clib_spinlock_unlock (&vcm->sessions_lockp);
570 return VPPCOM_ECONNREFUSED;
573 clib_spinlock_unlock (&vcm->sessions_lockp);
575 while (clib_time_now (&vcm->clib_time) < timeout);
577 if (VPPCOM_DEBUG > 0)
578 clib_warning ("VCL<%d>: timeout waiting for state 0x%x (%s)", getpid (),
579 state, vppcom_session_state_str (state));
581 if (VPPCOM_DEBUG > 0)
584 ELOG_TYPE_DECLARE (e) =
586 .format = "ERR: timeout state:%d",
594 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
600 return VPPCOM_ETIMEDOUT;
604 vppcom_wait_for_client_session_index (f64 wait_for_time)
606 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
610 if (clib_fifo_elts (vcm->client_session_index_fifo))
613 while (clib_time_now (&vcm->clib_time) < timeout);
615 if (wait_for_time == 0)
616 return VPPCOM_EAGAIN;
618 if (VPPCOM_DEBUG > 0)
619 clib_warning ("VCL<%d>: timeout waiting for client_session_index",
622 if (VPPCOM_DEBUG > 0)
625 ELOG_TYPE_DECLARE (e) =
627 .format = "ERR: timeout waiting for session index :%d",
635 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
641 return VPPCOM_ETIMEDOUT;
645 * VPP-API message functions
648 vppcom_send_session_enable_disable (u8 is_enable)
650 vl_api_session_enable_disable_t *bmp;
651 bmp = vl_msg_api_alloc (sizeof (*bmp));
652 memset (bmp, 0, sizeof (*bmp));
654 bmp->_vl_msg_id = ntohs (VL_API_SESSION_ENABLE_DISABLE);
655 bmp->client_index = vcm->my_client_index;
656 bmp->context = htonl (0xfeedface);
657 bmp->is_enable = is_enable;
658 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
662 vppcom_app_session_enable (void)
666 if (vcm->app_state != STATE_APP_ENABLED)
668 vppcom_send_session_enable_disable (1 /* is_enabled == TRUE */ );
669 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
670 if (PREDICT_FALSE (rv))
672 if (VPPCOM_DEBUG > 0)
673 clib_warning ("VCL<%d>: application session enable timed out! "
675 getpid (), rv, vppcom_retval_str (rv));
683 vl_api_session_enable_disable_reply_t_handler
684 (vl_api_session_enable_disable_reply_t * mp)
688 clib_warning ("VCL<%d>: session_enable_disable failed: %U", getpid (),
689 format_api_error, ntohl (mp->retval));
692 vcm->app_state = STATE_APP_ENABLED;
696 vppcom_app_send_attach (void)
698 vl_api_application_attach_t *bmp;
699 u8 nsid_len = vec_len (vcm->cfg.namespace_id);
700 u8 app_is_proxy = (vcm->cfg.app_proxy_transport_tcp ||
701 vcm->cfg.app_proxy_transport_udp);
703 bmp = vl_msg_api_alloc (sizeof (*bmp));
704 memset (bmp, 0, sizeof (*bmp));
706 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_ATTACH);
707 bmp->client_index = vcm->my_client_index;
708 bmp->context = htonl (0xfeedface);
709 bmp->options[APP_OPTIONS_FLAGS] =
710 APP_OPTIONS_FLAGS_ACCEPT_REDIRECT | APP_OPTIONS_FLAGS_ADD_SEGMENT |
711 (vcm->cfg.app_scope_local ? APP_OPTIONS_FLAGS_USE_LOCAL_SCOPE : 0) |
712 (vcm->cfg.app_scope_global ? APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE : 0) |
713 (app_is_proxy ? APP_OPTIONS_FLAGS_IS_PROXY : 0);
714 bmp->options[APP_OPTIONS_PROXY_TRANSPORT] =
715 (vcm->cfg.app_proxy_transport_tcp ? 1 << TRANSPORT_PROTO_TCP : 0) |
716 (vcm->cfg.app_proxy_transport_udp ? 1 << TRANSPORT_PROTO_UDP : 0);
717 bmp->options[APP_OPTIONS_SEGMENT_SIZE] = vcm->cfg.segment_size;
718 bmp->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = vcm->cfg.add_segment_size;
719 bmp->options[APP_OPTIONS_RX_FIFO_SIZE] = vcm->cfg.rx_fifo_size;
720 bmp->options[APP_OPTIONS_TX_FIFO_SIZE] = vcm->cfg.tx_fifo_size;
721 bmp->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] =
722 vcm->cfg.preallocated_fifo_pairs;
723 bmp->options[APP_OPTIONS_EVT_QUEUE_SIZE] = vcm->cfg.event_queue_size;
726 bmp->namespace_id_len = nsid_len;
727 clib_memcpy (bmp->namespace_id, vcm->cfg.namespace_id, nsid_len);
728 bmp->options[APP_OPTIONS_NAMESPACE_SECRET] = vcm->cfg.namespace_secret;
730 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
734 vppcom_app_attach (void)
738 vppcom_app_send_attach ();
739 rv = vppcom_wait_for_app_state_change (STATE_APP_ATTACHED);
740 if (PREDICT_FALSE (rv))
742 if (VPPCOM_DEBUG > 0)
743 clib_warning ("VCL<%d>: application attach timed out! "
745 getpid (), rv, vppcom_retval_str (rv));
752 vppcom_app_detach (void)
754 vl_api_application_detach_t *bmp;
755 bmp = vl_msg_api_alloc (sizeof (*bmp));
756 memset (bmp, 0, sizeof (*bmp));
758 bmp->_vl_msg_id = ntohs (VL_API_APPLICATION_DETACH);
759 bmp->client_index = vcm->my_client_index;
760 bmp->context = htonl (0xfeedface);
761 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
765 vl_api_application_attach_reply_t_handler (vl_api_application_attach_reply_t *
768 static svm_fifo_segment_create_args_t _a;
769 svm_fifo_segment_create_args_t *a = &_a;
772 memset (a, 0, sizeof (*a));
775 clib_warning ("VCL<%d>: attach failed: %U", getpid (),
776 format_api_error, ntohl (mp->retval));
780 if (mp->segment_name_length == 0)
782 clib_warning ("VCL<%d>: segment_name_length zero", getpid ());
786 a->segment_name = (char *) mp->segment_name;
787 a->segment_size = mp->segment_size;
789 ASSERT (mp->app_event_queue_address);
791 /* Attach to the segment vpp created */
792 rv = svm_fifo_segment_attach (a);
793 vec_reset_length (a->new_segment_indices);
794 if (PREDICT_FALSE (rv))
796 clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
797 getpid (), mp->segment_name);
801 vcm->app_event_queue =
802 uword_to_pointer (mp->app_event_queue_address, svm_queue_t *);
804 vcm->app_state = STATE_APP_ATTACHED;
808 vl_api_application_detach_reply_t_handler (vl_api_application_detach_reply_t *
812 clib_warning ("VCL<%d>: detach failed: %U", getpid (), format_api_error,
815 vcm->app_state = STATE_APP_ENABLED;
819 vl_api_disconnect_session_reply_t_handler (vl_api_disconnect_session_reply_t *
823 clib_warning ("VCL<%d>: vpp handle 0x%llx: disconnect session failed: %U",
824 getpid (), mp->handle, format_api_error,
829 vl_api_map_another_segment_t_handler (vl_api_map_another_segment_t * mp)
831 static svm_fifo_segment_create_args_t _a;
832 svm_fifo_segment_create_args_t *a = &_a;
835 memset (a, 0, sizeof (*a));
836 a->segment_name = (char *) mp->segment_name;
837 a->segment_size = mp->segment_size;
838 /* Attach to the segment vpp created */
839 rv = svm_fifo_segment_attach (a);
840 vec_reset_length (a->new_segment_indices);
841 if (PREDICT_FALSE (rv))
843 clib_warning ("VCL<%d>: svm_fifo_segment_attach ('%s') failed",
844 getpid (), mp->segment_name);
847 if (VPPCOM_DEBUG > 1)
848 clib_warning ("VCL<%d>: mapped new segment '%s' size %d", getpid (),
849 mp->segment_name, mp->segment_size);
853 vl_api_disconnect_session_t_handler (vl_api_disconnect_session_t * mp)
857 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
861 session_t *session = 0;
862 u32 session_index = p[0];
864 VCL_LOCK_AND_GET_SESSION (session_index, &session);
865 session->state = STATE_CLOSE_ON_EMPTY;
867 if (VPPCOM_DEBUG > 1)
868 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
869 "setting state to 0x%x (%s)",
870 getpid (), mp->handle, session_index, session->state,
871 vppcom_session_state_str (session->state));
872 clib_spinlock_unlock (&vcm->sessions_lockp);
876 if (VPPCOM_DEBUG > 1)
877 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
878 "session lookup failed!",
879 getpid (), mp->handle, session_index);
882 clib_warning ("VCL<%d>: vpp handle 0x%llx: session lookup by "
883 "handle failed!", getpid (), mp->handle);
887 vl_api_reset_session_t_handler (vl_api_reset_session_t * mp)
889 session_t *session = 0;
890 vl_api_reset_session_reply_t *rmp;
894 p = hash_get (vcm->session_index_by_vpp_handles, mp->handle);
898 clib_spinlock_lock (&vcm->sessions_lockp);
899 rval = vppcom_session_at_index (p[0], &session);
900 if (PREDICT_FALSE (rval))
902 rv = VNET_API_ERROR_INVALID_VALUE_2;
903 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
904 "session lookup failed! returning %d %U",
905 getpid (), mp->handle, p[0],
906 rv, format_api_error, rv);
910 /* TBD: should this disconnect immediately and
913 session->state = STATE_CLOSE_ON_EMPTY;
915 if (VPPCOM_DEBUG > 1)
916 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
917 "state set to %d (%s)!", getpid (),
918 mp->handle, p[0], session->state,
919 vppcom_session_state_str (session->state));
921 clib_spinlock_unlock (&vcm->sessions_lockp);
925 rv = VNET_API_ERROR_INVALID_VALUE;
926 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx: session lookup "
927 "failed! returning %d %U",
928 getpid (), mp->handle, rv, format_api_error, rv);
931 rmp = vl_msg_api_alloc (sizeof (*rmp));
932 memset (rmp, 0, sizeof (*rmp));
933 rmp->_vl_msg_id = ntohs (VL_API_RESET_SESSION_REPLY);
934 rmp->retval = htonl (rv);
935 rmp->handle = mp->handle;
936 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
940 vl_api_connect_session_reply_t_handler (vl_api_connect_session_reply_t * mp)
942 session_t *session = 0;
944 svm_fifo_t *rx_fifo, *tx_fifo;
948 session_index = mp->context;
949 VCL_LOCK_AND_GET_SESSION (session_index, &session);
953 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
954 "connect failed! %U",
955 getpid (), mp->handle, session_index,
956 format_api_error, ntohl (mp->retval));
959 session->state = STATE_FAILED;
960 session->vpp_handle = mp->handle;
964 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
965 "Invalid session index (%u)!",
966 getpid (), mp->handle, session_index);
974 /* We've been redirected */
975 if (mp->segment_name_length > 0)
977 static svm_fifo_segment_create_args_t _a;
978 svm_fifo_segment_create_args_t *a = &_a;
981 memset (a, 0, sizeof (*a));
982 a->segment_name = (char *) mp->segment_name;
983 if (VPPCOM_DEBUG > 1)
984 clib_warning ("VCL<%d>: cut-thru segment: %s\n",
985 getpid (), a->segment_name);
987 rv = svm_fifo_segment_attach (a);
988 vec_reset_length (a->new_segment_indices);
989 if (PREDICT_FALSE (rv))
991 clib_warning ("VCL<%d>: sm_fifo_segment_attach ('%s') failed",
992 getpid (), a->segment_name);
1000 session->is_cut_thru = is_cut_thru;
1001 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
1004 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1005 rx_fifo->client_session_index = session_index;
1006 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1007 tx_fifo->client_session_index = session_index;
1009 session->server_rx_fifo = rx_fifo;
1010 session->server_tx_fifo = tx_fifo;
1011 session->vpp_handle = mp->handle;
1012 session->lcl_addr.is_ip4 = mp->is_ip4;
1013 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1014 sizeof (session->peer_addr.ip46));
1015 session->lcl_port = mp->lcl_port;
1016 session->state = STATE_CONNECT;
1018 /* Add it to lookup table */
1019 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1021 if (VPPCOM_DEBUG > 1)
1022 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect succeeded!"
