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_main_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, n_fifos;
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;
2825 rv = svm_fifo_segment_create (a);
2826 if (PREDICT_FALSE (rv))
2828 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2829 "client sid %u svm_fifo_segment_create ('%s') "
2830 "failed! rv %d", getpid (), listen_vpp_handle,
2831 listen_session_index, client_session_index,
2832 a->segment_name, rv);
2833 vec_reset_length (a->new_segment_indices);
2834 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
2835 vppcom_send_connect_session_reply (client_session,
2836 client_session_index,
2837 client_session->vpp_handle,
2838 client_session->client_context,
2840 clib_spinlock_unlock (&vcm->sessions_lockp);
2845 client_session->segment_name = vec_dup ((u8 *) a->segment_name);
2846 client_session->sm_seg_index = a->new_segment_indices[0];
2847 vec_free (a->new_segment_indices);
2849 seg = svm_fifo_segment_get_segment (client_session->sm_seg_index);
2850 if (vcm->cfg.preallocated_fifo_pairs)
2852 n_fifos = vcm->cfg.preallocated_fifo_pairs;
2853 svm_fifo_segment_preallocate_fifo_pairs (seg, vcm->cfg.rx_fifo_size,
2854 vcm->cfg.tx_fifo_size,
2858 client_session->server_rx_fifo =
2859 svm_fifo_segment_alloc_fifo (seg, vcm->cfg.rx_fifo_size,
2860 FIFO_SEGMENT_RX_FREELIST);
2861 if (PREDICT_FALSE (!client_session->server_rx_fifo))
2863 svm_fifo_segment_delete (seg);
2864 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2865 "client sid %u rx fifo alloc failed! "
2866 "size %ld (0x%lx)", getpid (), listen_vpp_handle,
2867 listen_session_index, client_session_index,
2868 vcm->cfg.rx_fifo_size, vcm->cfg.rx_fifo_size);
2869 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
2870 vppcom_send_connect_session_reply (client_session,
2871 client_session_index,
2872 client_session->vpp_handle,
2873 client_session->client_context,
2875 clib_spinlock_unlock (&vcm->sessions_lockp);
2879 client_session->server_rx_fifo->master_session_index =
2880 client_session_index;
2882 client_session->server_tx_fifo =
2883 svm_fifo_segment_alloc_fifo (seg, vcm->cfg.tx_fifo_size,
2884 FIFO_SEGMENT_TX_FREELIST);
2885 if (PREDICT_FALSE (!client_session->server_tx_fifo))
2887 svm_fifo_segment_delete (seg);
2888 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
2889 "client sid %u tx fifo alloc failed! "
2890 "size %ld (0x%lx)", getpid (), listen_vpp_handle,
2891 listen_session_index, client_session_index,
2892 vcm->cfg.tx_fifo_size, vcm->cfg.tx_fifo_size);
2893 rv = VNET_API_ERROR_URI_FIFO_CREATE_FAILED;
2894 vppcom_send_connect_session_reply (client_session,
2895 client_session_index,
2896 client_session->vpp_handle,
2897 client_session->client_context,
2899 clib_spinlock_unlock (&vcm->sessions_lockp);
2903 client_session->server_tx_fifo->master_session_index =
2904 client_session_index;
2906 if (VPPCOM_DEBUG > 1)
2907 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: client sid %u "
2908 "created segment '%s', rx_fifo %p, tx_fifo %p",
2909 getpid (), listen_vpp_handle, listen_session_index,
2910 client_session_index, client_session->segment_name,
2911 client_session->server_rx_fifo,
2912 client_session->server_tx_fifo);
2914 #ifdef CUT_THRU_EVENT_QUEUE /* TBD */
2917 ssvm_shared_header_t *sh = seg->ssvm.sh;
2919 ssvm_lock_non_recursive (sh, 1);
2920 oldheap = ssvm_push_heap (sh);
2921 event_q = client_session->vpp_event_queue =
2922 svm_queue_init (vcm->cfg.event_queue_size,
2923 sizeof (session_fifo_event_t),
2924 getpid (), 0 /* signal not sent */ );
2925 ssvm_pop_heap (oldheap);
2926 ssvm_unlock_non_recursive (sh);
2929 vppcom_send_connect_session_reply (client_session,
2930 client_session_index,
2931 client_session->vpp_handle,
2932 client_session->client_context,
2933 0 /* retval OK */ );
2938 vppcom_send_accept_session_reply (client_session->vpp_handle,
2939 client_session->client_context,
2940 0 /* retval OK */ );
2943 if (VPPCOM_DEBUG > 0)
2944 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: accepted vpp handle "
2945 "0x%llx, sid %u%sconnection to local %s address "
2946 "%U port %u", getpid (), listen_vpp_handle,
2947 listen_session_index, client_session->vpp_handle,
2948 client_session_index, cut_thru_str,
2949 client_session->lcl_addr.is_ip4 ? "IPv4" : "IPv6",
2950 format_ip46_address, &client_session->lcl_addr.ip46,
2951 client_session->lcl_addr.is_ip4,
2952 clib_net_to_host_u16 (client_session->lcl_port));
2954 if (VPPCOM_DEBUG > 0)
2956 client_session->elog_track.name =
2957 (char *) format (0, "C:%d:S:%d%c", vcm->my_client_index,
2958 client_session_index, 0);
2959 elog_track_register (&vcm->elog_main, &client_session->elog_track);
2962 ELOG_TYPE_DECLARE (e) =
2964 .format = "accept cut-thru: listen_handle:%x from_handle:%x",
2965 .format_args = "i8i8",
2973 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, client_session->elog_track);
2974 ed->handle[0] = listen_vpp_handle;
2975 ed->handle[1] = client_session->vpp_handle;
2978 if (client_session->lcl_addr.is_ip4)
2981 ELOG_TYPE_DECLARE (e2) =
2983 .format = "accept cut-thru: S:%d %d.%d.%d.%d:%d ",
2984 .format_args = "i4i1i1i1i1i2",
2987 CLIB_PACKED (struct {
2994 ELOG_TRACK_DATA (&vcm->elog_main, e2, client_session->elog_track);
2995 ed2->session = client_session_index;
2996 ed2->addr[0] = client_session->lcl_addr.ip46.ip4.as_u8[0];
2997 ed2->addr[1] = client_session->lcl_addr.ip46.ip4.as_u8[1];
2998 ed2->addr[2] = client_session->lcl_addr.ip46.ip4.as_u8[2];
2999 ed2->addr[3] = client_session->lcl_addr.ip46.ip4.as_u8[3];
3000 ed2->port = clib_net_to_host_u16 (client_session->lcl_port);
3005 clib_spinlock_unlock (&vcm->sessions_lockp);
3006 rv = (int) client_session_index;
3012 vppcom_session_connect (uint32_t session_index, vppcom_endpt_t * server_ep)
3014 session_t *session = 0;
3015 int rv, retval = VPPCOM_OK;
3016 u64 vpp_handle = ~0;
3018 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3020 if (PREDICT_FALSE (session->is_vep))
3022 clib_spinlock_unlock (&vcm->sessions_lockp);
3023 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3024 "connect on an epoll session!", getpid (), session_index);
3029 vpp_handle = session->vpp_handle;
3030 if (PREDICT_FALSE (session->is_server))
3032 clib_spinlock_unlock (&vcm->sessions_lockp);
3033 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: is in use "
3034 "as a server session!", getpid (), vpp_handle,
3040 if (PREDICT_FALSE (session->state & CLIENT_STATE_OPEN))
3042 if (VPPCOM_DEBUG > 0)
3043 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: session already "
3044 "connected to %s %U port %d proto %s, state 0x%x (%s)",
3045 getpid (), vpp_handle, session_index,
3046 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
3047 format_ip46_address,
3048 &session->peer_addr.ip46, session->peer_addr.is_ip4,
3049 clib_net_to_host_u16 (session->peer_port),
3050 session->proto ? "UDP" : "TCP", session->state,
3051 vppcom_session_state_str (session->state));
3053 clib_spinlock_unlock (&vcm->sessions_lockp);
3057 session->vrf = server_ep->vrf;
3058 session->peer_addr.is_ip4 = server_ep->is_ip4;
3059 session->peer_addr.ip46 = to_ip46 (!server_ep->is_ip4, server_ep->ip);
3060 session->peer_port = server_ep->port;
3062 if (VPPCOM_DEBUG > 0)
3063 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connecting to server "
3064 "%s %U port %d proto %s",
3065 getpid (), vpp_handle, session_index,
3066 session->peer_addr.is_ip4 ? "IPv4" : "IPv6",
3067 format_ip46_address,
3068 &session->peer_addr.ip46, session->peer_addr.is_ip4,
3069 clib_net_to_host_u16 (session->peer_port),
3070 session->proto ? "UDP" : "TCP");
3072 vppcom_send_connect_sock (session, session_index);
3073 clib_spinlock_unlock (&vcm->sessions_lockp);
3076 vppcom_wait_for_session_state_change (session_index, STATE_CONNECT,
3077 vcm->cfg.session_timeout);
3079 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3080 vpp_handle = session->vpp_handle;
3081 clib_spinlock_unlock (&vcm->sessions_lockp);
3084 if (PREDICT_FALSE (retval))
3087 if (VPPCOM_DEBUG > 0)
3088 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connect failed! "
3089 "returning %d (%s)", getpid (), vpp_handle,
3090 session_index, rv, vppcom_retval_str (rv));
3092 else if (VPPCOM_DEBUG > 0)
3093 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: connected!",
3094 getpid (), vpp_handle, session_index);
3100 vppcom_session_read_internal (uint32_t session_index, void *buf, int n,
3103 session_t *session = 0;
3104 svm_fifo_t *rx_fifo;
3109 session_state_t state;
3116 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3118 if (PREDICT_FALSE (session->is_vep))
3120 clib_spinlock_unlock (&vcm->sessions_lockp);
3121 clib_warning ("VCL<%d>: ERROR: sid %u: cannot "
3122 "read from an epoll session!", getpid (), session_index);
3127 vpp_handle = session->vpp_handle;
3128 is_server = session->is_server;
3129 is_nonblocking = session->is_nonblocking;
3130 state = session->state;
3131 if (PREDICT_FALSE (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN))))
3133 clib_spinlock_unlock (&vcm->sessions_lockp);
3134 rv = ((state == STATE_DISCONNECT) ?
