#include <vnet/session/session.h>
#include <vlib/unix/plugin.h>
#include <vpp/app/version.h>
-#include <openssl/pem.h>
#include <vppinfra/lock.h>
#include <quic/quic.h>
+#include <quic/certs.h>
+#include <quic/error.h>
-#include <quicly/streambuf.h>
-#include <picotls/openssl.h>
-#include <picotls/pembase64.h>
+#include <quicly/constants.h>
+#include <quicly/defaults.h>
+#include <picotls.h>
-static quic_main_t quic_main;
+#include <quic/quic_crypto.h>
+extern quicly_crypto_engine_t quic_crypto_engine;
+
+static char *quic_error_strings[] = {
+#define quic_error(n,s) s,
+#include <quic/quic_error.def>
+#undef quic_error
+};
+
+#define DEFAULT_MAX_PACKETS_PER_KEY 16777216
+
+quic_main_t quic_main;
static void quic_update_timer (quic_ctx_t * ctx);
-static int64_t quic_get_time (quicly_now_cb * self);
-static void quic_connection_closed (u32 conn_index);
-static void quic_disconnect (u32 ctx_index, u32 thread_index);
+static void quic_check_quic_session_connected (quic_ctx_t * ctx);
+static int quic_reset_connection (u64 udp_session_handle,
+ quic_rx_packet_ctx_t * pctx);
+static void quic_proto_on_close (u32 ctx_index, u32 thread_index);
+
+static quicly_stream_open_t on_stream_open;
+static quicly_closed_by_peer_t on_closed_by_peer;
+static quicly_now_t quicly_vpp_now_cb;
+
+/* Crypto contexts */
+
+static inline void
+quic_crypto_context_make_key_from_ctx (clib_bihash_kv_24_8_t * kv,
+ quic_ctx_t * ctx)
+{
+ application_t *app = application_get (ctx->parent_app_id);
+ kv->key[0] = ((u64) ctx->ckpair_index) << 32 | (u64) ctx->crypto_engine;
+ kv->key[1] = app->sm_properties.rx_fifo_size - 1;
+ kv->key[2] = app->sm_properties.tx_fifo_size - 1;
+}
-#define QUIC_INT_MAX 0x3FFFFFFFFFFFFFFF
+static inline void
+quic_crypto_context_make_key_from_crctx (clib_bihash_kv_24_8_t * kv,
+ crypto_context_t * crctx)
+{
+ quic_crypto_context_data_t *data =
+ (quic_crypto_context_data_t *) crctx->data;
+ kv->key[0] = ((u64) crctx->ckpair_index) << 32 | (u64) crctx->crypto_engine;
+ kv->key[1] = data->quicly_ctx.transport_params.max_stream_data.bidi_local;
+ kv->key[2] = data->quicly_ctx.transport_params.max_stream_data.bidi_remote;
+}
-u32
-quic_ctx_half_open_alloc (void)
+static void
+quic_crypto_context_free_if_needed (crypto_context_t * crctx, u8 thread_index)
{
quic_main_t *qm = &quic_main;
- u8 will_expand = 0;
- quic_ctx_t *ctx;
- u32 ctx_index;
+ clib_bihash_kv_24_8_t kv;
+ if (crctx->n_subscribers)
+ return;
+ quic_crypto_context_make_key_from_crctx (&kv, crctx);
+ clib_bihash_add_del_24_8 (&qm->wrk_ctx[thread_index].crypto_context_hash,
+ &kv, 0 /* is_add */ );
+ clib_mem_free (crctx->data);
+ pool_put (qm->wrk_ctx[thread_index].crypto_ctx_pool, crctx);
+}
+
+static quicly_datagram_t *
+quic_alloc_packet (quicly_packet_allocator_t * self, size_t payloadsize)
+{
+ quicly_datagram_t *packet;
+ if ((packet =
+ clib_mem_alloc (sizeof (*packet) + payloadsize +
+ sizeof (quic_encrypt_cb_ctx))) == NULL)
+ return NULL;
+ packet->data.base =
+ (uint8_t *) packet + sizeof (*packet) + sizeof (quic_encrypt_cb_ctx);
+ quic_encrypt_cb_ctx *encrypt_cb_ctx =
+ (quic_encrypt_cb_ctx *) ((uint8_t *) packet + sizeof (*packet));
+
+ clib_memset (encrypt_cb_ctx, 0, sizeof (*encrypt_cb_ctx));
+ return packet;
+}
+
+static void
+quic_free_packet (quicly_packet_allocator_t * self,
+ quicly_datagram_t * packet)
+{
+ clib_mem_free (packet);
+}
- pool_get_aligned_will_expand (qm->half_open_ctx_pool, will_expand, 0);
- if (PREDICT_FALSE (will_expand && vlib_num_workers ()))
+quicly_packet_allocator_t quic_packet_allocator =
+ { quic_alloc_packet, quic_free_packet };
+
+static int
+quic_app_cert_key_pair_delete_callback (app_cert_key_pair_t * ckpair)
+{
+ quic_main_t *qm = &quic_main;
+ crypto_context_t *crctx;
+ clib_bihash_kv_24_8_t kv;
+ vlib_thread_main_t *vtm = vlib_get_thread_main ();
+ int num_threads = 1 /* main thread */ + vtm->n_threads;
+ int i;
+
+ for (i = 0; i < num_threads; i++)
{
- clib_rwlock_writer_lock (&qm->half_open_rwlock);
- pool_get (qm->half_open_ctx_pool, ctx);
- ctx_index = ctx - qm->half_open_ctx_pool;
- clib_rwlock_writer_unlock (&qm->half_open_rwlock);
+ /* *INDENT-OFF* */
+ pool_foreach (crctx, qm->wrk_ctx[i].crypto_ctx_pool, ({
+ if (crctx->ckpair_index == ckpair->cert_key_index)
+ {
+ quic_crypto_context_make_key_from_crctx (&kv, crctx);
+ clib_bihash_add_del_24_8 (&qm->wrk_ctx[i].crypto_context_hash, &kv, 0 /* is_add */ );
+ }
+ }));
+ /* *INDENT-ON* */
}
- else
+ return 0;
+}
+
+static crypto_context_t *
+quic_crypto_context_alloc (u8 thread_index)
+{
+ quic_main_t *qm = &quic_main;
+ crypto_context_t *crctx;
+ u32 idx;
+
+ pool_get (qm->wrk_ctx[thread_index].crypto_ctx_pool, crctx);
+ clib_memset (crctx, 0, sizeof (*crctx));
+ idx = (crctx - qm->wrk_ctx[thread_index].crypto_ctx_pool);
+ crctx->ctx_index = ((u32) thread_index) << 24 | idx;
+
+ return crctx;
+}
+
+static crypto_context_t *
+quic_crypto_context_get (u32 cr_index, u32 thread_index)
+{
+ quic_main_t *qm = &quic_main;
+ ASSERT (cr_index >> 24 == thread_index);
+ return pool_elt_at_index (qm->wrk_ctx[thread_index].crypto_ctx_pool,
+ cr_index & 0x00ffffff);
+}
+
+static clib_error_t *
+quic_list_crypto_context_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ quic_main_t *qm = &quic_main;
+ crypto_context_t *crctx;
+ vlib_thread_main_t *vtm = vlib_get_thread_main ();
+ int i, num_threads = 1 /* main thread */ + vtm->n_threads;
+ for (i = 0; i < num_threads; i++)
{
- /* reader lock assumption: only main thread will call pool_get */
- clib_rwlock_reader_lock (&qm->half_open_rwlock);
- pool_get (qm->half_open_ctx_pool, ctx);
- ctx_index = ctx - qm->half_open_ctx_pool;
- clib_rwlock_reader_unlock (&qm->half_open_rwlock);
+ /* *INDENT-OFF* */
+ pool_foreach (crctx, qm->wrk_ctx[i].crypto_ctx_pool, ({
+ vlib_cli_output (vm, "[%d][Q]%U", i, format_crypto_context, crctx);
+ }));
+ /* *INDENT-ON* */
}
- memset (ctx, 0, sizeof (*ctx));
- return ctx_index;
+ return 0;
}
-void
-quic_ctx_half_open_free (u32 ho_index)
+static clib_error_t *
+quic_set_max_packets_per_key_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
quic_main_t *qm = &quic_main;
- clib_rwlock_writer_lock (&qm->half_open_rwlock);
- pool_put_index (qm->half_open_ctx_pool, ho_index);
- clib_rwlock_writer_unlock (&qm->half_open_rwlock);
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u64 tmp;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U", unformat_memory_size, &tmp))
+ {
+ qm->max_packets_per_key = tmp;
+ }
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ }
+
+ return 0;
}
-quic_ctx_t *
-quic_ctx_half_open_get (u32 ctx_index)
+static void
+quic_release_crypto_context (u32 crypto_context_index, u8 thread_index)
{
- quic_main_t *qm = &quic_main;
- clib_rwlock_reader_lock (&qm->half_open_rwlock);
- return pool_elt_at_index (qm->half_open_ctx_pool, ctx_index);
+ crypto_context_t *crctx;
+ crctx = quic_crypto_context_get (crypto_context_index, thread_index);
+ crctx->n_subscribers--;
+ quic_crypto_context_free_if_needed (crctx, thread_index);
}
-void
-quic_ctx_half_open_reader_unlock ()
+static int
+quic_init_crypto_context (crypto_context_t * crctx, quic_ctx_t * ctx)
{
- clib_rwlock_reader_unlock (&quic_main.half_open_rwlock);
+ quic_main_t *qm = &quic_main;
+ quicly_context_t *quicly_ctx;
+ ptls_iovec_t key_vec;
+ app_cert_key_pair_t *ckpair;
+ application_t *app;
+ quic_crypto_context_data_t *data;
+ ptls_context_t *ptls_ctx;
+
+ QUIC_DBG (2, "Init quic crctx %d thread %d", crctx->ctx_index,
+ ctx->c_thread_index);
+
+ data = clib_mem_alloc (sizeof (*data));
+ /* picotls depends on data being zeroed */
+ clib_memset (data, 0, sizeof (*data));
+ crctx->data = (void *) data;
+ quicly_ctx = &data->quicly_ctx;
+ ptls_ctx = &data->ptls_ctx;
+
+ ptls_ctx->random_bytes = ptls_openssl_random_bytes;
+ ptls_ctx->get_time = &ptls_get_time;
+ ptls_ctx->key_exchanges = ptls_openssl_key_exchanges;
+ ptls_ctx->cipher_suites = qm->quic_ciphers[ctx->crypto_engine];
+ ptls_ctx->certificates.list = NULL;
+ ptls_ctx->certificates.count = 0;
+ ptls_ctx->esni = NULL;
+ ptls_ctx->on_client_hello = NULL;
+ ptls_ctx->emit_certificate = NULL;
+ ptls_ctx->sign_certificate = NULL;
+ ptls_ctx->verify_certificate = NULL;
+ ptls_ctx->ticket_lifetime = 86400;
+ ptls_ctx->max_early_data_size = 8192;
+ ptls_ctx->hkdf_label_prefix__obsolete = NULL;
+ ptls_ctx->require_dhe_on_psk = 1;
+ ptls_ctx->encrypt_ticket = &qm->session_cache.super;
+ clib_memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t));
+
+ quicly_ctx->max_packet_size = QUIC_MAX_PACKET_SIZE;
+ quicly_ctx->max_packets_per_key = qm->max_packets_per_key;
+ quicly_ctx->tls = ptls_ctx;
+ quicly_ctx->stream_open = &on_stream_open;
+ quicly_ctx->closed_by_peer = &on_closed_by_peer;
+ quicly_ctx->now = &quicly_vpp_now_cb;
+ quicly_amend_ptls_context (quicly_ctx->tls);
+
+ quicly_ctx->packet_allocator = &quic_packet_allocator;
+ quicly_ctx->crypto_engine = &quic_crypto_engine;
+ quicly_ctx->transport_params.max_data = QUIC_INT_MAX;
+ quicly_ctx->transport_params.max_streams_uni = (uint64_t) 1 << 60;
+ quicly_ctx->transport_params.max_streams_bidi = (uint64_t) 1 << 60;
+ quicly_ctx->transport_params.max_idle_timeout = qm->connection_timeout;
+
+ app = application_get (ctx->parent_app_id);
+ quicly_ctx->transport_params.max_stream_data.bidi_local =
+ app->sm_properties.rx_fifo_size - 1;
+ quicly_ctx->transport_params.max_stream_data.bidi_remote =
+ app->sm_properties.tx_fifo_size - 1;
+ quicly_ctx->transport_params.max_stream_data.uni = QUIC_INT_MAX;
+
+ if (!app->quic_iv_set)
+ {
+ ptls_openssl_random_bytes (app->quic_iv, QUIC_IV_LEN - 1);
+ app->quic_iv[QUIC_IV_LEN - 1] = 0;
+ app->quic_iv_set = 1;
+ }
+
+ clib_memcpy (data->cid_key, app->quic_iv, QUIC_IV_LEN);
+ key_vec = ptls_iovec_init (data->cid_key, QUIC_IV_LEN);
+ quicly_ctx->cid_encryptor =
+ quicly_new_default_cid_encryptor (&ptls_openssl_bfecb,
+ &ptls_openssl_aes128ecb,
+ &ptls_openssl_sha256, key_vec);
+
+ ckpair = app_cert_key_pair_get_if_valid (crctx->ckpair_index);
+ if (!ckpair || !ckpair->key || !ckpair->cert)
+ {
+ QUIC_DBG (1, "Wrong ckpair id %d\n", crctx->ckpair_index);
+ return -1;
+ }
+ if (load_bio_private_key (quicly_ctx->tls, (char *) ckpair->key))
+ {
+ QUIC_DBG (1, "failed to read private key from app configuration\n");
+ return -1;
+ }
+ if (load_bio_certificate_chain (quicly_ctx->tls, (char *) ckpair->cert))
+ {
+ QUIC_DBG (1, "failed to load certificate\n");
+ return -1;
+ }
+ return 0;
+
}
-u32
-quic_ctx_half_open_index (quic_ctx_t * ctx)
+static int
+quic_acquire_crypto_context (quic_ctx_t * ctx)
{
- return (ctx - quic_main.half_open_ctx_pool);
+ quic_main_t *qm = &quic_main;
+ crypto_context_t *crctx;
+ clib_bihash_kv_24_8_t kv;
+
+ if (ctx->crypto_engine == CRYPTO_ENGINE_NONE)
+ {
+ QUIC_DBG (2, "No crypto engine specified, using %d",
+ qm->default_crypto_engine);
+ ctx->crypto_engine = qm->default_crypto_engine;
+ }
+ if (!clib_bitmap_get (qm->available_crypto_engines, ctx->crypto_engine))
+ {
+ QUIC_DBG (1, "Quic does not support crypto engine %d",
+ ctx->crypto_engine);
+ return VNET_API_ERROR_MISSING_CERT_KEY;
+ }
+
+ /* Check for exisiting crypto ctx */
+ quic_crypto_context_make_key_from_ctx (&kv, ctx);
+ if (clib_bihash_search_24_8
+ (&qm->wrk_ctx[ctx->c_thread_index].crypto_context_hash, &kv, &kv) == 0)
+ {
+ crctx = quic_crypto_context_get (kv.value, ctx->c_thread_index);
+ QUIC_DBG (2, "Found exisiting crypto context %d", kv.value);
+ ctx->crypto_context_index = kv.value;
+ crctx->n_subscribers++;
+ return 0;
+ }
+
+ crctx = quic_crypto_context_alloc (ctx->c_thread_index);
+ ctx->crypto_context_index = crctx->ctx_index;
+ kv.value = crctx->ctx_index;
+ crctx->crypto_engine = ctx->crypto_engine;
+ crctx->ckpair_index = ctx->ckpair_index;
+ if (quic_init_crypto_context (crctx, ctx))
+ goto error;
+ if (vnet_app_add_cert_key_interest (ctx->ckpair_index, qm->app_index))
+ goto error;
+ crctx->n_subscribers++;
+ clib_bihash_add_del_24_8 (&qm->
+ wrk_ctx[ctx->c_thread_index].crypto_context_hash,
+ &kv, 1 /* is_add */ );
+ return 0;
+
+error:
+ quic_crypto_context_free_if_needed (crctx, ctx->c_thread_index);
+ return VNET_API_ERROR_MISSING_CERT_KEY;
}
-u32
-quic_ctx_alloc ()
+/* Helper functions */
+
+static u32
+quic_ctx_alloc (u32 thread_index)
{
- u8 thread_index = vlib_get_thread_index ();
quic_main_t *qm = &quic_main;
quic_ctx_t *ctx;
pool_get (qm->ctx_pool[thread_index], ctx);
- memset (ctx, 0, sizeof (quic_ctx_t));
+ clib_memset (ctx, 0, sizeof (quic_ctx_t));
ctx->c_thread_index = thread_index;
+ ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
+ QUIC_DBG (3, "Allocated quic_ctx %u on thread %u",
+ ctx - qm->ctx_pool[thread_index], thread_index);
return ctx - qm->ctx_pool[thread_index];
}
static void
quic_ctx_free (quic_ctx_t * ctx)
{
- QUIC_DBG (2, "Free ctx %u", ctx->c_c_index);
+ QUIC_DBG (2, "Free ctx %u %x", ctx->c_thread_index, ctx->c_c_index);
u32 thread_index = ctx->c_thread_index;
+ QUIC_ASSERT (ctx->timer_handle == QUIC_TIMER_HANDLE_INVALID);
if (CLIB_DEBUG)
- memset (ctx, 0xfb, sizeof (*ctx));
+ clib_memset (ctx, 0xfb, sizeof (*ctx));
pool_put (quic_main.ctx_pool[thread_index], ctx);
}
static quic_ctx_t *
-quic_ctx_get (u32 ctx_index)
+quic_ctx_get (u32 ctx_index, u32 thread_index)
{
- return pool_elt_at_index (quic_main.ctx_pool[vlib_get_thread_index ()],
- ctx_index);
+ return pool_elt_at_index (quic_main.ctx_pool[thread_index], ctx_index);
}
static quic_ctx_t *
-quic_ctx_get_w_thread (u32 ctx_index, u8 thread_index)
+quic_ctx_get_if_valid (u32 ctx_index, u32 thread_index)
{
+ if (pool_is_free_index (quic_main.ctx_pool[thread_index], ctx_index))
+ return 0;
return pool_elt_at_index (quic_main.ctx_pool[thread_index], ctx_index);
}
+quic_ctx_t *
+quic_get_conn_ctx (quicly_conn_t * conn)
+{
+ u64 conn_data;
+ conn_data = (u64) * quicly_get_data (conn);
+ return quic_ctx_get (conn_data & UINT32_MAX, conn_data >> 32);
+}
+
+static void
+quic_store_conn_ctx (quicly_conn_t * conn, quic_ctx_t * ctx)
+{
+ *quicly_get_data (conn) =
+ (void *) (((u64) ctx->c_thread_index) << 32 | (u64) ctx->c_c_index);
+}
+
+static inline int
+quic_ctx_is_stream (quic_ctx_t * ctx)
+{
+ return (ctx->flags & QUIC_F_IS_STREAM);
+}
+
+static inline int