1023 " session_rx_fifo %p, refcnt %d,"
1024 " session_tx_fifo %p, refcnt %d",
1025 getpid (), mp->handle, session_index,
1026 session->server_rx_fifo,
1027 session->server_rx_fifo->refcnt,
1028 session->server_tx_fifo, session->server_tx_fifo->refcnt);
1030 clib_spinlock_unlock (&vcm->sessions_lockp);
1034 vppcom_send_connect_sock (session_t * session, u32 session_index)
1036 vl_api_connect_sock_t *cmp;
1038 /* Assumes caller as acquired the spinlock: vcm->sessions_lockp */
1039 session->is_server = 0;
1040 cmp = vl_msg_api_alloc (sizeof (*cmp));
1041 memset (cmp, 0, sizeof (*cmp));
1042 cmp->_vl_msg_id = ntohs (VL_API_CONNECT_SOCK);
1043 cmp->client_index = vcm->my_client_index;
1044 cmp->context = session_index;
1046 cmp->vrf = session->vrf;
1047 cmp->is_ip4 = session->peer_addr.is_ip4;
1048 clib_memcpy (cmp->ip, &session->peer_addr.ip46, sizeof (cmp->ip));
1049 cmp->port = session->peer_port;
1050 cmp->proto = session->proto;
1051 clib_memcpy (cmp->options, session->options, sizeof (cmp->options));
1052 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & cmp);
1056 vppcom_send_disconnect_session_reply (u64 vpp_handle, u32 session_index,
1059 vl_api_disconnect_session_reply_t *rmp;
1061 if (VPPCOM_DEBUG > 1)
1062 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1063 "sending disconnect msg",
1064 getpid (), vpp_handle, session_index);
1066 rmp = vl_msg_api_alloc (sizeof (*rmp));
1067 memset (rmp, 0, sizeof (*rmp));
1069 rmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION_REPLY);
1070 rmp->retval = htonl (rv);
1071 rmp->handle = vpp_handle;
1072 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1076 vppcom_send_disconnect_session (u64 vpp_handle, u32 session_index)
1078 vl_api_disconnect_session_t *dmp;
1080 if (VPPCOM_DEBUG > 1)
1081 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1082 "sending disconnect msg",
1083 getpid (), vpp_handle, session_index);
1085 dmp = vl_msg_api_alloc (sizeof (*dmp));
1086 memset (dmp, 0, sizeof (*dmp));
1087 dmp->_vl_msg_id = ntohs (VL_API_DISCONNECT_SESSION);
1088 dmp->client_index = vcm->my_client_index;
1089 dmp->handle = vpp_handle;
1090 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & dmp);
1094 vl_api_bind_sock_reply_t_handler (vl_api_bind_sock_reply_t * mp)
1096 session_t *session = 0;
1097 u32 session_index = mp->context;
1100 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1104 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, "
1105 "sid %u: bind failed: %U",
1106 getpid (), mp->handle, session_index,
1107 format_api_error, ntohl (mp->retval));
1108 rv = vppcom_session_at_index (session_index, &session);
1109 if (rv == VPPCOM_OK)
1111 session->state = STATE_FAILED;
1112 session->vpp_handle = mp->handle;
1116 clib_warning ("[%s] ERROR: vpp handle 0x%llx, sid %u: "
1117 "Invalid session index (%u)!",
1118 getpid (), mp->handle, session_index);
1123 session->vpp_handle = mp->handle;
1124 session->lcl_addr.is_ip4 = mp->lcl_is_ip4;
1125 clib_memcpy (&session->lcl_addr.ip46, mp->lcl_ip,
1126 sizeof (session->peer_addr.ip46));
1127 session->lcl_port = mp->lcl_port;
1128 vppcom_session_table_add_listener (mp->handle, session_index);
1129 session->is_listen = 1;
1130 session->state = STATE_LISTEN;
1132 if (VPPCOM_DEBUG > 1)
1133 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind succeeded!",
1134 getpid (), mp->handle, mp->context);
1136 clib_spinlock_unlock (&vcm->sessions_lockp);
1140 vl_api_unbind_sock_reply_t_handler (vl_api_unbind_sock_reply_t * mp)
1143 clib_warning ("VCL<%d>: ERROR: sid %u: unbind failed: %U",
1144 getpid (), mp->context, format_api_error,
1145 ntohl (mp->retval));
1147 else if (VPPCOM_DEBUG > 1)
1148 clib_warning ("VCL<%d>: sid %u: unbind succeeded!",
1149 getpid (), mp->context);
1153 format_ip4_address (u8 * s, va_list * args)
1155 u8 *a = va_arg (*args, u8 *);
1156 return format (s, "%d.%d.%d.%d", a[0], a[1], a[2], a[3]);
1160 format_ip6_address (u8 * s, va_list * args)
1162 ip6_address_t *a = va_arg (*args, ip6_address_t *);
1163 u32 i, i_max_n_zero, max_n_zeros, i_first_zero, n_zeros, last_double_colon;
1165 i_max_n_zero = ARRAY_LEN (a->as_u16);
1167 i_first_zero = i_max_n_zero;
1169 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1171 u32 is_zero = a->as_u16[i] == 0;
1172 if (is_zero && i_first_zero >= ARRAY_LEN (a->as_u16))
1178 if ((!is_zero && n_zeros > max_n_zeros)
1179 || (i + 1 >= ARRAY_LEN (a->as_u16) && n_zeros > max_n_zeros))
1181 i_max_n_zero = i_first_zero;
1182 max_n_zeros = n_zeros;
1183 i_first_zero = ARRAY_LEN (a->as_u16);
1188 last_double_colon = 0;
1189 for (i = 0; i < ARRAY_LEN (a->as_u16); i++)
1191 if (i == i_max_n_zero && max_n_zeros > 1)
1193 s = format (s, "::");
1194 i += max_n_zeros - 1;
1195 last_double_colon = 1;
1199 s = format (s, "%s%x",
1200 (last_double_colon || i == 0) ? "" : ":",
1201 clib_net_to_host_u16 (a->as_u16[i]));
1202 last_double_colon = 0;
1209 /* Format an IP46 address. */
1211 format_ip46_address (u8 * s, va_list * args)
1213 ip46_address_t *ip46 = va_arg (*args, ip46_address_t *);
1214 ip46_type_t type = va_arg (*args, ip46_type_t);
1220 is_ip4 = ip46_address_is_ip4 (ip46);
1231 format (s, "%U", format_ip4_address, &ip46->ip4) :
1232 format (s, "%U", format_ip6_address, &ip46->ip6);
1236 vppcom_send_accept_session_reply (u64 handle, u32 context, int retval)
1238 vl_api_accept_session_reply_t *rmp;
1240 rmp = vl_msg_api_alloc (sizeof (*rmp));
1241 memset (rmp, 0, sizeof (*rmp));
1242 rmp->_vl_msg_id = ntohs (VL_API_ACCEPT_SESSION_REPLY);
1243 rmp->retval = htonl (retval);
1244 rmp->context = context;
1245 rmp->handle = handle;
1246 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1250 vl_api_accept_session_t_handler (vl_api_accept_session_t * mp)
1252 svm_fifo_t *rx_fifo, *tx_fifo;
1253 session_t *session, *listen_session;
1256 clib_spinlock_lock (&vcm->sessions_lockp);
1257 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1259 clib_warning ("VCL<%d>: client session queue is full!", getpid ());
1260 vppcom_send_accept_session_reply (mp->handle, mp->context,
1261 VNET_API_ERROR_QUEUE_FULL);
1262 clib_spinlock_unlock (&vcm->sessions_lockp);
1266 listen_session = vppcom_session_table_lookup_listener (mp->listener_handle);
1267 if (!listen_session)
1269 clib_warning ("VCL<%d>: ERROR: couldn't find listen session: "
1270 "unknown vpp listener handle %llx",
1271 getpid (), mp->listener_handle);
1272 clib_spinlock_unlock (&vcm->sessions_lockp);
1276 /* Allocate local session and set it up */
1277 pool_get (vcm->sessions, session);
1278 memset (session, 0, sizeof (*session));
1279 session_index = session - vcm->sessions;
1281 rx_fifo = uword_to_pointer (mp->server_rx_fifo, svm_fifo_t *);
1282 rx_fifo->client_session_index = session_index;
1283 tx_fifo = uword_to_pointer (mp->server_tx_fifo, svm_fifo_t *);
1284 tx_fifo->client_session_index = session_index;
1286 session->vpp_handle = mp->handle;
1287 session->client_context = mp->context;
1288 session->server_rx_fifo = rx_fifo;
1289 session->server_tx_fifo = tx_fifo;
1290 session->vpp_event_queue = uword_to_pointer (mp->vpp_event_queue_address,
1292 session->state = STATE_ACCEPT;
1293 session->is_cut_thru = 0;
1294 session->is_server = 1;
1295 session->peer_port = mp->port;
1296 session->peer_addr.is_ip4 = mp->is_ip4;
1297 clib_memcpy (&session->peer_addr.ip46, mp->ip,
1298 sizeof (session->peer_addr.ip46));
1300 /* Add it to lookup table */
1301 hash_set (vcm->session_index_by_vpp_handles, mp->handle, session_index);
1302 session->lcl_port = listen_session->lcl_port;
1303 session->lcl_addr = listen_session->lcl_addr;
1305 /* TBD: move client_session_index_fifo into listener session */
1306 clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
1308 clib_spinlock_unlock (&vcm->sessions_lockp);
1310 if (VPPCOM_DEBUG > 1)
1311 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client accept "
1312 "request from %s address %U port %d queue %p!", getpid (),
1313 mp->handle, session_index, mp->is_ip4 ? "IPv4" : "IPv6",
1314 format_ip46_address, &mp->ip, mp->is_ip4,
1315 clib_net_to_host_u16 (mp->port), session->vpp_event_queue);
1317 if (VPPCOM_DEBUG > 0)
1319 session->elog_track.name =
1320 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
1322 elog_track_register (&vcm->elog_main, &session->elog_track);
1324 if (session->peer_addr.is_ip4)
1327 ELOG_TYPE_DECLARE (e) =
1330 "client_accept:handle:%x addr:%d.%d.%d.%d:%d",
1331 .format_args = "i8i1i1i1i1i2",
1334 CLIB_PACKED (struct {
1340 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1342 ed->handle = mp->handle;
1343 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
1344 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
1345 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
1346 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
1347 ed->port = clib_net_to_host_u16 (session->peer_port);
1352 clib_warning ("ip6");
1359 vppcom_send_connect_session_reply (session_t * session, u32 session_index,
1360 u64 vpp_handle, u32 context, int retval)
1362 vl_api_connect_session_reply_t *rmp;
1364 svm_queue_t *client_q;
1366 rmp = vl_msg_api_alloc (sizeof (*rmp));
1367 memset (rmp, 0, sizeof (*rmp));
1368 rmp->_vl_msg_id = ntohs (VL_API_CONNECT_SESSION_REPLY);
1372 rmp->context = context;
1373 rmp->handle = vpp_handle;
1374 rmp->retval = htonl (retval);
1375 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & rmp);
1379 rmp->context = session->client_context;
1380 rmp->retval = htonl (retval);
1381 rmp->handle = session->vpp_handle;
1382 rmp->server_rx_fifo = pointer_to_uword (session->server_rx_fifo);
1383 rmp->server_tx_fifo = pointer_to_uword (session->server_tx_fifo);
1384 rmp->vpp_event_queue_address = pointer_to_uword (session->vpp_event_queue);
1385 rmp->segment_size = vcm->cfg.segment_size;
1386 len = vec_len (session->segment_name);
1387 rmp->segment_name_length = clib_min (len, sizeof (rmp->segment_name));
1388 clib_memcpy (rmp->segment_name, session->segment_name,
1389 rmp->segment_name_length - 1);
1390 clib_memcpy (rmp->lcl_ip, session->peer_addr.ip46.as_u8,
1391 sizeof (rmp->lcl_ip));
1392 rmp->is_ip4 = session->peer_addr.is_ip4;
1393 rmp->lcl_port = session->peer_port;
1394 client_q = uword_to_pointer (session->client_queue_address, svm_queue_t *);
1396 vl_msg_api_send_shmem (client_q, (u8 *) & rmp);
1400 * Acting as server for redirected connect requests
1403 vl_api_connect_sock_t_handler (vl_api_connect_sock_t * mp)
1406 session_t *session = 0;
1408 clib_spinlock_lock (&vcm->sessions_lockp);
1409 if (!clib_fifo_free_elts (vcm->client_session_index_fifo))
1411 clib_spinlock_unlock (&vcm->sessions_lockp);
1413 if (VPPCOM_DEBUG > 1)
1414 clib_warning ("VCL<%d>: client session queue is full!", getpid ());
1416 /* TBD: Fix api to include vpp handle */
1417 vppcom_send_connect_session_reply (0 /* session */ , 0 /* sid */ ,
1418 0 /* handle */ , mp->context,
1419 VNET_API_ERROR_QUEUE_FULL);
1423 pool_get (vcm->sessions, session);
1424 memset (session, 0, sizeof (*session));
1425 session_index = session - vcm->sessions;
1427 session->client_context = mp->context;
1428 session->vpp_handle = session_index;
1429 session->client_queue_address = mp->client_queue_address;
1430 session->is_cut_thru = 1;
1431 session->is_server = 1;
1432 session->lcl_port = mp->port;
1433 session->lcl_addr.is_ip4 = mp->is_ip4;
1434 clib_memcpy (&session->lcl_addr.ip46, mp->ip,
1435 sizeof (session->lcl_addr.ip46));
1437 /* TBD: missing peer info in api msg.
1439 session->peer_addr.is_ip4 = mp->is_ip4;
1440 ASSERT (session->lcl_addr.is_ip4 == session->peer_addr.is_ip4);
1442 session->state = STATE_ACCEPT;
1443 clib_fifo_add1 (vcm->client_session_index_fifo, session_index);
1444 if (VPPCOM_DEBUG > 1)
1445 clib_warning ("VCL<%d>: sid %u: Got a cut-thru connect request! "
1446 "clib_fifo_elts %u!\n", getpid (), session_index,
1447 clib_fifo_elts (vcm->client_session_index_fifo));
1449 if (VPPCOM_DEBUG > 0)
1451 session->elog_track.name =
1452 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
1454 elog_track_register (&vcm->elog_main, &session->elog_track);
1457 ELOG_TYPE_DECLARE (e) =
1459 .format = "cut-thru-connect:S:%d clib_fifo_elts:%d",
1460 .format_args = "i4i4",
1468 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1470 ed->data[0] = session_index;
1471 ed->data[1] = clib_fifo_elts (vcm->client_session_index_fifo);
1475 clib_spinlock_unlock (&vcm->sessions_lockp);
1479 vppcom_send_bind_sock (session_t * session, u32 session_index)
1481 vl_api_bind_sock_t *bmp;
1483 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
1484 session->is_server = 1;
1485 bmp = vl_msg_api_alloc (sizeof (*bmp));
1486 memset (bmp, 0, sizeof (*bmp));
1488 bmp->_vl_msg_id = ntohs (VL_API_BIND_SOCK);
1489 bmp->client_index = vcm->my_client_index;
1490 bmp->context = session_index;
1491 bmp->vrf = session->vrf;
1492 bmp->is_ip4 = session->lcl_addr.is_ip4;
1493 clib_memcpy (bmp->ip, &session->lcl_addr.ip46, sizeof (bmp->ip));
1494 bmp->port = session->lcl_port;
1495 bmp->proto = session->proto;
1496 clib_memcpy (bmp->options, session->options, sizeof (bmp->options));
1497 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & bmp);
1501 vppcom_send_unbind_sock (u64 vpp_handle)
1503 vl_api_unbind_sock_t *ump;
1505 ump = vl_msg_api_alloc (sizeof (*ump));
1506 memset (ump, 0, sizeof (*ump));
1508 ump->_vl_msg_id = ntohs (VL_API_UNBIND_SOCK);
1509 ump->client_index = vcm->my_client_index;
1510 ump->handle = vpp_handle;
1511 vl_msg_api_send_shmem (vcm->vl_input_queue, (u8 *) & ump);
1515 vppcom_session_unbind (u32 session_index)
1517 session_t *session = 0;
1521 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1523 vpp_handle = session->vpp_handle;
1524 vppcom_session_table_del_listener (vpp_handle);
1525 session->vpp_handle = ~0;
1526 session->state = STATE_DISCONNECT;
1528 clib_spinlock_unlock (&vcm->sessions_lockp);
1530 if (VPPCOM_DEBUG > 1)
1531 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1532 "sending unbind msg! new state 0x%x (%s)",
1533 getpid (), vpp_handle, session_index,
1534 session->state, vppcom_session_state_str (session->state));
1536 if (VPPCOM_DEBUG > 0)
1539 ELOG_TYPE_DECLARE (e) =
1541 .format = "unbind: handle:%x",
1542 .format_args = "i8",
1550 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
1551 ed->handle = vpp_handle;
1554 vppcom_send_unbind_sock (vpp_handle);
1561 vppcom_session_disconnect (u32 session_index)
1565 u8 is_cut_thru, is_listen, is_server;
1567 session_state_t state;
1569 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1571 vpp_handle = session->vpp_handle;
1572 is_server = session->is_server;
1573 is_listen = session->is_listen;
1574 is_cut_thru = session->is_cut_thru;
1575 state = session->state;
1576 clib_spinlock_unlock (&vcm->sessions_lockp);
1578 if (VPPCOM_DEBUG > 1)
1580 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s "
1581 "state 0x%x (%s), is_cut_thru %d, is_listen %d",
1582 getpid (), vpp_handle, session_index,
1583 is_server ? "server" : "client",
1584 state, vppcom_session_state_str (state),
1585 is_cut_thru, is_listen);
1588 if (PREDICT_FALSE (is_listen))
1590 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
1591 "Cannot disconnect a listen socket!",
1592 getpid (), vpp_handle, session_index);
1597 /* Through the VPP host stack...
1599 else if (!is_cut_thru)
1601 /* The peer has already initiated the close,
1602 * so send the disconnect session reply.
1604 if (state & STATE_CLOSE_ON_EMPTY)
1606 vppcom_send_disconnect_session_reply (vpp_handle,
1607 session_index, 0 /* rv */ );
1608 if (VPPCOM_DEBUG > 1)
1609 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1610 "sending disconnect REPLY...",
1611 getpid (), vpp_handle, session_index);
1614 /* Otherwise, send a disconnect session msg...
1618 if (VPPCOM_DEBUG > 1)
1619 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
1620 "sending disconnect...",
1621 getpid (), vpp_handle, session_index);
1623 vppcom_send_disconnect_session (vpp_handle, session_index);
1627 /* Cut-thru connections...