3135 VPPCOM_ECONNRESET : VPPCOM_ENOTCONN);
3137 if (VPPCOM_DEBUG > 0)
3138 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3139 "not open! state 0x%x (%s), returning %d (%s)",
3140 getpid (), vpp_handle, session_index,
3141 is_server ? "server" : "client", state,
3142 vppcom_session_state_str (state),
3143 rv, vppcom_retval_str (rv));
3147 rx_fifo = ((!session->is_cut_thru || is_server) ?
3148 session->server_rx_fifo : session->server_tx_fifo);
3149 fifo_str = ((!session->is_cut_thru || is_server) ?
3150 "server_rx_fifo" : "server_tx_fifo");
3151 clib_spinlock_unlock (&vcm->sessions_lockp);
3156 n_read = svm_fifo_peek (rx_fifo, 0, n, buf);
3158 n_read = svm_fifo_dequeue_nowait (rx_fifo, n, buf);
3160 while (!is_nonblocking && (n_read <= 0));
3164 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3166 poll_et = (((EPOLLET | EPOLLIN) & session->vep.ev.events) ==
3167 (EPOLLET | EPOLLIN));
3169 session->vep.et_mask |= EPOLLIN;
3171 if (state == STATE_CLOSE_ON_EMPTY)
3173 session_state_t new_state = STATE_DISCONNECT;
3174 rv = VPPCOM_ECONNRESET;
3176 if (VPPCOM_DEBUG > 1)
3178 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: Empty fifo "
3179 "with %s session state 0x%x (%s)!"
3180 " Setting state to 0x%x (%s), returning %d (%s)",
3181 getpid (), vpp_handle, session_index,
3182 is_server ? "server" : "client",
3183 state, vppcom_session_state_str (state),
3184 new_state, vppcom_session_state_str (new_state),
3185 rv, vppcom_retval_str (rv));
3188 session->state = new_state;
3193 clib_spinlock_unlock (&vcm->sessions_lockp);
3198 if (VPPCOM_DEBUG > 2)
3201 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: read %d bytes "
3202 "from %s (%p)", getpid (), vpp_handle,
3203 session_index, n_read, fifo_str, rx_fifo);
3205 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: nothing read! "
3206 "returning %d (%s)", getpid (), vpp_handle,
3207 session_index, rv, vppcom_retval_str (rv));
3214 vppcom_session_read (uint32_t session_index, void *buf, size_t n)
3216 return (vppcom_session_read_internal (session_index, buf, n, 0));
3220 vppcom_session_peek (uint32_t session_index, void *buf, int n)
3222 return (vppcom_session_read_internal (session_index, buf, n, 1));
3226 vppcom_session_read_ready (session_t * session, u32 session_index)
3228 svm_fifo_t *rx_fifo = 0;
3232 u8 is_server = session->is_server;
3233 session_state_t state = session->state;
3234 u64 vpp_handle = session->vpp_handle;
3236 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3237 if (PREDICT_FALSE (session->is_vep))
3239 clib_warning ("VCL<%d>: ERROR: sid %u: cannot read from an "
3240 "epoll session!", getpid (), session_index);
3245 if (session->is_listen)
3246 ready = clib_fifo_elts (vcm->client_session_index_fifo);
3249 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN | STATE_LISTEN)))
3251 rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3254 if (VPPCOM_DEBUG > 1)
3255 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: %s session is "
3256 "not open! state 0x%x (%s), returning %d (%s)",
3257 getpid (), vpp_handle, session_index,
3258 is_server ? "server" : "client",
3259 state, vppcom_session_state_str (state),
3260 rv, vppcom_retval_str (rv));
3264 rx_fifo = ((!session->is_cut_thru || is_server) ?
3265 session->server_rx_fifo : session->server_tx_fifo);
3267 ready = svm_fifo_max_dequeue (rx_fifo);
3273 ((EPOLLET | EPOLLIN) & session->vep.ev.events) == (EPOLLET | EPOLLIN);
3275 session->vep.et_mask |= EPOLLIN;
3277 if (state == STATE_CLOSE_ON_EMPTY)
3279 rv = VPPCOM_ECONNRESET;
3280 session_state_t new_state = STATE_DISCONNECT;
3282 if (VPPCOM_DEBUG > 1)
3284 clib_warning ("VCL<%d>: vpp handle 0x%llx, "
3285 "sid %u: Empty fifo with"
3286 " %s session state 0x%x (%s)! Setting state to "
3287 "0x%x (%s), returning %d (%s)",
3288 getpid (), session_index, vpp_handle,
3289 is_server ? "server" : "client",
3290 state, vppcom_session_state_str (state),
3291 new_state, vppcom_session_state_str (new_state),
3292 rv, vppcom_retval_str (rv));
3294 session->state = new_state;
3300 if (vcm->app_event_queue->cursize &&
3301 !pthread_mutex_trylock (&vcm->app_event_queue->mutex))
3303 u32 i, n_to_dequeue = vcm->app_event_queue->cursize;
3304 session_fifo_event_t e;
3306 for (i = 0; i < n_to_dequeue; i++)
3307 svm_queue_sub_raw (vcm->app_event_queue, (u8 *) & e);
3309 pthread_mutex_unlock (&vcm->app_event_queue->mutex);
3316 vppcom_session_write (uint32_t session_index, void *buf, size_t n)
3318 session_t *session = 0;
3319 svm_fifo_t *tx_fifo;
3321 session_fifo_event_t evt;
3327 session_state_t state;
3332 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3334 if (PREDICT_FALSE (session->is_vep))
3336 clib_spinlock_unlock (&vcm->sessions_lockp);
3337 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3338 "cannot write to an epoll session!",
3339 getpid (), session->vpp_handle, session_index);
3345 is_server = session->is_server;
3346 is_nonblocking = session->is_nonblocking;
3347 vpp_handle = session->vpp_handle;
3348 state = session->state;
3349 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3351 rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3354 clib_spinlock_unlock (&vcm->sessions_lockp);
3355 if (VPPCOM_DEBUG > 1)
3356 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3357 "%s session is not open! state 0x%x (%s)",
3358 getpid (), vpp_handle, session_index,
3359 is_server ? "server" : "client", state,
3360 vppcom_session_state_str (state));
3364 tx_fifo = ((!session->is_cut_thru || is_server) ?
3365 session->server_tx_fifo : session->server_rx_fifo);
3366 fifo_str = ((!session->is_cut_thru || is_server) ?
3367 "server_tx_fifo" : "server_rx_fifo");
3368 clib_spinlock_unlock (&vcm->sessions_lockp);
3372 n_write = svm_fifo_enqueue_nowait (tx_fifo, n, (void *) buf);
3374 while (!is_nonblocking && (n_write <= 0));
3376 /* If event wasn't set, add one */
3377 if (!session->is_cut_thru && (n_write > 0) && svm_fifo_set_event (tx_fifo))
3379 /* Fabricate TX event, send to vpp */
3381 evt.event_type = FIFO_EVENT_APP_TX;
3383 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3384 q = session->vpp_event_queue;
3386 svm_queue_add (q, (u8 *) & evt, 0 /* do wait for mutex */ );
3387 clib_spinlock_unlock (&vcm->sessions_lockp);
3388 if (VPPCOM_DEBUG > 1)
3389 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3390 "added FIFO_EVENT_APP_TX to "
3391 "vpp_event_q %p, n_write %d", getpid (),
3392 vpp_handle, session_index, q, n_write);
3397 VCL_LOCK_AND_GET_SESSION (session_index, &session);
3399 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3400 (EPOLLET | EPOLLOUT));
3402 session->vep.et_mask |= EPOLLOUT;
3404 if (state == STATE_CLOSE_ON_EMPTY)
3406 session_state_t new_state = STATE_DISCONNECT;
3407 rv = VPPCOM_ECONNRESET;
3409 if (VPPCOM_DEBUG > 1)
3411 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3412 "Empty fifo with %s session state 0x%x (%s)!"
