2 * Copyright (c) 2019 Cisco and/or its affiliates.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at:
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.
16 #include <sys/socket.h>
18 #include <vnet/session/application.h>
19 #include <vnet/session/transport.h>
20 #include <vnet/session/session.h>
21 #include <vlib/unix/plugin.h>
22 #include <vpp/app/version.h>
24 #include <vppinfra/lock.h>
26 #include <quic/quic.h>
27 #include <quic/certs.h>
28 #include <quic/error.h>
29 #include <quic/quic_crypto.h>
31 #include <quicly/defaults.h>
34 static quic_main_t quic_main;
35 static void quic_update_timer (quic_ctx_t * ctx);
38 quic_ctx_alloc (u32 thread_index)
40 quic_main_t *qm = &quic_main;
43 pool_get (qm->ctx_pool[thread_index], ctx);
45 memset (ctx, 0, sizeof (quic_ctx_t));
46 ctx->c_thread_index = thread_index;
47 QUIC_DBG (3, "Allocated quic_ctx %u on thread %u",
48 ctx - qm->ctx_pool[thread_index], thread_index);
49 return ctx - qm->ctx_pool[thread_index];
53 quic_ctx_free (quic_ctx_t * ctx)
55 QUIC_DBG (2, "Free ctx %u", ctx->c_c_index);
56 u32 thread_index = ctx->c_thread_index;
58 memset (ctx, 0xfb, sizeof (*ctx));
59 pool_put (quic_main.ctx_pool[thread_index], ctx);
63 quic_ctx_get (u32 ctx_index, u32 thread_index)
65 return pool_elt_at_index (quic_main.ctx_pool[thread_index], ctx_index);
69 quic_ctx_get_if_valid (u32 ctx_index, u32 thread_index)
71 if (pool_is_free_index (quic_main.ctx_pool[thread_index], ctx_index))
73 return pool_elt_at_index (quic_main.ctx_pool[thread_index], ctx_index);
77 quic_get_conn_ctx (quicly_conn_t * conn)
80 conn_data = (u64) * quicly_get_data (conn);
81 return quic_ctx_get (conn_data & UINT32_MAX, conn_data >> 32);
85 quic_store_conn_ctx (quicly_conn_t * conn, quic_ctx_t * ctx)
87 *quicly_get_data (conn) =
88 (void *) (((u64) ctx->c_thread_index) << 32 | (u64) ctx->c_c_index);
92 quic_ctx_is_stream (quic_ctx_t * ctx)
94 return (ctx->flags & QUIC_F_IS_STREAM);
98 quic_ctx_is_listener (quic_ctx_t * ctx)
100 return (ctx->flags & QUIC_F_IS_LISTENER);
104 get_stream_session_from_stream (quicly_stream_t * stream)
107 quic_stream_data_t *stream_data;
109 stream_data = (quic_stream_data_t *) stream->data;
110 ctx = quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
111 return session_get (ctx->c_s_index, stream_data->thread_index);
115 quic_make_connection_key (clib_bihash_kv_16_8_t * kv,
116 const quicly_cid_plaintext_t * id)
118 kv->key[0] = ((u64) id->master_id) << 32 | (u64) id->thread_id;
119 kv->key[1] = id->node_id;
123 quic_sendable_packet_count (session_t * udp_session)
126 u32 packet_size = QUIC_MAX_PACKET_SIZE + SESSION_CONN_HDR_LEN;
127 max_enqueue = svm_fifo_max_enqueue (udp_session->tx_fifo);
128 return clib_min (max_enqueue / packet_size, QUIC_SEND_PACKET_VEC_SIZE);
131 static quicly_context_t *
132 quic_get_quicly_ctx_from_ctx (quic_ctx_t * ctx)
134 app_worker_t *app_wrk;
136 app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_id);
139 app = application_get (app_wrk->app_index);
140 return (quicly_context_t *) app->quicly_ctx;
143 static quicly_context_t *
144 quic_get_quicly_ctx_from_udp (u32 udp_session_handle)
146 session_t *udp_session;
148 udp_session = session_get_from_handle (udp_session_handle);
149 app = application_get (udp_session->opaque);
150 return (quicly_context_t *) app->quicly_ctx;
154 quic_ack_rx_data (session_t * stream_session)
159 quicly_stream_t *stream;
160 quic_stream_data_t *stream_data;
163 quic_ctx_get (stream_session->connection_index,
164 stream_session->thread_index);
165 ASSERT (quic_ctx_is_stream (sctx));
166 stream = sctx->stream;
167 stream_data = (quic_stream_data_t *) stream->data;
169 f = stream_session->rx_fifo;
170 max_deq = svm_fifo_max_dequeue (f);
172 ASSERT (stream_data->app_rx_data_len >= max_deq);
173 quicly_stream_sync_recvbuf (stream, stream_data->app_rx_data_len - max_deq);
174 QUIC_DBG (3, "Acking %u bytes", stream_data->app_rx_data_len - max_deq);
175 stream_data->app_rx_data_len = max_deq;
179 quic_disconnect_transport (quic_ctx_t * ctx)
181 QUIC_DBG (2, "Disconnecting transport 0x%lx", ctx->udp_session_handle);
182 vnet_disconnect_args_t a = {
183 .handle = ctx->udp_session_handle,
184 .app_index = quic_main.app_index,
187 if (vnet_disconnect_session (&a))
188 clib_warning ("UDP session 0x%lx disconnect errored",
189 ctx->udp_session_handle);
193 quic_connection_delete (quic_ctx_t * ctx)
195 tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
196 clib_bihash_kv_16_8_t kv;
199 QUIC_DBG (2, "Deleting connection %u", ctx->c_c_index);
201 ASSERT (!quic_ctx_is_stream (ctx));
204 if (ctx->timer_handle != QUIC_TIMER_HANDLE_INVALID)
206 tw = &quic_main.wrk_ctx[ctx->c_thread_index].timer_wheel;
207 tw_timer_stop_1t_3w_1024sl_ov (tw, ctx->timer_handle);
210 /* Delete the connection from the connection map */
212 quic_make_connection_key (&kv, quicly_get_master_id (conn));
213 QUIC_DBG (2, "Deleting conn with id %lu %lu from map", kv.key[0],
215 clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 0 /* is_add */ );
217 quic_disconnect_transport (ctx);
220 quicly_free (ctx->conn);
223 session_transport_delete_notify (&ctx->connection);
228 * Called when quicly return an error
229 * This function interacts tightly with quic_proto_on_close
232 quic_connection_closed (quic_ctx_t * ctx)
234 QUIC_DBG (2, "QUIC connection %u/%u closed", ctx->c_thread_index,
237 /* TODO if connection is not established, just delete the session? */
238 /* Actually should send connect or accept error */
240 switch (ctx->conn_state)
242 case QUIC_CONN_STATE_READY:
243 /* Error on an opened connection (timeout...)