1629 * server: free fifos and segment allocated during connect/redirect
1630 * client: no cleanup required
1636 svm_fifo_segment_private_t *seg;
1638 VCL_LOCK_AND_GET_SESSION (session_index, &session);
1640 if (VPPCOM_DEBUG > 1)
1641 clib_warning ("VCL<%d>: sid %d: freeing cut-thru fifos in "
1643 " server_rx_fifo %p, refcnt = %d"
1644 " server_tx_fifo %p, refcnt = %d",
1645 getpid (), session_index, session->sm_seg_index,
1646 session->server_rx_fifo,
1647 session->server_rx_fifo->refcnt,
1648 session->server_tx_fifo,
1649 session->server_tx_fifo->refcnt);
1651 seg = svm_fifo_segment_get_segment (session->sm_seg_index);
1652 svm_fifo_segment_free_fifo (seg, session->server_rx_fifo,
1653 FIFO_SEGMENT_RX_FREELIST);
1654 svm_fifo_segment_free_fifo (seg, session->server_tx_fifo,
1655 FIFO_SEGMENT_TX_FREELIST);
1656 svm_fifo_segment_delete (seg);
1658 /* TBD: Send cut-thru disconnect event to client */
1660 clib_spinlock_unlock (&vcm->sessions_lockp);
1664 /* TBD: Send cut-thru disconnect event to server */
1672 #define foreach_sock_msg \
1673 _(SESSION_ENABLE_DISABLE_REPLY, session_enable_disable_reply) \
1674 _(BIND_SOCK_REPLY, bind_sock_reply) \
1675 _(UNBIND_SOCK_REPLY, unbind_sock_reply) \
1676 _(ACCEPT_SESSION, accept_session) \
1677 _(CONNECT_SOCK, connect_sock) \
1678 _(CONNECT_SESSION_REPLY, connect_session_reply) \
1679 _(DISCONNECT_SESSION, disconnect_session) \
1680 _(DISCONNECT_SESSION_REPLY, disconnect_session_reply) \
1681 _(RESET_SESSION, reset_session) \
1682 _(APPLICATION_ATTACH_REPLY, application_attach_reply) \
1683 _(APPLICATION_DETACH_REPLY, application_detach_reply) \
1684 _(MAP_ANOTHER_SEGMENT, map_another_segment)
1687 vppcom_api_hookup (void)
1690 vl_msg_api_set_handlers(VL_API_##N, #n, \
1691 vl_api_##n##_t_handler, \
1693 vl_api_##n##_t_endian, \
1694 vl_api_##n##_t_print, \
1695 sizeof(vl_api_##n##_t), 1);
1701 vppcom_cfg_init (vppcom_cfg_t * vcl_cfg)
1705 vcl_cfg->heapsize = (256ULL << 20);
1706 vcl_cfg->vpp_api_q_length = 1024;
1707 vcl_cfg->segment_baseva = 0x200000000ULL;
1708 vcl_cfg->segment_size = (256 << 20);
1709 vcl_cfg->add_segment_size = (128 << 20);
1710 vcl_cfg->preallocated_fifo_pairs = 8;
1711 vcl_cfg->rx_fifo_size = (1 << 20);
1712 vcl_cfg->tx_fifo_size = (1 << 20);
1713 vcl_cfg->event_queue_size = 2048;
1714 vcl_cfg->listen_queue_size = CLIB_CACHE_LINE_BYTES / sizeof (u32);
1715 vcl_cfg->app_timeout = 10 * 60.0;
1716 vcl_cfg->session_timeout = 10 * 60.0;
1717 vcl_cfg->accept_timeout = 60.0;
1718 vcl_cfg->event_ring_size = (128 << 10);
1719 vcl_cfg->event_log_path = "/dev/shm";
1723 vppcom_cfg_heapsize (char *conf_fname)
1725 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1738 fp = fopen (conf_fname, "r");
1741 if (VPPCOM_DEBUG > 0)
1742 fprintf (stderr, "open configuration file '%s' failed\n", conf_fname);
1745 argv = calloc (1, sizeof (char *));
1751 if (fgets (inbuf, 4096, fp) == 0)
1753 p = strtok (inbuf, " \t\n");
1759 char **tmp = realloc (argv, argc * sizeof (char *));
1763 arg = strndup (p, 1024);
1766 argv[argc - 1] = arg;
1767 p = strtok (NULL, " \t\n");
1774 char **tmp = realloc (argv, (argc + 1) * sizeof (char *));
1781 * Look for and parse the "heapsize" config parameter.
1782 * Manual since none of the clib infra has been bootstrapped yet.
1784 * Format: heapsize <nn>[mM][gG]
1787 for (i = 1; i < (argc - 1); i++)
1789 if (!strncmp (argv[i], "heapsize", 8))
1791 sizep = (u8 *) argv[i + 1];
1793 while (*sizep >= '0' && *sizep <= '9')
1796 size += *sizep++ - '0';
1800 if (VPPCOM_DEBUG > 0)
1801 clib_warning ("VCL<%d>: parse error '%s %s', "
1802 "using default heapsize %lld (0x%llx)",
1803 getpid (), argv[i], argv[i + 1],
1804 vcl_cfg->heapsize, vcl_cfg->heapsize);
1808 if (*sizep == 'g' || *sizep == 'G')
1809 vcl_cfg->heapsize = size << 30;
1810 else if (*sizep == 'm' || *sizep == 'M')
1811 vcl_cfg->heapsize = size << 20;
1814 if (VPPCOM_DEBUG > 0)
1815 clib_warning ("VCL<%d>: parse error '%s %s', "
1816 "using default heapsize %lld (0x%llx)",
1817 getpid (), argv[i], argv[i + 1],
1818 vcl_cfg->heapsize, vcl_cfg->heapsize);
1830 vcl_mem = mmap (0, vcl_cfg->heapsize, PROT_READ | PROT_WRITE,
1831 MAP_SHARED | MAP_ANONYMOUS, -1, 0);
1832 if (vcl_mem == MAP_FAILED)
1834 clib_unix_error ("VCL<%d>: ERROR: mmap(0, %lld == 0x%llx, "
1835 "PROT_READ | PROT_WRITE,MAP_SHARED | MAP_ANONYMOUS, "
1837 getpid (), vcl_cfg->heapsize, vcl_cfg->heapsize);
1840 heap = clib_mem_init (vcl_mem, vcl_cfg->heapsize);
1843 clib_warning ("VCL<%d>: ERROR: clib_mem_init() failed!", getpid ());
1846 vcl_mem = clib_mem_alloc (sizeof (_vppcom_main));
1849 clib_warning ("VCL<%d>: ERROR: clib_mem_alloc() failed!", getpid ());
1853 clib_memcpy (vcl_mem, &_vppcom_main, sizeof (_vppcom_main));
1856 if (VPPCOM_DEBUG > 0)
1857 clib_warning ("VCL<%d>: allocated VCL heap = %p, size %lld (0x%llx)",
1858 getpid (), heap, vcl_cfg->heapsize, vcl_cfg->heapsize);
1862 vppcom_cfg_read (char *conf_fname)
1864 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
1866 unformat_input_t _input, *input = &_input;
1867 unformat_input_t _line_input, *line_input = &_line_input;
1868 u8 vc_cfg_input = 0;
1871 u32 uid, gid, q_len;
1873 fd = open (conf_fname, O_RDONLY);
1876 if (VPPCOM_DEBUG > 0)
1877 clib_warning ("VCL<%d>: open configuration file '%s' failed!",
1878 getpid (), conf_fname);
1882 if (fstat (fd, &s) < 0)
1884 if (VPPCOM_DEBUG > 0)
1885 clib_warning ("VCL<%d>: failed to stat `%s'", getpid (), conf_fname);
1889 if (!(S_ISREG (s.st_mode) || S_ISLNK (s.st_mode)))
1891 if (VPPCOM_DEBUG > 0)
1892 clib_warning ("VCL<%d>: not a regular file `%s'",
1893 getpid (), conf_fname);
1897 unformat_init_clib_file (input, fd);
1899 while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
1901 (void) unformat_user (input, unformat_line_input, line_input);
1902 unformat_skip_white_space (line_input);
1904 if (unformat (line_input, "vcl {"))
1912 if (unformat (line_input, "heapsize %s", &chroot_path))
1914 vec_terminate_c_string (chroot_path);
1915 if (VPPCOM_DEBUG > 0)
1916 clib_warning ("VCL<%d>: configured heapsize %s, "
1917 "actual heapsize %lld (0x%llx)",
1918 getpid (), chroot_path, vcl_cfg->heapsize,
1920 vec_free (chroot_path);
1922 else if (unformat (line_input, "api-prefix %s", &chroot_path))
1924 vec_terminate_c_string (chroot_path);
1925 vl_set_memory_root_path ((char *) chroot_path);
1926 if (VPPCOM_DEBUG > 0)
1927 clib_warning ("VCL<%d>: configured api-prefix %s",
1928 getpid (), chroot_path);
1929 chroot_path = 0; /* Don't vec_free() it! */
1931 else if (unformat (line_input, "vpp-api-q-length %d", &q_len))
1933 if (q_len < vcl_cfg->vpp_api_q_length)
1935 clib_warning ("VCL<%d>: ERROR: configured vpp-api-q-length "
1936 "(%u) is too small! Using default: %u ",
1937 getpid (), q_len, vcl_cfg->vpp_api_q_length);
1941 vcl_cfg->vpp_api_q_length = q_len;
1943 if (VPPCOM_DEBUG > 0)
1944 clib_warning ("VCL<%d>: configured vpp-api-q-length %u",
1945 getpid (), vcl_cfg->vpp_api_q_length);
1948 else if (unformat (line_input, "uid %d", &uid))
1950 vl_set_memory_uid (uid);
1951 if (VPPCOM_DEBUG > 0)
1952 clib_warning ("VCL<%d>: configured uid %d", getpid (), uid);
1954 else if (unformat (line_input, "gid %d", &gid))
1956 vl_set_memory_gid (gid);
1957 if (VPPCOM_DEBUG > 0)
1958 clib_warning ("VCL<%d>: configured gid %d", getpid (), gid);
1960 else if (unformat (line_input, "segment-baseva 0x%lx",
1961 &vcl_cfg->segment_baseva))
1963 if (VPPCOM_DEBUG > 0)
1964 clib_warning ("VCL<%d>: configured segment_baseva 0x%lx",
1965 getpid (), vcl_cfg->segment_baseva);
1967 else if (unformat (line_input, "segment-size 0x%lx",
1968 &vcl_cfg->segment_size))
1970 if (VPPCOM_DEBUG > 0)
1971 clib_warning ("VCL<%d>: configured segment_size 0x%lx (%ld)",
1972 getpid (), vcl_cfg->segment_size,
1973 vcl_cfg->segment_size);
1975 else if (unformat (line_input, "segment-size %ld",
1976 &vcl_cfg->segment_size))
1978 if (VPPCOM_DEBUG > 0)
1979 clib_warning ("VCL<%d>: configured segment_size %ld (0x%lx)",
1980 getpid (), vcl_cfg->segment_size,
1981 vcl_cfg->segment_size);
1983 else if (unformat (line_input, "add-segment-size 0x%lx",
1984 &vcl_cfg->add_segment_size))
1986 if (VPPCOM_DEBUG > 0)
1988 ("VCL<%d>: configured add_segment_size 0x%lx (%ld)",
1989 getpid (), vcl_cfg->add_segment_size,
1990 vcl_cfg->add_segment_size);
1992 else if (unformat (line_input, "add-segment-size %ld",
1993 &vcl_cfg->add_segment_size))
1995 if (VPPCOM_DEBUG > 0)
1997 ("VCL<%d>: configured add_segment_size %ld (0x%lx)",
1998 getpid (), vcl_cfg->add_segment_size,
1999 vcl_cfg->add_segment_size);
2001 else if (unformat (line_input, "preallocated-fifo-pairs %d",
2002 &vcl_cfg->preallocated_fifo_pairs))
2004 if (VPPCOM_DEBUG > 0)
2005 clib_warning ("VCL<%d>: configured preallocated_fifo_pairs "
2006 "%d (0x%x)", getpid (),
2007 vcl_cfg->preallocated_fifo_pairs,
2008 vcl_cfg->preallocated_fifo_pairs);
2010 else if (unformat (line_input, "rx-fifo-size 0x%lx",
2011 &vcl_cfg->rx_fifo_size))
2013 if (VPPCOM_DEBUG > 0)
2014 clib_warning ("VCL<%d>: configured rx_fifo_size 0x%lx (%ld)",
2015 getpid (), vcl_cfg->rx_fifo_size,
2016 vcl_cfg->rx_fifo_size);
2018 else if (unformat (line_input, "rx-fifo-size %ld",
2019 &vcl_cfg->rx_fifo_size))
2021 if (VPPCOM_DEBUG > 0)
2022 clib_warning ("VCL<%d>: configured rx_fifo_size %ld (0x%lx)",
2023 getpid (), vcl_cfg->rx_fifo_size,
2024 vcl_cfg->rx_fifo_size);
2026 else if (unformat (line_input, "tx-fifo-size 0x%lx",
2027 &vcl_cfg->tx_fifo_size))
2029 if (VPPCOM_DEBUG > 0)
2030 clib_warning ("VCL<%d>: configured tx_fifo_size 0x%lx (%ld)",
2031 getpid (), vcl_cfg->tx_fifo_size,
2032 vcl_cfg->tx_fifo_size);
2034 else if (unformat (line_input, "tx-fifo-size %ld",
2035 &vcl_cfg->tx_fifo_size))
2037 if (VPPCOM_DEBUG > 0)
2038 clib_warning ("VCL<%d>: configured tx_fifo_size %ld (0x%lx)",
2039 getpid (), vcl_cfg->tx_fifo_size,
2040 vcl_cfg->tx_fifo_size);
2042 else if (unformat (line_input, "event-queue-size 0x%lx",
2043 &vcl_cfg->event_queue_size))
2045 if (VPPCOM_DEBUG > 0)
2046 clib_warning ("VCL<%d>: configured event_queue_size "
2048 getpid (), vcl_cfg->event_queue_size,
2049 vcl_cfg->event_queue_size);
2051 else if (unformat (line_input, "event-queue-size %ld",
2052 &vcl_cfg->event_queue_size))
2054 if (VPPCOM_DEBUG > 0)
2055 clib_warning ("VCL<%d>: configured event_queue_size "
2057 getpid (), vcl_cfg->event_queue_size,
2058 vcl_cfg->event_queue_size);
2060 else if (unformat (line_input, "listen-queue-size 0x%lx",
2061 &vcl_cfg->listen_queue_size))
2063 if (VPPCOM_DEBUG > 0)
2064 clib_warning ("VCL<%d>: configured listen_queue_size "
2066 getpid (), vcl_cfg->listen_queue_size,
2067 vcl_cfg->listen_queue_size);
2069 else if (unformat (line_input, "listen-queue-size %ld",
2070 &vcl_cfg->listen_queue_size))
2072 if (VPPCOM_DEBUG > 0)
2073 clib_warning ("VCL<%d>: configured listen_queue_size "
2075 getpid (), vcl_cfg->listen_queue_size,
2076 vcl_cfg->listen_queue_size);
2078 else if (unformat (line_input, "app-timeout %f",
2079 &vcl_cfg->app_timeout))
2081 if (VPPCOM_DEBUG > 0)
2082 clib_warning ("VCL<%d>: configured app_timeout %f",
2083 getpid (), vcl_cfg->app_timeout);
2085 else if (unformat (line_input, "session-timeout %f",
2086 &vcl_cfg->session_timeout))
2088 if (VPPCOM_DEBUG > 0)
2089 clib_warning ("VCL<%d>: configured session_timeout %f",
2090 getpid (), vcl_cfg->session_timeout);
2092 else if (unformat (line_input, "accept-timeout %f",
2093 &vcl_cfg->accept_timeout))
2095 if (VPPCOM_DEBUG > 0)
2096 clib_warning ("VCL<%d>: configured accept_timeout %f",
2097 getpid (), vcl_cfg->accept_timeout);
2099 else if (unformat (line_input, "app-proxy-transport-tcp"))
2101 vcl_cfg->app_proxy_transport_tcp = 1;
2102 if (VPPCOM_DEBUG > 0)
2103 clib_warning ("VCL<%d>: configured "
2104 "app_proxy_transport_tcp (%d)",
2105 getpid (), vcl_cfg->app_proxy_transport_tcp);
2107 else if (unformat (line_input, "app-proxy-transport-udp"))
2109 vcl_cfg->app_proxy_transport_udp = 1;
2110 if (VPPCOM_DEBUG > 0)
2111 clib_warning ("VCL<%d>: configured "
2112 "app_proxy_transport_udp (%d)",
2113 getpid (), vcl_cfg->app_proxy_transport_udp);
2115 else if (unformat (line_input, "app-scope-local"))
2117 vcl_cfg->app_scope_local = 1;
2118 if (VPPCOM_DEBUG > 0)
2119 clib_warning ("VCL<%d>: configured app_scope_local (%d)",
2120 getpid (), vcl_cfg->app_scope_local);
2122 else if (unformat (line_input, "app-scope-global"))
2124 vcl_cfg->app_scope_global = 1;
2125 if (VPPCOM_DEBUG > 0)
2126 clib_warning ("VCL<%d>: configured app_scope_global (%d)",
2127 getpid (), vcl_cfg->app_scope_global);
2129 else if (unformat (line_input, "namespace-secret %lu",
2130 &vcl_cfg->namespace_secret))
2132 if (VPPCOM_DEBUG > 0)
2134 ("VCL<%d>: configured namespace_secret %lu (0x%lx)",
2135 getpid (), vcl_cfg->namespace_secret,
2136 vcl_cfg->namespace_secret);
2138 else if (unformat (line_input, "namespace-id %v",
2139 &vcl_cfg->namespace_id))
2141 vl_api_application_attach_t *mp;
2142 u32 max_nsid_vec_len = sizeof (mp->namespace_id) - 1;
2143 u32 nsid_vec_len = vec_len (vcl_cfg->namespace_id);
2144 if (nsid_vec_len > max_nsid_vec_len)
2146 _vec_len (vcl_cfg->namespace_id) = max_nsid_vec_len;
2147 if (VPPCOM_DEBUG > 0)
2148 clib_warning ("VCL<%d>: configured namespace_id is "
2149 "too long, truncated to %d characters!",
2150 getpid (), max_nsid_vec_len);
2153 if (VPPCOM_DEBUG > 0)
2154 clib_warning ("VCL<%d>: configured namespace_id %v",
2155 getpid (), vcl_cfg->namespace_id);
2157 else if (unformat (line_input, "}"))
2160 if (VPPCOM_DEBUG > 0)
2161 clib_warning ("VCL<%d>: completed parsing vppcom config!",
2167 if (line_input->buffer[line_input->index] != '#')
2169 clib_warning ("VCL<%d>: Unknown vppcom config option: '%s'",
2171 &line_input->buffer[line_input->index]);
2178 unformat_free (input);
2186 * VPPCOM Public API functions
2189 vppcom_app_create (char *app_name)
2191 vppcom_cfg_t *vcl_cfg = &vcm->cfg;
2202 vppcom_cfg_init (vcl_cfg);
2203 env_var_str = getenv (VPPCOM_ENV_DEBUG);
2207 if (sscanf (env_var_str, "%u", &tmp) != 1)
2208 clib_warning ("VCL<%d>: Invalid debug level specified in "
2209 "the environment variable "
2211 " (%s)!\n", getpid (), env_var_str);
2215 clib_warning ("VCL<%d>: configured VCL debug level (%u) from "
2216 VPPCOM_ENV_DEBUG "!", getpid (), vcm->debug);
2219 conf_fname = getenv (VPPCOM_ENV_CONF);
2222 conf_fname = VPPCOM_CONF_DEFAULT;
2223 if (VPPCOM_DEBUG > 0)
2224 clib_warning ("VCL<%d>: getenv '%s' failed!", getpid (),
2227 vppcom_cfg_heapsize (conf_fname);
2228 clib_fifo_validate (vcm->client_session_index_fifo,