3413 " Setting state to 0x%x (%s), returning %d (%s)",
3414 getpid (), vpp_handle, session_index,
3415 is_server ? "server" : "client",
3416 state, vppcom_session_state_str (state),
3417 new_state, vppcom_session_state_str (new_state),
3418 rv, vppcom_retval_str (rv));
3421 session->state = new_state;
3426 clib_spinlock_unlock (&vcm->sessions_lockp);
3431 if (VPPCOM_DEBUG > 2)
3434 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3435 "FIFO-FULL %s (%p)", getpid (), vpp_handle,
3436 session_index, fifo_str, tx_fifo);
3438 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3439 "wrote %d bytes to %s (%p)", getpid (), vpp_handle,
3440 session_index, n_write, fifo_str, tx_fifo);
3447 vppcom_session_write_ready (session_t * session, u32 session_index)
3449 svm_fifo_t *tx_fifo;
3454 u8 is_server = session->is_server;
3455 session_state_t state = session->state;
3457 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3458 if (PREDICT_FALSE (session->is_vep))
3460 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3461 "cannot write to an epoll session!",
3462 getpid (), session->vpp_handle, session_index);
3467 if (PREDICT_FALSE (session->is_listen))
3469 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3470 "cannot write to a listen session!",
3471 getpid (), session->vpp_handle, session_index);
3476 if (!(state & (SERVER_STATE_OPEN | CLIENT_STATE_OPEN)))
3478 session_state_t state = session->state;
3480 rv = ((state == STATE_DISCONNECT) ? VPPCOM_ECONNRESET :
3483 clib_warning ("VCL<%d>: ERROR: vpp handle 0x%llx, sid %u: "
3484 "%s session is not open! state 0x%x (%s), "
3485 "returning %d (%s)", getpid (), session->vpp_handle,
3486 session_index, is_server ? "server" : "client",
3487 state, vppcom_session_state_str (state),
3488 rv, vppcom_retval_str (rv));
3492 tx_fifo = ((!session->is_cut_thru || session->is_server) ?
3493 session->server_tx_fifo : session->server_rx_fifo);
3494 fifo_str = ((!session->is_cut_thru || session->is_server) ?
3495 "server_tx_fifo" : "server_rx_fifo");
3497 ready = svm_fifo_max_enqueue (tx_fifo);
3499 if (VPPCOM_DEBUG > 3)
3500 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3501 "peek %s (%p), ready = %d", getpid (),
3502 session->vpp_handle, session_index,
3503 fifo_str, tx_fifo, ready);
3507 poll_et = (((EPOLLET | EPOLLOUT) & session->vep.ev.events) ==
3508 (EPOLLET | EPOLLOUT));
3510 session->vep.et_mask |= EPOLLOUT;
3512 if (state == STATE_CLOSE_ON_EMPTY)
3514 rv = VPPCOM_ECONNRESET;
3515 session_state_t new_state = STATE_DISCONNECT;
3517 if (VPPCOM_DEBUG > 1)
3519 clib_warning ("VCL<%d>: vpp handle 0x%llx, sid %u: "
3520 "Empty fifo with %s session "
3521 "state 0x%x (%s)! Setting state to 0x%x (%s), "
3522 "returning %d (%s)", getpid (),
3523 session->vpp_handle, session_index,
3524 is_server ? "server" : "client",
3525 state, vppcom_session_state_str (state),
3526 new_state, vppcom_session_state_str (new_state),
3527 rv, vppcom_retval_str (rv));
3529 session->state = new_state;
3539 vppcom_select (unsigned long n_bits, unsigned long *read_map,
3540 unsigned long *write_map, unsigned long *except_map,
3541 double time_to_wait)
3544 session_t *session = 0;
3545 int rv, bits_set = 0;
3546 f64 timeout = clib_time_now (&vcm->clib_time) + time_to_wait;
3547 u32 minbits = clib_max (n_bits, BITS (uword));
3549 ASSERT (sizeof (clib_bitmap_t) == sizeof (long int));
3551 if (n_bits && read_map)
3553 clib_bitmap_validate (vcm->rd_bitmap, minbits);
3554 clib_memcpy (vcm->rd_bitmap, read_map,
3555 vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3556 memset (read_map, 0, vec_len (vcm->rd_bitmap) * sizeof (clib_bitmap_t));
3558 if (n_bits && write_map)
3560 clib_bitmap_validate (vcm->wr_bitmap, minbits);
3561 clib_memcpy (vcm->wr_bitmap, write_map,
3562 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3563 memset (write_map, 0,
3564 vec_len (vcm->wr_bitmap) * sizeof (clib_bitmap_t));
3566 if (n_bits && except_map)
3568 clib_bitmap_validate (vcm->ex_bitmap, minbits);
3569 clib_memcpy (vcm->ex_bitmap, except_map,
3570 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3571 memset (except_map, 0,
3572 vec_len (vcm->ex_bitmap) * sizeof (clib_bitmap_t));
3582 clib_bitmap_foreach (session_index, vcm->rd_bitmap,
3584 clib_spinlock_lock (&vcm->sessions_lockp);
3585 rv = vppcom_session_at_index (session_index, &session);
3588 clib_spinlock_unlock (&vcm->sessions_lockp);
3589 if (VPPCOM_DEBUG > 1)
3590 clib_warning ("VCL<%d>: session %d specified in "
3591 "read_map is closed.", getpid (),
3593 bits_set = VPPCOM_EBADFD;
3597 rv = vppcom_session_read_ready (session, session_index);
3598 clib_spinlock_unlock (&vcm->sessions_lockp);
3599 if (except_map && vcm->ex_bitmap &&
3600 clib_bitmap_get (vcm->ex_bitmap, session_index) &&
3603 clib_bitmap_set_no_check (except_map, session_index, 1);
3608 clib_bitmap_set_no_check (read_map, session_index, 1);
3616 clib_bitmap_foreach (session_index, vcm->wr_bitmap,
3618 clib_spinlock_lock (&vcm->sessions_lockp);
3619 rv = vppcom_session_at_index (session_index, &session);
3622 clib_spinlock_unlock (&vcm->sessions_lockp);
3623 if (VPPCOM_DEBUG > 0)
3624 clib_warning ("VCL<%d>: session %d specified in "
3625 "write_map is closed.", getpid (),
3627 bits_set = VPPCOM_EBADFD;
3631 rv = vppcom_session_write_ready (session, session_index);
3632 clib_spinlock_unlock (&vcm->sessions_lockp);
3633 if (write_map && (rv > 0))
3635 clib_bitmap_set_no_check (write_map, session_index, 1);
3643 clib_bitmap_foreach (session_index, vcm->ex_bitmap,
3645 clib_spinlock_lock (&vcm->sessions_lockp);
3646 rv = vppcom_session_at_index (session_index, &session);
3649 clib_spinlock_unlock (&vcm->sessions_lockp);
3650 if (VPPCOM_DEBUG > 1)
3651 clib_warning ("VCL<%d>: session %d specified in "
3652 "except_map is closed.", getpid (),
3654 bits_set = VPPCOM_EBADFD;
3658 rv = vppcom_session_read_ready (session, session_index);
3659 clib_spinlock_unlock (&vcm->sessions_lockp);
3662 clib_bitmap_set_no_check (except_map, session_index, 1);
3670 while ((time_to_wait == -1) || (clib_time_now (&vcm->clib_time) < timeout));
3677 vep_verify_epoll_chain (u32 vep_idx)
3680 vppcom_epoll_t *vep;
3684 if (VPPCOM_DEBUG <= 1)
3687 /* Assumes caller has acquired spinlock: vcm->sessions_lockp */
3688 rv = vppcom_session_at_index (vep_idx, &session);
3689 if (PREDICT_FALSE (rv))
3691 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!",
3692 getpid (), vep_idx);
3695 if (PREDICT_FALSE (!session->is_vep))
3697 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3698 getpid (), vep_idx);
3701 vep = &session->vep;
3702 clib_warning ("VCL<%d>: vep_idx (%u): Dumping epoll chain\n"
3705 " is_vep_session = %u\n"
3706 " next_sid = 0x%x (%u)\n"
3707 " wait_cont_idx = 0x%x (%u)\n"
3708 "}\n", getpid (), vep_idx,
3709 session->is_vep, session->is_vep_session,
3710 vep->next_sid, vep->next_sid,
3711 session->wait_cont_idx, session->wait_cont_idx);
3713 for (sid = vep->next_sid; sid != ~0; sid = vep->next_sid)
3715 rv = vppcom_session_at_index (sid, &session);
3716 if (PREDICT_FALSE (rv))
3718 clib_warning ("VCL<%d>: ERROR: Invalid sid (%u)!", getpid (), sid);
3721 if (PREDICT_FALSE (session->is_vep))
3722 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
3723 getpid (), vep_idx);
3724 else if (PREDICT_FALSE (!session->is_vep_session))