244 This puts the session in closing state, we should receive a notification
245 when the app has closed its session */
246 session_transport_reset_notify (&ctx->connection);
247 /* This ensures we delete the connection when the app confirms the close */
248 ctx->conn_state = QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED;
250 case QUIC_CONN_STATE_PASSIVE_CLOSING:
251 ctx->conn_state = QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED;
252 /* quic_proto_on_close will eventually be called when the app confirms the close
253 , we delete the connection at that point */
255 case QUIC_CONN_STATE_PASSIVE_CLOSING_APP_CLOSED:
256 /* App already confirmed close, we can delete the connection */
257 session_transport_delete_notify (&ctx->connection);
258 quic_connection_delete (ctx);
260 case QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED:
263 case QUIC_CONN_STATE_ACTIVE_CLOSING:
264 session_transport_delete_notify (&ctx->connection);
265 quic_connection_delete (ctx);
274 quic_send_datagram (session_t * udp_session, quicly_datagram_t * packet)
277 session_dgram_hdr_t hdr;
280 transport_connection_t *tc;
282 len = packet->data.len;
283 f = udp_session->tx_fifo;
284 tc = session_get_transport (udp_session);
285 max_enqueue = svm_fifo_max_enqueue (f);
286 if (max_enqueue < SESSION_CONN_HDR_LEN + len)
288 QUIC_DBG (1, "Too much data to send, max_enqueue %u, len %u",
289 max_enqueue, len + SESSION_CONN_HDR_LEN);
290 return QUIC_ERROR_FULL_FIFO;
293 /* Build packet header for fifo */
294 hdr.data_length = len;
296 hdr.is_ip4 = tc->is_ip4;
297 clib_memcpy (&hdr.lcl_ip, &tc->lcl_ip, sizeof (ip46_address_t));
298 hdr.lcl_port = tc->lcl_port;
300 /* Read dest address from quicly-provided sockaddr */
303 ASSERT (packet->sa.sa_family == AF_INET);
304 struct sockaddr_in *sa4 = (struct sockaddr_in *) &packet->sa;
305 hdr.rmt_port = sa4->sin_port;
306 hdr.rmt_ip.ip4.as_u32 = sa4->sin_addr.s_addr;
310 ASSERT (packet->sa.sa_family == AF_INET6);
311 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *) &packet->sa;
312 hdr.rmt_port = sa6->sin6_port;
313 clib_memcpy (&hdr.rmt_ip.ip6, &sa6->sin6_addr, 16);
316 ret = svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
317 if (ret != sizeof (hdr))
319 QUIC_DBG (1, "Not enough space to enqueue header");
320 return QUIC_ERROR_FULL_FIFO;
322 ret = svm_fifo_enqueue (f, len, packet->data.base);
325 QUIC_DBG (1, "Not enough space to enqueue payload");
326 return QUIC_ERROR_FULL_FIFO;
332 quic_send_packets (quic_ctx_t * ctx)
334 quicly_datagram_t *packets[QUIC_SEND_PACKET_VEC_SIZE];
335 session_t *udp_session;
337 size_t num_packets, i, max_packets;
338 quicly_packet_allocator_t *pa;
339 quicly_context_t *quicly_context;
342 /* We have sctx, get qctx */
343 if (quic_ctx_is_stream (ctx))
344 ctx = quic_ctx_get (ctx->quic_connection_ctx_id, ctx->c_thread_index);
346 ASSERT (!quic_ctx_is_stream (ctx));
348 udp_session = session_get_from_handle_if_valid (ctx->udp_session_handle);
357 /* TODO : quicly can assert it can send min_packets up to 2 */
358 if (quic_sendable_packet_count (udp_session) < 2)
361 quicly_context = quic_get_quicly_ctx_from_ctx (ctx);
364 clib_warning ("Tried to send packets on non existing app worker %u",
365 ctx->parent_app_wrk_id);
366 quic_connection_delete (ctx);
369 pa = quicly_context->packet_allocator;
372 max_packets = quic_sendable_packet_count (udp_session);
375 num_packets = max_packets;
376 if ((err = quicly_send (conn, packets, &num_packets)))
379 for (i = 0; i != num_packets; ++i)
381 if ((err = quic_send_datagram (udp_session, packets[i])))
384 pa->free_packet (pa, packets[i]);
387 while (num_packets > 0 && num_packets == max_packets);
390 if (svm_fifo_set_event (udp_session->tx_fifo))
392 session_send_io_evt_to_thread (udp_session->tx_fifo,
394 clib_warning ("Event enqueue errored %d", err);
396 QUIC_DBG (3, "%u[TX] %u[RX]", svm_fifo_max_dequeue (udp_session->tx_fifo),
397 svm_fifo_max_dequeue (udp_session->rx_fifo));
398 quic_update_timer (ctx);
402 if (err && err != QUICLY_ERROR_PACKET_IGNORED
403 && err != QUICLY_ERROR_FREE_CONNECTION)
404 clib_warning ("Quic error '%U'.", quic_format_err, err);
405 quic_connection_closed (ctx);
409 /*****************************************************************************
411 * START QUICLY CALLBACKS
412 * Called from QUIC lib
414 *****************************************************************************/
417 quic_on_stream_destroy (quicly_stream_t * stream, int err)
419 quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
421 quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
422 session_t *stream_session =
423 session_get (sctx->c_s_index, sctx->c_thread_index);
424 QUIC_DBG (2, "DESTROYED_STREAM: session 0x%lx (%U)",
425 session_handle (stream_session), quic_format_err, err);
427 stream_session->session_state = SESSION_STATE_CLOSED;
428 session_transport_delete_notify (&sctx->connection);
430 quic_ctx_free (sctx);
435 quic_on_stop_sending (quicly_stream_t * stream, int err)
438 quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
440 quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
441 session_t *stream_session =
442 session_get (sctx->c_s_index, sctx->c_thread_index);
443 clib_warning ("(NOT IMPLEMENTD) STOP_SENDING: session 0x%lx (%U)",
444 session_handle (stream_session), quic_format_err, err);
446 /* TODO : handle STOP_SENDING */
451 quic_on_receive_reset (quicly_stream_t * stream, int err)
453 quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
455 quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
457 session_t *stream_session =
458 session_get (sctx->c_s_index, sctx->c_thread_index);
459 clib_warning ("RESET_STREAM: session 0x%lx (%U)",
460 session_handle (stream_session), quic_format_err, err);
462 session_transport_closing_notify (&sctx->connection);
467 quic_on_receive (quicly_stream_t * stream, size_t off, const void *src,
470 QUIC_DBG (3, "received data: %lu bytes, offset %lu", len, off);
473 session_t *stream_session;
474 app_worker_t *app_wrk;
476 quic_stream_data_t *stream_data;
479 stream_data = (quic_stream_data_t *) stream->data;
480 sctx = quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
481 stream_session = session_get (sctx->c_s_index, stream_data->thread_index);
482 f = stream_session->rx_fifo;
484 max_enq = svm_fifo_max_enqueue_prod (f);
485 QUIC_DBG (3, "Enqueuing %u at off %u in %u space", len, off, max_enq);
486 if (off - stream_data->app_rx_data_len + len > max_enq)
488 QUIC_DBG (1, "Error RX fifo is full");
491 if (off == stream_data->app_rx_data_len)
493 /* Streams live on the same thread so (f, stream_data) should stay consistent */
494 rlen = svm_fifo_enqueue (f, len, (u8 *) src);
495 stream_data->app_rx_data_len += rlen;
496 ASSERT (rlen >= len);
497 app_wrk = app_worker_get_if_valid (stream_session->app_wrk_index);
498 if (PREDICT_TRUE (app_wrk != 0))
499 app_worker_lock_and_send_event (app_wrk, stream_session,
501 quic_ack_rx_data (stream_session);
506 svm_fifo_enqueue_with_offset (f, off - stream_data->app_rx_data_len,
514 quic_fifo_egress_shift (quicly_stream_t * stream, size_t delta)
516 session_t *stream_session;
520 stream_session = get_stream_session_from_stream (stream);
521 f = stream_session->tx_fifo;
523 rv = svm_fifo_dequeue_drop (f, delta);
524 ASSERT (rv == delta);
525 quicly_stream_sync_sendbuf (stream, 0);
529 quic_fifo_egress_emit (quicly_stream_t * stream, size_t off, void *dst,
530 size_t * len, int *wrote_all)
532 session_t *stream_session;
534 u32 deq_max, first_deq, max_rd_chunk, rem_offset;
536 stream_session = get_stream_session_from_stream (stream);
537 f = stream_session->tx_fifo;
539 QUIC_DBG (3, "Emitting %u, offset %u", *len, off);
541 deq_max = svm_fifo_max_dequeue_cons (f);
542 ASSERT (off <= deq_max);
543 if (off + *len < deq_max)
550 *len = deq_max - off;
551 QUIC_DBG (3, "Wrote ALL, %u", *len);
554 /* TODO, use something like : return svm_fifo_peek (f, off, *len, dst); */
555 max_rd_chunk = svm_fifo_max_read_chunk (f);
558 if (off < max_rd_chunk)
560 first_deq = clib_min (*len, max_rd_chunk - off);
561 clib_memcpy_fast (dst, svm_fifo_head (f) + off, first_deq);
564 if (max_rd_chunk < off + *len)
566 rem_offset = max_rd_chunk < off ? off - max_rd_chunk : 0;