2229 vcm->cfg.listen_queue_size);
2230 vppcom_cfg_read (conf_fname);
2231 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_ID);
2234 u32 ns_id_vec_len = strlen (env_var_str);
2236 vec_reset_length (vcm->cfg.namespace_id);
2237 vec_validate (vcm->cfg.namespace_id, ns_id_vec_len - 1);
2238 clib_memcpy (vcm->cfg.namespace_id, env_var_str, ns_id_vec_len);
2240 if (VPPCOM_DEBUG > 0)
2241 clib_warning ("VCL<%d>: configured namespace_id (%v) from "
2242 VPPCOM_ENV_APP_NAMESPACE_ID "!", getpid (),
2243 vcm->cfg.namespace_id);
2245 env_var_str = getenv (VPPCOM_ENV_APP_NAMESPACE_SECRET);
2249 if (sscanf (env_var_str, "%lu", &tmp) != 1)
2250 clib_warning ("VCL<%d>: Invalid namespace secret specified in "
2251 "the environment variable "
2252 VPPCOM_ENV_APP_NAMESPACE_SECRET
2253 " (%s)!\n", getpid (), env_var_str);
2256 vcm->cfg.namespace_secret = tmp;
2257 if (VPPCOM_DEBUG > 0)
2258 clib_warning ("VCL<%d>: configured namespace secret "
2259 "(%lu) from " VPPCOM_ENV_APP_NAMESPACE_ID "!",
2260 getpid (), vcm->cfg.namespace_secret);
2263 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP))
2265 vcm->cfg.app_proxy_transport_tcp = 1;
2266 if (VPPCOM_DEBUG > 0)
2267 clib_warning ("VCL<%d>: configured app_proxy_transport_tcp "
2268 "(%u) from " VPPCOM_ENV_APP_PROXY_TRANSPORT_TCP
2269 "!", getpid (), vcm->cfg.app_proxy_transport_tcp);
2271 if (getenv (VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP))
2273 vcm->cfg.app_proxy_transport_udp = 1;
2274 if (VPPCOM_DEBUG > 0)
2275 clib_warning ("VCL<%d>: configured app_proxy_transport_udp "
2276 "(%u) from " VPPCOM_ENV_APP_PROXY_TRANSPORT_UDP
2277 "!", getpid (), vcm->cfg.app_proxy_transport_udp);
2279 if (getenv (VPPCOM_ENV_APP_SCOPE_LOCAL))
2281 vcm->cfg.app_scope_local = 1;
2282 if (VPPCOM_DEBUG > 0)
2283 clib_warning ("VCL<%d>: configured app_scope_local (%u) from "
2284 VPPCOM_ENV_APP_SCOPE_LOCAL "!", getpid (),
2285 vcm->cfg.app_scope_local);
2287 if (getenv (VPPCOM_ENV_APP_SCOPE_GLOBAL))
2289 vcm->cfg.app_scope_global = 1;
2290 if (VPPCOM_DEBUG > 0)
2291 clib_warning ("VCL<%d>: configured app_scope_global (%u) from "
2292 VPPCOM_ENV_APP_SCOPE_GLOBAL "!", getpid (),
2293 vcm->cfg.app_scope_global);
2296 vcm->main_cpu = os_get_thread_index ();
2297 heap = clib_mem_get_per_cpu_heap ();
2298 h = mheap_header (heap);
2300 /* make the main heap thread-safe */
2301 h->flags |= MHEAP_FLAG_THREAD_SAFE;
2303 vcm->session_index_by_vpp_handles = hash_create (0, sizeof (uword));
2305 clib_time_init (&vcm->clib_time);
2306 vppcom_init_error_string_table ();
2307 svm_fifo_segment_init (vcl_cfg->segment_baseva,
2308 20 /* timeout in secs */ );
2309 clib_spinlock_init (&vcm->sessions_lockp);
2312 if (vcm->my_client_index == ~0)
2314 vppcom_api_hookup ();
2315 vcm->app_state = STATE_APP_START;
2316 rv = vppcom_connect_to_vpp (app_name);
2319 clib_warning ("VCL<%d>: ERROR: couldn't connect to VPP!",
2324 if (VPPCOM_DEBUG > 0)
2325 clib_warning ("VCL<%d>: sending session enable", getpid ());
2327 rv = vppcom_app_session_enable ();
2330 clib_warning ("VCL<%d>: ERROR: vppcom_app_session_enable() "
2331 "failed!", getpid ());
2335 if (VPPCOM_DEBUG > 0)
2336 clib_warning ("VCL<%d>: sending app attach", getpid ());
2338 rv = vppcom_app_attach ();
2341 clib_warning ("VCL<%d>: ERROR: vppcom_app_attach() failed!",
2346 if (VPPCOM_DEBUG > 0)
2347 clib_warning ("VCL<%d>: app_name '%s', my_client_index %d (0x%x)",
2348 getpid (), app_name, vcm->my_client_index,
2349 vcm->my_client_index);
2356 vppcom_app_destroy (void)
2360 if (vcm->my_client_index == ~0)
2363 if (VPPCOM_DEBUG > 0)
2364 clib_warning ("VCL<%d>: detaching from VPP, my_client_index %d (0x%x)",
2365 getpid (), vcm->my_client_index, vcm->my_client_index);
2367 if (VPPCOM_DEBUG > 0)
2370 ELOG_TYPE_DECLARE (e) =
2372 .format = "app_detach:C:%d",
2373 .format_args = "i4",
2380 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
2381 ed->data = vcm->my_client_index;
2385 vppcom_app_detach ();
2386 rv = vppcom_wait_for_app_state_change (STATE_APP_ENABLED);
2387 if (PREDICT_FALSE (rv))
2389 if (VPPCOM_DEBUG > 0)
2390 clib_warning ("VCL<%d>: application detach timed out! "
2391 "returning %d (%s)",
2392 getpid (), rv, vppcom_retval_str (rv));
2395 /* Finished with logging before client gets reset to ~0 */
2396 if (VPPCOM_DEBUG > 0)
2399 vl_client_disconnect_from_vlib ();
2400 vcm->my_client_index = ~0;
2401 vcm->app_state = STATE_APP_START;
2405 vppcom_session_create (u32 vrf, u8 proto, u8 is_nonblocking)
2410 clib_spinlock_lock (&vcm->sessions_lockp);
2411 pool_get (vcm->sessions, session);
2412 memset (session, 0, sizeof (*session));
2413 session_index = session - vcm->sessions;
2416 session->proto = proto;
2417 session->state = STATE_START;
2418 session->is_nonblocking = is_nonblocking ? 1 : 0;
2419 session->vpp_handle = ~0;
2420 clib_spinlock_unlock (&vcm->sessions_lockp);
2422 if (VPPCOM_DEBUG > 0)
2423 clib_warning ("VCL<%d>: sid %u", getpid (), session_index);
2425 if (VPPCOM_DEBUG > 0)
2427 session->elog_track.name =
2428 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2430 elog_track_register (&vcm->elog_main, &session->elog_track);
2433 ELOG_TYPE_DECLARE (e) =
2435 .format = "session_create:vrf:%d proto:%d state:%d is_nonblocking:%d",
2436 .format_args = "i4i4i4i4",
2444 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
2445 ed->data[0] = session->vrf;
2446 ed->data[1] = session->proto;
2447 ed->data[2] = session->state;
2448 ed->data[3] = session->is_nonblocking;
2452 return (int) session_index;
2456 vppcom_session_close (uint32_t session_index)
2458 session_t *session = 0;
2467 session_state_t state;
2469 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2470 is_listen = session->is_listen;
2471 is_vep = session->is_vep;
2472 is_vep_session = session->is_vep_session;
2473 next_sid = session->vep.next_sid;
2474 vep_idx = session->vep.vep_idx;
2475 state = session->state;
2476 vpp_handle = session->vpp_handle;
2477 clib_spinlock_unlock (&vcm->sessions_lockp);
2479 if (VPPCOM_DEBUG > 0)
2482 clib_warning ("VCL<%d>: vep_idx %u / sid %u: "
2483 "closing epoll session...",
2484 getpid (), session_index, session_index);
2486 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %d: "
2487 "closing session...",
2488 getpid (), vpp_handle, session_index);
2493 while (next_sid != ~0)
2495 rv = vppcom_epoll_ctl (session_index, EPOLL_CTL_DEL, next_sid, 0);
2496 if ((VPPCOM_DEBUG > 0) && PREDICT_FALSE (rv < 0))
2497 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2498 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2499 getpid (), vpp_handle, next_sid, vep_idx,
2500 rv, vppcom_retval_str (rv));
2502 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2503 next_sid = session->vep.next_sid;
2504 clib_spinlock_unlock (&vcm->sessions_lockp);
2511 rv = vppcom_epoll_ctl (vep_idx, EPOLL_CTL_DEL, session_index, 0);
2512 if ((VPPCOM_DEBUG > 0) && (rv < 0))
2513 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2514 "EPOLL_CTL_DEL vep_idx %u failed! rv %d (%s)",
2515 getpid (), vpp_handle, session_index,
2516 vep_idx, rv, vppcom_retval_str (rv));
2521 if (state == STATE_LISTEN)
2523 rv = vppcom_session_unbind (session_index);
2524 if (PREDICT_FALSE (rv < 0))
2526 if (VPPCOM_DEBUG > 0)
2527 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2528 "listener unbind failed! rv %d (%s)",
2529 getpid (), vpp_handle, session_index,
2530 rv, vppcom_retval_str (rv));
2535 else if (state & (CLIENT_STATE_OPEN | SERVER_STATE_OPEN))
2537 rv = vppcom_session_disconnect (session_index);
2538 if (PREDICT_FALSE (rv < 0))
2539 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2540 "session disconnect failed! rv %d (%s)",
2541 getpid (), vpp_handle, session_index,
2542 rv, vppcom_retval_str (rv));
2546 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2547 vpp_handle = session->vpp_handle;
2548 if (vpp_handle != ~0)
2550 p = hash_get (vcm->session_index_by_vpp_handles, vpp_handle);
2552 hash_unset (vcm->session_index_by_vpp_handles, vpp_handle);
2554 pool_put_index (vcm->sessions, session_index);
2555 clib_spinlock_unlock (&vcm->sessions_lockp);
2557 if (VPPCOM_DEBUG > 0)
2560 clib_warning ("VCL<%d>: vep_idx %u / sid %u: epoll session removed.",
2561 getpid (), session_index, session_index);
2563 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session removed.",
2564 getpid (), vpp_handle, session_index);
2568 if (VPPCOM_DEBUG > 0)
2571 ELOG_TYPE_DECLARE (e) =
2573 .format = "session_close:rv:%d",
2574 .format_args = "i4",
2582 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
2591 vppcom_session_bind (uint32_t session_index, vppcom_endpt_t * ep)
2593 session_t *session = 0;
2597 return VPPCOM_EINVAL;
2599 VCL_LOCK_AND_GET_SESSION (session_index, &session);
2601 if (session->is_vep)
2603 clib_spinlock_unlock (&vcm->sessions_lockp);
2604 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
2605 "bind to an epoll session!", getpid (), session_index);
2610 session->vrf = ep->vrf;
2611 session->lcl_addr.is_ip4 = ep->is_ip4;
2612 session->lcl_addr.ip46 = to_ip46 (!ep->is_ip4, ep->ip);
2613 session->lcl_port = ep->port;
2615 if (VPPCOM_DEBUG > 0)
2616 clib_warning ("VCL<%d>: sid %u: binding to local %s address %U "
2617 "port %u, proto %s", getpid (), session_index,
2618 session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2619 format_ip46_address, &session->lcl_addr.ip46,
2620 session->lcl_addr.is_ip4,
2621 clib_net_to_host_u16 (session->lcl_port),
2622 session->proto ? "UDP" : "TCP");
2624 if (VPPCOM_DEBUG > 0)
2626 if (session->lcl_addr.is_ip4)
2629 ELOG_TYPE_DECLARE (e) =
2631 .format = "bind local:%s:%d.%d.%d.%d:%d ",
2632 .format_args = "t1i1i1i1i1i2",
2633 .n_enum_strings = 2,
2634 .enum_strings = {"TCP", "UDP",},
2637 CLIB_PACKED (struct {
2643 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
2644 ed->proto = session->proto;
2645 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
2646 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
2647 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
2648 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
2649 ed->port = clib_net_to_host_u16 (session->lcl_port);
2654 clib_spinlock_unlock (&vcm->sessions_lockp);
2660 vppcom_session_listen (uint32_t listen_session_index, uint32_t q_len)
2662 session_t *listen_session = 0;
2663 u64 listen_vpp_handle;
2666 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2668 if (listen_session->is_vep)
2670 clib_spinlock_unlock (&vcm->sessions_lockp);
2671 clib_warning ("VCL<%d>: ERROR: sid %u: cannot listen on an "
2672 "epoll session!", getpid (), listen_session_index);
2677 listen_vpp_handle = listen_session->vpp_handle;
2678 if (listen_session->is_listen)
2680 clib_spinlock_unlock (&vcm->sessions_lockp);
2681 if (VPPCOM_DEBUG > 0)
2682 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2683 "already in listen state!",
2684 getpid (), listen_vpp_handle, listen_session_index);
2689 if (VPPCOM_DEBUG > 0)
2690 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
2691 "sid %u: sending bind request...",
2692 getpid (), listen_vpp_handle, listen_session_index);
2694 vppcom_send_bind_sock (listen_session, listen_session_index);
2695 clib_spinlock_unlock (&vcm->sessions_lockp);
2697 vppcom_wait_for_session_state_change (listen_session_index, STATE_LISTEN,
2698 vcm->cfg.session_timeout);
2700 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2701 if (PREDICT_FALSE (retval))
2703 if (VPPCOM_DEBUG > 0)
2704 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: bind failed! "
2705 "returning %d (%s)", getpid (),
2706 listen_session->vpp_handle, listen_session_index,
2707 retval, vppcom_retval_str (retval));
2708 clib_spinlock_unlock (&vcm->sessions_lockp);
2713 clib_fifo_validate (vcm->client_session_index_fifo, q_len);
2714 clib_spinlock_unlock (&vcm->sessions_lockp);
2720 vppcom_session_accept (uint32_t listen_session_index, vppcom_endpt_t * ep,
2723 session_t *listen_session = 0;
2724 session_t *client_session = 0;
2725 u32 client_session_index = ~0;
2729 u64 listen_vpp_handle;
2731 VCL_LOCK_AND_GET_SESSION (listen_session_index, &listen_session);
2733 if (listen_session->is_vep)
2735 clib_spinlock_unlock (&vcm->sessions_lockp);
2736 clib_warning ("VCL<%d>: ERROR: sid %u: cannot accept on an "
2737 "epoll session!", getpid (), listen_session_index);
2742 listen_vpp_handle = listen_session->vpp_handle;
2743 if (listen_session->state != STATE_LISTEN)
2745 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2746 "not in listen state! state 0x%x (%s)", getpid (),
2747 listen_vpp_handle, listen_session_index,
2748 listen_session->state,
2749 vppcom_session_state_str (listen_session->state));
2750 clib_spinlock_unlock (&vcm->sessions_lockp);
2754 wait_for = (listen_session->is_nonblocking) ? 0 : vcm->cfg.accept_timeout;
2756 clib_spinlock_unlock (&vcm->sessions_lockp);
2760 rv = vppcom_wait_for_client_session_index (wait_for);
2763 if ((VPPCOM_DEBUG > 0))
2764 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
2765 "accept failed! returning %d (%s)", getpid (),
2766 listen_vpp_handle, listen_session_index,
2767 rv, vppcom_retval_str (rv));
2775 clib_spinlock_lock (&vcm->sessions_lockp);
2776 clib_fifo_sub1 (vcm->client_session_index_fifo, client_session_index);
2777 rv = vppcom_session_at_index (client_session_index, &client_session);
2778 if (PREDICT_FALSE (rv))
2780 rv = VPPCOM_ECONNABORTED;
2781 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2782 "lookup failed! returning %d (%s)", getpid (),
2783 listen_vpp_handle, listen_session_index,
2784 client_session_index, rv, vppcom_retval_str (rv));
2788 client_session->is_nonblocking = (flags & O_NONBLOCK) ? 1 : 0;
2789 if (VPPCOM_DEBUG > 0)
2790 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Got a client request! "
2791 "vpp handle 0x%llx, sid %u, flags %d, is_nonblocking %u",
2792 getpid (), listen_vpp_handle, listen_session_index,
2793 client_session->vpp_handle, client_session_index,
2794 flags, client_session->is_nonblocking);
2798 ep->vrf = client_session->vrf;
2799 ep->is_cut_thru = client_session->is_cut_thru;
2800 ep->is_ip4 = client_session->peer_addr.is_ip4;
2801 ep->port = client_session->peer_port;
2802 if (client_session->peer_addr.is_ip4)
2803 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip4,
2804 sizeof (ip4_address_t));
2806 clib_memcpy (ep->ip, &client_session->peer_addr.ip46.ip6,
2807 sizeof (ip6_address_t));
2810 if (client_session->is_server && client_session->is_cut_thru)
2812 static svm_fifo_segment_create_args_t _a;