3726 clib_warning ("VCL<%d>: ERROR: session (%u) "
3727 "is not a vep session!", getpid (), sid);
3730 vep = &session->vep;
3731 if (PREDICT_FALSE (vep->vep_idx != vep_idx))
3732 clib_warning ("VCL<%d>: ERROR: session (%u) vep_idx (%u) != "
3733 "vep_idx (%u)!", getpid (),
3734 sid, session->vep.vep_idx, vep_idx);
3735 if (session->is_vep_session)
3737 clib_warning ("vep_idx[%u]: sid 0x%x (%u)\n"
3739 " next_sid = 0x%x (%u)\n"
3740 " prev_sid = 0x%x (%u)\n"
3741 " vep_idx = 0x%x (%u)\n"
3742 " ev.events = 0x%x\n"
3743 " ev.data.u64 = 0x%llx\n"
3747 vep->next_sid, vep->next_sid,
3748 vep->prev_sid, vep->prev_sid,
3749 vep->vep_idx, vep->vep_idx,
3750 vep->ev.events, vep->ev.data.u64, vep->et_mask);
3755 clib_warning ("VCL<%d>: vep_idx (%u): Dump complete!\n",
3756 getpid (), vep_idx);
3760 vppcom_epoll_create (void)
3762 session_t *vep_session;
3765 clib_spinlock_lock (&vcm->sessions_lockp);
3766 pool_get (vcm->sessions, vep_session);
3767 memset (vep_session, 0, sizeof (*vep_session));
3768 vep_idx = vep_session - vcm->sessions;
3770 vep_session->is_vep = 1;
3771 vep_session->vep.vep_idx = ~0;
3772 vep_session->vep.next_sid = ~0;
3773 vep_session->vep.prev_sid = ~0;
3774 vep_session->wait_cont_idx = ~0;
3775 vep_session->vpp_handle = ~0;
3776 clib_spinlock_unlock (&vcm->sessions_lockp);
3778 if (VPPCOM_DEBUG > 0)
3779 clib_warning ("VCL<%d>: Created vep_idx %u / sid %u!",
3780 getpid (), vep_idx, vep_idx);
3782 if (VPPCOM_DEBUG > 0)
3784 vep_session->elog_track.name =
3785 (char *) format (0, "C:%d:VEP:%d%c", vcm->my_client_index,
3787 elog_track_register (&vcm->elog_main, &vep_session->elog_track);
3790 ELOG_TYPE_DECLARE (e) =
3792 .format = "created epoll session:%d",
3793 .format_args = "i4",
3801 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track);
3810 vppcom_epoll_ctl (uint32_t vep_idx, int op, uint32_t session_index,
3811 struct epoll_event *event)
3813 session_t *vep_session;
3817 if (vep_idx == session_index)
3819 clib_warning ("VCL<%d>: ERROR: vep_idx == session_index (%u)!",
3820 getpid (), vep_idx);
3821 return VPPCOM_EINVAL;
3824 clib_spinlock_lock (&vcm->sessions_lockp);
3825 rv = vppcom_session_at_index (vep_idx, &vep_session);
3826 if (PREDICT_FALSE (rv))
3828 clib_warning ("VCL<%d>: ERROR: Invalid vep_idx (%u)!", vep_idx);
3831 if (PREDICT_FALSE (!vep_session->is_vep))
3833 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
3834 getpid (), vep_idx);
3839 ASSERT (vep_session->vep.vep_idx == ~0);
3840 ASSERT (vep_session->vep.prev_sid == ~0);
3842 rv = vppcom_session_at_index (session_index, &session);
3843 if (PREDICT_FALSE (rv))
3845 if (VPPCOM_DEBUG > 0)
3846 clib_warning ("VCL<%d>: ERROR: Invalid session_index (%u)!",
3847 getpid (), session_index);
3850 if (PREDICT_FALSE (session->is_vep))
3852 clib_warning ("ERROR: session_index (%u) is a vep!", vep_idx);
3860 if (PREDICT_FALSE (!event))
3862 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: NULL pointer to "
3863 "epoll_event structure!", getpid ());
3867 if (vep_session->vep.next_sid != ~0)
3869 session_t *next_session;
3870 rv = vppcom_session_at_index (vep_session->vep.next_sid,
3872 if (PREDICT_FALSE (rv))
3874 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_ADD: Invalid "
3875 "vep.next_sid (%u) on vep_idx (%u)!",
3876 getpid (), vep_session->vep.next_sid, vep_idx);
3879 ASSERT (next_session->vep.prev_sid == vep_idx);
3880 next_session->vep.prev_sid = session_index;
3882 session->vep.next_sid = vep_session->vep.next_sid;
3883 session->vep.prev_sid = vep_idx;
3884 session->vep.vep_idx = vep_idx;
3885 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3886 session->vep.ev = *event;
3887 session->is_vep = 0;
3888 session->is_vep_session = 1;
3889 vep_session->vep.next_sid = session_index;
3890 if (VPPCOM_DEBUG > 1)
3891 clib_warning ("VCL<%d>: EPOLL_CTL_ADD: vep_idx %u, "
3892 "sid %u, events 0x%x, data 0x%llx!",
3893 getpid (), vep_idx, session_index,
3894 event->events, event->data.u64);
3895 if (VPPCOM_DEBUG > 0)
3898 ELOG_TYPE_DECLARE (e) =
3900 .format = "epoll_ctladd: events:%x data:%x",
3901 .format_args = "i4i4i8",
3909 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
3911 ed->events = event->events;
3912 ed->event_data = event->data.u64;
3918 if (PREDICT_FALSE (!event))
3920 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_MOD: NULL pointer to "
3921 "epoll_event structure!", getpid ());
3925 else if (PREDICT_FALSE (!session->is_vep_session))
3927 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3928 "not a vep session!", getpid (), session_index);
3932 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3934 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_MOD: "
3935 "vep_idx (%u) != vep_idx (%u)!",
3936 getpid (), session_index,
3937 session->vep.vep_idx, vep_idx);
3941 session->vep.et_mask = VEP_DEFAULT_ET_MASK;
3942 session->vep.ev = *event;
3943 if (VPPCOM_DEBUG > 1)
3945 ("VCL<%d>: EPOLL_CTL_MOD: vep_idx %u, sid %u, events 0x%x,"
3946 " data 0x%llx!", getpid (), vep_idx, session_index, event->events,
3951 if (PREDICT_FALSE (!session->is_vep_session))
3953 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3954 "not a vep session!", getpid (), session_index);
3958 else if (PREDICT_FALSE (session->vep.vep_idx != vep_idx))
3960 clib_warning ("VCL<%d>: ERROR: sid %u EPOLL_CTL_DEL: "
3961 "vep_idx (%u) != vep_idx (%u)!",
3962 getpid (), session_index,
3963 session->vep.vep_idx, vep_idx);
3968 vep_session->wait_cont_idx =
3969 (vep_session->wait_cont_idx == session_index) ?
3970 session->vep.next_sid : vep_session->wait_cont_idx;
3972 if (session->vep.prev_sid == vep_idx)
3973 vep_session->vep.next_sid = session->vep.next_sid;
3976 session_t *prev_session;
3977 rv = vppcom_session_at_index (session->vep.prev_sid, &prev_session);
3978 if (PREDICT_FALSE (rv))
3980 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3981 "vep.prev_sid (%u) on sid (%u)!",
3982 getpid (), session->vep.prev_sid, session_index);
3985 ASSERT (prev_session->vep.next_sid == session_index);
3986 prev_session->vep.next_sid = session->vep.next_sid;
3988 if (session->vep.next_sid != ~0)
3990 session_t *next_session;
3991 rv = vppcom_session_at_index (session->vep.next_sid, &next_session);
3992 if (PREDICT_FALSE (rv))
3994 clib_warning ("VCL<%d>: ERROR: EPOLL_CTL_DEL: Invalid "
3995 "vep.next_sid (%u) on sid (%u)!",
3996 getpid (), session->vep.next_sid, session_index);
3999 ASSERT (next_session->vep.prev_sid == session_index);
4000 next_session->vep.prev_sid = session->vep.prev_sid;
4003 memset (&session->vep, 0, sizeof (session->vep));
4004 session->vep.next_sid = ~0;
4005 session->vep.prev_sid = ~0;
4006 session->vep.vep_idx = ~0;
4007 session->is_vep_session = 0;
4008 if (VPPCOM_DEBUG > 1)
4009 clib_warning ("VCL<%d>: EPOLL_CTL_DEL: vep_idx %u, sid %u!",
4010 getpid (), vep_idx, session_index);
4011 if (VPPCOM_DEBUG > 0)
4014 ELOG_TYPE_DECLARE (e) =
4016 .format = "epoll_ctldel: vep:%d",
4017 .format_args = "i4",
4024 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4032 clib_warning ("VCL<%d>: ERROR: Invalid operation (%d)!", getpid (), op);
4036 vep_verify_epoll_chain (vep_idx);
4039 clib_spinlock_unlock (&vcm->sessions_lockp);
4044 vppcom_epoll_wait (uint32_t vep_idx, struct epoll_event *events,
4045 int maxevents, double wait_for_time)
4047 session_t *vep_session;
4049 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