567 clib_memcpy_fast (dst + first_deq, f->head_chunk->data + rem_offset,
574 static const quicly_stream_callbacks_t quic_stream_callbacks = {
575 .on_destroy = quic_on_stream_destroy,
576 .on_send_shift = quic_fifo_egress_shift,
577 .on_send_emit = quic_fifo_egress_emit,
578 .on_send_stop = quic_on_stop_sending,
579 .on_receive = quic_on_receive,
580 .on_receive_reset = quic_on_receive_reset
584 quic_accept_stream (void *s)
586 quicly_stream_t *stream = (quicly_stream_t *) s;
587 session_t *stream_session, *quic_session;
588 quic_stream_data_t *stream_data;
589 app_worker_t *app_wrk;
590 quic_ctx_t *qctx, *sctx;
594 sctx_id = quic_ctx_alloc (vlib_get_thread_index ());
596 qctx = quic_get_conn_ctx (stream->conn);
598 stream_session = session_alloc (qctx->c_thread_index);
599 QUIC_DBG (2, "ACCEPTED stream_session 0x%lx ctx %u",
600 session_handle (stream_session), sctx_id);
601 sctx = quic_ctx_get (sctx_id, qctx->c_thread_index);
602 sctx->parent_app_wrk_id = qctx->parent_app_wrk_id;
603 sctx->parent_app_id = qctx->parent_app_id;
604 sctx->quic_connection_ctx_id = qctx->c_c_index;
605 sctx->c_c_index = sctx_id;
606 sctx->c_s_index = stream_session->session_index;
607 sctx->stream = stream;
608 sctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
609 sctx->flags |= QUIC_F_IS_STREAM;
611 stream_data = (quic_stream_data_t *) stream->data;
612 stream_data->ctx_id = sctx_id;
613 stream_data->thread_index = sctx->c_thread_index;
614 stream_data->app_rx_data_len = 0;
616 sctx->c_s_index = stream_session->session_index;
617 stream_session->session_state = SESSION_STATE_CREATED;
618 stream_session->app_wrk_index = sctx->parent_app_wrk_id;
619 stream_session->connection_index = sctx->c_c_index;
620 stream_session->session_type =
621 session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, qctx->udp_is_ip4);
622 quic_session = session_get (qctx->c_s_index, qctx->c_thread_index);
623 stream_session->listener_handle = listen_session_get_handle (quic_session);
625 app_wrk = app_worker_get (stream_session->app_wrk_index);
626 if ((rv = app_worker_init_connected (app_wrk, stream_session)))
628 QUIC_DBG (1, "failed to allocate fifos");
629 session_free (stream_session);
630 quicly_reset_stream (stream, QUIC_APP_ALLOCATION_ERROR);
633 svm_fifo_add_want_deq_ntf (stream_session->rx_fifo,
634 SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL |
635 SVM_FIFO_WANT_DEQ_NOTIF_IF_EMPTY);
637 if ((rv = app_worker_accept_notify (app_wrk, stream_session)))
639 QUIC_DBG (1, "failed to notify accept worker app");
640 session_free_w_fifos (stream_session);
641 quicly_reset_stream (stream, QUIC_APP_ACCEPT_NOTIFY_ERROR);
647 quic_on_stream_open (quicly_stream_open_t * self, quicly_stream_t * stream)
649 QUIC_DBG (2, "on_stream_open called");
650 stream->data = malloc (sizeof (quic_stream_data_t));
651 stream->callbacks = &quic_stream_callbacks;
652 /* Notify accept on parent qsession, but only if this is not a locally
653 * initiated stream */
654 if (!quicly_stream_is_self_initiated (stream))
656 quic_accept_stream (stream);
662 quic_on_closed_by_peer (quicly_closed_by_peer_t * self, quicly_conn_t * conn,
663 int code, uint64_t frame_type,
664 const char *reason, size_t reason_len)
666 quic_ctx_t *ctx = quic_get_conn_ctx (conn);
668 session_t *quic_session = session_get (ctx->c_s_index, ctx->c_thread_index);
669 clib_warning ("Session 0x%lx closed by peer (%U) %.*s ",
670 session_handle (quic_session), quic_format_err, code,
673 ctx->conn_state = QUIC_CONN_STATE_PASSIVE_CLOSING;
674 session_transport_closing_notify (&ctx->connection);
677 static quicly_stream_open_t on_stream_open = { &quic_on_stream_open };
678 static quicly_closed_by_peer_t on_closed_by_peer =
679 { &quic_on_closed_by_peer };
682 /*****************************************************************************
684 * END QUICLY CALLBACKS
686 *****************************************************************************/
688 /*****************************************************************************
690 * BEGIN TIMERS HANDLING
692 *****************************************************************************/
695 quic_get_thread_time (u8 thread_index)
697 return quic_main.wrk_ctx[thread_index].time_now;
701 quic_get_time (quicly_now_t * self)
703 u8 thread_index = vlib_get_thread_index ();
704 return quic_get_thread_time (thread_index);
707 static quicly_now_t quicly_vpp_now_cb = { quic_get_time };
710 quic_set_time_now (u32 thread_index)
712 vlib_main_t *vlib_main = vlib_get_main ();
713 f64 time = vlib_time_now (vlib_main);
714 quic_main.wrk_ctx[thread_index].time_now = (int64_t) (time * 1000.f);
715 return quic_main.wrk_ctx[thread_index].time_now;
718 /* Transport proto callback */
720 quic_update_time (f64 now, u8 thread_index)
722 tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
724 tw = &quic_main.wrk_ctx[thread_index].timer_wheel;
725 quic_set_time_now (thread_index);
726 tw_timer_expire_timers_1t_3w_1024sl_ov (tw, now);
730 quic_timer_expired (u32 conn_index)
733 QUIC_DBG (4, "Timer expired for conn %u at %ld", conn_index,
734 quic_get_time (NULL));
735 ctx = quic_ctx_get (conn_index, vlib_get_thread_index ());
736 ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
737 quic_send_packets (ctx);
741 quic_update_timer (quic_ctx_t * ctx)
743 tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
744 int64_t next_timeout, next_interval;
745 session_t *quic_session;
747 /* This timeout is in ms which is the unit of our timer */
748 next_timeout = quicly_get_first_timeout (ctx->conn);
749 next_interval = next_timeout - quic_get_time (NULL);
751 if (next_timeout == 0 || next_interval <= 0)
753 if (ctx->c_s_index == QUIC_SESSION_INVALID)
759 quic_session = session_get (ctx->c_s_index, ctx->c_thread_index);
760 if (svm_fifo_set_event (quic_session->tx_fifo))
761 session_send_io_evt_to_thread_custom (quic_session,
762 quic_session->thread_index,
763 SESSION_IO_EVT_BUILTIN_TX);
768 tw = &quic_main.wrk_ctx[vlib_get_thread_index ()].timer_wheel;
770 QUIC_DBG (4, "Timer set to %ld (int %ld) for ctx %u", next_timeout,
771 next_interval, ctx->c_c_index);
773 if (ctx->timer_handle == QUIC_TIMER_HANDLE_INVALID)
775 if (next_timeout == INT64_MAX)
777 QUIC_DBG (4, "timer for ctx %u already stopped", ctx->c_c_index);
781 tw_timer_start_1t_3w_1024sl_ov (tw, ctx->c_c_index, 0, next_interval);
785 if (next_timeout == INT64_MAX)
787 tw_timer_stop_1t_3w_1024sl_ov (tw, ctx->timer_handle);
788 ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
789 QUIC_DBG (4, "Stopping timer for ctx %u", ctx->c_c_index);
792 tw_timer_update_1t_3w_1024sl_ov (tw, ctx->timer_handle,
799 quic_expired_timers_dispatch (u32 * expired_timers)
803 for (i = 0; i < vec_len (expired_timers); i++)
805 quic_timer_expired (expired_timers[i]);
809 /*****************************************************************************
811 * END TIMERS HANDLING
813 *****************************************************************************/
816 quic_encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls,
817 int is_encrypt, ptls_buffer_t * dst, ptls_iovec_t src)
819 quic_session_cache_t *self = (void *) _self;
825 /* replace the cached entry along with a newly generated session id */
826 free (self->data.base);
827 if ((self->data.base = malloc (src.len)) == NULL)
828 return PTLS_ERROR_NO_MEMORY;
830 ptls_get_context (tls)->random_bytes (self->id, sizeof (self->id));
831 memcpy (self->data.base, src.base, src.len);
832 self->data.len = src.len;
834 /* store the session id in buffer */
835 if ((ret = ptls_buffer_reserve (dst, sizeof (self->id))) != 0)
837 memcpy (dst->base + dst->off, self->id, sizeof (self->id));
838 dst->off += sizeof (self->id);
844 /* check if session id is the one stored in cache */
845 if (src.len != sizeof (self->id))
846 return PTLS_ERROR_SESSION_NOT_FOUND;
847 if (memcmp (self->id, src.base, sizeof (self->id)) != 0)
848 return PTLS_ERROR_SESSION_NOT_FOUND;
850 /* return the cached value */
851 if ((ret = ptls_buffer_reserve (dst, self->data.len)) != 0)
853 memcpy (dst->base + dst->off, self->data.base, self->data.len);
854 dst->off += self->data.len;
860 typedef struct quicly_ctx_data_
862 quicly_context_t quicly_ctx;
864 ptls_context_t ptls_ctx;