+quic_ctx_is_listener (quic_ctx_t * ctx)
+{
+ return (ctx->flags & QUIC_F_IS_LISTENER);
+}
+
+static inline int
+quic_ctx_is_conn (quic_ctx_t * ctx)
+{
+ return !(quic_ctx_is_listener (ctx) || quic_ctx_is_stream (ctx));
+}
+
+static session_t *
+get_stream_session_from_stream (quicly_stream_t * stream)
+{
+ quic_ctx_t *ctx;
+ quic_stream_data_t *stream_data;
+
+ stream_data = (quic_stream_data_t *) stream->data;
+ ctx = quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
+ return session_get (ctx->c_s_index, stream_data->thread_index);
+}
+
+static inline void
+quic_make_connection_key (clib_bihash_kv_16_8_t * kv,
+ const quicly_cid_plaintext_t * id)
+{
+ kv->key[0] = ((u64) id->master_id) << 32 | (u64) id->thread_id;
+ kv->key[1] = id->node_id;
+}
+
+static int
+quic_sendable_packet_count (session_t * udp_session)
+{
+ u32 max_enqueue;
+ u32 packet_size = QUIC_MAX_PACKET_SIZE + SESSION_CONN_HDR_LEN;
+ max_enqueue = svm_fifo_max_enqueue (udp_session->tx_fifo);
+ return clib_min (max_enqueue / packet_size, QUIC_SEND_PACKET_VEC_SIZE);
+}
+
+static quicly_context_t *
+quic_get_quicly_ctx_from_ctx (quic_ctx_t * ctx)
+{
+ crypto_context_t *crctx =
+ quic_crypto_context_get (ctx->crypto_context_index, ctx->c_thread_index);
+ quic_crypto_context_data_t *data =
+ (quic_crypto_context_data_t *) crctx->data;
+ return &data->quicly_ctx;
+}
+
+static quicly_context_t *
+quic_get_quicly_ctx_from_udp (u64 udp_session_handle)
+{
+ session_t *udp_session = session_get_from_handle (udp_session_handle);
+ quic_ctx_t *ctx =
+ quic_ctx_get (udp_session->opaque, udp_session->thread_index);
+ return quic_get_quicly_ctx_from_ctx (ctx);
+}
+
+static inline void
+quic_set_udp_tx_evt (session_t * udp_session)
+{
+ int rv = 0;
+ if (svm_fifo_set_event (udp_session->tx_fifo))
+ rv = session_send_io_evt_to_thread (udp_session->tx_fifo,
+ SESSION_IO_EVT_TX);
+ if (PREDICT_FALSE (rv))
+ clib_warning ("Event enqueue errored %d", rv);
+}
+
+static inline void
+quic_stop_ctx_timer (quic_ctx_t * ctx)
+{
+ tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
+ if (ctx->timer_handle == QUIC_TIMER_HANDLE_INVALID)
+ return;
+ tw = &quic_main.wrk_ctx[ctx->c_thread_index].timer_wheel;
+ tw_timer_stop_1t_3w_1024sl_ov (tw, ctx->timer_handle);
+ ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
+ QUIC_DBG (4, "Stopping timer for ctx %u", ctx->c_c_index);
+}
+
+/* QUIC protocol actions */
+
+static void
+quic_ack_rx_data (session_t * stream_session)
+{
+ u32 max_deq;
+ quic_ctx_t *sctx;
+ svm_fifo_t *f;
+ quicly_stream_t *stream;
+ quic_stream_data_t *stream_data;
+
+ sctx = quic_ctx_get (stream_session->connection_index,
+ stream_session->thread_index);
+ QUIC_ASSERT (quic_ctx_is_stream (sctx));
+ stream = sctx->stream;
+ stream_data = (quic_stream_data_t *) stream->data;
+
+ f = stream_session->rx_fifo;
+ max_deq = svm_fifo_max_dequeue (f);
+
+ QUIC_ASSERT (stream_data->app_rx_data_len >= max_deq);
+ quicly_stream_sync_recvbuf (stream, stream_data->app_rx_data_len - max_deq);
+ QUIC_DBG (3, "Acking %u bytes", stream_data->app_rx_data_len - max_deq);
+ stream_data->app_rx_data_len = max_deq;
+}
+
static void
quic_disconnect_transport (quic_ctx_t * ctx)
{
- QUIC_DBG (2, "Called quic_disconnect_transport");
+ QUIC_DBG (2, "Disconnecting transport 0x%lx", ctx->udp_session_handle);
vnet_disconnect_args_t a = {
- .handle = ctx->c_quic_ctx_id.quic_session,
+ .handle = ctx->udp_session_handle,
.app_index = quic_main.app_index,
};
if (vnet_disconnect_session (&a))
- clib_warning ("UDP session disconnect errored");
+ clib_warning ("UDP session 0x%lx disconnect errored",
+ ctx->udp_session_handle);
+}
+
+static void
+quic_connection_delete (quic_ctx_t * ctx)
+{
+ clib_bihash_kv_16_8_t kv;
+ quicly_conn_t *conn;
+
+ QUIC_DBG (2, "Deleting connection %u", ctx->c_c_index);
+
+ QUIC_ASSERT (!quic_ctx_is_stream (ctx));
+ quic_stop_ctx_timer (ctx);
+
+ /* Delete the connection from the connection map */
+ conn = ctx->conn;
+ ctx->conn = NULL;
+ quic_make_connection_key (&kv, quicly_get_master_id (conn));
+ QUIC_DBG (2, "Deleting conn with id %lu %lu from map", kv.key[0],
+ kv.key[1]);
+ clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 0 /* is_add */ );
+
+ quic_disconnect_transport (ctx);
+
+ if (ctx->conn)
+ quicly_free (ctx->conn);
+ session_transport_delete_notify (&ctx->connection);
+}
+
+void
+quic_increment_counter (u8 evt, u8 val)
+{
+ vlib_main_t *vm = vlib_get_main ();
+ vlib_node_increment_counter (vm, quic_input_node.index, evt, val);
+}
+
+/**
+ * Called when quicly return an error
+ * This function interacts tightly with quic_proto_on_close
+ */
+static void
+quic_connection_closed (quic_ctx_t * ctx)
+{
+ QUIC_DBG (2, "QUIC connection %u/%u closed", ctx->c_thread_index,
+ ctx->c_c_index);
+
+ /* TODO if connection is not established, just delete the session? */
+ /* Actually should send connect or accept error */
+
+ switch (ctx->conn_state)
+ {
+ case QUIC_CONN_STATE_READY:
+ /* Error on an opened connection (timeout...)
+ This puts the session in closing state, we should receive a notification
+ when the app has closed its session */
+ session_transport_reset_notify (&ctx->connection);
+ /* This ensures we delete the connection when the app confirms the close */
+ ctx->conn_state = QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED;
+ break;
+ case QUIC_CONN_STATE_PASSIVE_CLOSING:
+ ctx->conn_state = QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED;
+ /* quic_proto_on_close will eventually be called when the app confirms the close
+ , we delete the connection at that point */
+ break;
+ case QUIC_CONN_STATE_PASSIVE_CLOSING_APP_CLOSED:
+ /* App already confirmed close, we can delete the connection */
+ quic_connection_delete (ctx);
+ break;
+ case QUIC_CONN_STATE_OPENED:
+ case QUIC_CONN_STATE_HANDSHAKE:
+ case QUIC_CONN_STATE_ACTIVE_CLOSING:
+ quic_connection_delete (ctx);
+ break;
+ default:
+ QUIC_DBG (0, "BUG %d", ctx->conn_state);
+ break;
+ }
}
static int
-quic_send_datagram (session_t * session, quicly_datagram_t * packet)
+quic_send_datagram (session_t * udp_session, quicly_datagram_t * packet)
{
- QUIC_DBG (2, "Called quic_send_datagram at %ld", quic_get_time (NULL));
u32 max_enqueue;
session_dgram_hdr_t hdr;
- int rv;
- u32 len;
+ u32 len, ret;
svm_fifo_t *f;
transport_connection_t *tc;
len = packet->data.len;
- f = session->tx_fifo;
- tc = session_get_transport (session);
-
+ f = udp_session->tx_fifo;
+ tc = session_get_transport (udp_session);
max_enqueue = svm_fifo_max_enqueue (f);
- if (max_enqueue <= sizeof (session_dgram_hdr_t))
- return 1;
-
- max_enqueue -= sizeof (session_dgram_hdr_t);
-
- if (max_enqueue < len)
- return 1;
+ if (max_enqueue < SESSION_CONN_HDR_LEN + len)
+ {
+ QUIC_ERR ("Too much data to send, max_enqueue %u, len %u",
+ max_enqueue, len + SESSION_CONN_HDR_LEN);
+ return QUIC_ERROR_FULL_FIFO;
+ }
- // Build packet header for fifo
+ /* Build packet header for fifo */
hdr.data_length = len;
hdr.data_offset = 0;
hdr.is_ip4 = tc->is_ip4;
clib_memcpy (&hdr.lcl_ip, &tc->lcl_ip, sizeof (ip46_address_t));
hdr.lcl_port = tc->lcl_port;
- // Read dest address from quicly-provided sockaddr
+ /* Read dest address from quicly-provided sockaddr */
if (hdr.is_ip4)
{
- ASSERT (packet->sa.sa_family == AF_INET);
- struct sockaddr_in *sa4 = (struct sockaddr_in *) &packet->sa;
+ QUIC_ASSERT (packet->dest.sa.sa_family == AF_INET);
+ struct sockaddr_in *sa4 = (struct sockaddr_in *) &packet->dest.sa;
hdr.rmt_port = sa4->sin_port;
hdr.rmt_ip.ip4.as_u32 = sa4->sin_addr.s_addr;
}
else
{
- ASSERT (packet->sa.sa_family == AF_INET6);
- struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *) &packet->sa;
+ QUIC_ASSERT (packet->dest.sa.sa_family == AF_INET6);
+ struct sockaddr_in6 *sa6 = (struct sockaddr_in6 *) &packet->dest.sa;
hdr.rmt_port = sa6->sin6_port;
clib_memcpy (&hdr.rmt_ip.ip6, &sa6->sin6_addr, 16);
}
- rv = svm_fifo_enqueue_nowait (f, sizeof (hdr), (u8 *) & hdr);
- ASSERT (rv == sizeof (hdr));
- if (svm_fifo_enqueue_nowait (f, len, packet->data.base) != len)
- return 1;
+ ret = svm_fifo_enqueue (f, sizeof (hdr), (u8 *) & hdr);
+ if (ret != sizeof (hdr))
+ {
+ QUIC_ERR ("Not enough space to enqueue header");
+ return QUIC_ERROR_FULL_FIFO;
+ }
+ ret = svm_fifo_enqueue (f, len, packet->data.base);
+ if (ret != len)
+ {
+ QUIC_ERR ("Not enough space to enqueue payload");
+ return QUIC_ERROR_FULL_FIFO;
+ }
+
+ quic_increment_counter (QUIC_ERROR_TX_PACKETS, 1);
+
return 0;
}
static int
quic_send_packets (quic_ctx_t * ctx)
{
- //QUIC_DBG (2, "Called quic_send_packets");
- quicly_datagram_t *packets[16];
- session_t *quic_session;
+ quic_main_t *qm = &quic_main;
+ quicly_datagram_t *packets[QUIC_SEND_PACKET_VEC_SIZE];
+ session_t *udp_session;
quicly_conn_t *conn;
- size_t num_packets, i;
- int ret;
+ size_t num_packets, i, max_packets;
+ quicly_packet_allocator_t *pa;
+ int err = 0;
+ u32 thread_index = vlib_get_thread_index ();
+
+ /* We have sctx, get qctx */
+ if (quic_ctx_is_stream (ctx))
+ ctx = quic_ctx_get (ctx->quic_connection_ctx_id, ctx->c_thread_index);
- quic_session = session_get_from_handle (ctx->c_quic_ctx_id.quic_session);
- conn = ctx->c_quic_ctx_id.conn;
+ QUIC_ASSERT (!quic_ctx_is_stream (ctx));
+
+ udp_session = session_get_from_handle_if_valid (ctx->udp_session_handle);
+ if (!udp_session)
+ goto quicly_error;
+
+ conn = ctx->conn;
if (!conn)
return 0;
+ /* TODO : quicly can assert it can send min_packets up to 2 */
+ if (quic_sendable_packet_count (udp_session) < 2)
+ goto stop_sending;
+
+ pa = quic_get_quicly_ctx_from_ctx (ctx)->packet_allocator;
do
{
- num_packets = sizeof (packets) / sizeof (packets[0]);
- if ((ret = quicly_send (conn, packets, &num_packets)) == 0)
- {
- for (i = 0; i != num_packets; ++i)
- {
- if (quic_send_datagram (quic_session, packets[i]))
- {
- QUIC_DBG (2, "quic_send_datagram failed");
- goto stop_sending;
- }
- ret = 0;
- quicly_default_free_packet_cb.cb
- (&quicly_default_free_packet_cb, packets[i]);
- }
- }
- else
+ max_packets = quic_sendable_packet_count (udp_session);
+ if (max_packets < 2)
+ break;
+ num_packets = max_packets;
+ if ((err = quicly_send (conn, packets, &num_packets)))
+ goto quicly_error;
+
+ quic_crypto_batch_tx_packets (&qm->wrk_ctx
+ [thread_index].crypto_context_batch);
+
+ for (i = 0; i != num_packets; ++i)
{
- QUIC_DBG (2, "quicly_send returned %d, closing connection\n", ret);
- return ret;
+ quic_crypto_finalize_send_packet (packets[i]);
+ if ((err = quic_send_datagram (udp_session, packets[i])))
+ goto quicly_error;
+
+ pa->free_packet (pa, packets[i]);
}
}
- while (ret == 0 && num_packets == sizeof (packets) / sizeof (packets[0]));
+ while (num_packets > 0 && num_packets == max_packets);
stop_sending:
- if (svm_fifo_set_event (quic_session->tx_fifo))
- session_send_io_evt_to_thread (quic_session->tx_fifo, FIFO_EVENT_APP_TX);
+ quic_set_udp_tx_evt (udp_session);
+ QUIC_DBG (3, "%u[TX] %u[RX]", svm_fifo_max_dequeue (udp_session->tx_fifo),
+ svm_fifo_max_dequeue (udp_session->rx_fifo));
quic_update_timer (ctx);
return 0;
+
+quicly_error:
+ if (err && err != QUICLY_ERROR_PACKET_IGNORED
+ && err != QUICLY_ERROR_FREE_CONNECTION)
+ clib_warning ("Quic error '%U'.", quic_format_err, err);
+ quic_connection_closed (ctx);
+ return 1;
}
-/*****************************************************************************
- * START QUICLY CALLBACKS
- * Called from QUIC lib
- *****************************************************************************/
+/* Quicly callbacks */
+
+static void
+quic_on_stream_destroy (quicly_stream_t * stream, int err)
+{
+ quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
+ quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id,
+ stream_data->thread_index);
+ session_t *stream_session = session_get (sctx->c_s_index,
+ sctx->c_thread_index);
+ QUIC_DBG (2, "DESTROYED_STREAM: session 0x%lx (%U)",
+ session_handle (stream_session), quic_format_err, err);
+
+ stream_session->session_state = SESSION_STATE_CLOSED;
+ session_transport_delete_notify (&sctx->connection);
+
+ quic_increment_counter (QUIC_ERROR_CLOSED_STREAM, 1);
+ quic_ctx_free (sctx);
+ clib_mem_free (stream->data);
+}
static int
-quic_on_stop_sending (quicly_stream_t * stream, int error_code)
+quic_on_stop_sending (quicly_stream_t * stream, int err)
{
- QUIC_DBG (2, "received STOP_SENDING: %d", error_code);
+#if QUIC_DEBUG >= 2
+ quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
+ quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id,
+ stream_data->thread_index);
+ session_t *stream_session = session_get (sctx->c_s_index,
+ sctx->c_thread_index);
+ clib_warning ("(NOT IMPLEMENTD) STOP_SENDING: session 0x%lx (%U)",
+ session_handle (stream_session), quic_format_err, err);
+#endif
+ /* TODO : handle STOP_SENDING */
return 0;
}
static int
-quic_on_receive_reset (quicly_stream_t * stream, int error_code)
+quic_on_receive_reset (quicly_stream_t * stream, int err)
{
- QUIC_DBG (2, "received RESET_STREAM: %d", error_code);
+ quic_stream_data_t *stream_data = (quic_stream_data_t *) stream->data;
+ quic_ctx_t *sctx = quic_ctx_get (stream_data->ctx_id,
+ stream_data->thread_index);
+#if QUIC_DEBUG >= 2
+ session_t *stream_session = session_get (sctx->c_s_index,
+ sctx->c_thread_index);
+ clib_warning ("RESET_STREAM: session 0x%lx (%U)",
+ session_handle (stream_session), quic_format_err, err);
+#endif
+ session_transport_closing_notify (&sctx->connection);
return 0;
}
quic_on_receive (quicly_stream_t * stream, size_t off, const void *src,
size_t len)
{
- QUIC_DBG (2, "received data: %lu bytes", len);
- u32 to_enqueue, ctx_id;
- quic_ctx_t *ctx;
- session_t *app_session;
- svm_fifo_t *rx_fifo;
+ QUIC_DBG (3, "received data: %lu bytes, offset %lu", len, off);
+ u32 max_enq, rlen, rv;
+ quic_ctx_t *sctx;
+ session_t *stream_session;
app_worker_t *app_wrk;
+ svm_fifo_t *f;
+ quic_stream_data_t *stream_data;
- ctx_id = (u64) * quicly_get_data (stream->conn);
- ctx = quic_ctx_get (ctx_id);
- app_session = session_get_from_handle (ctx->c_quic_ctx_id.app_session);
- rx_fifo = app_session->rx_fifo;
- to_enqueue = svm_fifo_max_enqueue (rx_fifo);
- if (to_enqueue > len)
- to_enqueue = len;
- // TODO what happens to the excess bytes?