4050 u32 keep_trying = 1;
4052 u32 vep_next_sid, wait_cont_idx;
4055 if (PREDICT_FALSE (maxevents <= 0))
4057 clib_warning ("VCL<%d>: ERROR: Invalid maxevents (%d)!",
4058 getpid (), maxevents);
4059 return VPPCOM_EINVAL;
4061 memset (events, 0, sizeof (*events) * maxevents);
4063 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4064 vep_next_sid = vep_session->vep.next_sid;
4065 is_vep = vep_session->is_vep;
4066 wait_cont_idx = vep_session->wait_cont_idx;
4067 clib_spinlock_unlock (&vcm->sessions_lockp);
4069 if (PREDICT_FALSE (!is_vep))
4071 clib_warning ("VCL<%d>: ERROR: vep_idx (%u) is not a vep!",
4072 getpid (), vep_idx);
4076 if (PREDICT_FALSE (vep_next_sid == ~0))
4078 if (VPPCOM_DEBUG > 0)
4079 clib_warning ("VCL<%d>: WARNING: vep_idx (%u) is empty!",
4080 getpid (), vep_idx);
4081 if (VPPCOM_DEBUG > 0)
4084 ELOG_TYPE_DECLARE (e) =
4086 .format = "WRN: vep_idx:%d empty",
4087 .format_args = "i4",
4094 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vep_session->elog_track);
4108 for (sid = (wait_cont_idx == ~0) ? vep_next_sid : wait_cont_idx;
4109 sid != ~0; sid = next_sid)
4111 u32 session_events, et_mask, clear_et_mask, session_vep_idx;
4112 u8 add_event, is_vep_session;
4114 u64 session_ev_data;
4116 VCL_LOCK_AND_GET_SESSION (sid, &session);
4117 next_sid = session->vep.next_sid;
4118 session_events = session->vep.ev.events;
4119 et_mask = session->vep.et_mask;
4120 is_vep = session->is_vep;
4121 is_vep_session = session->is_vep_session;
4122 session_vep_idx = session->vep.vep_idx;
4123 session_ev_data = session->vep.ev.data.u64;
4124 clib_spinlock_unlock (&vcm->sessions_lockp);
4126 if (PREDICT_FALSE (is_vep))
4128 if (VPPCOM_DEBUG > 0)
4129 clib_warning ("VCL<%d>: ERROR: sid (%u) is a vep!",
4130 getpid (), vep_idx);
4131 if (VPPCOM_DEBUG > 0)
4134 ELOG_TYPE_DECLARE (e) =
4136 .format = "ERR:vep_idx:%d is vep",
4137 .format_args = "i4",
4144 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4153 if (PREDICT_FALSE (!is_vep_session))
4155 if (VPPCOM_DEBUG > 0)
4156 clib_warning ("VCL<%d>: ERROR: session (%u) is not "
4157 "a vep session!", getpid (), sid);
4158 if (VPPCOM_DEBUG > 0)
4161 ELOG_TYPE_DECLARE (e) =
4163 .format = "ERR:SID:%d not vep",
4164 .format_args = "i4",
4171 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4180 if (PREDICT_FALSE (session_vep_idx != vep_idx))
4182 clib_warning ("VCL<%d>: ERROR: session (%u) "
4183 "vep_idx (%u) != vep_idx (%u)!",
4184 getpid (), sid, session->vep.vep_idx, vep_idx);
4189 add_event = clear_et_mask = 0;
4191 if (EPOLLIN & session_events)
4193 VCL_LOCK_AND_GET_SESSION (sid, &session);
4194 ready = vppcom_session_read_ready (session, sid);
4195 clib_spinlock_unlock (&vcm->sessions_lockp);
4196 if ((ready > 0) && (EPOLLIN & et_mask))
4199 events[num_ev].events |= EPOLLIN;
4200 if (((EPOLLET | EPOLLIN) & session_events) ==
4201 (EPOLLET | EPOLLIN))
4202 clear_et_mask |= EPOLLIN;
4209 case VPPCOM_ECONNRESET:
4210 events[num_ev].events |= EPOLLHUP | EPOLLRDHUP;
4214 events[num_ev].events |= EPOLLERR;
4220 if (EPOLLOUT & session_events)
4222 VCL_LOCK_AND_GET_SESSION (sid, &session);
4223 ready = vppcom_session_write_ready (session, sid);
4224 clib_spinlock_unlock (&vcm->sessions_lockp);
4225 if ((ready > 0) && (EPOLLOUT & et_mask))
4228 events[num_ev].events |= EPOLLOUT;
4229 if (((EPOLLET | EPOLLOUT) & session_events) ==
4230 (EPOLLET | EPOLLOUT))
4231 clear_et_mask |= EPOLLOUT;
4238 case VPPCOM_ECONNRESET:
4239 events[num_ev].events |= EPOLLHUP;
4243 events[num_ev].events |= EPOLLERR;
4251 events[num_ev].data.u64 = session_ev_data;
4252 if (EPOLLONESHOT & session_events)
4254 VCL_LOCK_AND_GET_SESSION (sid, &session);
4255 session->vep.ev.events = 0;
4256 clib_spinlock_unlock (&vcm->sessions_lockp);
4259 if (num_ev == maxevents)
4261 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4262 vep_session->wait_cont_idx = next_sid;
4263 clib_spinlock_unlock (&vcm->sessions_lockp);
4267 if (wait_cont_idx != ~0)
4270 next_sid = vep_next_sid;
4271 else if (next_sid == wait_cont_idx)
4275 if (wait_for_time != -1)
4276 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
4278 while ((num_ev == 0) && keep_trying);
4280 if (wait_cont_idx != ~0)
4282 VCL_LOCK_AND_GET_SESSION (vep_idx, &vep_session);
4283 vep_session->wait_cont_idx = ~0;
4284 clib_spinlock_unlock (&vcm->sessions_lockp);
4287 return (rv != VPPCOM_OK) ? rv : num_ev;
4291 vppcom_session_attr (uint32_t session_index, uint32_t op,
4292 void *buffer, uint32_t * buflen)
4296 u32 *flags = buffer;
4297 vppcom_endpt_t *ep = buffer;
4299 VCL_LOCK_AND_GET_SESSION (session_index, &session);
4302 case VPPCOM_ATTR_GET_NREAD:
4303 rv = vppcom_session_read_ready (session, session_index);
4304 if (VPPCOM_DEBUG > 2)
4305 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NREAD: sid %u, nread = %d",
4307 if (VPPCOM_DEBUG > 0)
4310 ELOG_TYPE_DECLARE (e) =
4312 .format = "VPPCOM_ATTR_GET_NREAD: nread=%d",
4313 .format_args = "i4",
4320 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4328 case VPPCOM_ATTR_GET_NWRITE:
4329 rv = vppcom_session_write_ready (session, session_index);
4330 if (VPPCOM_DEBUG > 2)
4331 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_NWRITE: sid %u, nwrite = %d",
4332 getpid (), session_index, rv);
4333 if (VPPCOM_DEBUG > 0)
4336 ELOG_TYPE_DECLARE (e) =
4338 .format = "VPPCOM_ATTR_GET_NWRITE: nwrite=%d",
4339 .format_args = "i4",
4346 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4353 case VPPCOM_ATTR_GET_FLAGS:
4354 if (PREDICT_TRUE (buffer && buflen && (*buflen >= sizeof (*flags))))
4356 *flags = O_RDWR | ((session->is_nonblocking) ? O_NONBLOCK : 0);
4357 *buflen = sizeof (*flags);
4358 if (VPPCOM_DEBUG > 2)
4359 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_FLAGS: sid %u, "
4360 "flags = 0x%08x, is_nonblocking = %u", getpid (),
4361 session_index, *flags, session->is_nonblocking);
4362 if (VPPCOM_DEBUG > 0)
4365 ELOG_TYPE_DECLARE (e) =
4367 .format = "VPPCOM_ATTR_GET_FLAGS: flags=%x is_nonblk=%d",
4368 .format_args = "i4i4",
4376 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4379 ed->is_nonblk = session->is_nonblocking;
4388 case VPPCOM_ATTR_SET_FLAGS:
4389 if (PREDICT_TRUE (buffer && buflen && (*buflen == sizeof (*flags))))
4391 session->is_nonblocking = (*flags & O_NONBLOCK) ? 1 : 0;
4392 if (VPPCOM_DEBUG > 2)
4393 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_FLAGS: sid %u, "
4394 "flags = 0x%08x, is_nonblocking = %u",
4395 getpid (), session_index, *flags,
4396 session->is_nonblocking);
4397 if (VPPCOM_DEBUG > 0)
4400 ELOG_TYPE_DECLARE (e) =
4402 .format = "VPPCOM_ATTR_SET_FLAGS: flags=%x is_nonblk=%d",
4403 .format_args = "i4i4",
4411 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4414 ed->is_nonblk = session->is_nonblocking;
4422 case VPPCOM_ATTR_GET_PEER_ADDR:
4423 if (PREDICT_TRUE (buffer && buflen &&
4424 (*buflen >= sizeof (*ep)) && ep->ip))
4426 ep->vrf = session->vrf;
4427 ep->is_ip4 = session->peer_addr.is_ip4;
4428 ep->port = session->peer_port;
4429 if (session->peer_addr.is_ip4)
4430 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
4431 sizeof (ip4_address_t));
4433 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
4434 sizeof (ip6_address_t));
4435 *buflen = sizeof (*ep);
4436 if (VPPCOM_DEBUG > 1)
4437 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PEER_ADDR: sid %u, "