868 quic_store_quicly_ctx (application_t * app, u8 is_client)
870 quic_main_t *qm = &quic_main;
871 quicly_context_t *quicly_ctx;
872 ptls_iovec_t key_vec;
876 quicly_ctx_data_t *quicly_ctx_data =
877 clib_mem_alloc (sizeof (quicly_ctx_data_t));
878 quicly_ctx = &quicly_ctx_data->quicly_ctx;
879 ptls_context_t *ptls_ctx = &quicly_ctx_data->ptls_ctx;
880 ptls_ctx->random_bytes = ptls_openssl_random_bytes;
881 ptls_ctx->get_time = &ptls_get_time;
882 ptls_ctx->key_exchanges = ptls_openssl_key_exchanges;
883 ptls_ctx->cipher_suites = qm->quic_ciphers[qm->default_cipher];
884 ptls_ctx->certificates.list = NULL;
885 ptls_ctx->certificates.count = 0;
886 ptls_ctx->esni = NULL;
887 ptls_ctx->on_client_hello = NULL;
888 ptls_ctx->emit_certificate = NULL;
889 ptls_ctx->sign_certificate = NULL;
890 ptls_ctx->verify_certificate = NULL;
891 ptls_ctx->ticket_lifetime = 86400;
892 ptls_ctx->max_early_data_size = 8192;
893 ptls_ctx->hkdf_label_prefix__obsolete = NULL;
894 ptls_ctx->require_dhe_on_psk = 1;
895 ptls_ctx->encrypt_ticket = &qm->session_cache.super;
897 app->quicly_ctx = (u64 *) quicly_ctx;
898 memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t));
900 quicly_ctx->max_packet_size = QUIC_MAX_PACKET_SIZE;
901 quicly_ctx->tls = ptls_ctx;
902 quicly_ctx->stream_open = &on_stream_open;
903 quicly_ctx->closed_by_peer = &on_closed_by_peer;
904 quicly_ctx->now = &quicly_vpp_now_cb;
905 quicly_amend_ptls_context (quicly_ctx->tls);
907 quicly_ctx->event_log.mask = 0; /* logs */
908 quicly_ctx->event_log.cb = quicly_new_default_event_logger (stderr);
910 quicly_ctx->transport_params.max_data = QUIC_INT_MAX;
911 quicly_ctx->transport_params.max_streams_uni = (uint64_t) 1 << 60;
912 quicly_ctx->transport_params.max_streams_bidi = (uint64_t) 1 << 60;
913 quicly_ctx->transport_params.max_stream_data.bidi_local = (QUIC_FIFO_SIZE - 1); /* max_enq is SIZE - 1 */
914 quicly_ctx->transport_params.max_stream_data.bidi_remote = (QUIC_FIFO_SIZE - 1); /* max_enq is SIZE - 1 */
915 quicly_ctx->transport_params.max_stream_data.uni = QUIC_INT_MAX;
917 quicly_ctx->tls->random_bytes (quicly_ctx_data->cid_key, 16);
918 quicly_ctx_data->cid_key[16] = 0;
920 ptls_iovec_init (quicly_ctx_data->cid_key,
921 strlen (quicly_ctx_data->cid_key));
922 quicly_ctx->cid_encryptor =
923 quicly_new_default_cid_encryptor (&ptls_openssl_bfecb,
924 &ptls_openssl_sha256, key_vec);
927 if (app->tls_key != NULL && app->tls_cert != NULL)
929 if (load_bio_private_key (quicly_ctx->tls, (char *) app->tls_key))
931 QUIC_DBG (1, "failed to read private key from app configuration\n");
933 if (load_bio_certificate_chain (quicly_ctx->tls,
934 (char *) app->tls_cert))
936 QUIC_DBG (1, "failed to load certificate\n");
941 /*****************************************************************************
943 * BEGIN TRANSPORT PROTO FUNCTIONS
945 *****************************************************************************/
948 quic_connect_new_stream (session_t * quic_session, u32 opaque)
950 uint64_t quic_session_handle;
951 session_t *stream_session;
952 quic_stream_data_t *stream_data;
953 quicly_stream_t *stream;
955 app_worker_t *app_wrk;
956 quic_ctx_t *qctx, *sctx;
960 /* Find base session to which the user want to attach a stream */
961 quic_session_handle = session_handle (quic_session);
962 QUIC_DBG (2, "Opening new stream (qsession %u)", quic_session_handle);
964 if (session_type_transport_proto (quic_session->session_type) !=
965 TRANSPORT_PROTO_QUIC)
967 QUIC_DBG (1, "received incompatible session");
971 app_wrk = app_worker_get_if_valid (quic_session->app_wrk_index);
974 QUIC_DBG (1, "Invalid app worker :(");
978 sctx_index = quic_ctx_alloc (quic_session->thread_index); /* Allocate before we get pointers */
979 sctx = quic_ctx_get (sctx_index, quic_session->thread_index);
981 quic_ctx_get (quic_session->connection_index, quic_session->thread_index);
982 if (quic_ctx_is_stream (qctx))
984 QUIC_DBG (1, "session is a stream");
985 quic_ctx_free (sctx);
989 sctx->parent_app_wrk_id = qctx->parent_app_wrk_id;
990 sctx->parent_app_id = qctx->parent_app_id;
991 sctx->quic_connection_ctx_id = qctx->c_c_index;
992 sctx->c_c_index = sctx_index;
993 sctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
994 sctx->flags |= QUIC_F_IS_STREAM;
998 if (!conn || !quicly_connection_is_ready (conn))
1001 if ((rv = quicly_open_stream (conn, &stream, 0 /* uni */ )))
1003 QUIC_DBG (2, "Stream open failed with %d", rv);
1006 sctx->stream = stream;
1008 QUIC_DBG (2, "Opened stream %d, creating session", stream->stream_id);
1010 stream_session = session_alloc (qctx->c_thread_index);
1011 QUIC_DBG (2, "Allocated stream_session 0x%lx ctx %u",
1012 session_handle (stream_session), sctx_index);
1013 stream_session->app_wrk_index = app_wrk->wrk_index;
1014 stream_session->connection_index = sctx_index;
1015 stream_session->listener_handle = quic_session_handle;
1016 stream_session->session_type =
1017 session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, qctx->udp_is_ip4);
1019 sctx->c_s_index = stream_session->session_index;
1021 if (app_worker_init_connected (app_wrk, stream_session))
1023 QUIC_DBG (1, "failed to app_worker_init_connected");
1024 quicly_reset_stream (stream, QUIC_APP_ALLOCATION_ERROR);
1025 session_free_w_fifos (stream_session);
1026 quic_ctx_free (sctx);
1027 return app_worker_connect_notify (app_wrk, NULL, opaque);
1030 svm_fifo_add_want_deq_ntf (stream_session->rx_fifo,
1031 SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL |
1032 SVM_FIFO_WANT_DEQ_NOTIF_IF_EMPTY);
1034 stream_session->session_state = SESSION_STATE_READY;
1035 if (app_worker_connect_notify (app_wrk, stream_session, opaque))
1037 QUIC_DBG (1, "failed to notify app");
1038 quicly_reset_stream (stream, QUIC_APP_CONNECT_NOTIFY_ERROR);
1039 session_free_w_fifos (stream_session);
1040 quic_ctx_free (sctx);
1043 stream_data = (quic_stream_data_t *) stream->data;
1044 stream_data->ctx_id = sctx->c_c_index;
1045 stream_data->thread_index = sctx->c_thread_index;
1046 stream_data->app_rx_data_len = 0;
1051 quic_connect_new_connection (session_endpoint_cfg_t * sep)
1053 vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
1054 quic_main_t *qm = &quic_main;
1056 app_worker_t *app_wrk;
1061 ctx_index = quic_ctx_alloc (vlib_get_thread_index ());
1062 ctx = quic_ctx_get (ctx_index, vlib_get_thread_index ());
1063 ctx->parent_app_wrk_id = sep->app_wrk_index;
1064 ctx->c_s_index = QUIC_SESSION_INVALID;
1065 ctx->c_c_index = ctx_index;
1066 ctx->udp_is_ip4 = sep->is_ip4;
1067 ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
1068 ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE;
1069 ctx->client_opaque = sep->opaque;
1070 ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
1073 ctx->srv_hostname = format (0, "%v", sep->hostname);
1074 vec_terminate_c_string (ctx->srv_hostname);
1078 /* needed by quic for crypto + determining client / server */
1080 format (0, "%U", format_ip46_address, &sep->ip, sep->is_ip4);
1083 clib_memcpy (&cargs->sep, sep, sizeof (session_endpoint_cfg_t));
1084 cargs->sep.transport_proto = TRANSPORT_PROTO_UDPC;
1085 cargs->app_index = qm->app_index;
1086 cargs->api_context = ctx_index;
1088 app_wrk = app_worker_get (sep->app_wrk_index);
1089 app = application_get (app_wrk->app_index);
1090 ctx->parent_app_id = app_wrk->app_index;
1091 cargs->sep_ext.ns_index = app->ns_index;
1093 quic_store_quicly_ctx (app, 1 /* is client */ );
1095 if ((error = vnet_connect (cargs)))
1102 quic_connect (transport_endpoint_cfg_t * tep)
1104 QUIC_DBG (2, "Called quic_connect");
1105 session_endpoint_cfg_t *sep = (session_endpoint_cfg_t *) tep;
1106 session_t *quic_session;
1107 sep = (session_endpoint_cfg_t *) tep;
1109 quic_session = session_get_from_handle_if_valid (sep->parent_handle);
1111 return quic_connect_new_stream (quic_session, sep->opaque);
1113 return quic_connect_new_connection (sep);
1117 quic_proto_on_close (u32 ctx_index, u32 thread_index)
1119 quic_ctx_t *ctx = quic_ctx_get_if_valid (ctx_index, thread_index);
1123 session_t *stream_session =
1124 session_get (ctx->c_s_index, ctx->c_thread_index);
1125 clib_warning ("Closing session 0x%lx", session_handle (stream_session));
1127 if (quic_ctx_is_stream (ctx))
1129 quicly_stream_t *stream = ctx->stream;