-
- svm_fifo_enqueue_nowait (rx_fifo, to_enqueue, src);
-
- // Notify app
- app_wrk = app_worker_get_if_valid (app_session->app_wrk_index);
- if (PREDICT_TRUE (app_wrk != 0))
- app_worker_lock_and_send_event (app_wrk, app_session, SESSION_IO_EVT_RX);
- return 0;
-}
-
-static const quicly_stream_callbacks_t quic_stream_callbacks = {
- .on_destroy = quicly_streambuf_destroy,
- .on_send_shift = quicly_streambuf_egress_shift,
- .on_send_emit = quicly_streambuf_egress_emit,
- .on_send_stop = quic_on_stop_sending,
- .on_receive = quic_on_receive,
- .on_receive_reset = quic_on_receive_reset
-};
+ stream_data = (quic_stream_data_t *) stream->data;
+ sctx = quic_ctx_get (stream_data->ctx_id, stream_data->thread_index);
+ stream_session = session_get (sctx->c_s_index, stream_data->thread_index);
+ f = stream_session->rx_fifo;
-static int
-quic_on_stream_open (quicly_stream_open_cb * self, quicly_stream_t * stream)
-{
- QUIC_DBG (2, "on_stream_open called");
- int ret;
- if ((ret =
- quicly_streambuf_create (stream, sizeof (quicly_streambuf_t))) != 0)
+ max_enq = svm_fifo_max_enqueue_prod (f);
+ QUIC_DBG (3, "Enqueuing %u at off %u in %u space", len, off, max_enq);
+ /* Handle duplicate packet/chunk from quicly */
+ if (off < stream_data->app_rx_data_len)
{
- return ret;
+ QUIC_DBG (3, "Session [idx %u, app_wrk %u, thread %u, rx-fifo 0x%llx]: "
+ "DUPLICATE PACKET (max_enq %u, len %u, "
+ "app_rx_data_len %u, off %u, ToBeNQ %u)",
+ stream_session->session_index,
+ stream_session->app_wrk_index,
+ stream_session->thread_index, f,
+ max_enq, len, stream_data->app_rx_data_len, off,
+ off - stream_data->app_rx_data_len + len);
+ return 0;
+ }
+ if (PREDICT_FALSE ((off - stream_data->app_rx_data_len + len) > max_enq))
+ {
+ QUIC_ERR ("Session [idx %u, app_wrk %u, thread %u, rx-fifo 0x%llx]: "
+ "RX FIFO IS FULL (max_enq %u, len %u, "
+ "app_rx_data_len %u, off %u, ToBeNQ %u)",
+ stream_session->session_index,
+ stream_session->app_wrk_index,
+ stream_session->thread_index, f,
+ max_enq, len, stream_data->app_rx_data_len, off,
+ off - stream_data->app_rx_data_len + len);
+ return 1;
+ }
+ if (off == stream_data->app_rx_data_len)
+ {
+ /* Streams live on the same thread so (f, stream_data) should stay consistent */
+ rlen = svm_fifo_enqueue (f, len, (u8 *) src);
+ QUIC_DBG (3, "Session [idx %u, app_wrk %u, ti %u, rx-fifo 0x%llx]: "
+ "Enqueuing %u (rlen %u) at off %u in %u space, ",
+ stream_session->session_index,
+ stream_session->app_wrk_index,
+ stream_session->thread_index, f, len, rlen, off, max_enq);
+ stream_data->app_rx_data_len += rlen;
+ QUIC_ASSERT (rlen >= len);
+ app_wrk = app_worker_get_if_valid (stream_session->app_wrk_index);
+ if (PREDICT_TRUE (app_wrk != 0))
+ {
+ rv = app_worker_lock_and_send_event (app_wrk, stream_session,
+ SESSION_IO_EVT_RX);
+ if (rv)
+ QUIC_ERR ("Failed to ping app for RX");
+ }
+ quic_ack_rx_data (stream_session);
+ }
+ else
+ {
+ rlen = svm_fifo_enqueue_with_offset (f,
+ off - stream_data->app_rx_data_len,
+ len, (u8 *) src);
+ QUIC_ASSERT (rlen == 0);
}
- stream->callbacks = &quic_stream_callbacks;
return 0;
}
-static quicly_stream_open_cb on_stream_open = { &quic_on_stream_open };
-
-static void
-quic_on_conn_close (quicly_closed_by_peer_cb * self, quicly_conn_t * conn,
- int code, uint64_t frame_type,
- const char *reason, size_t reason_len)
+void
+quic_fifo_egress_shift (quicly_stream_t * stream, size_t delta)
{
- QUIC_DBG (2, "connection closed, reason: %s", reason);
- u32 ctx_index = (u64) * quicly_get_data (conn);
- quic_connection_closed (ctx_index);
-}
+ quic_stream_data_t *stream_data;
+ session_t *stream_session;
+ svm_fifo_t *f;
+ u32 rv;
-static quicly_closed_by_peer_cb on_closed_by_peer = { &quic_on_conn_close };
+ stream_data = (quic_stream_data_t *) stream->data;
+ stream_session = get_stream_session_from_stream (stream);
+ f = stream_session->tx_fifo;
+ QUIC_ASSERT (stream_data->app_tx_data_len >= delta);
+ stream_data->app_tx_data_len -= delta;
+ rv = svm_fifo_dequeue_drop (f, delta);
+ QUIC_ASSERT (rv == delta);
-/*****************************************************************************
- * END QUICLY CALLBACKS
- *****************************************************************************/
+ rv = quicly_stream_sync_sendbuf (stream, 0);
+ QUIC_ASSERT (!rv);
+}
-/* single-entry session cache */
-struct st_util_session_cache_t
+int
+quic_fifo_egress_emit (quicly_stream_t * stream, size_t off, void *dst,
+ size_t * len, int *wrote_all)
{
- ptls_encrypt_ticket_t super;
- uint8_t id[32];
- ptls_iovec_t data;
-};
-
-static int
-encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls,
- int is_encrypt, ptls_buffer_t * dst, ptls_iovec_t src)
-{
- struct st_util_session_cache_t *self = (void *) _self;
- int ret;
-
- if (is_encrypt)
- {
-
- /* replace the cached entry along with a newly generated session id */
- free (self->data.base);
- if ((self->data.base = malloc (src.len)) == NULL)
- return PTLS_ERROR_NO_MEMORY;
+ quic_stream_data_t *stream_data;
+ session_t *stream_session;
+ svm_fifo_t *f;
+ u32 deq_max;
- ptls_get_context (tls)->random_bytes (self->id, sizeof (self->id));
- memcpy (self->data.base, src.base, src.len);
- self->data.len = src.len;
+ stream_data = (quic_stream_data_t *) stream->data;
+ stream_session = get_stream_session_from_stream (stream);
+ f = stream_session->tx_fifo;
- /* store the session id in buffer */
- if ((ret = ptls_buffer_reserve (dst, sizeof (self->id))) != 0)
- return ret;
- memcpy (dst->base + dst->off, self->id, sizeof (self->id));
- dst->off += sizeof (self->id);
+ QUIC_DBG (3, "Emitting %u, offset %u", *len, off);
+ deq_max = svm_fifo_max_dequeue_cons (f);
+ QUIC_ASSERT (off <= deq_max);
+ if (off + *len < deq_max)
+ {
+ *wrote_all = 0;
}
else
{
+ *wrote_all = 1;
+ *len = deq_max - off;
+ }
+ QUIC_ASSERT (*len > 0);
- /* check if session id is the one stored in cache */
- if (src.len != sizeof (self->id))
- return PTLS_ERROR_SESSION_NOT_FOUND;
- if (memcmp (self->id, src.base, sizeof (self->id)) != 0)
- return PTLS_ERROR_SESSION_NOT_FOUND;
+ if (off + *len > stream_data->app_tx_data_len)
+ stream_data->app_tx_data_len = off + *len;
- /* return the cached value */
- if ((ret = ptls_buffer_reserve (dst, self->data.len)) != 0)
- return ret;
- memcpy (dst->base + dst->off, self->data.base, self->data.len);
- dst->off += self->data.len;
- }
+ svm_fifo_peek (f, off, *len, dst);
return 0;
}
-static struct st_util_session_cache_t sc = {
- .super = {
- .cb = encrypt_ticket_cb,
- },
-};
-
-/* *INDENT-OFF* */
-static ptls_context_t quic_tlsctx = {
- .random_bytes = ptls_openssl_random_bytes,
- .get_time = &ptls_get_time,
- .key_exchanges = ptls_openssl_key_exchanges,
- .cipher_suites = ptls_openssl_cipher_suites,
- .certificates = {
- .list = NULL,
- .count = 0
- },
- .esni = NULL,
- .on_client_hello = NULL,
- .emit_certificate = NULL,
- .sign_certificate = NULL,
- .verify_certificate = NULL,
- .ticket_lifetime = 86400,
- .max_early_data_size = 8192,
- .hkdf_label_prefix__obsolete = NULL,
- .require_dhe_on_psk = 1,
- .encrypt_ticket = &sc.super,
+static const quicly_stream_callbacks_t quic_stream_callbacks = {
+ .on_destroy = quic_on_stream_destroy,
+ .on_send_shift = quic_fifo_egress_shift,
+ .on_send_emit = quic_fifo_egress_emit,
+ .on_send_stop = quic_on_stop_sending,
+ .on_receive = quic_on_receive,
+ .on_receive_reset = quic_on_receive_reset
};
-/* *INDENT-ON* */
-
-static int
-ptls_compare_separator_line (const char *line, const char *begin_or_end,
- const char *label)
-{
- int ret = strncmp (line, "-----", 5);
- size_t text_index = 5;
-
- if (ret == 0)
- {
- size_t begin_or_end_length = strlen (begin_or_end);
- ret = strncmp (line + text_index, begin_or_end, begin_or_end_length);
- text_index += begin_or_end_length;
- }
-
- if (ret == 0)
- {
- ret = line[text_index] - ' ';
- text_index++;
- }
-
- if (ret == 0)
- {
- size_t label_length = strlen (label);
- ret = strncmp (line + text_index, label, label_length);
- text_index += label_length;
- }
-
- if (ret == 0)
- {
- ret = strncmp (line + text_index, "-----", 5);
- }
-
- return ret;
-}
static int
-ptls_get_bio_pem_object (BIO * bio, const char *label, ptls_buffer_t * buf)
+quic_on_stream_open (quicly_stream_open_t * self, quicly_stream_t * stream)
{
- int ret = PTLS_ERROR_PEM_LABEL_NOT_FOUND;
- char line[256];
- ptls_base64_decode_state_t state;
-
- /* Get the label on a line by itself */
- while (BIO_gets (bio, line, 256))
- {
- if (ptls_compare_separator_line (line, "BEGIN", label) == 0)
- {
- ret = 0;
- ptls_base64_decode_init (&state);
- break;
- }
- }
- /* Get the data in the buffer */
- while (ret == 0 && BIO_gets (bio, line, 256))
- {
- if (ptls_compare_separator_line (line, "END", label) == 0)
- {
- if (state.status == PTLS_BASE64_DECODE_DONE
- || (state.status == PTLS_BASE64_DECODE_IN_PROGRESS
- && state.nbc == 0))
- {
- ret = 0;
- }
- else
- {
- ret = PTLS_ERROR_INCORRECT_BASE64;
- }
- break;
- }
- else
- {
- ret = ptls_base64_decode (line, &state, buf);
- }
- }
-
- return ret;
-}
+ /* Return code for this function ends either
+ * - in quicly_receive : if not QUICLY_ERROR_PACKET_IGNORED, will close connection
+ * - in quicly_open_stream, returned directly
+ */
-int
-ptls_load_bio_pem_objects (BIO * bio, const char *label, ptls_iovec_t * list,
- size_t list_max, size_t * nb_objects)
-{
- int ret = 0;
- size_t count = 0;
+ session_t *stream_session, *quic_session;
+ quic_stream_data_t *stream_data;
+ app_worker_t *app_wrk;
+ quic_ctx_t *qctx, *sctx;
+ u32 sctx_id;
+ int rv;
- *nb_objects = 0;
+ QUIC_DBG (2, "on_stream_open called");
+ stream->data = clib_mem_alloc (sizeof (quic_stream_data_t));
+ stream->callbacks = &quic_stream_callbacks;
+ /* Notify accept on parent qsession, but only if this is not a locally
+ * initiated stream */
+ if (quicly_stream_is_self_initiated (stream))
+ return 0;
- if (ret == 0)
+ sctx_id = quic_ctx_alloc (vlib_get_thread_index ());
+ qctx = quic_get_conn_ctx (stream->conn);
+
+ /* Might need to signal that the connection is ready if the first thing the
+ * server does is open a stream */
+ quic_check_quic_session_connected (qctx);
+ /* ctx might be invalidated */
+ qctx = quic_get_conn_ctx (stream->conn);
+
+ stream_session = session_alloc (qctx->c_thread_index);
+ QUIC_DBG (2, "ACCEPTED stream_session 0x%lx ctx %u",
+ session_handle (stream_session), sctx_id);
+ sctx = quic_ctx_get (sctx_id, qctx->c_thread_index);
+ sctx->parent_app_wrk_id = qctx->parent_app_wrk_id;
+ sctx->parent_app_id = qctx->parent_app_id;
+ sctx->quic_connection_ctx_id = qctx->c_c_index;
+ sctx->c_c_index = sctx_id;
+ sctx->c_s_index = stream_session->session_index;
+ sctx->stream = stream;
+ sctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
+ sctx->flags |= QUIC_F_IS_STREAM;
+ if (quicly_stream_is_unidirectional (stream->stream_id))
+ stream_session->flags |= SESSION_F_UNIDIRECTIONAL;
+
+ stream_data = (quic_stream_data_t *) stream->data;
+ stream_data->ctx_id = sctx_id;
+ stream_data->thread_index = sctx->c_thread_index;
+ stream_data->app_rx_data_len = 0;
+ stream_data->app_tx_data_len = 0;
+
+ sctx->c_s_index = stream_session->session_index;
+ stream_session->session_state = SESSION_STATE_CREATED;
+ stream_session->app_wrk_index = sctx->parent_app_wrk_id;
+ stream_session->connection_index = sctx->c_c_index;
+ stream_session->session_type =
+ session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, qctx->udp_is_ip4);
+ quic_session = session_get (qctx->c_s_index, qctx->c_thread_index);
+ stream_session->listener_handle = listen_session_get_handle (quic_session);
+
+ app_wrk = app_worker_get (stream_session->app_wrk_index);
+ if ((rv = app_worker_init_connected (app_wrk, stream_session)))
{
- while (count < list_max)
- {
- ptls_buffer_t buf;
-
- ptls_buffer_init (&buf, "", 0);
-
- ret = ptls_get_bio_pem_object (bio, label, &buf);
-
- if (ret == 0)
- {
- if (buf.off > 0 && buf.is_allocated)
- {
- list[count].base = buf.base;
- list[count].len = buf.off;
- count++;
- }
- else
- {
- ptls_buffer_dispose (&buf);
- }
- }
- else
- {
- ptls_buffer_dispose (&buf);
- break;
- }
- }
+ QUIC_ERR ("failed to allocate fifos");
+ quicly_reset_stream (stream, QUIC_APP_ALLOCATION_ERROR);
+ return 0; /* Frame is still valid */
}
+ svm_fifo_add_want_deq_ntf (stream_session->rx_fifo,
+ SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL |
+ SVM_FIFO_WANT_DEQ_NOTIF_IF_EMPTY);
- if (ret == PTLS_ERROR_PEM_LABEL_NOT_FOUND && count > 0)
+ if ((rv = app_worker_accept_notify (app_wrk, stream_session)))
{
- ret = 0;
+ QUIC_ERR ("failed to notify accept worker app");
+ quicly_reset_stream (stream, QUIC_APP_ACCEPT_NOTIFY_ERROR);
+ return 0; /* Frame is still valid */
}
- *nb_objects = count;
-
- return ret;
+ return 0;
}
-#define PTLS_MAX_CERTS_IN_CONTEXT 16
-
-int
-ptls_load_bio_certificates (ptls_context_t * ctx, BIO * bio)
+static void
+quic_on_closed_by_peer (quicly_closed_by_peer_t * self, quicly_conn_t * conn,
+ int code, uint64_t frame_type,
+ const char *reason, size_t reason_len)
{
- int ret = 0;
-
- ctx->certificates.list =
- (ptls_iovec_t *) malloc (PTLS_MAX_CERTS_IN_CONTEXT *
- sizeof (ptls_iovec_t));
-
- if (ctx->certificates.list == NULL)
- {
- ret = PTLS_ERROR_NO_MEMORY;
- }
- else
- {
- ret =
- ptls_load_bio_pem_objects (bio, "CERTIFICATE", ctx->certificates.list,
- PTLS_MAX_CERTS_IN_CONTEXT,
- &ctx->certificates.count);
- }
-
- return ret;
+ quic_ctx_t *ctx = quic_get_conn_ctx (conn);
+#if QUIC_DEBUG >= 2
+ session_t *quic_session = session_get (ctx->c_s_index, ctx->c_thread_index);
+ clib_warning ("Session 0x%lx closed by peer (%U) %.*s ",
+ session_handle (quic_session), quic_format_err, code,
+ reason_len, reason);
+#endif
+ ctx->conn_state = QUIC_CONN_STATE_PASSIVE_CLOSING;
+ session_transport_closing_notify (&ctx->connection);
}
-static inline void
-load_bio_certificate_chain (ptls_context_t * ctx, const char *cert_data)
-{
- BIO *cert_bio;
- cert_bio = BIO_new_mem_buf (cert_data, -1);
- if (ptls_load_bio_certificates (ctx, cert_bio) != 0)
- {
- BIO_free (cert_bio);
- fprintf (stderr, "failed to load certificate:%s\n", strerror (errno));
- exit (1);
- }
- BIO_free (cert_bio);
-}
+/* Timer handling */
-static inline void
-load_bio_private_key (ptls_context_t * ctx, const char *pk_data)
+static int64_t
+quic_get_thread_time (u8 thread_index)
{
- static ptls_openssl_sign_certificate_t sc;
- EVP_PKEY *pkey;
- BIO *key_bio;
-
- key_bio = BIO_new_mem_buf (pk_data, -1);
- pkey = PEM_read_bio_PrivateKey (key_bio, NULL, NULL, NULL);
- BIO_free (key_bio);
-
- if (pkey == NULL)
- {
- fprintf (stderr, "failed to read private key from app configuration\n");
- exit (1);
- }
-
- ptls_openssl_init_sign_certificate (&sc, pkey);
- EVP_PKEY_free (pkey);
-
- ctx->sign_certificate = &sc.super;
+ return quic_main.wrk_ctx[thread_index].time_now;
}
-static void
-quic_connection_closed (u32 ctx_index)
+static int64_t
+quic_get_time (quicly_now_t * self)
{
- QUIC_DBG (2, "QUIC connection closed");
- quic_ctx_t *ctx;
-
- ctx = quic_ctx_get (ctx_index);
- // TODO if connection is not established, just delete the session
-
- // Do not try to send anything anymore
- ctx->stream = NULL;
- quicly_free (ctx->c_quic_ctx_id.conn);
- ctx->c_quic_ctx_id.conn = NULL;
- session_transport_closing_notify (&ctx->connection);
+ u8 thread_index = vlib_get_thread_index ();
+ return quic_get_thread_time (thread_index);
}
-static int64_t
-quic_get_time (quicly_now_cb * self)
+static u32
+quic_set_time_now (u32 thread_index)
{
- // TODO read value set by set_time_now?