4438 "is_ip4 = %u, addr = %U, port %u", getpid (),
4439 session_index, ep->is_ip4, format_ip46_address,
4440 &session->peer_addr.ip46, ep->is_ip4,
4441 clib_net_to_host_u16 (ep->port));
4442 if (VPPCOM_DEBUG > 0)
4447 ELOG_TYPE_DECLARE (e) =
4449 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:%d.%d.%d.%d:%d",
4450 .format_args = "i1i1i1i1i2",
4452 CLIB_PACKED (struct {
4457 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4459 ed->addr[0] = session->peer_addr.ip46.ip4.as_u8[0];
4460 ed->addr[1] = session->peer_addr.ip46.ip4.as_u8[1];
4461 ed->addr[2] = session->peer_addr.ip46.ip4.as_u8[2];
4462 ed->addr[3] = session->peer_addr.ip46.ip4.as_u8[3];
4463 ed->port = clib_net_to_host_u16 (session->peer_port);
4469 ELOG_TYPE_DECLARE (e) =
4471 .format = "VPPCOM_ATTR_GET_PEER_ADDR: addr:IP6:%d",
4472 .format_args = "i2",
4474 CLIB_PACKED (struct {
4478 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4480 ed->port = clib_net_to_host_u16 (session->peer_port);
4489 case VPPCOM_ATTR_GET_LCL_ADDR:
4490 if (PREDICT_TRUE (buffer && buflen &&
4491 (*buflen >= sizeof (*ep)) && ep->ip))
4493 ep->vrf = session->vrf;
4494 ep->is_ip4 = session->lcl_addr.is_ip4;
4495 ep->port = session->lcl_port;
4496 if (session->lcl_addr.is_ip4)
4497 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip4,
4498 sizeof (ip4_address_t));
4500 clib_memcpy (ep->ip, &session->lcl_addr.ip46.ip6,
4501 sizeof (ip6_address_t));
4502 *buflen = sizeof (*ep);
4503 if (VPPCOM_DEBUG > 1)
4504 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LCL_ADDR: sid %u, "
4505 "is_ip4 = %u, addr = %U port %d", getpid (),
4506 session_index, ep->is_ip4, format_ip46_address,
4507 &session->lcl_addr.ip46, ep->is_ip4,
4508 clib_net_to_host_u16 (ep->port));
4509 if (VPPCOM_DEBUG > 0)
4514 ELOG_TYPE_DECLARE (e) =
4516 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:%d.%d.%d.%d:%d",
4517 .format_args = "i1i1i1i1i2",
4519 CLIB_PACKED (struct {
4524 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4526 ed->addr[0] = session->lcl_addr.ip46.ip4.as_u8[0];
4527 ed->addr[1] = session->lcl_addr.ip46.ip4.as_u8[1];
4528 ed->addr[2] = session->lcl_addr.ip46.ip4.as_u8[2];
4529 ed->addr[3] = session->lcl_addr.ip46.ip4.as_u8[3];
4530 ed->port = clib_net_to_host_u16 (session->peer_port);
4536 ELOG_TYPE_DECLARE (e) =
4538 .format = "VPPCOM_ATTR_GET_LCL_ADDR: addr:IP6:%d",
4539 .format_args = "i2",
4541 CLIB_PACKED (struct {
4545 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4547 ed->port = clib_net_to_host_u16 (session->peer_port);
4556 case VPPCOM_ATTR_GET_LIBC_EPFD:
4557 rv = session->libc_epfd;
4558 if (VPPCOM_DEBUG > 2)
4559 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd %d",
4561 if (VPPCOM_DEBUG > 0)
4564 ELOG_TYPE_DECLARE (e) =
4566 .format = "VPPCOM_ATTR_GET_LIBC_EPFD: libc_epfd=%d",
4567 .format_args = "i4",
4569 CLIB_PACKED (struct {
4573 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4574 ed->data = session->libc_epfd;
4580 case VPPCOM_ATTR_SET_LIBC_EPFD:
4581 if (PREDICT_TRUE (buffer && buflen &&
4582 (*buflen == sizeof (session->libc_epfd))))
4584 session->libc_epfd = *(int *) buffer;
4585 *buflen = sizeof (session->libc_epfd);
4587 if (VPPCOM_DEBUG > 2)
4588 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd %d, "
4589 "buflen %d", getpid (), session->libc_epfd,
4591 if (VPPCOM_DEBUG > 0)
4594 ELOG_TYPE_DECLARE (e) =
4596 .format = "VPPCOM_ATTR_SET_LIBC_EPFD: libc_epfd=%s%d buflen=%d",
4597 .format_args = "t1i4i4",
4598 .n_enum_strings = 2,
4599 .enum_strings = {"", "-",},
4601 CLIB_PACKED (struct {
4606 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4608 ed->sign = (session->libc_epfd < 0);
4609 ed->data[0] = abs(session->libc_epfd);
4610 ed->data[1] = *buflen;
4618 case VPPCOM_ATTR_GET_PROTOCOL:
4619 if (buffer && buflen && (*buflen >= sizeof (int)))
4621 *(int *) buffer = session->proto;
4622 *buflen = sizeof (int);
4624 if (VPPCOM_DEBUG > 2)
4625 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_PROTOCOL: %d (%s), "
4626 "buflen %d", getpid (), *(int *) buffer,
4627 *(int *) buffer ? "UDP" : "TCP", *buflen);
4628 if (VPPCOM_DEBUG > 0)
4631 ELOG_TYPE_DECLARE (e) =
4633 .format = "VPPCOM_ATTR_GET_PROTOCOL: %s buflen=%d",
4634 .format_args = "t1i4",
4635 .n_enum_strings = 2,
4636 .enum_strings = {"TCP", "UDP",},
4639 CLIB_PACKED (struct {
4644 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4645 ed->proto = session->proto;
4646 ed->buflen = *(int *) buffer;
4654 case VPPCOM_ATTR_GET_LISTEN:
4655 if (buffer && buflen && (*buflen >= sizeof (int)))
4657 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4658 VCL_SESS_ATTR_LISTEN);
4659 *buflen = sizeof (int);
4661 if (VPPCOM_DEBUG > 2)
4662 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_LISTEN: %d, "
4663 "buflen %d", getpid (), *(int *) buffer, *buflen);
4664 if (VPPCOM_DEBUG > 0)
4667 ELOG_TYPE_DECLARE (e) =
4669 .format = "VPPCOM_ATTR_GET_LISTEN: %d buflen=%d",
4670 .format_args = "i4i4",
4677 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4678 ed->data[0] = *(int *) buffer;
4679 ed->data[1] = *buflen;
4687 case VPPCOM_ATTR_GET_ERROR:
4688 if (buffer && buflen && (*buflen >= sizeof (int)))
4690 *(int *) buffer = 0;
4691 *buflen = sizeof (int);
4693 if (VPPCOM_DEBUG > 2)
4694 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_ERROR: %d, "
4695 "buflen %d, #VPP-TBD#", getpid (),
4696 *(int *) buffer, *buflen);
4697 if (VPPCOM_DEBUG > 0)
4700 ELOG_TYPE_DECLARE (e) =
4702 .format = "VPPCOM_ATTR_GET_ERROR: %d buflen=%d",
4703 .format_args = "i4i4",
4710 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4711 ed->data[0] = *(int *) buffer;
4712 ed->data[1] = *buflen;
4720 case VPPCOM_ATTR_GET_TX_FIFO_LEN:
4721 if (buffer && buflen && (*buflen >= sizeof (u32)))
4723 svm_fifo_t *tx_fifo;
4725 tx_fifo = ((!session->is_cut_thru || session->is_server) ?
4726 session->server_tx_fifo : session->server_rx_fifo);
4729 *(size_t *) buffer = (session->sndbuf_size ? session->sndbuf_size :
4730 tx_fifo ? tx_fifo->nitems :
4731 vcm->cfg.tx_fifo_size);
4732 *buflen = sizeof (u32);
4734 if (VPPCOM_DEBUG > 2)
4735 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TX_FIFO_LEN: %u (0x%x), "
4736 "buflen %d, #VPP-TBD#", getpid (),
4737 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4738 if (VPPCOM_DEBUG > 0)
4741 ELOG_TYPE_DECLARE (e) =
4743 .format = "VPPCOM_ATTR_GET_TX_FIFO_LEN: 0x%x buflen=%d",
4744 .format_args = "i4i4",
4751 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4752 ed->data[0] = *(size_t *) buffer;
4753 ed->data[1] = *buflen;
4761 case VPPCOM_ATTR_SET_TX_FIFO_LEN:
4762 if (buffer && buflen && (*buflen == sizeof (u32)))
4765 session->sndbuf_size = *(u32 *) buffer;
4766 if (VPPCOM_DEBUG > 2)
4767 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4768 "buflen %d, #VPP-TBD#", getpid (),
4769 session->sndbuf_size, session->sndbuf_size,
4771 if (VPPCOM_DEBUG > 0)
4774 ELOG_TYPE_DECLARE (e) =
4776 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4777 .format_args = "i4i4",
4784 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4785 ed->data[0] = session->sndbuf_size;
4786 ed->data[1] = *buflen;
4794 case VPPCOM_ATTR_GET_RX_FIFO_LEN:
4795 if (buffer && buflen && (*buflen >= sizeof (u32)))
4797 svm_fifo_t *rx_fifo;
4799 rx_fifo = ((!session->is_cut_thru || session->is_server) ?