1130 quicly_reset_stream (stream, QUIC_APP_ERROR_CLOSE_NOTIFY);
1131 quic_send_packets (ctx);
1135 switch (ctx->conn_state)
1137 case QUIC_CONN_STATE_READY:
1138 ctx->conn_state = QUIC_CONN_STATE_ACTIVE_CLOSING;
1139 quicly_conn_t *conn = ctx->conn;
1140 /* Start connection closing. Keep sending packets until quicly_send
1141 returns QUICLY_ERROR_FREE_CONNECTION */
1142 quicly_close (conn, QUIC_APP_ERROR_CLOSE_NOTIFY, "Closed by peer");
1143 /* This also causes all streams to be closed (and the cb called) */
1144 quic_send_packets (ctx);
1146 case QUIC_CONN_STATE_PASSIVE_CLOSING:
1147 ctx->conn_state = QUIC_CONN_STATE_PASSIVE_CLOSING_APP_CLOSED;
1148 /* send_packets will eventually return an error, we delete the conn at
1151 case QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED:
1152 quic_connection_delete (ctx);
1155 QUIC_DBG (0, "BUG");
1161 quic_start_listen (u32 quic_listen_session_index, transport_endpoint_t * tep)
1163 vnet_listen_args_t _bargs, *args = &_bargs;
1164 quic_main_t *qm = &quic_main;
1165 session_handle_t udp_handle;
1166 session_endpoint_cfg_t *sep;
1167 session_t *udp_listen_session;
1168 app_worker_t *app_wrk;
1172 app_listener_t *app_listener;
1174 sep = (session_endpoint_cfg_t *) tep;
1175 app_wrk = app_worker_get (sep->app_wrk_index);
1176 /* We need to call this because we call app_worker_init_connected in
1177 * quic_accept_stream, which assumes the connect segment manager exists */
1178 app_worker_alloc_connects_segment_manager (app_wrk);
1179 app = application_get (app_wrk->app_index);
1180 QUIC_DBG (2, "Called quic_start_listen for app %d", app_wrk->app_index);
1182 quic_store_quicly_ctx (app, 0 /* is_client */ );
1184 sep->transport_proto = TRANSPORT_PROTO_UDPC;
1185 memset (args, 0, sizeof (*args));
1186 args->app_index = qm->app_index;
1187 args->sep_ext = *sep;
1188 args->sep_ext.ns_index = app->ns_index;
1189 if (vnet_listen (args))
1192 lctx_index = quic_ctx_alloc (0);
1193 udp_handle = args->handle;
1194 app_listener = app_listener_get_w_handle (udp_handle);
1195 udp_listen_session = app_listener_get_session (app_listener);
1196 udp_listen_session->opaque = lctx_index;
1198 lctx = quic_ctx_get (lctx_index, 0);
1199 lctx->flags |= QUIC_F_IS_LISTENER;
1201 clib_memcpy (&lctx->c_rmt_ip, &args->sep.peer.ip, sizeof (ip46_address_t));
1202 clib_memcpy (&lctx->c_lcl_ip, &args->sep.ip, sizeof (ip46_address_t));
1203 lctx->c_rmt_port = args->sep.peer.port;
1204 lctx->c_lcl_port = args->sep.port;
1205 lctx->c_is_ip4 = args->sep.is_ip4;
1206 lctx->c_fib_index = args->sep.fib_index;
1207 lctx->c_proto = TRANSPORT_PROTO_QUIC;
1208 lctx->parent_app_wrk_id = sep->app_wrk_index;
1209 lctx->parent_app_id = app_wrk->app_index;
1210 lctx->udp_session_handle = udp_handle;
1211 lctx->c_s_index = quic_listen_session_index;
1213 QUIC_DBG (2, "Listening UDP session 0x%lx",
1214 session_handle (udp_listen_session));
1215 QUIC_DBG (2, "Listening QUIC session 0x%lx", quic_listen_session_index);
1220 quic_stop_listen (u32 lctx_index)
1222 QUIC_DBG (2, "Called quic_stop_listen");
1224 lctx = quic_ctx_get (lctx_index, 0);
1225 ASSERT (quic_ctx_is_listener (lctx));
1226 vnet_unlisten_args_t a = {
1227 .handle = lctx->udp_session_handle,
1228 .app_index = quic_main.app_index,
1229 .wrk_map_index = 0 /* default wrk */
1231 if (vnet_unlisten (&a))
1232 clib_warning ("unlisten errored");
1234 /* TODO: crypto state cleanup */
1236 quic_ctx_free (lctx);
1240 static transport_connection_t *
1241 quic_connection_get (u32 ctx_index, u32 thread_index)
1244 ctx = quic_ctx_get (ctx_index, thread_index);
1245 return &ctx->connection;
1248 static transport_connection_t *
1249 quic_listener_get (u32 listener_index)
1251 QUIC_DBG (2, "Called quic_listener_get");
1253 ctx = quic_ctx_get (listener_index, 0);
1254 return &ctx->connection;
1258 format_quic_ctx (u8 * s, va_list * args)
1260 quic_ctx_t *ctx = va_arg (*args, quic_ctx_t *);
1261 u32 verbose = va_arg (*args, u32);
1266 str = format (str, "[#%d][Q] ", ctx->c_thread_index);
1268 if (quic_ctx_is_listener (ctx))
1269 str = format (str, "Listener, UDP %ld", ctx->udp_session_handle);
1270 else if (quic_ctx_is_stream (ctx))
1271 str = format (str, "Stream %ld conn %d",
1272 ctx->stream->stream_id, ctx->quic_connection_ctx_id);
1273 else /* connection */
1274 str = format (str, "Conn %d UDP %d", ctx->c_c_index,
1275 ctx->udp_session_handle);
1277 str = format (str, " app %d wrk %d", ctx->parent_app_id,
1278 ctx->parent_app_wrk_id);
1281 s = format (s, "%-50s%-15d", str, ctx->conn_state);
1283 s = format (s, "%s\n", str);
1289 format_quic_connection (u8 * s, va_list * args)
1291 u32 qc_index = va_arg (*args, u32);
1292 u32 thread_index = va_arg (*args, u32);
1293 u32 verbose = va_arg (*args, u32);
1294 quic_ctx_t *ctx = quic_ctx_get (qc_index, thread_index);
1295 s = format (s, "%U", format_quic_ctx, ctx, verbose);
1300 format_quic_half_open (u8 * s, va_list * args)
1302 u32 qc_index = va_arg (*args, u32);
1303 u32 thread_index = va_arg (*args, u32);
1304 quic_ctx_t *ctx = quic_ctx_get (qc_index, thread_index);
1306 format (s, "[#%d][Q] half-open app %u", thread_index, ctx->parent_app_id);
1312 format_quic_listener (u8 * s, va_list * args)
1314 u32 tci = va_arg (*args, u32);
1315 u32 thread_index = va_arg (*args, u32);
1316 u32 verbose = va_arg (*args, u32);
1317 quic_ctx_t *ctx = quic_ctx_get (tci, thread_index);
1318 s = format (s, "%U", format_quic_ctx, ctx, verbose);
1322 /*****************************************************************************
1323 * END TRANSPORT PROTO FUNCTIONS
1325 * START SESSION CALLBACKS
1326 * Called from UDP layer
1327 *****************************************************************************/
1330 quic_build_sockaddr (struct sockaddr *sa, socklen_t * salen,
1331 ip46_address_t * addr, u16 port, u8 is_ip4)
1335 struct sockaddr_in *sa4 = (struct sockaddr_in *) sa;
1336 sa4->sin_family = AF_INET;
1337 sa4->sin_port = port;
1338 sa4->sin_addr.s_addr = addr->ip4.as_u32;
1339 *salen = sizeof (struct sockaddr_in);
1343 struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *) sa;
1344 sa6->sin6_family = AF_INET6;
1345 sa6->sin6_port = port;
1346 clib_memcpy (&sa6->sin6_addr, &addr->ip6, 16);
1347 *salen = sizeof (struct sockaddr_in6);
1352 quic_on_client_connected (quic_ctx_t * ctx)
1354 session_t *quic_session;
1355 app_worker_t *app_wrk;
1356 u32 ctx_id = ctx->c_c_index;
1357 u32 thread_index = ctx->c_thread_index;
1360 app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_id);
1363 quic_disconnect_transport (ctx);
1367 quic_session = session_alloc (thread_index);
1369 QUIC_DBG (2, "Allocated quic session 0x%lx", session_handle (quic_session));
1370 ctx->c_s_index = quic_session->session_index;
1371 quic_session->app_wrk_index = ctx->parent_app_wrk_id;
1372 quic_session->connection_index = ctx->c_c_index;
1373 quic_session->listener_handle = SESSION_INVALID_HANDLE;
1374 quic_session->session_type =
1375 session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, ctx->udp_is_ip4);
1377 if (app_worker_init_connected (app_wrk, quic_session))
1379 QUIC_DBG (1, "failed to app_worker_init_connected");
1380 quic_proto_on_close (ctx_id, thread_index);
1381 return app_worker_connect_notify (app_wrk, NULL, ctx->client_opaque);
1384 quic_session->session_state = SESSION_STATE_CONNECTING;
1385 if ((rv = app_worker_connect_notify (app_wrk, quic_session,
1386 ctx->client_opaque)))
1388 QUIC_DBG (1, "failed to notify app %d", rv);
1389 quic_proto_on_close (ctx_id, thread_index);
1393 /* If the app opens a stream in its callback it may invalidate ctx */
1394 ctx = quic_ctx_get (ctx_id, thread_index);
1395 quic_session->session_state = SESSION_STATE_LISTENING;
1401 quic_receive_connection (void *arg)
1403 u32 new_ctx_id, thread_index = vlib_get_thread_index ();
1404 quic_ctx_t *temp_ctx, *new_ctx;
1405 clib_bihash_kv_16_8_t kv;
1406 quicly_conn_t *conn;
1409 new_ctx_id = quic_ctx_alloc (thread_index);
1410 new_ctx = quic_ctx_get (new_ctx_id, thread_index);
1412 QUIC_DBG (2, "Received conn %u (now %u)", temp_ctx->c_thread_index,
1416 memcpy (new_ctx, temp_ctx, sizeof (quic_ctx_t));
1417 clib_mem_free (temp_ctx);
1419 new_ctx->c_thread_index = thread_index;
1420 new_ctx->c_c_index = new_ctx_id;