2813 svm_fifo_segment_create_args_t *a = &_a;
2814 svm_fifo_segment_private_t *seg;
2816 cut_thru_str = " cut-thru ";
2818 /* Create the segment */
2819 memset (a, 0, sizeof (*a));
2820 a->segment_name = (char *)
2821 format ((u8 *) a->segment_name, "%d:segment%d%c",
2822 getpid (), vcm->unique_segment_index++, 0);
2823 a->segment_size = vcm->cfg.segment_size;
2824 a->preallocated_fifo_pairs = vcm->cfg.preallocated_fifo_pairs;
2825 a->rx_fifo_size = vcm->cfg.rx_fifo_size;
2826 a->tx_fifo_size = vcm->cfg.tx_fifo_size;
2828 rv = svm_fifo_segment_create (a);
2829 if (PREDICT_FALSE (rv))
2831 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2832 "client sid %u svm_fifo_segment_create ('%s') "
2833 "failed! rv %d", getpid (), listen_vpp_handle,
2834 listen_session_index, client_session_index,
2835 a->segment_name, rv);
2836 vec_reset_length (a->new_segment_indices);
2837 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
2838 vppcom_send_connect_session_reply (client_session,
2839 client_session_index,
2840 client_session->vpp_handle,
2841 client_session->client_context,
2843 clib_spinlock_unlock (&vcm->sessions_lockp);
2848 client_session->segment_name = vec_dup ((u8 *) a->segment_name);
2849 client_session->sm_seg_index = a->new_segment_indices[0];
2850 vec_free (a->new_segment_indices);
2852 seg = svm_fifo_segment_get_segment (client_session->sm_seg_index);
2853 client_session->server_rx_fifo =
2854 svm_fifo_segment_alloc_fifo (seg, vcm->cfg.rx_fifo_size,
2855 FIFO_SEGMENT_RX_FREELIST);
2856 if (PREDICT_FALSE (!client_session->server_rx_fifo))
2858 svm_fifo_segment_delete (seg);
2859 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2860 "client sid %u rx fifo alloc failed! "
2861 "size %ld (0x%lx)", getpid (), listen_vpp_handle,
2862 listen_session_index, client_session_index,
2863 vcm->cfg.rx_fifo_size, vcm->cfg.rx_fifo_size);
2864 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
2865 vppcom_send_connect_session_reply (client_session,
2866 client_session_index,
2867 client_session->vpp_handle,
2868 client_session->client_context,
2870 clib_spinlock_unlock (&vcm->sessions_lockp);
2874 client_session->server_rx_fifo->master_session_index =
2875 client_session_index;
2877 client_session->server_tx_fifo =
2878 svm_fifo_segment_alloc_fifo (seg, vcm->cfg.tx_fifo_size,
2879 FIFO_SEGMENT_TX_FREELIST);
2880 if (PREDICT_FALSE (!client_session->server_tx_fifo))
2882 svm_fifo_segment_delete (seg);
2883 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2884 "client sid %u tx fifo alloc failed! "
2885 "size %ld (0x%lx)", getpid (), listen_vpp_handle,
2886 listen_session_index, client_session_index,
2887 vcm->cfg.tx_fifo_size, vcm->cfg.tx_fifo_size);
2888 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
2889 vppcom_send_connect_session_reply (client_session,
2890 client_session_index,
2891 client_session->vpp_handle,
2892 client_session->client_context,
2894 clib_spinlock_unlock (&vcm->sessions_lockp);
2898 client_session->server_tx_fifo->master_session_index =
2899 client_session_index;
2901 if (VPPCOM_DEBUG > 1)
2902 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2903 "created segment '%s', rx_fifo %p, tx_fifo %p",
2904 getpid (), listen_vpp_handle, listen_session_index,
2905 client_session_index, client_session->segment_name,
2906 client_session->server_rx_fifo,
2907 client_session->server_tx_fifo);
2909 #ifdef CUT_THRU_EVENT_QUEUE /* TBD */
2912 ssvm_shared_header_t *sh = seg->ssvm.sh;
2914 ssvm_lock_non_recursive (sh, 1);
2915 oldheap = ssvm_push_heap (sh);
2916 event_q = client_session->vpp_event_queue =
2917 svm_queue_init (vcm->cfg.event_queue_size,
2918 sizeof (session_fifo_event_t),
2919 getpid (), 0 /* signal not sent */ );
2920 ssvm_pop_heap (oldheap);
2921 ssvm_unlock_non_recursive (sh);
2924 vppcom_send_connect_session_reply (client_session,
2925 client_session_index,
2926 client_session->vpp_handle,
2927 client_session->client_context,
2928 0 /* retval OK */ );
2933 vppcom_send_accept_session_reply (client_session->vpp_handle,
2934 client_session->client_context,
2935 0 /* retval OK */ );
2938 if (VPPCOM_DEBUG > 0)
2939 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
2940 "0x%llx, sid %u%sconnection to local %s address "
2941 "%U port %u", getpid (), listen_vpp_handle,
2942 listen_session_index, client_session->vpp_handle,
2943 client_session_index, cut_thru_str,
2944 client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2945 format_ip46_address, &client_session->lcl_addr.ip46,
2946 client_session->lcl_addr.is_ip4,
2947 clib_net_to_host_u16 (client_session->lcl_port));
2949 if (VPPCOM_DEBUG > 0)
2951 client_session->elog_track.name =
2952 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2953 client_session_index, 0);
2954 elog_track_register (&vcm->elog_main, &client_session->elog_track);
2957 ELOG_TYPE_DECLARE (e) =
2959 .format = "accept cut-thru: listen_handle:%x from_handle:%x",
2960 .format_args = "i8i8",
2968 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
2969 ed->handle[0] = listen_vpp_handle;
2970 ed->handle[1] = client_session->vpp_handle;
2973 if (client_session->lcl_addr.is_ip4)
2976 ELOG_TYPE_DECLARE (e2) =
2978 .format = "accept cut-thru: S:%d %d.%d.%d.%d:%d ",
2979 .format_args = "i4i1i1i1i1i2",
2982 CLIB_PACKED (struct {
2989 ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
2990 ed2->session = client_session_index;
2991 ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
2992 ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
2993 ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
2994 ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
2995 ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
3000 clib_spinlock_unlock (&vcm->sessions_lockp);
3001 rv = (int) client_session_index;
3007 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
3009 session_t *session = 0;
3010 int rv, retval = VPPCOM_OK;
3011 u64 vpp_handle = ~0;
3013 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3015 if (PREDICT_FALSE (session->is_vep))
3017 clib_spinlock_unlock (&vcm->sessions_lockp);
3018 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3019 "connect on an epoll session!", getpid (), session_index);
3024 vpp_handle = session->vpp_handle;
3025 if (PREDICT_FALSE (session->is_server))
3027 clib_spinlock_unlock (&vcm->sessions_lockp);
3028 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: is in use "
3029 "as a server session!", getpid (), vpp_handle,
3035 if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
3037 if (VPPCOM_DEBUG > 0)
3038 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
3039 "connected to %s %U port %d proto %s, state 0x%x (%s)",
3040 getpid (), vpp_handle, session_index,
3041 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
3042 format_ip46_address,
3043 &session->peer_addr.ip46, session->peer_addr.is_ip4,
3044 clib_net_to_host_u16 (session->peer_port),
3045 session->proto ? "UDP" : "TCP", session->state,
3046 vppcom_session_state_str (session->state));
3048 clib_spinlock_unlock (&vcm->sessions_lockp);
3052 session->vrf = server_ep->vrf;
3053 session->peer_addr.is_ip4 = server_ep->is_ip4;
3054 session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
3055 session->peer_port = server_ep->port;
3057 if (VPPCOM_DEBUG > 0)
3058 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
3059 "%s %U port %d proto %s",
3060 getpid (), vpp_handle, session_index,
3061 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
3062 format_ip46_address,
3063 &session->peer_addr.ip46, session->peer_addr.is_ip4,
3064 clib_net_to_host_u16 (session->peer_port),
3065 session->proto ? "UDP" : "TCP");
3067 vppcom_send_connect_sock (session, session_index);
3068 clib_spinlock_unlock (&vcm->sessions_lockp);
3071 vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
3072 vcm->cfg.session_timeout);
3074 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3075 vpp_handle = session->vpp_handle;
3076 clib_spinlock_unlock (&vcm->sessions_lockp);
3079 if (PREDICT_FALSE (retval))
3082 if (VPPCOM_DEBUG > 0)
3083 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
3084 "returning %d (%s)", getpid (), vpp_handle,
3085 session_index, rv, vppcom_retval_str (rv));
3087 else if (VPPCOM_DEBUG > 0)
3088 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
3089 getpid (), vpp_handle, session_index);
3095 vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
3098 session_t *session = 0;
3099 svm_fifo_t *rx_fifo;
3104 session_state_t state;
3111 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3113 if (PREDICT_FALSE (session->is_vep))
3115 clib_spinlock_unlock (&vcm->sessions_lockp);
3116 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3117 "read from an epoll session!", getpid (), session_index);
3122 vpp_handle = session->vpp_handle;
3123 is_server = session->is_server;
3124 is_nonblocking = session->is_nonblocking;
3125 state = session->state;
3126 if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
3128 clib_spinlock_unlock (&vcm->sessions_lockp);
3129 rv = ((state == STATE_DISCONNECT) ?
3130 VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3132 if (VPPCOM_DEBUG > 0)
3133 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3134 "not open! state 0x%x (%s), returning %d (%s)",
3135 getpid (), vpp_handle, session_index,
3136 is_server ? "server" : "client", state,
3137 vppcom_session_state_str (state),
3138 rv, vppcom_retval_str (rv));
3142 rx_fifo = ((!session->is_cut_thru || is_server) ?
3143 session->server_rx_fifo : session->server_tx_fifo);
3144 fifo_str = ((!session->is_cut_thru || is_server) ?
3145 "server_rx_fifo" : "server_tx_fifo");
3146 clib_spinlock_unlock (&vcm->sessions_lockp);
3151 n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
3153 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
3155 while (!is_nonblocking && (n_read <= 0));
3159 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3161 poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
3162 (EPOLLET | EPOLLIN));
3164 session->vep.et_mask |= EPOLLIN;
3166 if (state == STATE_CLOSE_ON_EMPTY)
3168 session_state_t new_state = STATE_DISCONNECT;
3169 rv = VPPCOM_ECONNRESET;
3171 if (VPPCOM_DEBUG > 1)
3173 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
3174 "with %s session state 0x%x (%s)!"
3175 " Setting state to 0x%x (%s), returning %d (%s)",
3176 getpid (), vpp_handle, session_index,
3177 is_server ? "server" : "client",
3178 state, vppcom_session_state_str (state),
3179 new_state, vppcom_session_state_str (new_state),
3180 rv, vppcom_retval_str (rv));
3183 session->state = new_state;
3188 clib_spinlock_unlock (&vcm->sessions_lockp);
3193 if (VPPCOM_DEBUG > 2)
3196 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
3197 "from %s (%p)", getpid (), vpp_handle,
3198 session_index, n_read, fifo_str, rx_fifo);
3200 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
3201 "returning %d (%s)", getpid (), vpp_handle,
3202 session_index, rv, vppcom_retval_str (rv));
3209 vppcom_session_read (uint32_t session_index, void *buf, size_t n)
3211 return (vppcom_session_read_internal (session_index, buf, n, 0));
3215 vppcom_session_peek (uint32_t session_index, void *buf, int n)
3217 return (vppcom_session_read_internal (session_index, buf, n, 1));
3221 vppcom_session_read_ready (session_t * session, u32 session_index)
3223 svm_fifo_t *rx_fifo = 0;
3227 u8 is_server = session->is_server;
3228 session_state_t state = session->state;
3229 u64 vpp_handle = session->vpp_handle;
3231 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3232 if (PREDICT_FALSE (session->is_vep))
3234 clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
3235 "epoll session!", getpid (), session_index);
3240 if (session->is_listen)
3241 ready = clib_fifo_elts (vcm->client_session_index_fifo);
3244 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
3246 rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3249 if (VPPCOM_DEBUG > 1)
3250 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3251 "not open! state 0x%x (%s), returning %d (%s)",
3252 getpid (), vpp_handle, session_index,
3253 is_server ? "server" : "client",
3254 state, vppcom_session_state_str (state),
3255 rv, vppcom_retval_str (rv));
3259 rx_fifo = ((!session->is_cut_thru || is_server) ?
3260 session->server_rx_fifo : session->server_tx_fifo);
3262 ready = svm_fifo_max_dequeue (rx_fifo);
3268 ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
3270 session->vep.et_mask |= EPOLLIN;
3272 if (state == STATE_CLOSE_ON_EMPTY)
3274 rv = VPPCOM_ECONNRESET;
3275 session_state_t new_state = STATE_DISCONNECT;
3277 if (VPPCOM_DEBUG > 1)
3279 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
3280 "sid %u: Empty fifo with"
3281 " %s session state 0x%x (%s)! Setting state to "
3282 "0x%x (%s), returning %d (%s)",
3283 getpid (), session_index, vpp_handle,
3284 is_server ? "server" : "client",
3285 state, vppcom_session_state_str (state),
3286 new_state, vppcom_session_state_str (new_state),
3287 rv, vppcom_retval_str (rv));
3289 session->state = new_state;
3295 if (vcm->app_event_queue->cursize &&
3296 !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
3298 u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
3299 session_fifo_event_t e;
3301 for (i = 0; i < n_to_dequeue; i++)
3302 svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
3304 pthread_mutex_unlock (&vcm->app_event_queue->mutex);
3311 vppcom_session_write (uint32_t session_index, void *buf, size_t n)
3313 session_t *session = 0;
3314 svm_fifo_t *tx_fifo;
3316 session_fifo_event_t evt;
3322 session_state_t state;
3327 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3329 if (PREDICT_FALSE (session->is_vep))
3331 clib_spinlock_unlock (&vcm->sessions_lockp);
3332 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3333 "cannot write to an epoll session!",
3334 getpid (), session->vpp_handle, session_index);
3340 is_server = session->is_server;
3341 is_nonblocking = session->is_nonblocking;
3342 vpp_handle = session->vpp_handle;
3343 state = session->state;
3344 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3346 rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3349 clib_spinlock_unlock (&vcm->sessions_lockp);
3350 if (VPPCOM_DEBUG > 1)
3351 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3352 "%s session is not open! state 0x%x (%s)",
3353 getpid (), vpp_handle, session_index,
3354 is_server ? "server" : "client", state,
3355 vppcom_session_state_str (state));
3359 tx_fifo = ((!session->is_cut_thru || is_server) ?