4800 session->server_rx_fifo : session->server_tx_fifo);
4803 *(size_t *) buffer = (session->rcvbuf_size ? session->rcvbuf_size :
4804 rx_fifo ? rx_fifo->nitems :
4805 vcm->cfg.rx_fifo_size);
4806 *buflen = sizeof (u32);
4808 if (VPPCOM_DEBUG > 2)
4809 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_RX_FIFO_LEN: %u (0x%x), "
4810 "buflen %d, #VPP-TBD#", getpid (),
4811 *(size_t *) buffer, *(size_t *) buffer, *buflen);
4812 if (VPPCOM_DEBUG > 0)
4815 ELOG_TYPE_DECLARE (e) =
4817 .format = "VPPCOM_ATTR_GET_RX_FIFO_LEN: 0x%x buflen=%d",
4818 .format_args = "i4i4",
4825 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4826 ed->data[0] = *(size_t *) buffer;
4827 ed->data[1] = *buflen;
4835 case VPPCOM_ATTR_SET_RX_FIFO_LEN:
4836 if (buffer && buflen && (*buflen == sizeof (u32)))
4839 session->rcvbuf_size = *(u32 *) buffer;
4840 if (VPPCOM_DEBUG > 2)
4841 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TX_FIFO_LEN: %u (0x%x), "
4842 "buflen %d, #VPP-TBD#", getpid (),
4843 session->sndbuf_size, session->sndbuf_size,
4845 if (VPPCOM_DEBUG > 0)
4848 ELOG_TYPE_DECLARE (e) =
4850 .format = "VPPCOM_ATTR_SET_TX_FIFO_LEN: 0x%x buflen=%d",
4851 .format_args = "i4i4",
4858 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4859 ed->data[0] = session->sndbuf_size;
4860 ed->data[1] = *buflen;
4868 case VPPCOM_ATTR_GET_REUSEADDR:
4869 if (buffer && buflen && (*buflen >= sizeof (int)))
4872 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4873 VCL_SESS_ATTR_REUSEADDR);
4874 *buflen = sizeof (int);
4876 if (VPPCOM_DEBUG > 2)
4877 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEADDR: %d, "
4878 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4880 if (VPPCOM_DEBUG > 0)
4883 ELOG_TYPE_DECLARE (e) =
4885 .format = "VPPCOM_ATTR_GET_REUSEADDR: %d buflen=%d",
4886 .format_args = "i4i4",
4893 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4894 ed->data[0] = *(int *) buffer;
4895 ed->data[1] = *buflen;
4903 case VPPCOM_ATTR_SET_REUSEADDR:
4904 if (buffer && buflen && (*buflen == sizeof (int)) &&
4905 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4908 if (*(int *) buffer)
4909 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEADDR);
4911 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEADDR);
4913 if (VPPCOM_DEBUG > 2)
4914 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEADDR: %d, "
4915 "buflen %d, #VPP-TBD#", getpid (),
4916 VCL_SESS_ATTR_TEST (session->attr,
4917 VCL_SESS_ATTR_REUSEADDR),
4919 if (VPPCOM_DEBUG > 0)
4922 ELOG_TYPE_DECLARE (e) =
4924 .format = "VPPCOM_ATTR_SET_REUSEADDR: %d buflen=%d",
4925 .format_args = "i4i4",
4932 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4933 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
4934 VCL_SESS_ATTR_REUSEADDR);
4935 ed->data[1] = *buflen;
4943 case VPPCOM_ATTR_GET_REUSEPORT:
4944 if (buffer && buflen && (*buflen >= sizeof (int)))
4947 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
4948 VCL_SESS_ATTR_REUSEPORT);
4949 *buflen = sizeof (int);
4951 if (VPPCOM_DEBUG > 2)
4952 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_REUSEPORT: %d, "
4953 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
4955 if (VPPCOM_DEBUG > 0)
4958 ELOG_TYPE_DECLARE (e) =
4960 .format = "VPPCOM_ATTR_GET_REUSEPORT: %d buflen=%d",
4961 .format_args = "i4i4",
4968 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
4969 ed->data[0] = *(int *) buffer;
4970 ed->data[1] = *buflen;
4978 case VPPCOM_ATTR_SET_REUSEPORT:
4979 if (buffer && buflen && (*buflen == sizeof (int)) &&
4980 !VCL_SESS_ATTR_TEST (session->attr, VCL_SESS_ATTR_LISTEN))
4983 if (*(int *) buffer)
4984 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_REUSEPORT);
4986 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_REUSEPORT);
4988 if (VPPCOM_DEBUG > 2)
4989 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_REUSEPORT: %d, "
4990 "buflen %d, #VPP-TBD#", getpid (),
4991 VCL_SESS_ATTR_TEST (session->attr,
4992 VCL_SESS_ATTR_REUSEPORT),
4994 if (VPPCOM_DEBUG > 0)
4997 ELOG_TYPE_DECLARE (e) =
4999 .format = "VPPCOM_ATTR_SET_REUSEPORT: %d buflen=%d",
5000 .format_args = "i4i4",
5007 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5008 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5009 VCL_SESS_ATTR_REUSEPORT);
5010 ed->data[1] = *buflen;
5018 case VPPCOM_ATTR_GET_BROADCAST:
5019 if (buffer && buflen && (*buflen >= sizeof (int)))
5022 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5023 VCL_SESS_ATTR_BROADCAST);
5024 *buflen = sizeof (int);
5026 if (VPPCOM_DEBUG > 2)
5027 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_BROADCAST: %d, "
5028 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5030 if (VPPCOM_DEBUG > 0)
5033 ELOG_TYPE_DECLARE (e) =
5035 .format = "VPPCOM_ATTR_GET_BROADCAST: %d buflen=%d",
5036 .format_args = "i4i4",
5043 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5044 ed->data[0] = *(int *) buffer;
5045 ed->data[1] = *buflen;
5053 case VPPCOM_ATTR_SET_BROADCAST:
5054 if (buffer && buflen && (*buflen == sizeof (int)))
5057 if (*(int *) buffer)
5058 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_BROADCAST);
5060 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_BROADCAST);
5062 if (VPPCOM_DEBUG > 2)
5063 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_BROADCAST: %d, "
5064 "buflen %d, #VPP-TBD#", getpid (),
5065 VCL_SESS_ATTR_TEST (session->attr,
5066 VCL_SESS_ATTR_BROADCAST),
5068 if (VPPCOM_DEBUG > 0)
5071 ELOG_TYPE_DECLARE (e) =
5073 .format = "VPPCOM_ATTR_SET_BROADCAST: %d buflen=%d",
5074 .format_args = "i4i4",
5081 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5082 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5083 VCL_SESS_ATTR_BROADCAST);
5084 ed->data[1] = *buflen;
5092 case VPPCOM_ATTR_GET_V6ONLY:
5093 if (buffer && buflen && (*buflen >= sizeof (int)))
5096 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5097 VCL_SESS_ATTR_V6ONLY);
5098 *buflen = sizeof (int);
5100 if (VPPCOM_DEBUG > 2)
5101 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_V6ONLY: %d, "
5102 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5104 if (VPPCOM_DEBUG > 0)
5107 ELOG_TYPE_DECLARE (e) =
5109 .format = "VPPCOM_ATTR_GET_V6ONLY: %d buflen=%d",
5110 .format_args = "i4i4",
5117 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5118 ed->data[0] = *(int *) buffer;
5119 ed->data[1] = *buflen;
5127 case VPPCOM_ATTR_SET_V6ONLY:
5128 if (buffer && buflen && (*buflen == sizeof (int)))
5131 if (*(int *) buffer)
5132 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_V6ONLY);
5134 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_V6ONLY);
5136 if (VPPCOM_DEBUG > 2)
5137 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_V6ONLY: %d, "
5138 "buflen %d, #VPP-TBD#", getpid (),
5139 VCL_SESS_ATTR_TEST (session->attr,
5140 VCL_SESS_ATTR_V6ONLY), *buflen);
5141 if (VPPCOM_DEBUG > 0)
5144 ELOG_TYPE_DECLARE (e) =
5146 .format = "VPPCOM_ATTR_SET_V6ONLY: %d buflen=%d",
5147 .format_args = "i4i4",
5154 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5155 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5156 VCL_SESS_ATTR_V6ONLY);
5157 ed->data[1] = *buflen;
5165 case VPPCOM_ATTR_GET_KEEPALIVE:
5166 if (buffer && buflen && (*buflen >= sizeof (int)))
5169 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5170 VCL_SESS_ATTR_KEEPALIVE);
5171 *buflen = sizeof (int);
5173 if (VPPCOM_DEBUG > 2)
5174 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_KEEPALIVE: %d, "
5175 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5177 if (VPPCOM_DEBUG > 0)
5180 ELOG_TYPE_DECLARE (e) =
5182 .format = "VPPCOM_ATTR_GET_KEEPALIVE: %d buflen=%d",
5183 .format_args = "i4i4",
5190 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5191 ed->data[0] = *(int *) buffer;
5192 ed->data[1] = *buflen;
5200 case VPPCOM_ATTR_SET_KEEPALIVE:
5201 if (buffer && buflen && (*buflen == sizeof (int)))
5204 if (*(int *) buffer)
5205 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5207 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_KEEPALIVE);
5209 if (VPPCOM_DEBUG > 2)
5210 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_KEEPALIVE: %d, "
5211 "buflen %d, #VPP-TBD#", getpid (),
5212 VCL_SESS_ATTR_TEST (session->attr,
5213 VCL_SESS_ATTR_KEEPALIVE),
5215 if (VPPCOM_DEBUG > 0)
5218 ELOG_TYPE_DECLARE (e) =
5220 .format = "VPPCOM_ATTR_SET_KEEPALIVE: %d buflen=%d",
5221 .format_args = "i4i4",
5228 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5229 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5230 VCL_SESS_ATTR_KEEPALIVE);
5231 ed->data[1] = *buflen;
5239 case VPPCOM_ATTR_GET_TCP_NODELAY:
5240 if (buffer && buflen && (*buflen >= sizeof (int)))
5243 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5244 VCL_SESS_ATTR_TCP_NODELAY);
5245 *buflen = sizeof (int);
5247 if (VPPCOM_DEBUG > 2)