1422 conn = new_ctx->conn;
1423 quic_store_conn_ctx (conn, new_ctx);
1424 quic_make_connection_key (&kv, quicly_get_master_id (conn));
1425 kv.value = ((u64) thread_index) << 32 | (u64) new_ctx_id;
1426 QUIC_DBG (2, "Registering conn with id %lu %lu", kv.key[0], kv.key[1]);
1427 clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 1 /* is_add */ );
1428 new_ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
1429 quic_update_timer (new_ctx);
1431 /* Trigger read on this connection ? */
1435 quic_transfer_connection (u32 ctx_index, u32 dest_thread)
1437 tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
1438 quic_ctx_t *ctx, *temp_ctx;
1439 u32 thread_index = vlib_get_thread_index ();
1441 QUIC_DBG (2, "Transferring conn %u to thread %u", ctx_index, dest_thread);
1443 temp_ctx = clib_mem_alloc (sizeof (quic_ctx_t));
1445 ctx = quic_ctx_get (ctx_index, thread_index);
1447 memcpy (temp_ctx, ctx, sizeof (quic_ctx_t));
1449 /* Remove from timer wheel and thread-local pool */
1450 if (ctx->timer_handle != QUIC_TIMER_HANDLE_INVALID)
1452 tw = &quic_main.wrk_ctx[thread_index].timer_wheel;
1453 tw_timer_stop_1t_3w_1024sl_ov (tw, ctx->timer_handle);
1455 quic_ctx_free (ctx);
1457 /* Send connection to destination thread */
1458 session_send_rpc_evt_to_thread (dest_thread, quic_receive_connection,
1463 quic_transfer_connection_rpc (void *arg)
1465 u64 arg_int = (u64) arg;
1466 u32 ctx_index, dest_thread;
1468 ctx_index = (u32) (arg_int >> 32);
1469 dest_thread = (u32) (arg_int & UINT32_MAX);
1470 quic_transfer_connection (ctx_index, dest_thread);
1474 * This assumes that the connection is not yet associated to a session
1475 * So currently it only works on the client side when receiving the first packet
1479 quic_move_connection_to_thread (u32 ctx_index, u32 owner_thread,
1481 quicly_decoded_packet_t * packet)
1483 clib_bihash_kv_16_8_t kv;
1484 clib_bihash_16_8_t *h;
1486 if (owner_thread == UINT32_MAX)
1488 QUIC_DBG (3, "Connection already moving to right thread");
1492 /* Mark connection as moving in the conn map */
1493 h = &quic_main.connection_hash;
1494 quic_make_connection_key (&kv, &packet->cid.dest.plaintext);
1495 if (clib_bihash_search_16_8 (h, &kv, &kv) != 0)
1497 QUIC_DBG (0, "Bug: conn to move not found");
1500 kv.value |= (u64) UINT32_MAX << 32;
1501 if (clib_bihash_add_del_16_8
1502 (&quic_main.connection_hash, &kv, /* is_add */ 1))
1504 QUIC_DBG (0, "Bug: cannot update conn in lookup hash");
1508 /* Send rpc to owner thread to move conn */
1509 QUIC_DBG (2, "Requesting transfer of conn %u from thread %u", ctx_index,
1511 u64 arg = ((u64) ctx_index) << 32 | to_thread;
1512 session_send_rpc_evt_to_thread (owner_thread, quic_transfer_connection_rpc,
1517 quic_session_connected_callback (u32 quic_app_index, u32 ctx_index,
1518 session_t * udp_session, u8 is_fail)
1520 QUIC_DBG (2, "QSession is now connected (id %u)",
1521 udp_session->session_index);
1522 /* This should always be called before quic_connect returns since UDP always
1523 * connects instantly. */
1524 clib_bihash_kv_16_8_t kv;
1525 struct sockaddr_in6 sa6;
1526 struct sockaddr *sa = (struct sockaddr *) &sa6;
1528 transport_connection_t *tc;
1529 app_worker_t *app_wrk;
1530 quicly_conn_t *conn;
1532 u32 thread_index = vlib_get_thread_index ();
1534 quicly_context_t *quicly_ctx;
1537 ctx = quic_ctx_get (ctx_index, thread_index);
1541 app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_id);
1544 api_context = ctx->c_s_index;
1545 app_worker_connect_notify (app_wrk, 0, api_context);
1550 ctx->c_thread_index = thread_index;
1551 ctx->c_c_index = ctx_index;
1553 QUIC_DBG (2, "Quic connect returned %u. New ctx [%u]%x",
1554 is_fail, thread_index, (ctx) ? ctx_index : ~0);
1556 ctx->udp_session_handle = session_handle (udp_session);
1557 udp_session->opaque = ctx->parent_app_id;
1559 /* Init QUIC lib connection
1560 * Generate required sockaddr & salen */
1561 tc = session_get_transport (udp_session);
1562 quic_build_sockaddr (sa, &salen, &tc->rmt_ip, tc->rmt_port, tc->is_ip4);
1564 quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
1565 ret = quicly_connect (&ctx->conn, quicly_ctx, (char *) ctx->srv_hostname,
1566 sa, salen, &quic_main.next_cid,
1567 &quic_main.hs_properties, NULL);
1568 ++quic_main.next_cid.master_id;
1569 /* Save context handle in quicly connection */
1570 quic_store_conn_ctx (ctx->conn, ctx);
1573 /* Register connection in connections map */
1575 quic_make_connection_key (&kv, quicly_get_master_id (conn));
1576 kv.value = ((u64) thread_index) << 32 | (u64) ctx_index;
1577 QUIC_DBG (2, "Registering conn with id %lu %lu", kv.key[0], kv.key[1]);
1578 clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 1 /* is_add */ );
1580 quic_send_packets (ctx);
1582 /* UDP stack quirk? preemptively transfer connection if that happens */
1583 if (udp_session->thread_index != thread_index)
1584 quic_transfer_connection (ctx_index, udp_session->thread_index);
1590 quic_session_disconnect_callback (session_t * s)
1592 clib_warning ("UDP session disconnected???");
1596 quic_session_reset_callback (session_t * s)
1598 clib_warning ("UDP session reset???");
1602 quic_session_accepted_callback (session_t * udp_session)
1604 /* New UDP connection, try to accept it */
1607 quic_ctx_t *ctx, *lctx;
1608 session_t *udp_listen_session;
1609 u32 thread_index = vlib_get_thread_index ();
1611 udp_listen_session =
1612 listen_session_get_from_handle (udp_session->listener_handle);
1614 ctx_index = quic_ctx_alloc (thread_index);
1615 ctx = quic_ctx_get (ctx_index, thread_index);
1616 ctx->c_thread_index = udp_session->thread_index;
1617 ctx->c_c_index = ctx_index;
1618 ctx->c_s_index = QUIC_SESSION_INVALID;
1619 ctx->udp_session_handle = session_handle (udp_session);
1620 QUIC_DBG (2, "ACCEPTED UDP 0x%lx", ctx->udp_session_handle);
1621 ctx->listener_ctx_id = udp_listen_session->opaque;
1622 lctx = quic_ctx_get (udp_listen_session->opaque,
1623 udp_listen_session->thread_index);
1624 ctx->udp_is_ip4 = lctx->c_is_ip4;
1625 ctx->parent_app_id = lctx->parent_app_id;
1626 ctx->parent_app_wrk_id = lctx->parent_app_wrk_id;
1627 ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
1628 ctx->conn_state = QUIC_CONN_STATE_OPENED;
1629 ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
1631 udp_session->opaque = ctx->parent_app_id;
1633 /* Put this ctx in the "opening" pool */
1634 pool_get (quic_main.wrk_ctx[ctx->c_thread_index].opening_ctx_pool,
1636 *pool_index = ctx_index;
1638 /* TODO timeout to delete these if they never connect */
1643 quic_add_segment_callback (u32 client_index, u64 seg_handle)
1645 QUIC_DBG (2, "Called quic_add_segment_callback");
1646 QUIC_DBG (2, "NOT IMPLEMENTED");
1647 /* No-op for builtin */
1652 quic_del_segment_callback (u32 client_index, u64 seg_handle)
1654 QUIC_DBG (2, "Called quic_del_segment_callback");
1655 QUIC_DBG (2, "NOT IMPLEMENTED");
1656 /* No-op for builtin */
1662 quic_custom_app_rx_callback (transport_connection_t * tc)
1665 session_t *stream_session = session_get (tc->s_index, tc->thread_index);
1666 QUIC_DBG (3, "Received app READ notification");
1667 quic_ack_rx_data (stream_session);
1668 svm_fifo_reset_has_deq_ntf (stream_session->rx_fifo);
1670 /* Need to send packets (acks may never be sent otherwise) */
1671 ctx = quic_ctx_get (stream_session->connection_index,
1672 stream_session->thread_index);
1673 quic_send_packets (ctx);
1678 quic_custom_tx_callback (void *s, u32 max_burst_size)
1680 session_t *stream_session = (session_t *) s;
1681 quicly_stream_t *stream;
1686 (stream_session->session_state >= SESSION_STATE_TRANSPORT_CLOSING))
1689 quic_ctx_get (stream_session->connection_index,
1690 stream_session->thread_index);
1691 if (PREDICT_FALSE (!quic_ctx_is_stream (ctx)))
1693 goto tx_end; /* Most probably a reschedule */
1696 QUIC_DBG (3, "Stream TX event");
1697 quic_ack_rx_data (stream_session);
1698 if (!svm_fifo_max_dequeue (stream_session->tx_fifo))
1701 stream = ctx->stream;
1702 if (!quicly_sendstate_is_open (&stream->sendstate))
1704 QUIC_DBG (1, "Warning: tried to send on closed stream");
1708 if ((rv = quicly_stream_sync_sendbuf (stream, 1)) != 0)
1712 quic_send_packets (ctx);
1718 * Returns 0 if a matching connection is found and is on the right thread.