- // (needs to change it not to call this function)
vlib_main_t *vlib_main = vlib_get_main ();
f64 time = vlib_time_now (vlib_main);
- return (int64_t) (time * 1000.f);
+ quic_main.wrk_ctx[thread_index].time_now = (int64_t) (time * 1000.f);
+ return quic_main.wrk_ctx[thread_index].time_now;
}
-quicly_now_cb quicly_vpp_now_cb = { quic_get_time };
+/* Transport proto callback */
static void
-allocate_quicly_ctx (application_t * app, u8 is_client)
-{
- QUIC_DBG (2, "Called allocate_quicly_ctx");
- struct
- {
- quicly_context_t _;
- char cid_key[17];
- } *ctx_data;
- quicly_context_t *quicly_ctx;
- char *cid_key;
-
- ctx_data = malloc (sizeof (*ctx_data));
- quicly_ctx = &ctx_data->_;
- app->quicly_ctx = (u64 *) quicly_ctx;
- memcpy (quicly_ctx, &quicly_default_context, sizeof (quicly_context_t));
-
- quicly_ctx->tls = &quic_tlsctx;
- quicly_ctx->stream_open = &on_stream_open;
- quicly_ctx->closed_by_peer = &on_closed_by_peer;
- quicly_ctx->now = &quicly_vpp_now_cb;
-
- quicly_amend_ptls_context (quicly_ctx->tls);
-
- quicly_ctx->event_log.mask = INT64_MAX;
- quicly_ctx->event_log.cb = quicly_new_default_event_log_cb (stderr);
-
- quicly_ctx->transport_params.max_data = QUIC_INT_MAX;
- quicly_ctx->transport_params.max_streams_uni = QUIC_INT_MAX;
- quicly_ctx->transport_params.max_streams_bidi = QUIC_INT_MAX;
- quicly_ctx->transport_params.max_stream_data.bidi_local = QUIC_INT_MAX;
- quicly_ctx->transport_params.max_stream_data.bidi_remote = QUIC_INT_MAX;
- quicly_ctx->transport_params.max_stream_data.uni = QUIC_INT_MAX;
-
- if (!is_client)
- {
- load_bio_private_key (quicly_ctx->tls, (char *) app->tls_key);
- load_bio_certificate_chain (quicly_ctx->tls, (char *) app->tls_cert);
- cid_key = ctx_data->cid_key;
- quicly_ctx->tls->random_bytes (cid_key, 16);
- cid_key[16] = 0;
- quicly_ctx->encrypt_cid =
- quicly_new_default_encrypt_cid_cb (&ptls_openssl_bfecb,
- &ptls_openssl_sha256,
- ptls_iovec_init (cid_key,
- strlen
- (cid_key)));
- quicly_ctx->decrypt_cid =
- quicly_new_default_decrypt_cid_cb (&ptls_openssl_bfecb,
- &ptls_openssl_sha256,
- ptls_iovec_init (cid_key,
- strlen
- (cid_key)));
- }
-}
-
-
-/*****************************************************************************
- * BEGIN TIMERS HANDLING
- *****************************************************************************/
-
-static u32
-quic_set_time_now (u32 thread_index)
+quic_update_time (f64 now, u8 thread_index)
{
- quic_main.wrk_ctx[thread_index].time_now = quic_get_time (NULL);
- return quic_main.wrk_ctx[thread_index].time_now;
+ tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
+
+ tw = &quic_main.wrk_ctx[thread_index].timer_wheel;
+ quic_set_time_now (thread_index);
+ tw_timer_expire_timers_1t_3w_1024sl_ov (tw, now);
}
static void
quic_timer_expired (u32 conn_index)
{
quic_ctx_t *ctx;
- QUIC_DBG (2, "Timer expired for conn %u at %ld", conn_index,
+ QUIC_DBG (4, "Timer expired for conn %u at %ld", conn_index,
quic_get_time (NULL));
- ctx = quic_ctx_get (conn_index);
- ctx->c_quic_ctx_id.timer_handle = QUIC_TIMER_HANDLE_INVALID;
- if (quic_send_packets (ctx))
- {
- quic_connection_closed (conn_index);
- }
+ ctx = quic_ctx_get (conn_index, vlib_get_thread_index ());
+ ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
+ quic_send_packets (ctx);
}
static void
quic_update_timer (quic_ctx_t * ctx)
{
tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
- int64_t next_timeout;
+ int64_t next_timeout, next_interval;
+ session_t *quic_session;
+ int rv;
+
+ /* This timeout is in ms which is the unit of our timer */
+ next_timeout = quicly_get_first_timeout (ctx->conn);
+ next_interval = next_timeout - quic_get_time (NULL);
+
+ if (next_timeout == 0 || next_interval <= 0)
+ {
+ if (ctx->c_s_index == QUIC_SESSION_INVALID)
+ {
+ next_interval = 1;
+ }
+ else
+ {
+ quic_session = session_get (ctx->c_s_index, ctx->c_thread_index);
+ if (svm_fifo_set_event (quic_session->tx_fifo))
+ {
+ rv = session_send_io_evt_to_thread_custom (quic_session,
+ quic_session->thread_index,
+ SESSION_IO_EVT_BUILTIN_TX);
+ if (PREDICT_FALSE (rv))
+ QUIC_ERR ("Failed to enqueue builtin_tx %d", rv);
+ }
+ return;
+ }
+ }
- // This timeout is in ms which is the unit of our timer
- next_timeout = quicly_get_first_timeout (ctx->c_quic_ctx_id.conn);
tw = &quic_main.wrk_ctx[vlib_get_thread_index ()].timer_wheel;
- f64 next_timeout_f = ((f64) next_timeout) / 1000.f;
- clib_warning ("Timer set to %ld (%lf)", next_timeout, next_timeout_f);
+ QUIC_DBG (4, "Timer set to %ld (int %ld) for ctx %u", next_timeout,
+ next_interval, ctx->c_c_index);
- if (ctx->c_quic_ctx_id.timer_handle == QUIC_TIMER_HANDLE_INVALID)
+ if (ctx->timer_handle == QUIC_TIMER_HANDLE_INVALID)
{
if (next_timeout == INT64_MAX)
- return;
- ctx->c_quic_ctx_id.timer_handle =
- tw_timer_start_1t_3w_1024sl_ov (tw, ctx->c_c_index, 0,
- next_timeout_f);
+ {
+ QUIC_DBG (4, "timer for ctx %u already stopped", ctx->c_c_index);
+ return;
+ }
+ ctx->timer_handle = tw_timer_start_1t_3w_1024sl_ov (tw, ctx->c_c_index,
+ 0, next_interval);
}
else
{
if (next_timeout == INT64_MAX)
{
- tw_timer_stop_1t_3w_1024sl_ov (tw, ctx->c_quic_ctx_id.timer_handle);
- ctx->c_quic_ctx_id.timer_handle = QUIC_TIMER_HANDLE_INVALID;
+ quic_stop_ctx_timer (ctx);
}
else
- tw_timer_update_1t_3w_1024sl_ov (tw, ctx->c_quic_ctx_id.timer_handle,
- next_timeout_f);
+ tw_timer_update_1t_3w_1024sl_ov (tw, ctx->timer_handle,
+ next_interval);
}
+ return;
}
static void
}
}
+/* Transport proto functions */
+static int
+quic_connect_stream (session_t * quic_session, session_endpoint_cfg_t * sep)
+{
+ uint64_t quic_session_handle;
+ session_t *stream_session;
+ quic_stream_data_t *stream_data;
+ quicly_stream_t *stream;
+ quicly_conn_t *conn;
+ app_worker_t *app_wrk;
+ quic_ctx_t *qctx, *sctx;
+ u32 sctx_index;
+ int rv;
+
+ /* Find base session to which the user want to attach a stream */
+ quic_session_handle = session_handle (quic_session);
+ QUIC_DBG (2, "Opening new stream (qsession %u)", quic_session_handle);
-/*****************************************************************************
- * END TIMERS HANDLING
- *
- * BEGIN TRANSPORT PROTO FUNCTIONS
- *****************************************************************************/
+ if (session_type_transport_proto (quic_session->session_type) !=
+ TRANSPORT_PROTO_QUIC)
+ {
+ QUIC_ERR ("received incompatible session");
+ return -1;
+ }
-int
-quic_connect (transport_endpoint_cfg_t * tep)
+ app_wrk = app_worker_get_if_valid (quic_session->app_wrk_index);
+ if (!app_wrk)
+ {
+ QUIC_ERR ("Invalid app worker :(");
+ return -1;
+ }
+
+ sctx_index = quic_ctx_alloc (quic_session->thread_index); /* Allocate before we get pointers */
+ sctx = quic_ctx_get (sctx_index, quic_session->thread_index);
+ qctx = quic_ctx_get (quic_session->connection_index,
+ quic_session->thread_index);
+ if (quic_ctx_is_stream (qctx))
+ {
+ QUIC_ERR ("session is a stream");
+ quic_ctx_free (sctx);
+ return -1;
+ }
+
+ sctx->parent_app_wrk_id = qctx->parent_app_wrk_id;
+ sctx->parent_app_id = qctx->parent_app_id;
+ sctx->quic_connection_ctx_id = qctx->c_c_index;
+ sctx->c_c_index = sctx_index;
+ sctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
+ sctx->flags |= QUIC_F_IS_STREAM;
+
+ conn = qctx->conn;
+
+ if (!conn || !quicly_connection_is_ready (conn))
+ return -1;
+
+ if ((rv =
+ quicly_open_stream (conn, &stream,
+ sep->flags & SESSION_F_UNIDIRECTIONAL)))
+ {
+ QUIC_DBG (2, "Stream open failed with %d", rv);
+ return -1;
+ }
+ quic_increment_counter (QUIC_ERROR_OPENED_STREAM, 1);
+
+ sctx->stream = stream;
+
+ QUIC_DBG (2, "Opened stream %d, creating session", stream->stream_id);
+
+ stream_session = session_alloc (qctx->c_thread_index);
+ QUIC_DBG (2, "Allocated stream_session 0x%lx ctx %u",
+ session_handle (stream_session), sctx_index);
+ stream_session->app_wrk_index = app_wrk->wrk_index;
+ stream_session->connection_index = sctx_index;
+ stream_session->listener_handle = quic_session_handle;
+ stream_session->session_type =
+ session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, qctx->udp_is_ip4);
+ if (sep->flags & SESSION_F_UNIDIRECTIONAL)
+ stream_session->flags |= SESSION_F_UNIDIRECTIONAL;
+
+ sctx->c_s_index = stream_session->session_index;
+ stream_data = (quic_stream_data_t *) stream->data;
+ stream_data->ctx_id = sctx->c_c_index;
+ stream_data->thread_index = sctx->c_thread_index;
+ stream_data->app_rx_data_len = 0;
+ stream_data->app_tx_data_len = 0;
+ stream_session->session_state = SESSION_STATE_READY;
+
+ /* For now we only reset streams. Cleanup will be triggered by timers */
+ if (app_worker_init_connected (app_wrk, stream_session))
+ {
+ QUIC_ERR ("failed to app_worker_init_connected");
+ quicly_reset_stream (stream, QUIC_APP_CONNECT_NOTIFY_ERROR);
+ return app_worker_connect_notify (app_wrk, NULL, sep->opaque);
+ }
+
+ svm_fifo_add_want_deq_ntf (stream_session->rx_fifo,
+ SVM_FIFO_WANT_DEQ_NOTIF_IF_FULL |
+ SVM_FIFO_WANT_DEQ_NOTIF_IF_EMPTY);
+
+ if (app_worker_connect_notify (app_wrk, stream_session, sep->opaque))
+ {
+ QUIC_ERR ("failed to notify app");
+ quic_increment_counter (QUIC_ERROR_CLOSED_STREAM, 1);
+ quicly_reset_stream (stream, QUIC_APP_CONNECT_NOTIFY_ERROR);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+quic_connect_connection (session_endpoint_cfg_t * sep)
{
- QUIC_DBG (2, "Called quic_connect");
- vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
- session_endpoint_cfg_t *sep;
+ vnet_connect_args_t _cargs, *cargs = &_cargs;
quic_main_t *qm = &quic_main;
quic_ctx_t *ctx;
app_worker_t *app_wrk;
application_t *app;
u32 ctx_index;
+ u32 thread_index = vlib_get_thread_index ();
int error;
- sep = (session_endpoint_cfg_t *) tep;
- ctx_index = quic_ctx_half_open_alloc ();
- ctx = quic_ctx_half_open_get (ctx_index);
- ctx->c_quic_ctx_id.parent_app_wrk_idx = sep->app_wrk_index;
- ctx->c_s_index = 0xFAFAFAFA;
- ctx->c_quic_ctx_id.udp_is_ip4 = sep->is_ip4;
- ctx->c_quic_ctx_id.timer_handle = QUIC_TIMER_HANDLE_INVALID;
- ctx->c_quic_ctx_id.conn_state = QUIC_CONN_STATE_HANDSHAKE;
+ clib_memset (cargs, 0, sizeof (*cargs));
+ ctx_index = quic_ctx_alloc (thread_index);
+ ctx = quic_ctx_get (ctx_index, thread_index);
+ ctx->parent_app_wrk_id = sep->app_wrk_index;
+ ctx->c_s_index = QUIC_SESSION_INVALID;
+ ctx->c_c_index = ctx_index;
+ ctx->udp_is_ip4 = sep->is_ip4;
+ ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
+ ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE;
ctx->client_opaque = sep->opaque;
+ ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
if (sep->hostname)
- {
- ctx->srv_hostname = format (0, "%v", sep->hostname);
- vec_terminate_c_string (ctx->srv_hostname);
- }
+ ctx->srv_hostname = format (0, "%v", sep->hostname);
else
- {
- // needed by quic for crypto + determining client / server
- ctx->srv_hostname =
- format (0, "%U", format_ip46_address, &sep->ip, sep->is_ip4);
- }
-
- quic_ctx_half_open_reader_unlock ();
+ /* needed by quic for crypto + determining client / server */
+ ctx->srv_hostname = format (0, "%U", format_ip46_address,
+ &sep->ip, sep->is_ip4);
+ vec_terminate_c_string (ctx->srv_hostname);
clib_memcpy (&cargs->sep, sep, sizeof (session_endpoint_cfg_t));
- cargs->sep.transport_proto = TRANSPORT_PROTO_UDP;
+ cargs->sep.transport_proto = TRANSPORT_PROTO_UDPC;
cargs->app_index = qm->app_index;
cargs->api_context = ctx_index;
app_wrk = app_worker_get (sep->app_wrk_index);
app = application_get (app_wrk->app_index);
- ctx->c_quic_ctx_id.parent_app_id = app_wrk->app_index;
+ ctx->parent_app_id = app_wrk->app_index;
+ cargs->sep_ext.ns_index = app->ns_index;
- allocate_quicly_ctx (app, 1 /* is client */ );
+ ctx->crypto_engine = sep->crypto_engine;
+ ctx->ckpair_index = sep->ckpair_index;
+ if ((error = quic_acquire_crypto_context (ctx)))
+ return error;
if ((error = vnet_connect (cargs)))
return error;
- QUIC_DBG (1, "New connect request %u", ctx_index);
return 0;
}
-static void
-quic_disconnect (u32 ctx_index, u32 thread_index)
+static int
+quic_connect (transport_endpoint_cfg_t * tep)
{
- QUIC_DBG (2, "Called quic_disconnect");
- tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
- quic_ctx_t *ctx;
+ QUIC_DBG (2, "Called quic_connect");
+ session_endpoint_cfg_t *sep = (session_endpoint_cfg_t *) tep;
+ session_t *quic_session;
+ sep = (session_endpoint_cfg_t *) tep;
+
+ quic_session = session_get_from_handle_if_valid (sep->parent_handle);
+ if (quic_session)
+ return quic_connect_stream (quic_session, sep);
+ else
+ return quic_connect_connection (sep);
+}
- QUIC_DBG (1, "Disconnecting %x", ctx_index);
+static void
+quic_proto_on_close (u32 ctx_index, u32 thread_index)
+{
+ quic_ctx_t *ctx = quic_ctx_get_if_valid (ctx_index, thread_index);
+ if (!ctx)
+ return;
+#if QUIC_DEBUG >= 2
+ session_t *stream_session = session_get (ctx->c_s_index,
+ ctx->c_thread_index);
+ clib_warning ("Closing session 0x%lx", session_handle (stream_session));
+#endif
+ if (quic_ctx_is_stream (ctx))
+ {
+ quicly_stream_t *stream = ctx->stream;
+ if (!quicly_stream_has_send_side (quicly_is_client (stream->conn),
+ stream->stream_id))
+ return;
+ quicly_reset_stream (stream, QUIC_APP_ERROR_CLOSE_NOTIFY);
+ quic_send_packets (ctx);
+ return;
+ }
- ctx = quic_ctx_get (ctx_index);
- if (ctx->c_quic_ctx_id.timer_handle != QUIC_TIMER_HANDLE_INVALID)
+ switch (ctx->conn_state)
{
- tw = &quic_main.wrk_ctx[vlib_get_thread_index ()].timer_wheel;
- tw_timer_stop_1t_3w_1024sl_ov (tw, ctx->c_quic_ctx_id.timer_handle);
+ case QUIC_CONN_STATE_OPENED:
+ case QUIC_CONN_STATE_HANDSHAKE:
+ case QUIC_CONN_STATE_READY:
+ ctx->conn_state = QUIC_CONN_STATE_ACTIVE_CLOSING;
+ quicly_conn_t *conn = ctx->conn;
+ /* Start connection closing. Keep sending packets until quicly_send
+ returns QUICLY_ERROR_FREE_CONNECTION */
+
+ quic_increment_counter (QUIC_ERROR_CLOSED_CONNECTION, 1);
+ quicly_close (conn, QUIC_APP_ERROR_CLOSE_NOTIFY, "Closed by peer");
+ /* This also causes all streams to be closed (and the cb called) */
+ quic_send_packets (ctx);
+ break;
+ case QUIC_CONN_STATE_PASSIVE_CLOSING:
+ ctx->conn_state = QUIC_CONN_STATE_PASSIVE_CLOSING_APP_CLOSED;
+ /* send_packets will eventually return an error, we delete the conn at
+ that point */
+ break;
+ case QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED:
+ quic_connection_delete (ctx);
+ break;
+ case QUIC_CONN_STATE_ACTIVE_CLOSING:
+ break;
+ default:
+ QUIC_ERR ("Trying to close conn in state %d", ctx->conn_state);
+ break;
}
- quic_disconnect_transport (ctx);
- // This removes the session from the lookup table and frees it.