3360 session->server_tx_fifo : session->server_rx_fifo);
3361 fifo_str = ((!session->is_cut_thru || is_server) ?
3362 "server_tx_fifo" : "server_rx_fifo");
3363 clib_spinlock_unlock (&vcm->sessions_lockp);
3367 n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
3369 while (!is_nonblocking && (n_write <= 0));
3371 /* If event wasn't set, add one */
3372 if (!session->is_cut_thru && (n_write > 0) && svm_fifo_set_event (tx_fifo))
3374 /* Fabricate TX event, send to vpp */
3376 evt.event_type = FIFO_EVENT_APP_TX;
3378 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3379 q = session->vpp_event_queue;
3381 svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
3382 clib_spinlock_unlock (&vcm->sessions_lockp);
3383 if (VPPCOM_DEBUG > 1)
3384 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3385 "added FIFO_EVENT_APP_TX to "
3386 "vpp_event_q %p, n_write %d", getpid (),
3387 vpp_handle, session_index, q, n_write);
3392 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3394 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3395 (EPOLLET | EPOLLOUT));
3397 session->vep.et_mask |= EPOLLOUT;
3399 if (state == STATE_CLOSE_ON_EMPTY)
3401 session_state_t new_state = STATE_DISCONNECT;
3402 rv = VPPCOM_ECONNRESET;
3404 if (VPPCOM_DEBUG > 1)
3406 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3407 "Empty fifo with %s session state 0x%x (%s)!"
3408 " Setting state to 0x%x (%s), returning %d (%s)",
3409 getpid (), vpp_handle, session_index,
3410 is_server ? "server" : "client",
3411 state, vppcom_session_state_str (state),
3412 new_state, vppcom_session_state_str (new_state),
3413 rv, vppcom_retval_str (rv));
3416 session->state = new_state;
3421 clib_spinlock_unlock (&vcm->sessions_lockp);
3426 if (VPPCOM_DEBUG > 2)
3429 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3430 "FIFO-FULL %s (%p)", getpid (), vpp_handle,
3431 session_index, fifo_str, tx_fifo);
3433 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3434 "wrote %d bytes to %s (%p)", getpid (), vpp_handle,
3435 session_index, n_write, fifo_str, tx_fifo);
3442 vppcom_session_write_ready (session_t * session, u32 session_index)
3444 svm_fifo_t *tx_fifo;
3449 u8 is_server = session->is_server;
3450 session_state_t state = session->state;
3452 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3453 if (PREDICT_FALSE (session->is_vep))
3455 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3456 "cannot write to an epoll session!",
3457 getpid (), session->vpp_handle, session_index);
3462 if (PREDICT_FALSE (session->is_listen))
3464 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3465 "cannot write to a listen session!",
3466 getpid (), session->vpp_handle, session_index);
3471 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3473 session_state_t state = session->state;
3475 rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3478 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3479 "%s session is not open! state 0x%x (%s), "
3480 "returning %d (%s)", getpid (), session->vpp_handle,
3481 session_index, is_server ? "server" : "client",
3482 state, vppcom_session_state_str (state),
3483 rv, vppcom_retval_str (rv));
3487 tx_fifo = ((!session->is_cut_thru || session->is_server) ?
3488 session->server_tx_fifo : session->server_rx_fifo);
3489 fifo_str = ((!session->is_cut_thru || session->is_server) ?
3490 "server_tx_fifo" : "server_rx_fifo");
3492 ready = svm_fifo_max_enqueue (tx_fifo);
3494 if (VPPCOM_DEBUG > 3)
3495 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3496 "peek %s (%p), ready = %d", getpid (),
3497 session->vpp_handle, session_index,
3498 fifo_str, tx_fifo, ready);
3502 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3503 (EPOLLET | EPOLLOUT));
3505 session->vep.et_mask |= EPOLLOUT;
3507 if (state == STATE_CLOSE_ON_EMPTY)
3509 rv = VPPCOM_ECONNRESET;
3510 session_state_t new_state = STATE_DISCONNECT;
3512 if (VPPCOM_DEBUG > 1)
3514 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3515 "Empty fifo with %s session "
3516 "state 0x%x (%s)! Setting state to 0x%x (%s), "
3517 "returning %d (%s)", getpid (),
3518 session->vpp_handle, session_index,
3519 is_server ? "server" : "client",
3520 state, vppcom_session_state_str (state),
3521 new_state, vppcom_session_state_str (new_state),
3522 rv, vppcom_retval_str (rv));
3524 session->state = new_state;
3534 vppcom_select (unsigned long n_bits, unsigned long *read_map,
3535 unsigned long *write_map, unsigned long *except_map,
3536 double time_to_wait)
3539 session_t *session = 0;
3540 int rv, bits_set = 0;
3541 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
3542 u32 minbits = clib_max (n_bits, BITS (uword));
3544 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
3546 if (n_bits && read_map)
3548 clib_bitmap_validate (vcm->rd_bitmap, minbits);
3549 clib_memcpy (vcm->rd_bitmap, read_map,
3550 vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3551 memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3553 if (n_bits && write_map)
3555 clib_bitmap_validate (vcm->wr_bitmap, minbits);
3556 clib_memcpy (vcm->wr_bitmap, write_map,
3557 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3558 memset (write_map, 0,
3559 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3561 if (n_bits && except_map)
3563 clib_bitmap_validate (vcm->ex_bitmap, minbits);
3564 clib_memcpy (vcm->ex_bitmap, except_map,
3565 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3566 memset (except_map, 0,
3567 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3577 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
3579 clib_spinlock_lock (&vcm->sessions_lockp);
3580 rv = vppcom_session_at_index (session_index, &session);
3583 clib_spinlock_unlock (&vcm->sessions_lockp);
3584 if (VPPCOM_DEBUG > 1)
3585 clib_warning ("VCL<%d>: session %d specified in "
3586 "read_map is closed.", getpid (),
3588 bits_set = VPPCOM_EBADFD;
3592 rv = vppcom_session_read_ready (session, session_index);
3593 clib_spinlock_unlock (&vcm->sessions_lockp);
3594 if (except_map && vcm->ex_bitmap &&
3595 clib_bitmap_get (vcm->ex_bitmap, session_index) &&
3598 clib_bitmap_set_no_check (except_map, session_index, 1);
3603 clib_bitmap_set_no_check (read_map, session_index, 1);
3611 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
3613 clib_spinlock_lock (&vcm->sessions_lockp);
3614 rv = vppcom_session_at_index (session_index, &session);
3617 clib_spinlock_unlock (&vcm->sessions_lockp);
3618 if (VPPCOM_DEBUG > 0)
3619 clib_warning ("VCL<%d>: session %d specified in "
3620 "write_map is closed.", getpid (),
3622 bits_set = VPPCOM_EBADFD;
3626 rv = vppcom_session_write_ready (session, session_index);
3627 clib_spinlock_unlock (&vcm->sessions_lockp);
3628 if (write_map && (rv > 0))
3630 clib_bitmap_set_no_check (write_map, session_index, 1);
3638 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
3640 clib_spinlock_lock (&vcm->sessions_lockp);
3641 rv = vppcom_session_at_index (session_index, &session);
3644 clib_spinlock_unlock (&vcm->sessions_lockp);
3645 if (VPPCOM_DEBUG > 1)
3646 clib_warning ("VCL<%d>: session %d specified in "
3647 "except_map is closed.", getpid (),
3649 bits_set = VPPCOM_EBADFD;
3653 rv = vppcom_session_read_ready (session, session_index);
3654 clib_spinlock_unlock (&vcm->sessions_lockp);
3657 clib_bitmap_set_no_check (except_map, session_index, 1);
3665 while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
3672 vep_verify_epoll_chain (u32 vep_idx)
3675 vppcom_epoll_t *vep;
3679 if (VPPCOM_DEBUG <= 1)
3682 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3683 rv = vppcom_session_at_index (vep_idx, &session);
3684 if (PREDICT_FALSE (rv))
3686 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
3687 getpid (), vep_idx);
3690 if (PREDICT_FALSE (!session->is_vep))
3692 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3693 getpid (), vep_idx);
3696 vep = &session->vep;
3697 clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
3700 " is_vep_session = %u\n"
3701 " next_sid = 0x%x (%u)\n"
3702 " wait_cont_idx = 0x%x (%u)\n"
3703 "}\n", getpid (), vep_idx,
3704 session->is_vep, session->is_vep_session,
3705 vep->next_sid, vep->next_sid,
3706 session->wait_cont_idx, session->wait_cont_idx);
3708 for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
3710 rv = vppcom_session_at_index (sid, &session);
3711 if (PREDICT_FALSE (rv))
3713 clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
3716 if (PREDICT_FALSE (session->is_vep))
3717 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
3718 getpid (), vep_idx);
3719 else if (PREDICT_FALSE (!session->is_vep_session))
3721 clib_warning ("VCL<%d>: ERROR: session (%u) "
3722 "is not a vep session!", getpid (), sid);
3725 vep = &session->vep;
3726 if (PREDICT_FALSE (vep->vep_idx != vep_idx))
3727 clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
3728 "vep_idx (%u)!", getpid (),
3729 sid, session->vep.vep_idx, vep_idx);
3730 if (session->is_vep_session)
3732 clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
3734 " next_sid = 0x%x (%u)\n"
3735 " prev_sid = 0x%x (%u)\n"
3736 " vep_idx = 0x%x (%u)\n"
3737 " ev.events = 0x%x\n"
3738 " ev.data.u64 = 0x%llx\n"
3742 vep->next_sid, vep->next_sid,
3743 vep->prev_sid, vep->prev_sid,
3744 vep->vep_idx, vep->vep_idx,
3745 vep->ev.events, vep->ev.data.u64, vep->et_mask);
3750 clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
3751 getpid (), vep_idx);
3755 vppcom_epoll_create (void)
3757 session_t *vep_session;
3760 clib_spinlock_lock (&vcm->sessions_lockp);
3761 pool_get (vcm->sessions, vep_session);
3762 memset (vep_session, 0, sizeof (*vep_session));
3763 vep_idx = vep_session - vcm->sessions;
3765 vep_session->is_vep = 1;
3766 vep_session->vep.vep_idx = ~0;
3767 vep_session->vep.next_sid = ~0;
3768 vep_session->vep.prev_sid = ~0;
3769 vep_session->wait_cont_idx = ~0;
3770 vep_session->vpp_handle = ~0;
3771 clib_spinlock_unlock (&vcm->sessions_lockp);
3773 if (VPPCOM_DEBUG > 0)
3774 clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
3775 getpid (), vep_idx, vep_idx);
3777 if (VPPCOM_DEBUG > 0)
3779 vep_session->elog_track.name =
3780 (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
3782 elog_track_register (&vcm->elog_main, &vep_session->elog_track);
3785 ELOG_TYPE_DECLARE (e) =
3787 .format = "created epoll session:%d",
3788 .format_args = "i4",
3796 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track);
3805 vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
3806 struct epoll_event *event)
3808 session_t *vep_session;
3812 if (vep_idx == session_index)
3814 clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
3815 getpid (), vep_idx);
3816 return VPPCOM_EINVAL;
3819 clib_spinlock_lock (&vcm->sessions_lockp);
3820 rv = vppcom_session_at_index (vep_idx, &vep_session);
3821 if (PREDICT_FALSE (rv))
3823 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
3826 if (PREDICT_FALSE (!vep_session->is_vep))
3828 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3829 getpid (), vep_idx);
3834 ASSERT (vep_session->vep.vep_idx == ~0);
3835 ASSERT (vep_session->vep.prev_sid == ~0);
3837 rv = vppcom_session_at_index (session_index, &session);
3838 if (PREDICT_FALSE (rv))
3840 if (VPPCOM_DEBUG > 0)
3841 clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
3842 getpid (), session_index);
3845 if (PREDICT_FALSE (session->is_vep))
3847 clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
3855 if (PREDICT_FALSE (!event))
3857 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
3858 "epoll_event structure!", getpid ());
3862 if (vep_session->vep.next_sid != ~0)
3864 session_t *next_session;
3865 rv = vppcom_session_at_index (vep_session->vep.next_sid,
3867 if (PREDICT_FALSE (rv))
3869 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
3870 "vep.next_sid (%u) on vep_idx (%u)!",
3871 getpid (), vep_session->vep.next_sid, vep_idx);
3874 ASSERT (next_session->vep.prev_sid == vep_idx);
3875 next_session->vep.prev_sid = session_index;
3877 session->vep.next_sid = vep_session->vep.next_sid;
3878 session->vep.prev_sid = vep_idx;
3879 session->vep.vep_idx = vep_idx;
3880 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3881 session->vep.ev = *event;
3882 session->is_vep = 0;
3883 session->is_vep_session = 1;
3884 vep_session->vep.next_sid = session_index;
3885 if (VPPCOM_DEBUG > 1)
3886 clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
3887 "sid %u, events 0x%x, data 0x%llx!",
3888 getpid (), vep_idx, session_index,
3889 event->events, event->data.u64);
3890 if (VPPCOM_DEBUG > 0)
3893 ELOG_TYPE_DECLARE (e) =
3895 .format = "epoll_ctladd: events:%x data:%x",
3896 .format_args = "i4i4i8",
3904 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3906 ed->events = event->events;
3907 ed->event_data = event->data.u64;
3913 if (PREDICT_FALSE (!event))
3915 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
3916 "epoll_event structure!", getpid ());
3920 else if (PREDICT_FALSE (!session->is_vep_session))
3922 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3923 "not a vep session!", getpid (), session_index);
3927 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3929 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3930 "vep_idx (%u) != vep_idx (%u)!",
3931 getpid (), session_index,
3932 session->vep.vep_idx, vep_idx);
3936 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3937 session->vep.ev = *event;
3938 if (VPPCOM_DEBUG > 1)
3940 ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
3941 " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
3946 if (PREDICT_FALSE (!session->is_vep_session))
3948 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3949 "not a vep session!", getpid (), session_index);
3953 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3955 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3956 "vep_idx (%u) != vep_idx (%u)!",
3957 getpid (), session_index,
3958 session->vep.vep_idx, vep_idx);
3963 vep_session->wait_cont_idx =
3964 (vep_session->wait_cont_idx == session_index) ?