1719 * Otherwise returns -1.
1720 * If a connection is found, even on the wrong thread, ctx_thread and ctx_index
1724 quic_find_packet_ctx (u32 * ctx_thread, u32 * ctx_index,
1725 struct sockaddr *sa, socklen_t salen,
1726 quicly_decoded_packet_t * packet,
1727 u32 caller_thread_index)
1730 quicly_conn_t *conn_;
1731 clib_bihash_kv_16_8_t kv;
1732 clib_bihash_16_8_t *h;
1734 h = &quic_main.connection_hash;
1735 quic_make_connection_key (&kv, &packet->cid.dest.plaintext);
1736 QUIC_DBG (3, "Searching conn with id %lu %lu", kv.key[0], kv.key[1]);
1738 if (clib_bihash_search_16_8 (h, &kv, &kv) == 0)
1740 u32 index = kv.value & UINT32_MAX;
1741 u32 thread_id = kv.value >> 32;
1742 /* Check if this connection belongs to this thread, otherwise
1743 * ask for it to be moved */
1744 if (thread_id != caller_thread_index)
1746 QUIC_DBG (2, "Connection is on wrong thread");
1747 /* Cannot make full check with quicly_is_destination... */
1749 *ctx_thread = thread_id;
1752 ctx_ = quic_ctx_get (index, vlib_get_thread_index ());
1754 if (conn_ && quicly_is_destination (conn_, sa, salen, packet))
1756 QUIC_DBG (3, "Connection found");
1758 *ctx_thread = thread_id;
1762 QUIC_DBG (3, "connection not found");
1767 quic_receive (quic_ctx_t * ctx, quicly_conn_t * conn,
1768 quicly_decoded_packet_t packet)
1771 u32 ctx_id = ctx->c_c_index;
1772 u32 thread_index = ctx->c_thread_index;
1773 /* TODO : QUICLY_ERROR_PACKET_IGNORED sould be handled */
1774 rv = quicly_receive (conn, &packet);
1777 QUIC_DBG (2, "quicly_receive errored %U", quic_format_err, rv);
1780 /* ctx pointer may change if a new stream is opened */
1781 ctx = quic_ctx_get (ctx_id, thread_index);
1782 /* Conn may be set to null if the connection is terminated */
1783 if (ctx->conn && ctx->conn_state == QUIC_CONN_STATE_HANDSHAKE)
1785 if (quicly_connection_is_ready (conn))
1787 ctx->conn_state = QUIC_CONN_STATE_READY;
1788 if (quicly_is_client (conn))
1790 quic_on_client_connected (ctx);
1791 ctx = quic_ctx_get (ctx_id, thread_index);
1795 return quic_send_packets (ctx);
1799 quic_create_quic_session (quic_ctx_t * ctx)
1801 session_t *quic_session;
1802 app_worker_t *app_wrk;
1806 quic_session = session_alloc (ctx->c_thread_index);
1807 QUIC_DBG (2, "Allocated quic_session, 0x%lx ctx %u",
1808 session_handle (quic_session), ctx->c_c_index);
1809 quic_session->session_state = SESSION_STATE_LISTENING;
1810 ctx->c_s_index = quic_session->session_index;
1812 lctx = quic_ctx_get (ctx->listener_ctx_id, 0);
1814 quic_session->app_wrk_index = lctx->parent_app_wrk_id;
1815 quic_session->connection_index = ctx->c_c_index;
1816 quic_session->session_type =
1817 session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, ctx->udp_is_ip4);
1818 quic_session->listener_handle = lctx->c_s_index;
1820 /* TODO: don't alloc fifos when we don't transfer data on this session
1821 * but we still need fifos for the events? */
1822 if ((rv = app_worker_init_accepted (quic_session)))
1824 QUIC_DBG (1, "failed to allocate fifos");
1825 session_free (quic_session);
1828 app_wrk = app_worker_get (quic_session->app_wrk_index);
1829 if ((rv = app_worker_accept_notify (app_wrk, quic_session)))
1831 QUIC_DBG (1, "failed to notify accept worker app");
1838 quic_create_connection (u32 ctx_index, struct sockaddr *sa,
1839 socklen_t salen, quicly_decoded_packet_t packet)
1841 clib_bihash_kv_16_8_t kv;
1843 quicly_conn_t *conn;
1844 u32 thread_index = vlib_get_thread_index ();
1845 quicly_context_t *quicly_ctx;
1848 /* new connection, accept and create context if packet is valid
1849 * TODO: check if socket is actually listening? */
1850 ctx = quic_ctx_get (ctx_index, thread_index);
1851 quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
1852 if ((rv = quicly_accept (&conn, quicly_ctx, sa, salen,
1853 &packet, ptls_iovec_init (NULL, 0),
1854 &quic_main.next_cid, NULL)))
1856 /* Invalid packet, pass */
1857 assert (conn == NULL);
1858 QUIC_DBG (1, "Accept failed with %d", rv);
1859 /* TODO: cleanup created quic ctx and UDP session */
1862 assert (conn != NULL);
1864 ++quic_main.next_cid.master_id;
1865 /* Save ctx handle in quicly connection */
1866 quic_store_conn_ctx (conn, ctx);
1868 ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE;
1870 quic_create_quic_session (ctx);
1872 /* Register connection in connections map */
1873 quic_make_connection_key (&kv, quicly_get_master_id (conn));
1874 kv.value = ((u64) thread_index) << 32 | (u64) ctx_index;
1875 clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 1 /* is_add */ );
1876 QUIC_DBG (2, "Registering conn with id %lu %lu", kv.key[0], kv.key[1]);
1878 return quic_send_packets (ctx);
1882 quic_reset_connection (u64 udp_session_handle,
1883 struct sockaddr *sa, socklen_t salen,
1884 quicly_decoded_packet_t packet)
1886 /* short header packet; potentially a dead connection. No need to check the
1887 * length of the incoming packet, because loop is prevented by authenticating
1888 * the CID (by checking node_id and thread_id). If the peer is also sending a
1889 * reset, then the next CID is highly likely to contain a non-authenticating
1891 QUIC_DBG (2, "Sending stateless reset");
1893 quicly_datagram_t *dgram;
1894 session_t *udp_session;
1895 quicly_context_t *quicly_ctx;
1896 if (packet.cid.dest.plaintext.node_id != 0
1897 || packet.cid.dest.plaintext.thread_id != 0)
1899 quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle);
1900 dgram = quicly_send_stateless_reset (quicly_ctx, sa, salen,
1901 &packet.cid.dest.plaintext);
1904 udp_session = session_get_from_handle (udp_session_handle);
1905 rv = quic_send_datagram (udp_session, dgram);
1906 if (svm_fifo_set_event (udp_session->tx_fifo))
1907 session_send_io_evt_to_thread (udp_session->tx_fifo, SESSION_IO_EVT_TX);
1912 quic_app_rx_callback (session_t * udp_session)
1914 /* Read data from UDP rx_fifo and pass it to the quicly conn. */
1915 quicly_decoded_packet_t packet;
1916 session_dgram_hdr_t ph;
1918 quic_ctx_t *ctx = NULL;
1921 struct sockaddr_in6 sa6;
1922 struct sockaddr *sa = (struct sockaddr *) &sa6;
1924 u32 max_deq, full_len, ctx_index = UINT32_MAX, ctx_thread = UINT32_MAX, ret;
1927 u32 *opening_ctx_pool, *ctx_index_ptr;
1928 u32 app_index = udp_session->opaque;
1929 u64 udp_session_handle = session_handle (udp_session);
1931 u32 thread_index = vlib_get_thread_index ();
1932 quicly_context_t *quicly_ctx;
1934 app = application_get_if_valid (app_index);
1937 QUIC_DBG (1, "Got RX on detached app");
1938 /* TODO: close this session, cleanup state? */
1944 udp_session = session_get_from_handle (udp_session_handle); /* session alloc might have happened */
1945 f = udp_session->rx_fifo;
1946 max_deq = svm_fifo_max_dequeue (f);
1950 if (max_deq < SESSION_CONN_HDR_LEN)
1952 QUIC_DBG (1, "Not enough data for even a header in RX");
1955 ret = svm_fifo_peek (f, 0, SESSION_CONN_HDR_LEN, (u8 *) & ph);
1956 if (ret != SESSION_CONN_HDR_LEN)
1958 QUIC_DBG (1, "Not enough data for header in RX");
1961 ASSERT (ph.data_offset == 0);
1962 full_len = ph.data_length + SESSION_CONN_HDR_LEN;
1963 if (full_len > max_deq)
1965 QUIC_DBG (1, "Not enough data in fifo RX");
1969 /* Quicly can read len bytes from the fifo at offset:
1970 * ph.data_offset + SESSION_CONN_HDR_LEN */
1971 data = malloc (ph.data_length);
1972 ret = svm_fifo_peek (f, SESSION_CONN_HDR_LEN, ph.data_length, data);
1973 if (ret != ph.data_length)
1975 QUIC_DBG (1, "Not enough data peeked in RX");