- session_transport_delete_notify (&ctx->connection);
- quic_ctx_free (ctx);
}
-u32
-quic_start_listen (u32 app_listen_session_index, transport_endpoint_t * tep)
+static u32
+quic_start_listen (u32 quic_listen_session_index, transport_endpoint_t * tep)
{
- QUIC_DBG (2, "Called quic_start_listen");
vnet_listen_args_t _bargs, *args = &_bargs;
quic_main_t *qm = &quic_main;
session_handle_t udp_handle;
session_endpoint_cfg_t *sep;
- session_t *quic_listen_session, *app_listen_session;
+ session_t *udp_listen_session;
app_worker_t *app_wrk;
application_t *app;
quic_ctx_t *lctx;
u32 lctx_index;
app_listener_t *app_listener;
+ int rv;
sep = (session_endpoint_cfg_t *) tep;
app_wrk = app_worker_get (sep->app_wrk_index);
+ /* We need to call this because we call app_worker_init_connected in
+ * quic_accept_stream, which assumes the connect segment manager exists */
+ app_worker_alloc_connects_segment_manager (app_wrk);
app = application_get (app_wrk->app_index);
+ QUIC_DBG (2, "Called quic_start_listen for app %d", app_wrk->app_index);
- allocate_quicly_ctx (app, 0 /* is_client */ );
-
- sep->transport_proto = TRANSPORT_PROTO_UDP;
- memset (args, 0, sizeof (*args));
+ clib_memset (args, 0, sizeof (*args));
args->app_index = qm->app_index;
args->sep_ext = *sep;
args->sep_ext.ns_index = app->ns_index;
- if (vnet_listen (args))
- return -1;
+ args->sep_ext.transport_proto = TRANSPORT_PROTO_UDPC;
+ if ((rv = vnet_listen (args)))
+ return rv;
- lctx_index = quic_ctx_alloc (); // listener
+ lctx_index = quic_ctx_alloc (0);
udp_handle = args->handle;
app_listener = app_listener_get_w_handle (udp_handle);
- quic_listen_session = app_listener_get_session (app_listener);
- quic_listen_session->opaque = lctx_index;
-
- app_listen_session = listen_session_get (app_listen_session_index);
-
- lctx = quic_ctx_get (lctx_index); // listener
- lctx->is_listener = 1;
- lctx->c_quic_ctx_id.parent_app_wrk_idx = sep->app_wrk_index;
- lctx->c_quic_ctx_id.parent_app_id = app_wrk->app_index;
- lctx->c_quic_ctx_id.quic_session = udp_handle;
- lctx->c_quic_ctx_id.app_session =
- listen_session_get_handle (app_listen_session);
- lctx->c_quic_ctx_id.udp_is_ip4 = sep->is_ip4;
+ udp_listen_session = app_listener_get_session (app_listener);
+ udp_listen_session->opaque = lctx_index;
+
+ lctx = quic_ctx_get (lctx_index, 0);
+ lctx->flags |= QUIC_F_IS_LISTENER;
+
+ clib_memcpy (&lctx->c_rmt_ip, &args->sep.peer.ip, sizeof (ip46_address_t));
+ clib_memcpy (&lctx->c_lcl_ip, &args->sep.ip, sizeof (ip46_address_t));
+ lctx->c_rmt_port = args->sep.peer.port;
+ lctx->c_lcl_port = args->sep.port;
+ lctx->c_is_ip4 = args->sep.is_ip4;
+ lctx->c_fib_index = args->sep.fib_index;
+ lctx->c_proto = TRANSPORT_PROTO_QUIC;
+ lctx->parent_app_wrk_id = sep->app_wrk_index;
+ lctx->parent_app_id = app_wrk->app_index;
+ lctx->udp_session_handle = udp_handle;
+ lctx->c_s_index = quic_listen_session_index;
+ lctx->crypto_engine = sep->crypto_engine;
+ lctx->ckpair_index = sep->ckpair_index;
+ if (quic_acquire_crypto_context (lctx))
+ return -1;
- QUIC_DBG (1, "Started listening %d", lctx_index);
+ QUIC_DBG (2, "Listening UDP session 0x%lx",
+ session_handle (udp_listen_session));
+ QUIC_DBG (2, "Listening QUIC session 0x%lx", quic_listen_session_index);
return lctx_index;
}
-u32
+static u32
quic_stop_listen (u32 lctx_index)
{
QUIC_DBG (2, "Called quic_stop_listen");
quic_ctx_t *lctx;
-
- lctx = quic_ctx_get (lctx_index); // listener
+ lctx = quic_ctx_get (lctx_index, 0);
+ QUIC_ASSERT (quic_ctx_is_listener (lctx));
vnet_unlisten_args_t a = {
- .handle = lctx->c_quic_ctx_id.quic_session,
+ .handle = lctx->udp_session_handle,
.app_index = quic_main.app_index,
.wrk_map_index = 0 /* default wrk */
};
if (vnet_unlisten (&a))
clib_warning ("unlisten errored");
- // TODO: crypto state cleanup
-
- quic_ctx_free (lctx); // listener
+ quic_release_crypto_context (lctx->crypto_context_index,
+ 0 /* thread_index */ );
+ quic_ctx_free (lctx);
return 0;
}
-transport_connection_t *
+static transport_connection_t *
quic_connection_get (u32 ctx_index, u32 thread_index)
{
- QUIC_DBG (2, "Called quic_connection_get");
quic_ctx_t *ctx;
- ctx = quic_ctx_get_w_thread (ctx_index, thread_index);
+ ctx = quic_ctx_get (ctx_index, thread_index);
return &ctx->connection;
}
-transport_connection_t *
+static transport_connection_t *
quic_listener_get (u32 listener_index)
{
QUIC_DBG (2, "Called quic_listener_get");
quic_ctx_t *ctx;
- ctx = quic_ctx_get (listener_index);
+ ctx = quic_ctx_get (listener_index, 0);
return &ctx->connection;
}
-static void
-quic_update_time (f64 now, u8 thread_index)
+static u8 *
+format_quic_ctx (u8 * s, va_list * args)
{
- tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
-
- tw = &quic_main.wrk_ctx[thread_index].timer_wheel;
- quic_set_time_now (thread_index);
- tw_timer_expire_timers_1t_3w_1024sl_ov (tw, now);
+ quic_ctx_t *ctx = va_arg (*args, quic_ctx_t *);
+ u32 verbose = va_arg (*args, u32);
+ u8 *str = 0;
+
+ if (!ctx)
+ return s;
+ str = format (str, "[#%d][Q] ", ctx->c_thread_index);
+
+ if (quic_ctx_is_listener (ctx))
+ str = format (str, "Listener, UDP %ld", ctx->udp_session_handle);
+ else if (quic_ctx_is_stream (ctx))
+ str = format (str, "Stream %ld conn %d",
+ ctx->stream->stream_id, ctx->quic_connection_ctx_id);
+ else /* connection */
+ str = format (str, "Conn %d UDP %d", ctx->c_c_index,
+ ctx->udp_session_handle);
+
+ str = format (str, " app %d wrk %d", ctx->parent_app_id,
+ ctx->parent_app_wrk_id);
+
+ if (verbose == 1)
+ s = format (s, "%-50s%-15d", str, ctx->conn_state);
+ else
+ s = format (s, "%s\n", str);
+ vec_free (str);
+ return s;
}
static u8 *
format_quic_connection (u8 * s, va_list * args)
{
- s = format (s, "[QUIC] connection");
+ u32 qc_index = va_arg (*args, u32);
+ u32 thread_index = va_arg (*args, u32);
+ u32 verbose = va_arg (*args, u32);
+ quic_ctx_t *ctx = quic_ctx_get (qc_index, thread_index);
+ s = format (s, "%U", format_quic_ctx, ctx, verbose);
return s;
}
format_quic_half_open (u8 * s, va_list * args)
{
u32 qc_index = va_arg (*args, u32);
- quic_ctx_t *ctx = quic_ctx_half_open_get (qc_index);
- s = format (s, "[QUIC] half-open app %u", ctx->c_quic_ctx_id.parent_app_id);
- quic_ctx_half_open_reader_unlock ();
+ u32 thread_index = va_arg (*args, u32);
+ quic_ctx_t *ctx = quic_ctx_get (qc_index, thread_index);
+ s = format (s, "[#%d][Q] half-open app %u", thread_index,
+ ctx->parent_app_id);
return s;
}
-// TODO improve
+/* TODO improve */
static u8 *
format_quic_listener (u8 * s, va_list * args)
{
- s = format (s, "[QUIC] listener");
+ u32 tci = va_arg (*args, u32);
+ u32 thread_index = va_arg (*args, u32);
+ u32 verbose = va_arg (*args, u32);
+ quic_ctx_t *ctx = quic_ctx_get (tci, thread_index);
+ s = format (s, "%U", format_quic_ctx, ctx, verbose);
return s;
}
-/*****************************************************************************
- * END TRANSPORT PROTO FUNCTIONS
- *
- * START SESSION CALLBACKS
- * Called from UDP layer
- *****************************************************************************/
+/* Session layer callbacks */
static inline void
quic_build_sockaddr (struct sockaddr *sa, socklen_t * salen,
}
}
-static int
-quic_delayed_notify_app_connected (void *ctx_index)
+static void
+quic_on_quic_session_connected (quic_ctx_t * ctx)
{
- QUIC_DBG (1, "quic_notify_app_connected");
- session_t *app_session;
+ session_t *quic_session;
app_worker_t *app_wrk;
- quic_ctx_t *ctx;
- ctx = quic_ctx_get ((u32) (u64) ctx_index);
+ u32 ctx_id = ctx->c_c_index;
+ u32 thread_index = ctx->c_thread_index;
+ int rv;
- app_wrk = app_worker_get_if_valid (ctx->c_quic_ctx_id.parent_app_wrk_idx);
- if (!app_wrk)
- {
- quic_disconnect_transport (ctx);
- return -1;
- }
+ quic_session = session_alloc (thread_index);
- app_session = session_alloc (ctx->c_thread_index);
- QUIC_DBG (1, "Created app_session, id %u", app_session->session_index);
- ctx->c_s_index = app_session->session_index;
- app_session->app_wrk_index = ctx->c_quic_ctx_id.parent_app_wrk_idx;
- app_session->connection_index = ctx->c_c_index;
- app_session->session_type =
- session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC,
- ctx->c_quic_ctx_id.udp_is_ip4);
+ QUIC_DBG (2, "Allocated quic session 0x%lx", session_handle (quic_session));
+ ctx->c_s_index = quic_session->session_index;
+ quic_session->app_wrk_index = ctx->parent_app_wrk_id;
+ quic_session->connection_index = ctx->c_c_index;
+ quic_session->listener_handle = SESSION_INVALID_HANDLE;
+ quic_session->session_type =
+ session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, ctx->udp_is_ip4);
- if (app_worker_init_connected (app_wrk, app_session)) // TODO dont allocate fifos
+ /* If quic session connected fails, immediatly close connection */
+ app_wrk = app_worker_get (ctx->parent_app_wrk_id);
+ if (app_worker_init_connected (app_wrk, quic_session))
{
- quic_disconnect (ctx->c_c_index, vlib_get_thread_index ());
- return app_worker_connect_notify (app_wrk, NULL, ctx->client_opaque);
+ QUIC_ERR ("failed to app_worker_init_connected");
+ quic_proto_on_close (ctx_id, thread_index);
+ app_worker_connect_notify (app_wrk, NULL, ctx->client_opaque);
+ return;
}
- app_session->session_state = SESSION_STATE_CONNECTING;
- if (app_worker_connect_notify (app_wrk, app_session, ctx->client_opaque))
+ quic_session->session_state = SESSION_STATE_CONNECTING;
+ if ((rv = app_worker_connect_notify (app_wrk, quic_session,
+ ctx->client_opaque)))
{
- QUIC_DBG (1, "failed to notify app");
- quic_disconnect (ctx->c_c_index, vlib_get_thread_index ());
- return -1;
+ QUIC_ERR ("failed to notify app %d", rv);
+ quic_proto_on_close (ctx_id, thread_index);
+ return;
}
- ctx->c_quic_ctx_id.app_session = session_handle (app_session);
- app_session->session_state = SESSION_STATE_LISTENING;
- session_lookup_add_connection (&ctx->connection,
- session_handle (app_session));
+ /* If the app opens a stream in its callback it may invalidate ctx */
+ ctx = quic_ctx_get (ctx_id, thread_index);
+ /*
+ * app_worker_connect_notify() might have reallocated pool, reload
+ * quic_session pointer
+ */
+ quic_session = session_get (ctx->c_s_index, thread_index);
+ quic_session->session_state = SESSION_STATE_LISTENING;
+}
- return 0;
+static void
+quic_check_quic_session_connected (quic_ctx_t * ctx)
+{
+ /* Called when we need to trigger quic session connected
+ * we may call this function on the server side / at
+ * stream opening */
+
+ /* Conn may be set to null if the connection is terminated */
+ if (!ctx->conn || ctx->conn_state != QUIC_CONN_STATE_HANDSHAKE)
+ return;
+ if (!quicly_connection_is_ready (ctx->conn))
+ return;
+ ctx->conn_state = QUIC_CONN_STATE_READY;
+ if (!quicly_is_client (ctx->conn))
+ return;
+ quic_on_quic_session_connected (ctx);
}
-int
-quic_session_connected_callback (u32 quic_app_index, u32 ho_ctx_idx,
- session_t * s, u8 is_fail)
+static inline void
+quic_update_conn_ctx (quicly_conn_t * conn, quicly_context_t * quicly_context)
{
- QUIC_DBG (2, "Called quic_session_connected_callback");
- // This should always be called before quic_connect returns since UDP always
- // connects instantly.
+ /* we need to update the quicly_conn on migrate
+ * as it contains a pointer to the crypto context */
+ ptls_context_t **tls;
+ quicly_context_t **_quicly_context;
+ _quicly_context = (quicly_context_t **) conn;
+ *_quicly_context = quicly_context;
+ tls = (ptls_context_t **) quicly_get_tls (conn);
+ *tls = quicly_context->tls;
+}
+
+static void
+quic_receive_connection (void *arg)
+{
+ u32 new_ctx_id, thread_index = vlib_get_thread_index ();
+ quic_ctx_t *temp_ctx, *new_ctx;
+ clib_bihash_kv_16_8_t kv;
+ quicly_conn_t *conn;
+ quicly_context_t *quicly_context;
+ session_t *udp_session;
+
+ temp_ctx = arg;
+ new_ctx_id = quic_ctx_alloc (thread_index);
+ new_ctx = quic_ctx_get (new_ctx_id, thread_index);
+
+ QUIC_DBG (2, "Received conn %u (now %u)", temp_ctx->c_thread_index,
+ new_ctx_id);
+
+ clib_memcpy (new_ctx, temp_ctx, sizeof (quic_ctx_t));
+ clib_mem_free (temp_ctx);
+
+ new_ctx->c_thread_index = thread_index;
+ new_ctx->c_c_index = new_ctx_id;
+ quic_acquire_crypto_context (new_ctx);
+
+ conn = new_ctx->conn;
+ quicly_context = quic_get_quicly_ctx_from_ctx (new_ctx);
+ quic_update_conn_ctx (conn, quicly_context);
+
+ quic_store_conn_ctx (conn, new_ctx);
+ quic_make_connection_key (&kv, quicly_get_master_id (conn));
+ kv.value = ((u64) thread_index) << 32 | (u64) new_ctx_id;
+ QUIC_DBG (2, "Registering conn with id %lu %lu", kv.key[0], kv.key[1]);
+ clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 1 /* is_add */ );
+ new_ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
+ quic_update_timer (new_ctx);
+
+ /* Trigger write on this connection if necessary */
+ udp_session = session_get_from_handle (new_ctx->udp_session_handle);
+ udp_session->opaque = new_ctx_id;
+ udp_session->flags &= ~SESSION_F_IS_MIGRATING;
+ if (svm_fifo_max_dequeue (udp_session->tx_fifo))
+ quic_set_udp_tx_evt (udp_session);
+}
+
+static void
+quic_transfer_connection (u32 ctx_index, u32 dest_thread)
+{
+ quic_ctx_t *ctx, *temp_ctx;
+ u32 thread_index = vlib_get_thread_index ();
+
+ QUIC_DBG (2, "Transferring conn %u to thread %u", ctx_index, dest_thread);
+
+ temp_ctx = clib_mem_alloc (sizeof (quic_ctx_t));
+ QUIC_ASSERT (temp_ctx != NULL);
+ ctx = quic_ctx_get (ctx_index, thread_index);
+
+ clib_memcpy (temp_ctx, ctx, sizeof (quic_ctx_t));
+
+ quic_stop_ctx_timer (ctx);
+ quic_release_crypto_context (ctx->crypto_context_index, thread_index);
+ quic_ctx_free (ctx);
+
+ /* Send connection to destination thread */
+ session_send_rpc_evt_to_thread (dest_thread, quic_receive_connection,
+ (void *) temp_ctx);
+}
+
+static int
+quic_udp_session_connected_callback (u32 quic_app_index, u32 ctx_index,
+ session_t * udp_session, u8 is_fail)
+{
+ QUIC_DBG (2, "QSession is now connected (id %u)",
+ udp_session->session_index);
+ /* This should always be called before quic_connect returns since UDP always
+ * connects instantly. */
+ clib_bihash_kv_16_8_t kv;
struct sockaddr_in6 sa6;
struct sockaddr *sa = (struct sockaddr *) &sa6;
socklen_t salen;
transport_connection_t *tc;
- quic_ctx_t *ho_ctx, *ctx;
- u32 ctx_index;
- int ret;
- application_t *app;
app_worker_t *app_wrk;
+ quicly_conn_t *conn;
+ quic_ctx_t *ctx;
+ u32 thread_index = vlib_get_thread_index ();
+ int ret;
+ quicly_context_t *quicly_ctx;
- ho_ctx = quic_ctx_half_open_get (ho_ctx_idx);
+
+ ctx = quic_ctx_get (ctx_index, thread_index);
if (is_fail)
{
u32 api_context;
- int rv = 0;
-
- app_wrk =