3965 session->vep.next_sid : vep_session->wait_cont_idx;
3967 if (session->vep.prev_sid == vep_idx)
3968 vep_session->vep.next_sid = session->vep.next_sid;
3971 session_t *prev_session;
3972 rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
3973 if (PREDICT_FALSE (rv))
3975 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3976 "vep.prev_sid (%u) on sid (%u)!",
3977 getpid (), session->vep.prev_sid, session_index);
3980 ASSERT (prev_session->vep.next_sid == session_index);
3981 prev_session->vep.next_sid = session->vep.next_sid;
3983 if (session->vep.next_sid != ~0)
3985 session_t *next_session;
3986 rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
3987 if (PREDICT_FALSE (rv))
3989 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3990 "vep.next_sid (%u) on sid (%u)!",
3991 getpid (), session->vep.next_sid, session_index);
3994 ASSERT (next_session->vep.prev_sid == session_index);
3995 next_session->vep.prev_sid = session->vep.prev_sid;
3998 memset (&session->vep, 0, sizeof (session->vep));
3999 session->vep.next_sid = ~0;
4000 session->vep.prev_sid = ~0;
4001 session->vep.vep_idx = ~0;
4002 session->is_vep_session = 0;
4003 if (VPPCOM_DEBUG > 1)
4004 clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
4005 getpid (), vep_idx, session_index);
4006 if (VPPCOM_DEBUG > 0)
4009 ELOG_TYPE_DECLARE (e) =
4011 .format = "epoll_ctldel: vep:%d",
4012 .format_args = "i4",
4019 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4027 clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
4031 vep_verify_epoll_chain (vep_idx);
4034 clib_spinlock_unlock (&vcm->sessions_lockp);
4039 vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
4040 int maxevents, double wait_for_time)
4042 session_t *vep_session;
4044 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
4045 u32 keep_trying = 1;
4047 u32 vep_next_sid, wait_cont_idx;
4050 if (PREDICT_FALSE (maxevents <= 0))
4052 clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
4053 getpid (), maxevents);
4054 return VPPCOM_EINVAL;
4056 memset (events, 0, sizeof (*events) * maxevents);
4058 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4059 vep_next_sid = vep_session->vep.next_sid;
4060 is_vep = vep_session->is_vep;
4061 wait_cont_idx = vep_session->wait_cont_idx;
4062 clib_spinlock_unlock (&vcm->sessions_lockp);
4064 if (PREDICT_FALSE (!is_vep))
4066 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
4067 getpid (), vep_idx);
4071 if (PREDICT_FALSE (vep_next_sid == ~0))
4073 if (VPPCOM_DEBUG > 0)
4074 clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
4075 getpid (), vep_idx);
4076 if (VPPCOM_DEBUG > 0)
4079 ELOG_TYPE_DECLARE (e) =
4081 .format = "WRN: vep_idx:%d empty",
4082 .format_args = "i4",
4089 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track);
4103 for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
4104 sid != ~0; sid = next_sid)
4106 u32 session_events, et_mask, clear_et_mask, session_vep_idx;
4107 u8 add_event, is_vep_session;
4109 u64 session_ev_data;
4111 VCL_LOCK_AND_GET_SESSION (sid, &session);
4112 next_sid = session->vep.next_sid;
4113 session_events = session->vep.ev.events;
4114 et_mask = session->vep.et_mask;
4115 is_vep = session->is_vep;
4116 is_vep_session = session->is_vep_session;
4117 session_vep_idx = session->vep.vep_idx;
4118 session_ev_data = session->vep.ev.data.u64;
4119 clib_spinlock_unlock (&vcm->sessions_lockp);
4121 if (PREDICT_FALSE (is_vep))
4123 if (VPPCOM_DEBUG > 0)
4124 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
4125 getpid (), vep_idx);
4126 if (VPPCOM_DEBUG > 0)
4129 ELOG_TYPE_DECLARE (e) =
4131 .format = "ERR:vep_idx:%d is vep",
4132 .format_args = "i4",
4139 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4148 if (PREDICT_FALSE (!is_vep_session))
4150 if (VPPCOM_DEBUG > 0)
4151 clib_warning ("VCL<%d>: ERROR: session (%u) is not "
4152 "a vep session!", getpid (), sid);
4153 if (VPPCOM_DEBUG > 0)
4156 ELOG_TYPE_DECLARE (e) =
4158 .format = "ERR:SID:%d not vep",
4159 .format_args = "i4",
4166 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4175 if (PREDICT_FALSE (session_vep_idx != vep_idx))
4177 clib_warning ("VCL<%d>: ERROR: session (%u) "
4178 "vep_idx (%u) != vep_idx (%u)!",
4179 getpid (), sid, session->vep.vep_idx, vep_idx);
4184 add_event = clear_et_mask = 0;
4186 if (EPOLLIN & session_events)
4188 VCL_LOCK_AND_GET_SESSION (sid, &session);
4189 ready = vppcom_session_read_ready (session, sid);
4190 clib_spinlock_unlock (&vcm->sessions_lockp);
4191 if ((ready > 0) && (EPOLLIN & et_mask))
4194 events[num_ev].events |= EPOLLIN;
4195 if (((EPOLLET | EPOLLIN) & session_events) ==
4196 (EPOLLET | EPOLLIN))
4197 clear_et_mask |= EPOLLIN;
4204 case VPPCOM_ECONNRESET:
4205 events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
4209 events[num_ev].events |= EPOLLERR;
4215 if (EPOLLOUT & session_events)
4217 VCL_LOCK_AND_GET_SESSION (sid, &session);
4218 ready = vppcom_session_write_ready (session, sid);
4219 clib_spinlock_unlock (&vcm->sessions_lockp);
4220 if ((ready > 0) && (EPOLLOUT & et_mask))
4223 events[num_ev].events |= EPOLLOUT;
4224 if (((EPOLLET | EPOLLOUT) & session_events) ==
4225 (EPOLLET | EPOLLOUT))
4226 clear_et_mask |= EPOLLOUT;
4233 case VPPCOM_ECONNRESET:
4234 events[num_ev].events |= EPOLLHUP;
4238 events[num_ev].events |= EPOLLERR;
4246 events[num_ev].data.u64 = session_ev_data;
4247 if (EPOLLONESHOT & session_events)
4249 VCL_LOCK_AND_GET_SESSION (sid, &session);
4250 session->vep.ev.events = 0;
4251 clib_spinlock_unlock (&vcm->sessions_lockp);
4254 if (num_ev == maxevents)
4256 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4257 vep_session->wait_cont_idx = next_sid;
4258 clib_spinlock_unlock (&vcm->sessions_lockp);
4262 if (wait_cont_idx != ~0)
4265 next_sid = vep_next_sid;
4266 else if (next_sid == wait_cont_idx)
4270 if (wait_for_time != -1)
4271 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
4273 while ((num_ev == 0) && keep_trying);
4275 if (wait_cont_idx != ~0)
4277 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4278 vep_session->wait_cont_idx = ~0;
4279 clib_spinlock_unlock (&vcm->sessions_lockp);
4282 return (rv != VPPCOM_OK) ? rv : num_ev;
4286 vppcom_session_attr (uint32_t session_index, uint32_t op,
4287 void *buffer, uint32_t * buflen)
4291 u32 *flags = buffer;
4292 vppcom_endpt_t *ep = buffer;
4294 VCL_LOCK_AND_GET_SESSION (session_index, &session);
4297 case VPPCOM_ATTR_GET_NREAD:
4298 rv = vppcom_session_read_ready (session, session_index);
4299 if (VPPCOM_DEBUG > 2)
4300 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
4302 if (VPPCOM_DEBUG > 0)
4305 ELOG_TYPE_DECLARE (e) =
4307 .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
4308 .format_args = "i4",
4315 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4323 case VPPCOM_ATTR_GET_NWRITE:
4324 rv = vppcom_session_write_ready (session, session_index);
4325 if (VPPCOM_DEBUG > 2)
4326 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
4327 getpid (), session_index, rv);
4328 if (VPPCOM_DEBUG > 0)
4331 ELOG_TYPE_DECLARE (e) =
4333 .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
4334 .format_args = "i4",
4341 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4348 case VPPCOM_ATTR_GET_FLAGS:
4349 if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
4351 *flags = O_RDWR | ((session->is_nonblocking) ? O_NONBLOCK : 0);
4352 *buflen = sizeof (*flags);
4353 if (VPPCOM_DEBUG > 2)
4354 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
4355 "flags = 0x%08x, is_nonblocking = %u", getpid (),
4356 session_index, *flags, session->is_nonblocking);
4357 if (VPPCOM_DEBUG > 0)
4360 ELOG_TYPE_DECLARE (e) =
4362 .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
4363 .format_args = "i4i4",
4371 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4374 ed->is_nonblk = session->is_nonblocking;
4383 case VPPCOM_ATTR_SET_FLAGS:
4384 if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
4386 session->is_nonblocking = (*flags & O_NONBLOCK) ? 1 : 0;
4387 if (VPPCOM_DEBUG > 2)
4388 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
4389 "flags = 0x%08x, is_nonblocking = %u",
4390 getpid (), session_index, *flags,
4391 session->is_nonblocking);
4392 if (VPPCOM_DEBUG > 0)
4395 ELOG_TYPE_DECLARE (e) =
4397 .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
4398 .format_args = "i4i4",
4406 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4409 ed->is_nonblk = session->is_nonblocking;
4417 case VPPCOM_ATTR_GET_PEER_ADDR:
4418 if (PREDICT_TRUE (buffer && buflen &&
4419 (*buflen >= sizeof (*ep)) && ep->ip))
4421 ep->vrf = session->vrf;
4422 ep->is_ip4 = session->peer_addr.is_ip4;
4423 ep->port = session->peer_port;
4424 if (session->peer_addr.is_ip4)
4425 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
4426 sizeof (ip4_address_t));
4428 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
4429 sizeof (ip6_address_t));
4430 *buflen = sizeof (*ep);
4431 if (VPPCOM_DEBUG > 1)
4432 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
4433 "is_ip4 = %u, addr = %U, port %u", getpid (),
4434 session_index, ep->is_ip4, format_ip46_address,
4435 &session->peer_addr.ip46, ep->is_ip4,
4436 clib_net_to_host_u16 (ep->port));
4437 if (VPPCOM_DEBUG > 0)
4442 ELOG_TYPE_DECLARE (e) =
4444 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
4445 .format_args = "i1i1i1i1i2",
4447 CLIB_PACKED (struct {
4452 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4454 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
4455 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
4456 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
4457 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
4458 ed->port = clib_net_to_host_u16 (session->peer_port);
4464 ELOG_TYPE_DECLARE (e) =
4466 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
4467 .format_args = "i2",
4469 CLIB_PACKED (struct {
4473 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4475 ed->port = clib_net_to_host_u16 (session->peer_port);
4484 case VPPCOM_ATTR_GET_LCL_ADDR:
4485 if (PREDICT_TRUE (buffer && buflen &&
4486 (*buflen >= sizeof (*ep)) && ep->ip))
4488 ep->vrf = session->vrf;
4489 ep->is_ip4 = session->lcl_addr.is_ip4;
4490 ep->port = session->lcl_port;
4491 if (session->lcl_addr.is_ip4)
4492 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4,
4493 sizeof (ip4_address_t));
4495 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
4496 sizeof (ip6_address_t));
4497 *buflen = sizeof (*ep);
4498 if (VPPCOM_DEBUG > 1)
4499 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
4500 "is_ip4 = %u, addr = %U port %d", getpid (),
4501 session_index, ep->is_ip4, format_ip46_address,
4502 &session->lcl_addr.ip46, ep->is_ip4,
4503 clib_net_to_host_u16 (ep->port));
4504 if (VPPCOM_DEBUG > 0)
4509 ELOG_TYPE_DECLARE (e) =
4511 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
4512 .format_args = "i1i1i1i1i2",
4514 CLIB_PACKED (struct {
4519 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4521 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
4522 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
4523 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
4524 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
4525 ed->port = clib_net_to_host_u16 (session->peer_port);
4531 ELOG_TYPE_DECLARE (e) =
4533 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
4534 .format_args = "i2",
4536 CLIB_PACKED (struct {
4540 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4542 ed->port = clib_net_to_host_u16 (session->peer_port);
4551 case VPPCOM_ATTR_GET_LIBC_EPFD:
4552 rv = session->libc_epfd;
4553 if (VPPCOM_DEBUG > 2)
4554 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
4556 if (VPPCOM_DEBUG > 0)
4559 ELOG_TYPE_DECLARE (e) =
4561 .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
4562 .format_args = "i4",
4564 CLIB_PACKED (struct {
4568 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4569 ed->data = session->libc_epfd;
4575 case VPPCOM_ATTR_SET_LIBC_EPFD:
4576 if (PREDICT_TRUE (buffer && buflen &&
4577 (*buflen == sizeof (session->libc_epfd))))
4579 session->libc_epfd = *(int *) buffer;
4580 *buflen = sizeof (session->libc_epfd);
4582 if (VPPCOM_DEBUG > 2)
4583 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
4584 "buflen %d", getpid (), session->libc_epfd,
4586 if (VPPCOM_DEBUG > 0)
4589 ELOG_TYPE_DECLARE (e) =
4591 .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
4592 .format_args = "t1i4i4",
4593 .n_enum_strings = 2,
4594 .enum_strings = {"", "-",},
4596 CLIB_PACKED (struct {
4601 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4603 ed->sign = (session->libc_epfd < 0);
4604 ed->data[0] = abs(session->libc_epfd);
4605 ed->data[1] = *buflen;
4613 case VPPCOM_ATTR_GET_PROTOCOL:
4614 if (buffer && buflen && (*buflen >= sizeof (int)))
4616 *(int *) buffer = session->proto;
4617 *buflen = sizeof (int);
4619 if (VPPCOM_DEBUG > 2)
4620 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
4621 "buflen %d", getpid (), *(int *) buffer,
4622 *(int *) buffer ? "UDP" : "TCP", *buflen);
4623 if (VPPCOM_DEBUG > 0)
4626 ELOG_TYPE_DECLARE (e) =
4628 .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
4629 .format_args = "t1i4",
4630 .n_enum_strings = 2,
4631 .enum_strings = {"TCP", "UDP",},
4634 CLIB_PACKED (struct {
4639 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4640 ed->proto = session->proto;
4641 ed->buflen = *(int *) buffer;
4649 case VPPCOM_ATTR_GET_LISTEN:
4650 if (buffer && buflen && (*buflen >= sizeof (int)))
4652 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4653 VCL_SESS_ATTR_LISTEN);
4654 *buflen = sizeof (int);
4656 if (VPPCOM_DEBUG > 2)
4657 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
4658 "buflen %d", getpid (), *(int *) buffer, *buflen);
4659 if (VPPCOM_DEBUG > 0)
4662 ELOG_TYPE_DECLARE (e) =
4664 .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
4665 .format_args = "i4i4",
4672 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4673 ed->data[0] = *(int *) buffer;
4674 ed->data[1] = *buflen;
4682 case VPPCOM_ATTR_GET_ERROR:
4683 if (buffer && buflen && (*buflen >= sizeof (int)))
4685 *(int *) buffer = 0;
4686 *buflen = sizeof (int);
4688 if (VPPCOM_DEBUG > 2)
4689 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
4690 "buflen %d, #VPP-TBD#", getpid (),
4691 *(int *) buffer, *buflen);
4692 if (VPPCOM_DEBUG > 0)
4695 ELOG_TYPE_DECLARE (e) =
4697 .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
4698 .format_args = "i4i4",
4705 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4706 ed->data[0] = *(int *) buffer;
4707 ed->data[1] = *buflen;
4715 case VPPCOM_ATTR_GET_TX_FIFO_LEN:
4716 if (buffer && buflen && (*buflen >= sizeof (u32)))
4718 svm_fifo_t *tx_fifo;
4720 tx_fifo = ((!session->is_cut_thru || session->is_server) ?
4721 session->server_tx_fifo : session->server_rx_fifo);
4724 *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
4725 tx_fifo ? tx_fifo->nitems :
4726 vcm->cfg.tx_fifo_size);
4727 *buflen = sizeof (u32);
4729 if (VPPCOM_DEBUG > 2)
4730 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
4731 "buflen %d, #VPP-TBD#", getpid (),
4732 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4733 if (VPPCOM_DEBUG > 0)
4736 ELOG_TYPE_DECLARE (e) =
4738 .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
4739 .format_args = "i4i4",
4746 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4747 ed->data[0] = *(size_t *) buffer;
4748 ed->data[1] = *buflen;
4756 case VPPCOM_ATTR_SET_TX_FIFO_LEN:
4757 if (buffer && buflen && (*buflen == sizeof (u32)))
4760 session->sndbuf_size = *(u32 *) buffer;
4761 if (VPPCOM_DEBUG > 2)
4762 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4763 "buflen %d, #VPP-TBD#", getpid (),
4764 session->sndbuf_size, session->sndbuf_size,
4766 if (VPPCOM_DEBUG > 0)
4769 ELOG_TYPE_DECLARE (e) =
4771 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4772 .format_args = "i4i4",
4779 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4780 ed->data[0] = session->sndbuf_size;
4781 ed->data[1] = *buflen;
4789 case VPPCOM_ATTR_GET_RX_FIFO_LEN:
4790 if (buffer && buflen && (*buflen >= sizeof (u32)))
4792 svm_fifo_t *rx_fifo;
4794 rx_fifo = ((!session->is_cut_thru || session->is_server) ?