5248 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_NODELAY: %d, "
5249 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5251 if (VPPCOM_DEBUG > 0)
5254 ELOG_TYPE_DECLARE (e) =
5256 .format = "VPPCOM_ATTR_GET_TCP_NODELAY: %d buflen=%d",
5257 .format_args = "i4i4",
5264 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5265 ed->data[0] = *(int *) buffer;
5266 ed->data[1] = *buflen;
5274 case VPPCOM_ATTR_SET_TCP_NODELAY:
5275 if (buffer && buflen && (*buflen == sizeof (int)))
5278 if (*(int *) buffer)
5279 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5281 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_NODELAY);
5283 if (VPPCOM_DEBUG > 2)
5284 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_NODELAY: %d, "
5285 "buflen %d, #VPP-TBD#", getpid (),
5286 VCL_SESS_ATTR_TEST (session->attr,
5287 VCL_SESS_ATTR_TCP_NODELAY),
5289 if (VPPCOM_DEBUG > 0)
5292 ELOG_TYPE_DECLARE (e) =
5294 .format = "VPPCOM_ATTR_SET_TCP_NODELAY: %d buflen=%d",
5295 .format_args = "i4i4",
5302 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5303 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5304 VCL_SESS_ATTR_TCP_NODELAY);
5305 ed->data[1] = *buflen;
5313 case VPPCOM_ATTR_GET_TCP_KEEPIDLE:
5314 if (buffer && buflen && (*buflen >= sizeof (int)))
5317 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5318 VCL_SESS_ATTR_TCP_KEEPIDLE);
5319 *buflen = sizeof (int);
5321 if (VPPCOM_DEBUG > 2)
5322 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d, "
5323 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5325 if (VPPCOM_DEBUG > 0)
5328 ELOG_TYPE_DECLARE (e) =
5330 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5331 .format_args = "i4i4",
5338 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5339 ed->data[0] = *(int *) buffer;
5340 ed->data[1] = *buflen;
5348 case VPPCOM_ATTR_SET_TCP_KEEPIDLE:
5349 if (buffer && buflen && (*buflen == sizeof (int)))
5352 if (*(int *) buffer)
5353 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5355 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPIDLE);
5357 if (VPPCOM_DEBUG > 2)
5358 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d, "
5359 "buflen %d, #VPP-TBD#", getpid (),
5360 VCL_SESS_ATTR_TEST (session->attr,
5361 VCL_SESS_ATTR_TCP_KEEPIDLE),
5363 if (VPPCOM_DEBUG > 0)
5366 ELOG_TYPE_DECLARE (e) =
5368 .format = "VPPCOM_ATTR_SET_TCP_KEEPIDLE: %d buflen=%d",
5369 .format_args = "i4i4",
5376 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5377 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5378 VCL_SESS_ATTR_TCP_KEEPIDLE);
5379 ed->data[1] = *buflen;
5387 case VPPCOM_ATTR_GET_TCP_KEEPINTVL:
5388 if (buffer && buflen && (*buflen >= sizeof (int)))
5391 *(int *) buffer = VCL_SESS_ATTR_TEST (session->attr,
5392 VCL_SESS_ATTR_TCP_KEEPINTVL);
5393 *buflen = sizeof (int);
5395 if (VPPCOM_DEBUG > 2)
5396 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_KEEPINTVL: %d, "
5397 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5399 if (VPPCOM_DEBUG > 0)
5402 ELOG_TYPE_DECLARE (e) =
5404 .format = "VPPCOM_ATTR_GET_TCP_KEEPIDLE: %d buflen=%d",
5405 .format_args = "i4i4",
5412 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5413 ed->data[0] = *(int *) buffer;
5414 ed->data[1] = *buflen;
5422 case VPPCOM_ATTR_SET_TCP_KEEPINTVL:
5423 if (buffer && buflen && (*buflen == sizeof (int)))
5426 if (*(int *) buffer)
5427 VCL_SESS_ATTR_SET (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5429 VCL_SESS_ATTR_CLR (session->attr, VCL_SESS_ATTR_TCP_KEEPINTVL);
5431 if (VPPCOM_DEBUG > 2)
5432 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d, "
5433 "buflen %d, #VPP-TBD#", getpid (),
5434 VCL_SESS_ATTR_TEST (session->attr,
5435 VCL_SESS_ATTR_TCP_KEEPINTVL),
5437 if (VPPCOM_DEBUG > 0)
5440 ELOG_TYPE_DECLARE (e) =
5442 .format = "VPPCOM_ATTR_SET_TCP_KEEPINTVL: %d buflen=%d",
5443 .format_args = "i4i4",
5450 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5451 ed->data[0] = VCL_SESS_ATTR_TEST (session->attr,
5452 VCL_SESS_ATTR_TCP_KEEPINTVL);
5453 ed->data[1] = *buflen;
5461 case VPPCOM_ATTR_GET_TCP_USER_MSS:
5462 if (buffer && buflen && (*buflen >= sizeof (u32)))
5465 *(u32 *) buffer = session->user_mss;
5466 *buflen = sizeof (int);
5468 if (VPPCOM_DEBUG > 2)
5469 clib_warning ("VCL<%d>: VPPCOM_ATTR_GET_TCP_USER_MSS: %d, "
5470 "buflen %d, #VPP-TBD#", getpid (), *(int *) buffer,
5472 if (VPPCOM_DEBUG > 0)
5475 ELOG_TYPE_DECLARE (e) =
5477 .format = "VPPCOM_ATTR_GET_TCP_USER_MSS: %d buflen=%d",
5478 .format_args = "i4i4",
5485 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5486 ed->data[0] = *(int *) buffer;
5487 ed->data[1] = *buflen;
5495 case VPPCOM_ATTR_SET_TCP_USER_MSS:
5496 if (buffer && buflen && (*buflen == sizeof (u32)))
5499 session->user_mss = *(u32 *) buffer;
5501 if (VPPCOM_DEBUG > 2)
5502 clib_warning ("VCL<%d>: VPPCOM_ATTR_SET_TCP_USER_MSS: %u, "
5503 "buflen %d, #VPP-TBD#", getpid (),
5504 session->user_mss, *buflen);
5505 if (VPPCOM_DEBUG > 0)
5508 ELOG_TYPE_DECLARE (e) =
5510 .format = "VPPCOM_ATTR_SET_TCP_USER_MSS: %d buflen=%d",
5511 .format_args = "i4i4",
5518 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, session->elog_track);
5519 ed->data[0] = session->user_mss;
5520 ed->data[1] = *buflen;
5534 clib_spinlock_unlock (&vcm->sessions_lockp);
5539 vppcom_session_recvfrom (uint32_t session_index, void *buffer,
5540 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5543 session_t *session = 0;
5547 clib_spinlock_lock (&vcm->sessions_lockp);
5548 rv = vppcom_session_at_index (session_index, &session);
5549 if (PREDICT_FALSE (rv))
5551 clib_spinlock_unlock (&vcm->sessions_lockp);
5552 if (VPPCOM_DEBUG > 0)
5553 clib_warning ("VCL<%d>: invalid session, "
5554 "sid (%u) has been closed!",
5555 getpid (), session_index);
5556 if (VPPCOM_DEBUG > 0)
5559 ELOG_TYPE_DECLARE (e) =
5561 .format = "invalid session: %d closed",
5562 .format_args = "i4",
5569 ed = ELOG_TRACK_DATA (&vcm->elog_main, e, vcm->elog_track);
5570 ed->data = session_index;
5574 clib_spinlock_unlock (&vcm->sessions_lockp);
5577 ep->vrf = session->vrf;
5578 ep->is_ip4 = session->peer_addr.is_ip4;
5579 ep->port = session->peer_port;
5580 if (session->peer_addr.is_ip4)
5581 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip4,
5582 sizeof (ip4_address_t));
5584 clib_memcpy (ep->ip, &session->peer_addr.ip46.ip6,
5585 sizeof (ip6_address_t));
5586 clib_spinlock_unlock (&vcm->sessions_lockp);
5590 rv = vppcom_session_read (session_index, buffer, buflen);
5591 else if (flags & MSG_PEEK)
5592 rv = vppcom_session_peek (session_index, buffer, buflen);
5595 clib_warning ("VCL<%d>: Unsupport flags for recvfrom %d",
5597 rv = VPPCOM_EAFNOSUPPORT;
5605 vppcom_session_sendto (uint32_t session_index, void *buffer,
5606 uint32_t buflen, int flags, vppcom_endpt_t * ep)
5609 return VPPCOM_EINVAL;
5614 return VPPCOM_EINVAL;
5619 // TBD check the flags and do the right thing
5620 if (VPPCOM_DEBUG > 2)
5621 clib_warning ("VCL<%d>: handling flags 0x%u (%d) "
5622 "not implemented yet.", getpid (), flags, flags);
5625 return (vppcom_session_write (session_index, buffer, buflen));
5629 vppcom_poll (vcl_poll_t * vp, uint32_t n_sids, double wait_for_time)
5631 f64 timeout = clib_time_now (&vcm->clib_time) + wait_for_time;
5632 u32 i, keep_trying = 1;
5635 if (VPPCOM_DEBUG > 3)
5636 clib_warning ("VCL<%d>: vp %p, nsids %u, wait_for_time %f",
5637 getpid (), vp, n_sids, wait_for_time);
5640 return VPPCOM_EFAULT;
5646 for (i = 0; i < n_sids; i++)
5648 ASSERT (vp[i].revents);
5650 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5651 clib_spinlock_unlock (&vcm->sessions_lockp);
5656 if (POLLIN & vp[i].events)
5658 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5659 rv = vppcom_session_read_ready (session, vp[i].sid);
5660 clib_spinlock_unlock (&vcm->sessions_lockp);
5663 *vp[i].revents |= POLLIN;
5670 case VPPCOM_ECONNRESET:
5671 *vp[i].revents = POLLHUP;
5675 *vp[i].revents = POLLERR;
5682 if (POLLOUT & vp[i].events)
5684 VCL_LOCK_AND_GET_SESSION (vp[i].sid, &session);
5685 rv = vppcom_session_write_ready (session, vp[i].sid);
5686 clib_spinlock_unlock (&vcm->sessions_lockp);
5689 *vp[i].revents |= POLLOUT;
5696 case VPPCOM_ECONNRESET:
5697 *vp[i].revents = POLLHUP;
5701 *vp[i].revents = POLLERR;
5711 *vp[i].revents = POLLNVAL;
5715 if (wait_for_time != -1)
5716 keep_trying = (clib_time_now (&vcm->clib_time) <= timeout) ? 1 : 0;
5718 while ((num_ev == 0) && keep_trying);
5720 if (VPPCOM_DEBUG > 3)
5722 clib_warning ("VCL<%d>: returning %d", getpid (), num_ev);
5723 for (i = 0; i < n_sids; i++)
5725 clib_warning ("VCL<%d>: vp[%d].sid %d (0x%x), .events 0x%x, "
5726 ".revents 0x%x", getpid (), i, vp[i].sid, vp[i].sid,
5727 vp[i].events, *vp[i].revents);
5734 * fd.io coding-style-patch-verification: ON
5737 * eval: (c-set-style "gnu")