- app_worker_get_if_valid (ho_ctx->c_quic_ctx_id.parent_app_wrk_idx);
+ app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_id);
if (app_wrk)
{
- api_context = ho_ctx->c_s_index;
+ api_context = ctx->c_s_index;
app_worker_connect_notify (app_wrk, 0, api_context);
}
- quic_ctx_half_open_reader_unlock ();
- quic_ctx_half_open_free (ho_ctx_idx);
- return rv;
- }
-
- app_wrk =
- app_worker_get_if_valid (ho_ctx->c_quic_ctx_id.parent_app_wrk_idx);
- if (!app_wrk)
- {
- QUIC_DBG (1, "Appwrk not found");
- return -1;
+ return 0;
}
- app = application_get (app_wrk->app_index);
-
- ctx_index = quic_ctx_alloc ();
- ctx = quic_ctx_get (ctx_index);
- clib_memcpy (ctx, ho_ctx, sizeof (*ctx));
- quic_ctx_half_open_reader_unlock (); // TODO: this is a race
- quic_ctx_half_open_free (ho_ctx_idx);
- ctx->c_thread_index = vlib_get_thread_index ();
+ ctx->c_thread_index = thread_index;
ctx->c_c_index = ctx_index;
- QUIC_DBG (1, "Quic connect for returned %u. New connection [%u]%x",
- is_fail, vlib_get_thread_index (), (ctx) ? ctx_index : ~0);
+ QUIC_DBG (2, "Quic connect returned %u. New ctx [%u]%x",
+ is_fail, thread_index, (ctx) ? ctx_index : ~0);
- ctx->c_quic_ctx_id.quic_session = session_handle (s);
- s->opaque = ctx_index;
- s->session_state = SESSION_STATE_READY;
+ ctx->udp_session_handle = session_handle (udp_session);
+ udp_session->opaque = ctx_index;
- // Init QUIC lib connection
- // Generate required sockaddr & salen
- tc = session_get_transport (s);
+ /* Init QUIC lib connection
+ * Generate required sockaddr & salen */
+ tc = session_get_transport (udp_session);
quic_build_sockaddr (sa, &salen, &tc->rmt_ip, tc->rmt_port, tc->is_ip4);
- ret =
- quicly_connect (&ctx->c_quic_ctx_id.conn,
- (quicly_context_t *) app->quicly_ctx,
- (char *) ctx->srv_hostname, sa, salen,
- &quic_main.next_cid, &quic_main.hs_properties, NULL);
- ++quic_main.next_cid.master_id;
- // Save context handle in quicly connection
- *quicly_get_data (ctx->c_quic_ctx_id.conn) = (void *) (u64) ctx_index;
+ quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
+ ret = quicly_connect (&ctx->conn, quicly_ctx, (char *) ctx->srv_hostname,
+ sa, NULL, &quic_main.wrk_ctx[thread_index].next_cid,
+ ptls_iovec_init (NULL, 0), &quic_main.hs_properties,
+ NULL);
+ ++quic_main.wrk_ctx[thread_index].next_cid.master_id;
+ /* Save context handle in quicly connection */
+ quic_store_conn_ctx (ctx->conn, ctx);
assert (ret == 0);
- if (quic_send_packets (ctx))
- {
- quic_connection_closed (ctx_index);
- }
+ /* Register connection in connections map */
+ conn = ctx->conn;
+ quic_make_connection_key (&kv, quicly_get_master_id (conn));
+ kv.value = ((u64) thread_index) << 32 | (u64) ctx_index;
+ QUIC_DBG (2, "Registering conn with id %lu %lu", kv.key[0], kv.key[1]);
+ clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 1 /* is_add */ );
+
+ /* UDP stack quirk? preemptively transfer connection if that happens */
+ if (udp_session->thread_index != thread_index)
+ quic_transfer_connection (ctx_index, udp_session->thread_index);
+ else
+ quic_send_packets (ctx);
+
return ret;
}
-void
-quic_session_disconnect_callback (session_t * s)
+static void
+quic_udp_session_disconnect_callback (session_t * s)
{
clib_warning ("UDP session disconnected???");
}
-void
-quic_session_reset_callback (session_t * s)
+static void
+quic_udp_session_cleanup_callback (session_t * udp_session,
+ session_cleanup_ntf_t ntf)
+{
+ quic_ctx_t *ctx;
+
+ if (ntf != SESSION_CLEANUP_SESSION)
+ return;
+
+ ctx = quic_ctx_get (udp_session->opaque, udp_session->thread_index);
+ quic_stop_ctx_timer (ctx);
+ quic_release_crypto_context (ctx->crypto_context_index,
+ ctx->c_thread_index);
+ quic_ctx_free (ctx);
+}
+
+static void
+quic_udp_session_reset_callback (session_t * s)
{
clib_warning ("UDP session reset???");
}
+static void
+quic_udp_session_migrate_callback (session_t * s, session_handle_t new_sh)
+{
+ u32 new_thread = session_thread_from_handle (new_sh);
+ quic_ctx_t *ctx;
+
+ QUIC_DBG (2, "Session %x migrated to %lx", s->session_index, new_sh);
+ QUIC_ASSERT (vlib_get_thread_index () == s->thread_index);
+ ctx = quic_ctx_get (s->opaque, s->thread_index);
+ QUIC_ASSERT (ctx->udp_session_handle == session_handle (s));
+
+ ctx->udp_session_handle = new_sh;
+#if QUIC_DEBUG >= 1
+ s->opaque = 0xfeedface;
+#endif
+ quic_transfer_connection (ctx->c_c_index, new_thread);
+}
+
+int
+quic_udp_session_accepted_callback (session_t * udp_session)
+{
+ /* New UDP connection, try to accept it */
+ u32 ctx_index;
+ quic_ctx_t *ctx, *lctx;
+ session_t *udp_listen_session;
+ u32 thread_index = vlib_get_thread_index ();
+
+ udp_listen_session =
+ listen_session_get_from_handle (udp_session->listener_handle);
+
+ ctx_index = quic_ctx_alloc (thread_index);
+ ctx = quic_ctx_get (ctx_index, thread_index);
+ ctx->c_thread_index = udp_session->thread_index;
+ ctx->c_c_index = ctx_index;
+ ctx->c_s_index = QUIC_SESSION_INVALID;
+ ctx->udp_session_handle = session_handle (udp_session);
+ QUIC_DBG (2, "ACCEPTED UDP 0x%lx", ctx->udp_session_handle);
+ ctx->listener_ctx_id = udp_listen_session->opaque;
+ lctx = quic_ctx_get (udp_listen_session->opaque,
+ udp_listen_session->thread_index);
+ ctx->udp_is_ip4 = lctx->c_is_ip4;
+ ctx->parent_app_id = lctx->parent_app_id;
+ ctx->parent_app_wrk_id = lctx->parent_app_wrk_id;
+ ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
+ ctx->conn_state = QUIC_CONN_STATE_OPENED;
+ ctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
+
+ ctx->crypto_engine = lctx->crypto_engine;
+ ctx->ckpair_index = lctx->ckpair_index;
+ quic_acquire_crypto_context (ctx);
+ udp_session->opaque = ctx_index;
+
+ /* TODO timeout to delete these if they never connect */
+ return 0;
+}
+
static int
quic_add_segment_callback (u32 client_index, u64 seg_handle)
{
- QUIC_DBG (2, "Called quic_add_segment_callback");
- QUIC_DBG (2, "NOT IMPLEMENTED");
/* No-op for builtin */
return 0;
}
static int
quic_del_segment_callback (u32 client_index, u64 seg_handle)
{
- QUIC_DBG (2, "Called quic_del_segment_callback");
- QUIC_DBG (2, "NOT IMPLEMENTED");
/* No-op for builtin */
return 0;
}
-int
-quic_add_vpp_q_builtin_tx_evt (session_t * s)
+static int
+quic_custom_app_rx_callback (transport_connection_t * tc)
{
- if (svm_fifo_set_event (s->tx_fifo))
- session_send_io_evt_to_thread_custom (s, s->thread_index,
- FIFO_EVENT_BUILTIN_TX);
+ quic_ctx_t *ctx;
+ session_t *stream_session = session_get (tc->s_index, tc->thread_index);
+ QUIC_DBG (3, "Received app READ notification");
+ quic_ack_rx_data (stream_session);
+ svm_fifo_reset_has_deq_ntf (stream_session->rx_fifo);
+
+ /* Need to send packets (acks may never be sent otherwise) */
+ ctx = quic_ctx_get (stream_session->connection_index,
+ stream_session->thread_index);
+ quic_send_packets (ctx);
return 0;
}
-void
-quic_open_stream_if_ready (quic_ctx_t * ctx)
-{
- quicly_conn_t *conn = ctx->c_quic_ctx_id.conn;
- if (ctx->stream)
- {
- QUIC_DBG (2, "----------- > FOUND Stream id %d",
- ctx->stream->stream_id);
- QUIC_DBG (2, "----------- > FOUND Stream is_open %d",
- ctx->stream->sendstate.is_open);
- return;
- }
- if (quicly_connection_is_ready (conn))
- assert (!quicly_open_stream (conn, &ctx->stream, 0));
- QUIC_DBG (2, "Stream id %d", ctx->stream->stream_id);
- QUIC_DBG (2, "Stream is_open %d", ctx->stream->sendstate.is_open);
-}
-
-int
-quic_custom_tx_callback (void *session)
+static int
+quic_custom_tx_callback (void *s, u32 max_burst_size)
{
- QUIC_DBG (2, "Called quic_custom_tx_callback");
- session_t *app_session = (session_t *) session;
+ session_t *stream_session = (session_t *) s;
+ quic_stream_data_t *stream_data;
+ quicly_stream_t *stream;
quic_ctx_t *ctx;
- svm_fifo_t *f;
- u32 deq_max;
- u8 *data;
+ u32 max_deq;
+ int rv;
if (PREDICT_FALSE
- (app_session->session_state >= SESSION_STATE_TRANSPORT_CLOSING))
+ (stream_session->session_state >= SESSION_STATE_TRANSPORT_CLOSING))
return 0;
- ctx = quic_ctx_get (app_session->connection_index);
- quic_open_stream_if_ready (ctx);
- if (!ctx->stream)
+ ctx = quic_ctx_get (stream_session->connection_index,
+ stream_session->thread_index);
+ if (PREDICT_FALSE (!quic_ctx_is_stream (ctx)))
{
- quic_add_vpp_q_builtin_tx_evt (app_session);
- return 0;
+ goto tx_end; /* Most probably a reschedule */
}
- f = app_session->tx_fifo;
- deq_max = svm_fifo_max_dequeue (f);
- if (!deq_max)
- return 0;
-
- data = svm_fifo_head (f);
- if (quicly_streambuf_egress_write (ctx->stream, data, deq_max))
+ QUIC_DBG (3, "Stream TX event");
+ quic_ack_rx_data (stream_session);
+ stream = ctx->stream;
+ if (!quicly_sendstate_is_open (&stream->sendstate))
{
- assert (0);
- return 0;
+ QUIC_ERR ("Warning: tried to send on closed stream");
+ return -1;
}
- QUIC_DBG (2, "Sent %u bytes", deq_max);
- svm_fifo_dequeue_drop (f, deq_max);
- if (quic_send_packets (ctx))
+
+ stream_data = (quic_stream_data_t *) stream->data;
+ max_deq = svm_fifo_max_dequeue (stream_session->tx_fifo);
+ QUIC_ASSERT (max_deq >= stream_data->app_tx_data_len);
+ if (max_deq == stream_data->app_tx_data_len)
{
- quic_connection_closed (ctx->c_c_index);
+ QUIC_DBG (3, "TX but no data %d / %d", max_deq,
+ stream_data->app_tx_data_len);
+ return 0;
}
- return 0;
-}
+ stream_data->app_tx_data_len = max_deq;
+ rv = quicly_stream_sync_sendbuf (stream, 1);
+ QUIC_ASSERT (!rv);
-int
-quic_find_packet_ctx (quic_ctx_t ** ctx, quicly_conn_t ** conn,
- struct sockaddr *sa, socklen_t salen,
- quicly_decoded_packet_t packet)
-{
- quic_ctx_t *ctx_;
- quicly_conn_t *conn_;
- /* *INDENT-OFF* */
- pool_foreach (ctx_, quic_main.ctx_pool[vlib_get_thread_index()],
- ({
- conn_ = ctx_->c_quic_ctx_id.conn;
- if (conn_ && !ctx_->is_listener)
- {
- if (quicly_is_destination(conn_, sa, salen, &packet))
- {
- *conn = conn_;
- *ctx = ctx_;
- QUIC_DBG (2, "connection_found");
- return 0;
- }
- }
- }));
- /* *INDENT-ON* */
+tx_end:
+ quic_send_packets (ctx);
return 0;
}
-static int
-quic_receive (quic_ctx_t * ctx, quicly_conn_t * conn,
- quicly_decoded_packet_t packet)
+/*
+ * Returns 0 if a matching connection is found and is on the right thread.
+ * Otherwise returns -1.
+ * If a connection is found, even on the wrong thread, ctx_thread and ctx_index
+ * will be set.
+ */
+static inline int
+quic_find_packet_ctx (quic_rx_packet_ctx_t * pctx, u32 caller_thread_index)
{
- quicly_receive (conn, &packet);
- // Conn may be set to null if the connection is terminated
- if (ctx->c_quic_ctx_id.conn
- && ctx->c_quic_ctx_id.conn_state == QUIC_CONN_STATE_HANDSHAKE)
+ clib_bihash_kv_16_8_t kv;
+ clib_bihash_16_8_t *h;
+ quic_ctx_t *ctx;
+ u32 index, thread_id;
+
+ h = &quic_main.connection_hash;
+ quic_make_connection_key (&kv, &pctx->packet.cid.dest.plaintext);
+ QUIC_DBG (3, "Searching conn with id %lu %lu", kv.key[0], kv.key[1]);
+
+ if (clib_bihash_search_16_8 (h, &kv, &kv))
{
- if (quicly_connection_is_ready (conn))
- {
- ctx->c_quic_ctx_id.conn_state = QUIC_CONN_STATE_READY;
- if (quicly_is_client (conn))
- session_send_rpc_evt_to_thread_force (vlib_get_thread_index (),
- &quic_delayed_notify_app_connected,
- (void *) (u64)
- ctx->c_c_index);
- }
+ QUIC_DBG (3, "connection not found");
+ return QUIC_PACKET_TYPE_NONE;
}
- if (quic_send_packets (ctx))
+
+ index = kv.value & UINT32_MAX;
+ thread_id = kv.value >> 32;
+ /* Check if this connection belongs to this thread, otherwise
+ * ask for it to be moved */
+ if (thread_id != caller_thread_index)
{
- quic_connection_closed (ctx->c_c_index);
+ QUIC_DBG (2, "Connection is on wrong thread");
+ /* Cannot make full check with quicly_is_destination... */
+ pctx->ctx_index = index;
+ pctx->thread_index = thread_id;
+ return QUIC_PACKET_TYPE_MIGRATE;
}
- return 0;
+ ctx = quic_ctx_get (index, vlib_get_thread_index ());
+ if (!ctx->conn)
+ {
+ QUIC_ERR ("ctx has no conn");
+ return QUIC_PACKET_TYPE_NONE;
+ }
+ if (!quicly_is_destination (ctx->conn, NULL, &pctx->sa, &pctx->packet))
+ return QUIC_PACKET_TYPE_NONE;
+
+ QUIC_DBG (3, "Connection found");
+ pctx->ctx_index = index;
+ pctx->thread_index = thread_id;
+ return QUIC_PACKET_TYPE_RECEIVE;
}
-static int
-quic_delayed_create_app_session (void *ctx_index)
+static void
+quic_accept_connection (quic_rx_packet_ctx_t * pctx)
{
- quic_ctx_t *lctx, *ctx;
- session_t *app_session, *app_listen_session;
+ quicly_context_t *quicly_ctx;
+ session_t *quic_session;
+ clib_bihash_kv_16_8_t kv;
app_worker_t *app_wrk;
+ quicly_conn_t *conn;
+ quic_ctx_t *ctx;
+ quic_ctx_t *lctx;
int rv;
- ctx = quic_ctx_get ((u32) (u64) ctx_index);
- app_session = session_alloc (ctx->c_thread_index);
- app_session->session_state = SESSION_STATE_LISTENING;
- ctx->c_s_index = app_session->session_index;
-
- lctx = quic_ctx_get (ctx->c_quic_ctx_id.listener_ctx_id);
-
- app_listen_session =
- listen_session_get_from_handle (lctx->c_quic_ctx_id.app_session);
- app_session->app_wrk_index = lctx->c_quic_ctx_id.parent_app_wrk_idx;
- app_session->connection_index = ctx->c_c_index;
- app_session->session_type = app_listen_session->session_type;
- app_session->listener_index = app_listen_session->session_index;
- app_session->app_index = quic_main.app_index;
-
- // TODO: don't alloc fifos when we don't transfer data on this session
- if ((rv = app_worker_init_accepted (app_session)))
- {
- QUIC_DBG (1, "failed to allocate fifos");
- session_free (app_session);
- return rv;
- }
- ctx->c_quic_ctx_id.app_session = session_handle (app_session);
- ctx->c_quic_ctx_id.parent_app_id = lctx->c_quic_ctx_id.parent_app_id;
- ctx->c_quic_ctx_id.udp_is_ip4 = lctx->c_quic_ctx_id.udp_is_ip4;
- ctx->c_quic_ctx_id.parent_app_wrk_idx = app_session->app_wrk_index;
- session_lookup_add_connection (&ctx->connection,
- session_handle (app_session));
- app_wrk = app_worker_get (app_session->app_wrk_index);
- rv = app_worker_accept_notify (app_wrk, app_session);
- if (rv)
- {
- QUIC_DBG (1, "failed to notify accept worker app");
- return rv;
+ /* new connection, accept and create context if packet is valid
+ * TODO: check if socket is actually listening? */
+ ctx = quic_ctx_get (pctx->ctx_index, pctx->thread_index);
+ if (ctx->c_s_index != QUIC_SESSION_INVALID)
+ {
+ QUIC_DBG (2, "already accepted ctx 0x%x", ctx->c_s_index);
+ return;
}
- return 0;
-}
-
-static int
-quic_create_connection (quicly_context_t * quicly_ctx,
- u64 quic_session_handle, u32 lctx_index,
- quicly_conn_t * conn, struct sockaddr *sa,
- socklen_t salen, quicly_decoded_packet_t packet)
-{
- quic_ctx_t *ctx;
- u32 ctx_index;
- /* new connection, accept and create context if packet is valid */
- // TODO: check if socket is actually listening?