4795 session->server_rx_fifo : session->server_tx_fifo);
4798 *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
4799 rx_fifo ? rx_fifo->nitems :
4800 vcm->cfg.rx_fifo_size);
4801 *buflen = sizeof (u32);
4803 if (VPPCOM_DEBUG > 2)
4804 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
4805 "buflen %d, #VPP-TBD#", getpid (),
4806 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4807 if (VPPCOM_DEBUG > 0)
4810 ELOG_TYPE_DECLARE (e) =
4812 .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
4813 .format_args = "i4i4",
4820 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4821 ed->data[0] = *(size_t *) buffer;
4822 ed->data[1] = *buflen;
4830 case VPPCOM_ATTR_SET_RX_FIFO_LEN:
4831 if (buffer && buflen && (*buflen == sizeof (u32)))
4834 session->rcvbuf_size = *(u32 *) buffer;
4835 if (VPPCOM_DEBUG > 2)
4836 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4837 "buflen %d, #VPP-TBD#", getpid (),
4838 session->sndbuf_size, session->sndbuf_size,
4840 if (VPPCOM_DEBUG > 0)
4843 ELOG_TYPE_DECLARE (e) =
4845 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4846 .format_args = "i4i4",
4853 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4854 ed->data[0] = session->sndbuf_size;
4855 ed->data[1] = *buflen;
4863 case VPPCOM_ATTR_GET_REUSEADDR:
4864 if (buffer && buflen && (*buflen >= sizeof (int)))
4867 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4868 VCL_SESS_ATTR_REUSEADDR);
4869 *buflen = sizeof (int);
4871 if (VPPCOM_DEBUG > 2)
4872 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
4873 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4875 if (VPPCOM_DEBUG > 0)
4878 ELOG_TYPE_DECLARE (e) =
4880 .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
4881 .format_args = "i4i4",
4888 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4889 ed->data[0] = *(int *) buffer;
4890 ed->data[1] = *buflen;
4898 case VPPCOM_ATTR_SET_REUSEADDR:
4899 if (buffer && buflen && (*buflen == sizeof (int)) &&
4900 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4903 if (*(int *) buffer)
4904 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
4906 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
4908 if (VPPCOM_DEBUG > 2)
4909 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
4910 "buflen %d, #VPP-TBD#", getpid (),
4911 VCL_SESS_ATTR_TEST (session->attr,
4912 VCL_SESS_ATTR_REUSEADDR),
4914 if (VPPCOM_DEBUG > 0)
4917 ELOG_TYPE_DECLARE (e) =
4919 .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
4920 .format_args = "i4i4",
4927 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4928 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4929 VCL_SESS_ATTR_REUSEADDR);
4930 ed->data[1] = *buflen;
4938 case VPPCOM_ATTR_GET_REUSEPORT:
4939 if (buffer && buflen && (*buflen >= sizeof (int)))
4942 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4943 VCL_SESS_ATTR_REUSEPORT);
4944 *buflen = sizeof (int);
4946 if (VPPCOM_DEBUG > 2)
4947 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
4948 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4950 if (VPPCOM_DEBUG > 0)
4953 ELOG_TYPE_DECLARE (e) =
4955 .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
4956 .format_args = "i4i4",
4963 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4964 ed->data[0] = *(int *) buffer;
4965 ed->data[1] = *buflen;
4973 case VPPCOM_ATTR_SET_REUSEPORT:
4974 if (buffer && buflen && (*buflen == sizeof (int)) &&
4975 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4978 if (*(int *) buffer)
4979 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
4981 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
4983 if (VPPCOM_DEBUG > 2)
4984 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
4985 "buflen %d, #VPP-TBD#", getpid (),
4986 VCL_SESS_ATTR_TEST (session->attr,
4987 VCL_SESS_ATTR_REUSEPORT),
4989 if (VPPCOM_DEBUG > 0)
4992 ELOG_TYPE_DECLARE (e) =
4994 .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
4995 .format_args = "i4i4",
5002 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5003 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5004 VCL_SESS_ATTR_REUSEPORT);
5005 ed->data[1] = *buflen;
5013 case VPPCOM_ATTR_GET_BROADCAST:
5014 if (buffer && buflen && (*buflen >= sizeof (int)))
5017 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5018 VCL_SESS_ATTR_BROADCAST);
5019 *buflen = sizeof (int);
5021 if (VPPCOM_DEBUG > 2)
5022 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
5023 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5025 if (VPPCOM_DEBUG > 0)
5028 ELOG_TYPE_DECLARE (e) =
5030 .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
5031 .format_args = "i4i4",
5038 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5039 ed->data[0] = *(int *) buffer;
5040 ed->data[1] = *buflen;
5048 case VPPCOM_ATTR_SET_BROADCAST:
5049 if (buffer && buflen && (*buflen == sizeof (int)))
5052 if (*(int *) buffer)
5053 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
5055 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
5057 if (VPPCOM_DEBUG > 2)
5058 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
5059 "buflen %d, #VPP-TBD#", getpid (),
5060 VCL_SESS_ATTR_TEST (session->attr,
5061 VCL_SESS_ATTR_BROADCAST),
5063 if (VPPCOM_DEBUG > 0)
5066 ELOG_TYPE_DECLARE (e) =
5068 .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
5069 .format_args = "i4i4",
5076 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5077 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5078 VCL_SESS_ATTR_BROADCAST);
5079 ed->data[1] = *buflen;
5087 case VPPCOM_ATTR_GET_V6ONLY:
5088 if (buffer && buflen && (*buflen >= sizeof (int)))
5091 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5092 VCL_SESS_ATTR_V6ONLY);
5093 *buflen = sizeof (int);
5095 if (VPPCOM_DEBUG > 2)
5096 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
5097 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5099 if (VPPCOM_DEBUG > 0)
5102 ELOG_TYPE_DECLARE (e) =
5104 .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
5105 .format_args = "i4i4",
5112 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5113 ed->data[0] = *(int *) buffer;
5114 ed->data[1] = *buflen;
5122 case VPPCOM_ATTR_SET_V6ONLY:
5123 if (buffer && buflen && (*buflen == sizeof (int)))
5126 if (*(int *) buffer)
5127 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
5129 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
5131 if (VPPCOM_DEBUG > 2)
5132 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
5133 "buflen %d, #VPP-TBD#", getpid (),
5134 VCL_SESS_ATTR_TEST (session->attr,
5135 VCL_SESS_ATTR_V6ONLY), *buflen);
5136 if (VPPCOM_DEBUG > 0)
5139 ELOG_TYPE_DECLARE (e) =
5141 .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
5142 .format_args = "i4i4",
5149 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5150 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5151 VCL_SESS_ATTR_V6ONLY);
5152 ed->data[1] = *buflen;
5160 case VPPCOM_ATTR_GET_KEEPALIVE:
5161 if (buffer && buflen && (*buflen >= sizeof (int)))
5164 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5165 VCL_SESS_ATTR_KEEPALIVE);
5166 *buflen = sizeof (int);
5168 if (VPPCOM_DEBUG > 2)
5169 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
5170 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5172 if (VPPCOM_DEBUG > 0)
5175 ELOG_TYPE_DECLARE (e) =
5177 .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
5178 .format_args = "i4i4",
5185 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5186 ed->data[0] = *(int *) buffer;
5187 ed->data[1] = *buflen;
5195 case VPPCOM_ATTR_SET_KEEPALIVE:
5196 if (buffer && buflen && (*buflen == sizeof (int)))
5199 if (*(int *) buffer)
5200 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5202 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5204 if (VPPCOM_DEBUG > 2)
5205 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
5206 "buflen %d, #VPP-TBD#", getpid (),
5207 VCL_SESS_ATTR_TEST (session->attr,
5208 VCL_SESS_ATTR_KEEPALIVE),
5210 if (VPPCOM_DEBUG > 0)
5213 ELOG_TYPE_DECLARE (e) =
5215 .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
5216 .format_args = "i4i4",
5223 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5224 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5225 VCL_SESS_ATTR_KEEPALIVE);
5226 ed->data[1] = *buflen;
5234 case VPPCOM_ATTR_GET_TCP_NODELAY:
5235 if (buffer && buflen && (*buflen >= sizeof (int)))
5238 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5239 VCL_SESS_ATTR_TCP_NODELAY);
5240 *buflen = sizeof (int);
5242 if (VPPCOM_DEBUG > 2)
5243 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
5244 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5246 if (VPPCOM_DEBUG > 0)
5249 ELOG_TYPE_DECLARE (e) =
5251 .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
5252 .format_args = "i4i4",
5259 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5260 ed->data[0] = *(int *) buffer;
5261 ed->data[1] = *buflen;
5269 case VPPCOM_ATTR_SET_TCP_NODELAY:
5270 if (buffer && buflen && (*buflen == sizeof (int)))
5273 if (*(int *) buffer)
5274 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5276 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5278 if (VPPCOM_DEBUG > 2)
5279 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
5280 "buflen %d, #VPP-TBD#", getpid (),
5281 VCL_SESS_ATTR_TEST (session->attr,
5282 VCL_SESS_ATTR_TCP_NODELAY),
5284 if (VPPCOM_DEBUG > 0)
5287 ELOG_TYPE_DECLARE (e) =
5289 .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
5290 .format_args = "i4i4",
5297 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5298 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5299 VCL_SESS_ATTR_TCP_NODELAY);
5300 ed->data[1] = *buflen;
5308 case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
5309 if (buffer && buflen && (*buflen >= sizeof (int)))
5312 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5313 VCL_SESS_ATTR_TCP_KEEPIDLE);
5314 *buflen = sizeof (int);
5316 if (VPPCOM_DEBUG > 2)
5317 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
5318 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5320 if (VPPCOM_DEBUG > 0)
5323 ELOG_TYPE_DECLARE (e) =
5325 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5326 .format_args = "i4i4",
5333 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5334 ed->data[0] = *(int *) buffer;
5335 ed->data[1] = *buflen;
5343 case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
5344 if (buffer && buflen && (*buflen == sizeof (int)))
5347 if (*(int *) buffer)
5348 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5350 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5352 if (VPPCOM_DEBUG > 2)
5353 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
5354 "buflen %d, #VPP-TBD#", getpid (),
5355 VCL_SESS_ATTR_TEST (session->attr,
5356 VCL_SESS_ATTR_TCP_KEEPIDLE),
5358 if (VPPCOM_DEBUG > 0)
5361 ELOG_TYPE_DECLARE (e) =
5363 .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
5364 .format_args = "i4i4",
5371 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5372 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5373 VCL_SESS_ATTR_TCP_KEEPIDLE);
5374 ed->data[1] = *buflen;
5382 case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
5383 if (buffer && buflen && (*buflen >= sizeof (int)))
5386 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5387 VCL_SESS_ATTR_TCP_KEEPINTVL);
5388 *buflen = sizeof (int);
5390 if (VPPCOM_DEBUG > 2)
5391 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
5392 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5394 if (VPPCOM_DEBUG > 0)
5397 ELOG_TYPE_DECLARE (e) =
5399 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5400 .format_args = "i4i4",
5407 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5408 ed->data[0] = *(int *) buffer;
5409 ed->data[1] = *buflen;
5417 case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
5418 if (buffer && buflen && (*buflen == sizeof (int)))
5421 if (*(int *) buffer)
5422 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5424 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5426 if (VPPCOM_DEBUG > 2)
5427 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
5428 "buflen %d, #VPP-TBD#", getpid (),
5429 VCL_SESS_ATTR_TEST (session->attr,
5430 VCL_SESS_ATTR_TCP_KEEPINTVL),
5432 if (VPPCOM_DEBUG > 0)
5435 ELOG_TYPE_DECLARE (e) =
5437 .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
5438 .format_args = "i4i4",
5445 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5446 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5447 VCL_SESS_ATTR_TCP_KEEPINTVL);
5448 ed->data[1] = *buflen;
5456 case VPPCOM_ATTR_GET_TCP_USER_MSS:
5457 if (buffer && buflen && (*buflen >= sizeof (u32)))
5460 *(u32 *) buffer = session->user_mss;
5461 *buflen = sizeof (int);
5463 if (VPPCOM_DEBUG > 2)
5464 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
5465 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5467 if (VPPCOM_DEBUG > 0)
5470 ELOG_TYPE_DECLARE (e) =
5472 .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
5473 .format_args = "i4i4",
5480 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5481 ed->data[0] = *(int *) buffer;
5482 ed->data[1] = *buflen;
5490 case VPPCOM_ATTR_SET_TCP_USER_MSS:
5491 if (buffer && buflen && (*buflen == sizeof (u32)))
5494 session->user_mss = *(u32 *) buffer;
5496 if (VPPCOM_DEBUG > 2)
5497 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
5498 "buflen %d, #VPP-TBD#", getpid (),
5499 session->user_mss, *buflen);
5500 if (VPPCOM_DEBUG > 0)
5503 ELOG_TYPE_DECLARE (e) =
5505 .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
5506 .format_args = "i4i4",
5513 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5514 ed->data[0] = session->user_mss;
5515 ed->data[1] = *buflen;
5529 clib_spinlock_unlock (&vcm->sessions_lockp);
5534 vppcom_session_recvfrom (uint32_t session_index, void *buffer,
5535 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5538 session_t *session = 0;
5542 clib_spinlock_lock (&vcm->sessions_lockp);
5543 rv = vppcom_session_at_index (session_index, &session);
5544 if (PREDICT_FALSE (rv))
5546 clib_spinlock_unlock (&vcm->sessions_lockp);
5547 if (VPPCOM_DEBUG > 0)
5548 clib_warning ("VCL<%d>: invalid session, "
5549 "sid (%u) has been closed!",
5550 getpid (), session_index);
5551 if (VPPCOM_DEBUG > 0)
5554 ELOG_TYPE_DECLARE (e) =
5556 .format = "invalid session: %d closed",
5557 .format_args = "i4",
5564 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
5565 ed->data = session_index;
5569 clib_spinlock_unlock (&vcm->sessions_lockp);
5572 ep->vrf = session->vrf;
5573 ep->is_ip4 = session->peer_addr.is_ip4;
5574 ep->port = session->peer_port;
5575 if (session->peer_addr.is_ip4)
5576 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
5577 sizeof (ip4_address_t));
5579 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
5580 sizeof (ip6_address_t));
5581 clib_spinlock_unlock (&vcm->sessions_lockp);
5585 rv = vppcom_session_read (session_index, buffer, buflen);
5586 else if (flags & MSG_PEEK)
5587 rv = vppcom_session_peek (session_index, buffer, buflen);
5590 clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
5592 rv = VPPCOM_EAFNOSUPPORT;
5600 vppcom_session_sendto (uint32_t session_index, void *buffer,
5601 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5604 return VPPCOM_EINVAL;
5609 return VPPCOM_EINVAL;
5614 // TBD check the flags and do the right thing
5615 if (VPPCOM_DEBUG > 2)
5616 clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
5617 "not implemented yet.", getpid (), flags, flags);
5620 return (vppcom_session_write (session_index, buffer, buflen));
5624 vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
5626 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
5627 u32 i, keep_trying = 1;
5630 if (VPPCOM_DEBUG > 3)
5631 clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
5632 getpid (), vp, n_sids, wait_for_time);
5635 return VPPCOM_EFAULT;
5641 for (i = 0; i < n_sids; i++)
5643 ASSERT (vp[i].revents);
5645 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5646 clib_spinlock_unlock (&vcm->sessions_lockp);
5651 if (POLLIN & vp[i].events)
5653 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5654 rv = vppcom_session_read_ready (session, vp[i].sid);
5655 clib_spinlock_unlock (&vcm->sessions_lockp);
5658 *vp[i].revents |= POLLIN;
5665 case VPPCOM_ECONNRESET:
5666 *vp[i].revents = POLLHUP;
5670 *vp[i].revents = POLLERR;
5677 if (POLLOUT & vp[i].events)
5679 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5680 rv = vppcom_session_write_ready (session, vp[i].sid);
5681 clib_spinlock_unlock (&vcm->sessions_lockp);
5684 *vp[i].revents |= POLLOUT;
5691 case VPPCOM_ECONNRESET:
5692 *vp[i].revents = POLLHUP;
5696 *vp[i].revents = POLLERR;
5706 *vp[i].revents = POLLNVAL;
5710 if (wait_for_time != -1)
5711 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
5713 while ((num_ev == 0) && keep_trying);
5715 if (VPPCOM_DEBUG > 3)
5717 clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
5718 for (i = 0; i < n_sids; i++)
5720 clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
5721 ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
5722 vp[i].events, *vp[i].revents);
5729 * fd.io coding-style-patch-verification: ON
5732 * eval: (c-set-style "gnu")