1981 quic_build_sockaddr (sa, &salen, &ph.rmt_ip, ph.rmt_port, ph.is_ip4);
1983 quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle);
1984 plen = quicly_decode_packet (quicly_ctx, &packet, data, ph.data_length);
1985 if (plen != SIZE_MAX)
1988 err = quic_find_packet_ctx (&ctx_thread, &ctx_index, sa, salen,
1989 &packet, thread_index);
1992 ctx = quic_ctx_get (ctx_index, thread_index);
1993 quic_receive (ctx, ctx->conn, packet);
1995 else if (ctx_index != UINT32_MAX)
1997 /* Connection found but on wrong thread, ask move */
1998 quic_move_connection_to_thread (ctx_index, ctx_thread,
1999 thread_index, &packet);
2001 else if ((packet.octets.base[0] & QUICLY_PACKET_TYPE_BITMASK) ==
2002 QUICLY_PACKET_TYPE_INITIAL)
2004 /* Try to find matching "opening" ctx */
2006 quic_main.wrk_ctx[thread_index].opening_ctx_pool;
2009 pool_foreach (ctx_index_ptr, opening_ctx_pool,
2011 ctx = quic_ctx_get (*ctx_index_ptr, thread_index);
2012 if (ctx->udp_session_handle == udp_session_handle)
2014 /* Right ctx found, create conn & remove from pool */
2015 quic_create_connection (*ctx_index_ptr, sa, salen, packet);
2016 pool_put (opening_ctx_pool, ctx_index_ptr);
2017 goto ctx_search_done;
2025 quic_reset_connection (udp_session_handle, sa, salen, packet);
2029 svm_fifo_dequeue_drop (f, full_len);
2037 quic_common_get_transport_endpoint (quic_ctx_t * ctx,
2038 transport_endpoint_t * tep, u8 is_lcl)
2040 session_t *udp_session;
2041 if (!quic_ctx_is_stream (ctx))
2043 udp_session = session_get_from_handle (ctx->udp_session_handle);
2044 session_get_endpoint (udp_session, tep, is_lcl);
2049 quic_get_transport_listener_endpoint (u32 listener_index,
2050 transport_endpoint_t * tep, u8 is_lcl)
2053 app_listener_t *app_listener;
2054 session_t *udp_listen_session;
2055 ctx = quic_ctx_get (listener_index, vlib_get_thread_index ());
2056 if (quic_ctx_is_listener (ctx))
2058 app_listener = app_listener_get_w_handle (ctx->udp_session_handle);
2059 udp_listen_session = app_listener_get_session (app_listener);
2060 return session_get_endpoint (udp_listen_session, tep, is_lcl);
2062 quic_common_get_transport_endpoint (ctx, tep, is_lcl);
2066 quic_get_transport_endpoint (u32 ctx_index, u32 thread_index,
2067 transport_endpoint_t * tep, u8 is_lcl)
2070 ctx = quic_ctx_get (ctx_index, thread_index);
2071 quic_common_get_transport_endpoint (ctx, tep, is_lcl);
2074 /*****************************************************************************
2075 * END TRANSPORT PROTO FUNCTIONS
2076 *****************************************************************************/
2079 static session_cb_vft_t quic_app_cb_vft = {
2080 .session_accept_callback = quic_session_accepted_callback,
2081 .session_disconnect_callback = quic_session_disconnect_callback,
2082 .session_connected_callback = quic_session_connected_callback,
2083 .session_reset_callback = quic_session_reset_callback,
2084 .add_segment_callback = quic_add_segment_callback,
2085 .del_segment_callback = quic_del_segment_callback,
2086 .builtin_app_rx_callback = quic_app_rx_callback,
2089 static const transport_proto_vft_t quic_proto = {
2090 .connect = quic_connect,
2091 .close = quic_proto_on_close,
2092 .start_listen = quic_start_listen,
2093 .stop_listen = quic_stop_listen,
2094 .get_connection = quic_connection_get,
2095 .get_listener = quic_listener_get,
2096 .update_time = quic_update_time,
2097 .app_rx_evt = quic_custom_app_rx_callback,
2098 .custom_tx = quic_custom_tx_callback,
2099 .format_connection = format_quic_connection,
2100 .format_half_open = format_quic_half_open,
2101 .format_listener = format_quic_listener,
2102 .get_transport_endpoint = quic_get_transport_endpoint,
2103 .get_transport_listener_endpoint = quic_get_transport_listener_endpoint,
2104 .transport_options = {
2105 .tx_type = TRANSPORT_TX_INTERNAL,
2106 .service_type = TRANSPORT_SERVICE_APP,
2112 quic_register_cipher_suite (quic_crypto_engine_t type,
2113 ptls_cipher_suite_t ** ciphers)
2115 quic_main_t *qm = &quic_main;
2116 vec_validate (qm->quic_ciphers, type);
2117 qm->quic_ciphers[type] = ciphers;
2120 static clib_error_t *
2121 quic_init (vlib_main_t * vm)
2123 u32 segment_size = 256 << 20;
2124 vlib_thread_main_t *vtm = vlib_get_thread_main ();
2125 tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
2126 vnet_app_attach_args_t _a, *a = &_a;
2127 u64 options[APP_OPTIONS_N_OPTIONS];
2128 quic_main_t *qm = &quic_main;
2129 u32 fifo_size = QUIC_FIFO_SIZE;
2132 num_threads = 1 /* main thread */ + vtm->n_threads;
2134 memset (a, 0, sizeof (*a));
2135 memset (options, 0, sizeof (options));
2137 a->session_cb_vft = &quic_app_cb_vft;
2138 a->api_client_index = APP_INVALID_INDEX;
2139 a->options = options;
2140 a->name = format (0, "quic");
2141 a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
2142 a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
2143 a->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size;
2144 a->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size;
2145 a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
2146 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
2147 a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_TRANSPORT_APP;
2149 if (vnet_application_attach (a))
2151 clib_warning ("failed to attach quic app");
2152 return clib_error_return (0, "failed to attach quic app");
2155 vec_validate (qm->ctx_pool, num_threads - 1);
2156 vec_validate (qm->wrk_ctx, num_threads - 1);
2157 /* Timer wheels, one per thread. */
2158 for (i = 0; i < num_threads; i++)
2160 tw = &qm->wrk_ctx[i].timer_wheel;
2161 tw_timer_wheel_init_1t_3w_1024sl_ov (tw, quic_expired_timers_dispatch,
2162 1e-3 /* timer period 1ms */ , ~0);
2163 tw->last_run_time = vlib_time_now (vlib_get_main ());
2166 clib_bihash_init_16_8 (&qm->connection_hash, "quic connections", 1024,
2170 qm->app_index = a->app_index;
2171 qm->tstamp_ticks_per_clock = vm->clib_time.seconds_per_clock
2172 / QUIC_TSTAMP_RESOLUTION;
2173 qm->session_cache.super.cb = quic_encrypt_ticket_cb;
2175 transport_register_protocol (TRANSPORT_PROTO_QUIC, &quic_proto,
2176 FIB_PROTOCOL_IP4, ~0);
2177 transport_register_protocol (TRANSPORT_PROTO_QUIC, &quic_proto,
2178 FIB_PROTOCOL_IP6, ~0);
2180 quic_register_cipher_suite (CRYPTO_ENGINE_VPP, vpp_crypto_cipher_suites);
2181 quic_register_cipher_suite (CRYPTO_ENGINE_PICOTLS,
2182 ptls_openssl_cipher_suites);
2183 qm->default_cipher = CRYPTO_ENGINE_PICOTLS;
2188 VLIB_INIT_FUNCTION (quic_init);
2190 static clib_error_t *
2191 quic_plugin_crypto_command_fn (vlib_main_t * vm,
2192 unformat_input_t * input,
2193 vlib_cli_command_t * cmd)
2195 quic_main_t *qm = &quic_main;
2196 if (unformat_check_input (input) == UNFORMAT_END_OF_INPUT)
2197 return clib_error_return (0, "unknown input '%U'",
2198 format_unformat_error, input);
2199 if (unformat (input, "vpp"))
2200 qm->default_cipher = CRYPTO_ENGINE_VPP;
2201 else if (unformat (input, "picotls"))
2202 qm->default_cipher = CRYPTO_ENGINE_PICOTLS;
2204 return clib_error_return (0, "unknown input '%U'",
2205 format_unformat_error, input);
2210 VLIB_CLI_COMMAND(quic_plugin_crypto_command, static)=
2212 .path = "quic set crypto api",
2213 .short_help = "quic set crypto api [picotls, vpp]",
2214 .function = quic_plugin_crypto_command_fn,
2216 VLIB_PLUGIN_REGISTER () =
2218 .version = VPP_BUILD_VER,
2219 .description = "Quic transport protocol",
2224 * fd.io coding-style-patch-verification: ON
2227 * eval: (c-set-style "gnu")