- QUIC_DBG (2, "New connection created");
- if (quicly_accept (&conn, quicly_ctx, sa, salen,
- &packet, ptls_iovec_init (NULL, 0),
- &quic_main.next_cid, NULL) != 0)
+ quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
+ if ((rv = quicly_accept (&conn, quicly_ctx, NULL, &pctx->sa,
+ &pctx->packet, NULL,
+ &quic_main.wrk_ctx[pctx->thread_index].next_cid,
+ NULL)))
{
- // Invalid packet, pass
+ /* Invalid packet, pass */
assert (conn == NULL);
- QUIC_DBG (2, "Accept failed");
- return 0;
+ QUIC_ERR ("Accept failed with %U", quic_format_err, rv);
+ /* TODO: cleanup created quic ctx and UDP session */
+ return;
}
assert (conn != NULL);
- ++quic_main.next_cid.master_id;
- // Create context
- ctx_index = quic_ctx_alloc ();
- ctx = quic_ctx_get (ctx_index);
- // Save ctx handle in quicly connection
- *quicly_get_data (conn) = (void *) (u64) ctx_index;
-
- ctx->c_thread_index = vlib_get_thread_index ();
- ctx->c_c_index = ctx_index;
- ctx->c_quic_ctx_id.quic_session = quic_session_handle;
- ctx->c_quic_ctx_id.listener_ctx_id = lctx_index;
- ctx->c_quic_ctx_id.timer_handle = QUIC_TIMER_HANDLE_INVALID;
- ctx->c_quic_ctx_id.conn = conn;
+ ++quic_main.wrk_ctx[pctx->thread_index].next_cid.master_id;
+ /* Save ctx handle in quicly connection */
+ quic_store_conn_ctx (conn, ctx);
+ ctx->conn = conn;
+
+ quic_session = session_alloc (ctx->c_thread_index);
+ QUIC_DBG (2, "Allocated quic_session, 0x%lx ctx %u",
+ session_handle (quic_session), ctx->c_c_index);
+ quic_session->session_state = SESSION_STATE_LISTENING;
+ ctx->c_s_index = quic_session->session_index;
+
+ lctx = quic_ctx_get (ctx->listener_ctx_id, 0);
+
+ quic_session->app_wrk_index = lctx->parent_app_wrk_id;
+ quic_session->connection_index = ctx->c_c_index;
+ quic_session->session_type =
+ session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, ctx->udp_is_ip4);
+ quic_session->listener_handle = lctx->c_s_index;
+
+ /* Register connection in connections map */
+ quic_make_connection_key (&kv, quicly_get_master_id (conn));
+ kv.value = ((u64) pctx->thread_index) << 32 | (u64) pctx->ctx_index;
+ clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 1 /* is_add */ );
+ QUIC_DBG (2, "Registering conn with id %lu %lu", kv.key[0], kv.key[1]);
+
+ /* If notify fails, reset connection immediatly */
+ if ((rv = app_worker_init_accepted (quic_session)))
+ {
+ QUIC_ERR ("failed to allocate fifos");
+ quic_proto_on_close (pctx->ctx_index, pctx->thread_index);
+ return;
+ }
- session_send_rpc_evt_to_thread_force (vlib_get_thread_index (),
- &quic_delayed_create_app_session,
- (void *) (u64) ctx_index);
- if (quic_send_packets (ctx))
+ app_wrk = app_worker_get (quic_session->app_wrk_index);
+ if ((rv = app_worker_accept_notify (app_wrk, quic_session)))
{
- quic_connection_closed (ctx_index);
+ QUIC_ERR ("failed to notify accept worker app");
+ quic_proto_on_close (pctx->ctx_index, pctx->thread_index);
+ return;
}
- return 0;
+
+ ctx->conn_state = QUIC_CONN_STATE_READY;
}
static int
-quic_reset_connection (quicly_context_t * quicly_ctx, u64 quic_session_handle,
- struct sockaddr *sa, socklen_t salen,
- quicly_decoded_packet_t packet)
+quic_reset_connection (u64 udp_session_handle, quic_rx_packet_ctx_t * pctx)
{
- /* short header packet; potentially a dead connection. No need to check the length of the incoming packet,
- * because loop is prevented by authenticating the CID (by checking node_id and thread_id). If the peer is also
- * sending a reset, then the next CID is highly likely to contain a non-authenticating CID, ... */
+ /* short header packet; potentially a dead connection. No need to check the
+ * length of the incoming packet, because loop is prevented by authenticating
+ * the CID (by checking node_id and thread_id). If the peer is also sending a
+ * reset, then the next CID is highly likely to contain a non-authenticating
+ * CID, ... */
QUIC_DBG (2, "Sending stateless reset");
+ int rv;
quicly_datagram_t *dgram;
- session_t *quic_session;
- if (packet.cid.dest.plaintext.node_id == 0
- && packet.cid.dest.plaintext.thread_id == 0)
- {
- dgram = quicly_send_stateless_reset (quicly_ctx, sa, salen,
- &packet.cid.dest.plaintext);
- quic_session = session_get_from_handle (quic_session_handle);
- if (quic_send_datagram (quic_session, dgram)) // TODO : missing event on fifo
- QUIC_DBG (2, "Send reset failed");
- }
- return 0;
+ session_t *udp_session;
+ quicly_context_t *quicly_ctx;
+ if (pctx->packet.cid.dest.plaintext.node_id != 0
+ || pctx->packet.cid.dest.plaintext.thread_id != 0)
+ return 0;
+ quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle);
+ dgram = quicly_send_stateless_reset (quicly_ctx, &pctx->sa, NULL,
+ &pctx->packet.cid.dest.plaintext);
+ if (dgram == NULL)
+ return 1;
+ udp_session = session_get_from_handle (udp_session_handle);
+ rv = quic_send_datagram (udp_session, dgram);
+ quic_set_udp_tx_evt (udp_session);
+ return rv;
}
-int
-quic_app_rx_callback (session_t * quic_session)
+static int
+quic_process_one_rx_packet (u64 udp_session_handle, svm_fifo_t * f,
+ u32 fifo_offset, quic_rx_packet_ctx_t * pctx)
{
- // Read data from UDP rx_fifo and pass it to the quicly conn.
- QUIC_DBG (2, "Called quic_app_rx_callback");
-
- quicly_decoded_packet_t packet;
- session_dgram_hdr_t ph;
- application_t *app;
- quicly_conn_t *conn = NULL;
- quic_ctx_t *lctx, *ctx = NULL;
- svm_fifo_t *f;
size_t plen;
- struct sockaddr_in6 sa6;
- struct sockaddr *sa = (struct sockaddr *) &sa6;
- socklen_t salen;
- u32 max_deq, len;
- u8 *data;
- u32 lctx_index = quic_session->opaque;
- u64 quic_session_handle = session_handle (quic_session);
+ u32 full_len, ret;
+ u32 thread_index = vlib_get_thread_index ();
+ u32 cur_deq = svm_fifo_max_dequeue (f) - fifo_offset;
+ quicly_context_t *quicly_ctx;
+ session_t *udp_session;
+ int rv;
+
+ ret = svm_fifo_peek (f, fifo_offset,
+ SESSION_CONN_HDR_LEN, (u8 *) & pctx->ph);
+ QUIC_ASSERT (ret == SESSION_CONN_HDR_LEN);
+ QUIC_ASSERT (pctx->ph.data_offset == 0);
+ full_len = pctx->ph.data_length + SESSION_CONN_HDR_LEN;
+ if (full_len > cur_deq)
+ {
+ QUIC_ERR ("Not enough data in fifo RX");
+ return 1;
+ }
- f = quic_session->rx_fifo;
+ /* Quicly can read len bytes from the fifo at offset:
+ * ph.data_offset + SESSION_CONN_HDR_LEN */
+ ret = svm_fifo_peek (f, SESSION_CONN_HDR_LEN + fifo_offset,
+ pctx->ph.data_length, pctx->data);
+ if (ret != pctx->ph.data_length)
+ {
+ QUIC_ERR ("Not enough data peeked in RX");
+ return 1;
+ }
- do
+ quic_increment_counter (QUIC_ERROR_RX_PACKETS, 1);
+ quic_build_sockaddr (&pctx->sa, &pctx->salen, &pctx->ph.rmt_ip,
+ pctx->ph.rmt_port, pctx->ph.is_ip4);
+ quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle);
+ plen = quicly_decode_packet (quicly_ctx, &pctx->packet,
+ pctx->data, pctx->ph.data_length);
+
+ if (plen == SIZE_MAX)
{
- conn = NULL;
- max_deq = svm_fifo_max_dequeue (f);
- if (max_deq < sizeof (session_dgram_hdr_t))
+ return 1;
+ }
+
+ rv = quic_find_packet_ctx (pctx, thread_index);
+ if (rv == QUIC_PACKET_TYPE_RECEIVE)
+ {
+ pctx->ptype = QUIC_PACKET_TYPE_RECEIVE;
+ if (quic_main.vnet_crypto_enabled)
{
- svm_fifo_unset_event (f);
- return 0;
+ quic_ctx_t *qctx = quic_ctx_get (pctx->ctx_index, thread_index);
+ quic_crypto_decrypt_packet (qctx, pctx);
}
- QUIC_DBG (2, "Processing one packet at %ld", quic_get_time (NULL));
+ return 0;
+ }
+ else if (rv == QUIC_PACKET_TYPE_MIGRATE)
+ {
+ pctx->ptype = QUIC_PACKET_TYPE_MIGRATE;
+ /* Connection found but on wrong thread, ask move */
+ }
+ else if (QUICLY_PACKET_IS_LONG_HEADER (pctx->packet.octets.base[0]))
+ {
+ pctx->ptype = QUIC_PACKET_TYPE_ACCEPT;
+ udp_session = session_get_from_handle (udp_session_handle);
+ pctx->ctx_index = udp_session->opaque;
+ pctx->thread_index = thread_index;
+ }
+ else
+ {
+ pctx->ptype = QUIC_PACKET_TYPE_RESET;
+ }
+ return 1;
+}
+
+static int
+quic_udp_session_rx_callback (session_t * udp_session)
+{
+ /* Read data from UDP rx_fifo and pass it to the quicly conn. */
+ quic_main_t *qm = &quic_main;
+ quic_ctx_t *ctx = NULL, *prev_ctx = NULL;
+ svm_fifo_t *f = udp_session->rx_fifo;
+ u32 max_deq;
+ u64 udp_session_handle = session_handle (udp_session);
+ int rv = 0;
+ u32 thread_index = vlib_get_thread_index ();
+ u32 cur_deq, fifo_offset, max_packets, i;
+
+ quic_rx_packet_ctx_t packets_ctx[QUIC_RCV_MAX_BATCH_PACKETS];
+
+ if (udp_session->flags & SESSION_F_IS_MIGRATING)
+ {
+ QUIC_DBG (3, "RX on migrating udp session");
+ return 0;
+ }
- svm_fifo_unset_event (f);
- svm_fifo_peek (f, 0, sizeof (ph), (u8 *) & ph);
- ASSERT (ph.data_length >= ph.data_offset);
- len = ph.data_length - ph.data_offset;
+rx_start:
+ max_deq = svm_fifo_max_dequeue (f);
+ if (max_deq == 0)
+ return 0;
- quic_build_sockaddr (sa, &salen, &ph.rmt_ip, ph.rmt_port, ph.is_ip4);
+ fifo_offset = 0;
+ max_packets = QUIC_RCV_MAX_BATCH_PACKETS;
+
+#if CLIB_DEBUG > 0
+ clib_memset (packets_ctx, 0xfa,
+ QUIC_RCV_MAX_BATCH_PACKETS * sizeof (quic_rx_packet_ctx_t));
+#endif
+
+ for (i = 0; i < max_packets; i++)
+ {
+ packets_ctx[i].thread_index = UINT32_MAX;
+ packets_ctx[i].ctx_index = UINT32_MAX;
+ packets_ctx[i].ptype = QUIC_PACKET_TYPE_DROP;
- // Quicly can read len bytes from the fifo at offset:
- // ph.data_offset + SESSION_CONN_HDR_LEN
- data = svm_fifo_head (f) + ph.data_offset + SESSION_CONN_HDR_LEN;
+ cur_deq = max_deq - fifo_offset;
+ if (cur_deq == 0)
+ {
+ max_packets = i + 1;
+ break;
+ }
+ if (cur_deq < SESSION_CONN_HDR_LEN)
+ {
+ fifo_offset = max_deq;
+ max_packets = i + 1;
+ QUIC_ERR ("Fifo %d < header size in RX", cur_deq);
+ break;
+ }
+ rv = quic_process_one_rx_packet (udp_session_handle, f,
+ fifo_offset, &packets_ctx[i]);
+ if (packets_ctx[i].ptype != QUIC_PACKET_TYPE_MIGRATE)
+ fifo_offset += SESSION_CONN_HDR_LEN + packets_ctx[i].ph.data_length;
+ if (rv)
+ {
+ max_packets = i + 1;
+ break;
+ }
+ }
- lctx = quic_ctx_get (lctx_index);
- app = application_get (lctx->c_quic_ctx_id.parent_app_id);
+ quic_crypto_batch_rx_packets (&qm->
+ wrk_ctx[thread_index].crypto_context_batch);
- plen =
- quicly_decode_packet ((quicly_context_t *) app->quicly_ctx, &packet,
- data, len);
- if (plen != SIZE_MAX)
+ for (i = 0; i < max_packets; i++)
+ {
+ switch (packets_ctx[i].ptype)
{
- quic_find_packet_ctx (&ctx, &conn, sa, salen, packet);
- if (conn != NULL)
- quic_receive (ctx, conn, packet);
- else if (QUICLY_PACKET_IS_LONG_HEADER (packet.octets.base[0]))
- quic_create_connection ((quicly_context_t *) app->quicly_ctx,
- quic_session_handle, lctx_index, conn,
- sa, salen, packet);
- else if (((quicly_context_t *) app->quicly_ctx)->encrypt_cid)
- quic_reset_connection ((quicly_context_t *) app->quicly_ctx,
- quic_session_handle, sa, salen, packet);
+ case QUIC_PACKET_TYPE_RECEIVE:
+ ctx = quic_ctx_get (packets_ctx[i].ctx_index, thread_index);
+ rv = quicly_receive (ctx->conn, NULL, &packets_ctx[i].sa,
+ &packets_ctx[i].packet);
+ if (rv && rv != QUICLY_ERROR_PACKET_IGNORED)
+ {
+ QUIC_ERR ("quicly_receive return error %U",
+ quic_format_err, rv);
+ }
+ break;
+ case QUIC_PACKET_TYPE_ACCEPT:
+ quic_accept_connection (&packets_ctx[i]);
+ break;
+ case QUIC_PACKET_TYPE_RESET:
+ quic_reset_connection (udp_session_handle, &packets_ctx[i]);
+ break;
}
- svm_fifo_dequeue_drop (f,
- ph.data_length + ph.data_offset +
- SESSION_CONN_HDR_LEN);
}
- while (1);
+ ctx = prev_ctx = NULL;
+ for (i = 0; i < max_packets; i++)
+ {
+ prev_ctx = ctx;
+ switch (packets_ctx[i].ptype)
+ {
+ case QUIC_PACKET_TYPE_RECEIVE:
+ ctx = quic_ctx_get (packets_ctx[i].ctx_index,
+ packets_ctx[i].thread_index);
+ quic_check_quic_session_connected (ctx);
+ ctx = quic_ctx_get (packets_ctx[i].ctx_index,
+ packets_ctx[i].thread_index);
+ break;
+ case QUIC_PACKET_TYPE_ACCEPT:
+ ctx = quic_ctx_get (packets_ctx[i].ctx_index,
+ packets_ctx[i].thread_index);
+ break;
+ default:
+ continue; /* this exits the for loop since other packet types are
+ necessarily the last in the batch */
+ }
+ if (ctx != prev_ctx)
+ quic_send_packets (ctx);
+ }
+
+ udp_session = session_get_from_handle (udp_session_handle); /* session alloc might have happened */
+ f = udp_session->rx_fifo;
+ svm_fifo_dequeue_drop (f, fifo_offset);
+
+ if (svm_fifo_max_dequeue (f))
+ goto rx_start;
+
return 0;
}
-/*****************************************************************************
- * END TRANSPORT PROTO FUNCTIONS
-*****************************************************************************/
+always_inline void
+quic_common_get_transport_endpoint (quic_ctx_t * ctx,
+ transport_endpoint_t * tep, u8 is_lcl)
+{
+ session_t *udp_session;
+ if (!quic_ctx_is_stream (ctx))
+ {
+ udp_session = session_get_from_handle (ctx->udp_session_handle);
+ session_get_endpoint (udp_session, tep, is_lcl);
+ }
+}
+
+static void
+quic_get_transport_listener_endpoint (u32 listener_index,
+ transport_endpoint_t * tep, u8 is_lcl)
+{
+ quic_ctx_t *ctx;
+ app_listener_t *app_listener;
+ session_t *udp_listen_session;
+ ctx = quic_ctx_get (listener_index, vlib_get_thread_index ());
+ if (quic_ctx_is_listener (ctx))
+ {
+ app_listener = app_listener_get_w_handle (ctx->udp_session_handle);
+ udp_listen_session = app_listener_get_session (app_listener);
+ return session_get_endpoint (udp_listen_session, tep, is_lcl);
+ }
+ quic_common_get_transport_endpoint (ctx, tep, is_lcl);
+}
+
+static void
+quic_get_transport_endpoint (u32 ctx_index, u32 thread_index,
+ transport_endpoint_t * tep, u8 is_lcl)
+{
+ quic_ctx_t *ctx;
+ ctx = quic_ctx_get (ctx_index, thread_index);
+ quic_common_get_transport_endpoint (ctx, tep, is_lcl);
+}
/* *INDENT-OFF* */
static session_cb_vft_t quic_app_cb_vft = {
- .session_accept_callback = NULL,
- .session_disconnect_callback = quic_session_disconnect_callback,
- .session_connected_callback = quic_session_connected_callback,
- .session_reset_callback = quic_session_reset_callback,
+ .session_accept_callback = quic_udp_session_accepted_callback,
+ .session_disconnect_callback = quic_udp_session_disconnect_callback,
+ .session_connected_callback = quic_udp_session_connected_callback,
+ .session_reset_callback = quic_udp_session_reset_callback,
+ .session_migrate_callback = quic_udp_session_migrate_callback,
.add_segment_callback = quic_add_segment_callback,
.del_segment_callback = quic_del_segment_callback,
- .builtin_app_rx_callback = quic_app_rx_callback,
+ .builtin_app_rx_callback = quic_udp_session_rx_callback,
+ .session_cleanup_callback = quic_udp_session_cleanup_callback,
+ .app_cert_key_pair_delete_callback = quic_app_cert_key_pair_delete_callback,
};
-const static transport_proto_vft_t quic_proto = {
+static const transport_proto_vft_t quic_proto = {
.connect = quic_connect,
- .close = quic_disconnect,
+ .close = quic_proto_on_close,
.start_listen = quic_start_listen,
.stop_listen = quic_stop_listen,
.get_connection = quic_connection_get,
.get_listener = quic_listener_get,
.update_time = quic_update_time,
+ .app_rx_evt = quic_custom_app_rx_callback,
.custom_tx = quic_custom_tx_callback,
- .tx_type = TRANSPORT_TX_INTERNAL,
- .service_type = TRANSPORT_SERVICE_APP,
.format_connection = format_quic_connection,
.format_half_open = format_quic_half_open,
.format_listener = format_quic_listener,
+ .get_transport_endpoint = quic_get_transport_endpoint,
+ .get_transport_listener_endpoint = quic_get_transport_listener_endpoint,
+ .transport_options = {
+ .name = "quic",
+ .short_name = "Q",
+ .tx_type = TRANSPORT_TX_INTERNAL,
+ .service_type = TRANSPORT_SERVICE_APP,
+ },
};
/* *INDENT-ON* */
+static quicly_stream_open_t on_stream_open = { quic_on_stream_open };
+static quicly_closed_by_peer_t on_closed_by_peer = { quic_on_closed_by_peer };
+static quicly_now_t quicly_vpp_now_cb = { quic_get_time };
+
+static void
+quic_register_cipher_suite (crypto_engine_type_t type,
+ ptls_cipher_suite_t ** ciphers)
+{
+ quic_main_t *qm = &quic_main;
+ vec_validate (qm->quic_ciphers, type);
+ clib_bitmap_set (qm->available_crypto_engines, type, 1);
+ qm->quic_ciphers[type] = ciphers;
+}
+
+static void
+quic_update_fifo_size ()
+{
+ quic_main_t *qm = &quic_main;
+ segment_manager_props_t *seg_mgr_props =
+ application_get_segment_manager_properties (qm->app_index);
+
+ if (!seg_mgr_props)
+ {
+ clib_warning
+ ("error while getting segment_manager_props_t, can't update fifo-size");
+ return;
+ }
+
+ seg_mgr_props->tx_fifo_size = qm->udp_fifo_size;
+ seg_mgr_props->rx_fifo_size = qm->udp_fifo_size;
+}
+
static clib_error_t *
quic_init (vlib_main_t * vm)
{
- QUIC_DBG (2, "Called quic_init");
+ u32 segment_size = 256 << 20;
vlib_thread_main_t *vtm = vlib_get_thread_main ();
+ tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
vnet_app_attach_args_t _a, *a = &_a;
u64 options[APP_OPTIONS_N_OPTIONS];
- u32 segment_size = 512 << 20;
quic_main_t *qm = &quic_main;
- u32 fifo_size = 64 << 10;
- u32 num_threads;
+ u32 num_threads, i;
num_threads = 1 /* main thread */ + vtm->n_threads;
- memset (a, 0, sizeof (*a));
- memset (options, 0, sizeof (options));
+ clib_memset (a, 0, sizeof (*a));
+ clib_memset (options, 0, sizeof (options));
a->session_cb_vft = &quic_app_cb_vft;
a->api_client_index = APP_INVALID_INDEX;
a->options = options;
a->name = format (0, "quic");
a->options[APP_OPTIONS_SEGMENT_SIZE] = segment_size;
- a->options[APP_OPTIONS_RX_FIFO_SIZE] = fifo_size;
- a->options[APP_OPTIONS_TX_FIFO_SIZE] = fifo_size;
+ a->options[APP_OPTIONS_ADD_SEGMENT_SIZE] = segment_size;
+ a->options[APP_OPTIONS_RX_FIFO_SIZE] = qm->udp_fifo_size;
+ a->options[APP_OPTIONS_TX_FIFO_SIZE] = qm->udp_fifo_size;
+ a->options[APP_OPTIONS_PREALLOC_FIFO_PAIRS] = qm->udp_fifo_prealloc;
a->options[APP_OPTIONS_FLAGS] = APP_OPTIONS_FLAGS_IS_BUILTIN;
a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_USE_GLOBAL_SCOPE;
a->options[APP_OPTIONS_FLAGS] |= APP_OPTIONS_FLAGS_IS_TRANSPORT_APP;
vec_validate (qm->ctx_pool, num_threads - 1);
vec_validate (qm->wrk_ctx, num_threads - 1);
- // Timers, one per thread.
- tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
- /* *INDENT-OFF* */
- foreach_vlib_main (({
- tw = &qm->wrk_ctx[ii].timer_wheel;
- tw_timer_wheel_init_1t_3w_1024sl_ov (tw, quic_expired_timers_dispatch,
- 10e-3 /* timer period 1ms */ , ~0);
- tw->last_run_time = vlib_time_now (this_vlib_main);
- }));
- /* *INDENT-ON* */
- if (!qm->ca_cert_path)
- qm->ca_cert_path = QUIC_DEFAULT_CA_CERT_PATH;
+ for (i = 0; i < num_threads; i++)
+ {
+ qm->wrk_ctx[i].next_cid.thread_id = i;
+ tw = &qm->wrk_ctx[i].timer_wheel;
+ tw_timer_wheel_init_1t_3w_1024sl_ov (tw, quic_expired_timers_dispatch,
+ 1e-3 /* timer period 1ms */ , ~0);
+ tw->last_run_time = vlib_time_now (vlib_get_main ());
+ clib_bihash_init_24_8 (&qm->wrk_ctx[i].crypto_context_hash,
+ "quic crypto contexts", 64, 128 << 10);
+
+ qm->wrk_ctx[i].crypto_context_batch.nb_rx_packets = 0;
+ qm->wrk_ctx[i].crypto_context_batch.nb_tx_packets = 0;
+ }
+
+ clib_bihash_init_16_8 (&qm->connection_hash, "quic connections", 1024,
+ 4 << 20);
qm->app_index = a->app_index;
- clib_rwlock_init (&qm->half_open_rwlock);
qm->tstamp_ticks_per_clock = vm->clib_time.seconds_per_clock
/ QUIC_TSTAMP_RESOLUTION;
+ qm->session_cache.super.cb = quic_encrypt_ticket_cb;
transport_register_protocol (TRANSPORT_PROTO_QUIC, &quic_proto,
FIB_PROTOCOL_IP4, ~0);
transport_register_protocol (TRANSPORT_PROTO_QUIC, &quic_proto,
FIB_PROTOCOL_IP6, ~0);
+ clib_bitmap_alloc (qm->available_crypto_engines,
+ app_crypto_engine_n_types ());
+ quic_register_cipher_suite (CRYPTO_ENGINE_VPP, quic_crypto_cipher_suites);
+ quic_register_cipher_suite (CRYPTO_ENGINE_PICOTLS,
+ ptls_openssl_cipher_suites);
+ qm->default_crypto_engine = CRYPTO_ENGINE_VPP;
+ qm->max_packets_per_key = DEFAULT_MAX_PACKETS_PER_KEY;
+ clib_rwlock_init (&qm->crypto_keys_quic_rw_lock);
+
+ vnet_crypto_main_t *cm = &crypto_main;
+ if (vec_len (cm->engines) == 0)
+ qm->vnet_crypto_enabled = 0;
+ else
+ qm->vnet_crypto_enabled = 1;
+
vec_free (a->name);
return 0;
}
-quic_main_t *
-vnet_quic_get_main (void)
+VLIB_INIT_FUNCTION (quic_init);
+
+static clib_error_t *
+quic_plugin_crypto_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
{
- return &quic_main;
+ quic_main_t *qm = &quic_main;
+ if (unformat_check_input (input) == UNFORMAT_END_OF_INPUT)
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ if (unformat (input, "vpp"))
+ qm->default_crypto_engine = CRYPTO_ENGINE_VPP;
+ else if (unformat (input, "picotls"))
+ qm->default_crypto_engine = CRYPTO_ENGINE_PICOTLS;
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ return 0;
}
-VLIB_INIT_FUNCTION (quic_init);
+u64 quic_fifosize = 0;
+static clib_error_t *
+quic_plugin_set_fifo_size_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ quic_main_t *qm = &quic_main;
+ unformat_input_t _line_input, *line_input = &_line_input;
+ uword tmp;
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ return 0;
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "%U", unformat_memory_size, &tmp))
+ {
+ if (tmp >= 0x100000000ULL)
+ {
+ return clib_error_return
+ (0, "fifo-size %llu (0x%llx) too large", tmp, tmp);
+ }
+ qm->udp_fifo_size = tmp;
+ quic_update_fifo_size ();
+ }
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ }
+
+ return 0;
+}
+
+static inline u64
+quic_get_counter_value (u32 event_code)
+{
+ vlib_node_t *n;
+ vlib_main_t *vm;
+ vlib_error_main_t *em;
+
+ u32 code, i;
+ u64 c, sum = 0;
+ int index = 0;
+
+ vm = vlib_get_main ();
+ em = &vm->error_main;
+ n = vlib_get_node (vm, quic_input_node.index);
+ code = event_code;
+ /* *INDENT-OFF* */
+ foreach_vlib_main(({
+ em = &this_vlib_main->error_main;
+ i = n->error_heap_index + code;
+ c = em->counters[i];
+
+ if (i < vec_len (em->counters_last_clear))
+ c -= em->counters_last_clear[i];
+ sum += c;
+ index++;
+ }));
+ /* *INDENT-ON* */
+ return sum;
+}
+
+static void
+quic_show_aggregated_stats (vlib_main_t * vm)
+{
+ u32 num_workers = vlib_num_workers ();
+ quic_main_t *qm = &quic_main;
+ quic_ctx_t *ctx = NULL;
+ quicly_stats_t st, agg_stats;
+ u32 i, nconn = 0, nstream = 0;
+
+ clib_memset (&agg_stats, 0, sizeof (agg_stats));
+ for (i = 0; i < num_workers + 1; i++)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (ctx, qm->ctx_pool[i],
+ ({
+ if (quic_ctx_is_conn (ctx) && ctx->conn)
+ {
+ quicly_get_stats (ctx->conn, &st);
+ agg_stats.rtt.smoothed += st.rtt.smoothed;
+ agg_stats.rtt.minimum += st.rtt.minimum;
+ agg_stats.rtt.variance += st.rtt.variance;
+ agg_stats.num_packets.received += st.num_packets.received;
+ agg_stats.num_packets.sent += st.num_packets.sent;
+ agg_stats.num_packets.lost += st.num_packets.lost;
+ agg_stats.num_packets.ack_received += st.num_packets.ack_received;
+ agg_stats.num_bytes.received += st.num_bytes.received;
+ agg_stats.num_bytes.sent += st.num_bytes.sent;
+ nconn++;
+ }
+ else if (quic_ctx_is_stream (ctx))
+ nstream++;
+ }));
+ /* *INDENT-ON* */
+ }
+ vlib_cli_output (vm, "-------- Connections --------");
+ vlib_cli_output (vm, "Current: %u", nconn);
+ vlib_cli_output (vm, "Opened: %d",
+ quic_get_counter_value (QUIC_ERROR_OPENED_CONNECTION));
+ vlib_cli_output (vm, "Closed: %d",
+ quic_get_counter_value (QUIC_ERROR_CLOSED_CONNECTION));
+ vlib_cli_output (vm, "---------- Streams ----------");
+ vlib_cli_output (vm, "Current: %u", nstream);
+ vlib_cli_output (vm, "Opened: %d",
+ quic_get_counter_value (QUIC_ERROR_OPENED_STREAM));
+ vlib_cli_output (vm, "Closed: %d",
+ quic_get_counter_value (QUIC_ERROR_CLOSED_STREAM));
+ vlib_cli_output (vm, "---------- Packets ----------");
+ vlib_cli_output (vm, "RX Total: %d",
+ quic_get_counter_value (QUIC_ERROR_RX_PACKETS));
+ vlib_cli_output (vm, "RX 0RTT: %d",
+ quic_get_counter_value (QUIC_ERROR_ZERO_RTT_RX_PACKETS));
+ vlib_cli_output (vm, "RX 1RTT: %d",
+ quic_get_counter_value (QUIC_ERROR_ONE_RTT_RX_PACKETS));
+ vlib_cli_output (vm, "TX Total: %d",
+ quic_get_counter_value (QUIC_ERROR_TX_PACKETS));
+ vlib_cli_output (vm, "----------- Stats -----------");
+ vlib_cli_output (vm, "Min RTT %f",
+ nconn > 0 ? agg_stats.rtt.minimum / nconn : 0);
+ vlib_cli_output (vm, "Smoothed RTT %f",
+ nconn > 0 ? agg_stats.rtt.smoothed / nconn : 0);
+ vlib_cli_output (vm, "Variance on RTT %f",
+ nconn > 0 ? agg_stats.rtt.variance / nconn : 0);
+ vlib_cli_output (vm, "Packets Received %lu",
+ agg_stats.num_packets.received);
+ vlib_cli_output (vm, "Packets Sent %lu", agg_stats.num_packets.sent);
+ vlib_cli_output (vm, "Packets Lost %lu", agg_stats.num_packets.lost);
+ vlib_cli_output (vm, "Packets Acks %lu",
+ agg_stats.num_packets.ack_received);
+ vlib_cli_output (vm, "RX bytes %lu", agg_stats.num_bytes.received);
+ vlib_cli_output (vm, "TX bytes %lu", agg_stats.num_bytes.sent);
+}
+
+static u8 *
+quic_format_quicly_conn_id (u8 * s, va_list * args)
+{
+ quicly_cid_plaintext_t *mid = va_arg (*args, quicly_cid_plaintext_t *);
+ s = format (s, "C%x_%x", mid->master_id, mid->thread_id);
+ return s;
+}
+
+static u8 *
+quic_format_quicly_stream_id (u8 * s, va_list * args)
+{
+ quicly_stream_t *stream = va_arg (*args, quicly_stream_t *);
+ s =
+ format (s, "%U S%lx", quic_format_quicly_conn_id,
+ quicly_get_master_id (stream->conn), stream->stream_id);
+ return s;
+}
+
+static u8 *
+quic_format_listener_ctx (u8 * s, va_list * args)
+{
+ quic_ctx_t *ctx = va_arg (*args, quic_ctx_t *);
+ s = format (s, "[#%d][%x][Listener]", ctx->c_thread_index, ctx->c_c_index);
+ return s;
+}
+
+static u8 *
+quic_format_connection_ctx (u8 * s, va_list * args)
+{
+ quic_ctx_t *ctx = va_arg (*args, quic_ctx_t *);
+ quicly_stats_t quicly_stats;
+
+ s = format (s, "[#%d][%x]", ctx->c_thread_index, ctx->c_c_index);
+
+ if (!ctx->conn)
+ {
+ s = format (s, "- no conn -\n");
+ return s;
+ }
+ s = format (s, "[%U]",
+ quic_format_quicly_conn_id, quicly_get_master_id (ctx->conn));
+ quicly_get_stats (ctx->conn, &quicly_stats);
+
+ s = format (s, "[RTT >%3d, ~%3d, V%3d, last %3d]",
+ quicly_stats.rtt.minimum, quicly_stats.rtt.smoothed,
+ quicly_stats.rtt.variance, quicly_stats.rtt.latest);
+ s = format (s, " TX:%d RX:%d loss:%d ack:%d",
+ quicly_stats.num_packets.sent,
+ quicly_stats.num_packets.received,
+ quicly_stats.num_packets.lost,
+ quicly_stats.num_packets.ack_received);
+ return s;
+}
+
+static u8 *
+quic_format_stream_ctx (u8 * s, va_list * args)
+{
+ quic_ctx_t *ctx = va_arg (*args, quic_ctx_t *);
+ session_t *stream_session;
+ quicly_stream_t *stream = ctx->stream;
+ u32 txs, rxs;
+
+ s = format (s, "[#%d][%x]", ctx->c_thread_index, ctx->c_c_index);
+ s = format (s, "[%U]", quic_format_quicly_stream_id, stream);
+
+ stream_session = session_get_if_valid (ctx->c_s_index, ctx->c_thread_index);
+ if (!stream_session)
+ {
+ s = format (s, "- no session -\n");
+ return s;
+ }
+ txs = svm_fifo_max_dequeue (stream_session->tx_fifo);
+ rxs = svm_fifo_max_dequeue (stream_session->rx_fifo);
+ s = format (s, "[rx %d tx %d]\n", rxs, txs);
+ return s;
+}
+
+static clib_error_t *
+quic_show_connections_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ u8 show_listeners = 0, show_conn = 0, show_stream = 0;
+ u32 num_workers = vlib_num_workers ();
+ quic_main_t *qm = &quic_main;
+ clib_error_t *error = 0;
+ quic_ctx_t *ctx = NULL;
+
+ session_cli_return_if_not_enabled ();
+
+ if (!unformat_user (input, unformat_line_input, line_input))
+ {
+ quic_show_aggregated_stats (vm);
+ return 0;
+ }
+
+ while (unformat_check_input (line_input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (line_input, "listener"))
+ show_listeners = 1;
+ else if (unformat (line_input, "conn"))
+ show_conn = 1;
+ else if (unformat (line_input, "stream"))
+ show_stream = 1;
+ else
+ {
+ error = clib_error_return (0, "unknown input `%U'",
+ format_unformat_error, line_input);
+ goto done;
+ }
+ }
+
+ for (int i = 0; i < num_workers + 1; i++)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (ctx, qm->ctx_pool[i],
+ ({
+ if (quic_ctx_is_stream (ctx) && show_stream)
+ vlib_cli_output (vm, "%U", quic_format_stream_ctx, ctx);
+ else if (quic_ctx_is_listener (ctx) && show_listeners)
+ vlib_cli_output (vm, "%U", quic_format_listener_ctx, ctx);
+ else if (quic_ctx_is_conn (ctx) && show_conn)
+ vlib_cli_output (vm, "%U", quic_format_connection_ctx, ctx);
+ }));
+ /* *INDENT-ON* */
+ }
+
+done:
+ unformat_free (line_input);
+ return error;
+}
/* *INDENT-OFF* */
+VLIB_CLI_COMMAND (quic_plugin_crypto_command, static) =
+{
+ .path = "quic set crypto api",
+ .short_help = "quic set crypto api [picotls, vpp]",
+ .function = quic_plugin_crypto_command_fn,
+};
+VLIB_CLI_COMMAND(quic_plugin_set_fifo_size_command, static)=
+{
+ .path = "quic set fifo-size",
+ .short_help = "quic set fifo-size N[K|M|G] (default 64K)",
+ .function = quic_plugin_set_fifo_size_command_fn,
+};
+VLIB_CLI_COMMAND(quic_show_ctx_command, static)=
+{
+ .path = "show quic",
+ .short_help = "show quic",
+ .function = quic_show_connections_command_fn,
+};
+VLIB_CLI_COMMAND (quic_list_crypto_context_command, static) =
+{
+ .path = "show quic crypto context",
+ .short_help = "list quic crypto contextes",
+ .function = quic_list_crypto_context_command_fn,
+};
+VLIB_CLI_COMMAND (quic_set_max_packets_per_key, static) =
+{
+ .path = "set quic max_packets_per_key",
+ .short_help = "set quic max_packets_per_key 16777216",
+ .function = quic_set_max_packets_per_key_fn,
+};
VLIB_PLUGIN_REGISTER () =
{
.version = VPP_BUILD_VER,
.description = "Quic transport protocol",
+ .default_disabled = 1,
+};
+/* *INDENT-ON* */
+
+static clib_error_t *
+quic_config_fn (vlib_main_t * vm, unformat_input_t * input)
+{
+ quic_main_t *qm = &quic_main;
+ uword tmp;
+ u32 i;
+
+ qm->udp_fifo_size = QUIC_DEFAULT_FIFO_SIZE;
+ qm->udp_fifo_prealloc = 0;
+ qm->connection_timeout = QUIC_DEFAULT_CONN_TIMEOUT;
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (input, "fifo-size %U", unformat_memory_size, &tmp))
+ {
+ if (tmp >= 0x100000000ULL)
+ {
+ return clib_error_return (0,
+ "fifo-size %llu (0x%llx) too large",
+ tmp, tmp);
+ }
+ qm->udp_fifo_size = tmp;
+ }
+ else if (unformat (input, "conn-timeout %u", &i))
+ qm->connection_timeout = i;
+ else if (unformat (input, "fifo-prealloc %u", &i))
+ qm->udp_fifo_prealloc = i;
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ }
+
+ return 0;
+}
+
+VLIB_EARLY_CONFIG_FUNCTION (quic_config_fn, "quic");
+
+static uword
+quic_node_fn (vlib_main_t * vm, vlib_node_runtime_t * node,
+ vlib_frame_t * frame)
+{
+ return 0;
+}
+
+/* *INDENT-OFF* */
+VLIB_REGISTER_NODE (quic_input_node) =
+{
+ .function = quic_node_fn,
+ .name = "quic-input",
+ .vector_size = sizeof (u32),
+ .type = VLIB_NODE_TYPE_INTERNAL,
+ .n_errors = ARRAY_LEN (quic_error_strings),
+ .error_strings = quic_error_strings,
};
/* *INDENT-ON* */
Code Review / vpp.git / blobdiff