#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 <quic/quic_crypto.h>
#include <quicly/defaults.h>
-#include <picotls/openssl.h>
-#include <picotls/pembase64.h>
-static quic_main_t quic_main;
+static char *quic_error_strings[] = {
+#define quic_error(n,s) s,
+#include "quic_error.def"
+#undef quic_error
+};
+static quic_main_t quic_main;
static void quic_update_timer (quic_ctx_t * ctx);
-static void quic_connection_closed (u32 conn_index, u32 thread_index);
-static void quic_disconnect (u32 ctx_index, u32 thread_index);
-static int quic_connect_new_stream (session_endpoint_cfg_t * sep);
-static int quic_connect_new_connection (session_endpoint_cfg_t * sep);
-
-static int64_t quic_get_time (quicly_now_t * self);
-static quicly_now_t quicly_vpp_now_cb = { quic_get_time };
+static int quic_check_quic_session_connected (quic_ctx_t * ctx);
-static void quic_transfer_connection (u32 ctx_index, u32 dest_thread);
-
-#define QUIC_TIMER_HANDLE_INVALID ((u32) ~0)
-#define QUIC_SESSION_INVALID ((u32) ~0 - 1)
-#define QUIC_MAX_PACKET_SIZE 1280
-
-#define QUIC_INT_MAX 0x3FFFFFFFFFFFFFFF
-
-/* Taken from quicly.c */
-#define QUICLY_QUIC_BIT 0x40
-
-#define QUICLY_PACKET_TYPE_INITIAL (QUICLY_LONG_HEADER_BIT | QUICLY_QUIC_BIT | 0)
-#define QUICLY_PACKET_TYPE_0RTT (QUICLY_LONG_HEADER_BIT | QUICLY_QUIC_BIT | 0x10)
-#define QUICLY_PACKET_TYPE_HANDSHAKE (QUICLY_LONG_HEADER_BIT | QUICLY_QUIC_BIT | 0x20)
-#define QUICLY_PACKET_TYPE_RETRY (QUICLY_LONG_HEADER_BIT | QUICLY_QUIC_BIT | 0x30)
-#define QUICLY_PACKET_TYPE_BITMASK 0xf0
-#define QUIC_FIFO_SIZE (64 << 10)
-
-#define QUIC_ERROR_FULL_FIFO 0xff10
-
-static char *
-quic_format_err (u64 code)
-{
- switch (code)
- {
- case QUIC_ERROR_FULL_FIFO:
- return "full fifo";
- case QUICLY_ERROR_PACKET_IGNORED:
- return "QUICLY_ERROR_PACKET_IGNORED";
- case QUICLY_ERROR_SENDBUF_FULL:
- return "QUICLY_ERROR_SENDBUF_FULL";
- case QUICLY_ERROR_FREE_CONNECTION:
- return "no open stream on connection";
- case QUICLY_ERROR_RECEIVED_STATELESS_RESET:
- return "QUICLY_ERROR_RECEIVED_STATELESS_RESET";
- case QUICLY_TRANSPORT_ERROR_NONE:
- return "QUICLY_TRANSPORT_ERROR_NONE";
- case QUICLY_TRANSPORT_ERROR_INTERNAL:
- return "QUICLY_TRANSPORT_ERROR_INTERNAL";
- case QUICLY_TRANSPORT_ERROR_SERVER_BUSY:
- return "QUICLY_TRANSPORT_ERROR_SERVER_BUSY";
- case QUICLY_TRANSPORT_ERROR_FLOW_CONTROL:
- return "QUICLY_TRANSPORT_ERROR_FLOW_CONTROL";
- case QUICLY_TRANSPORT_ERROR_STREAM_ID:
- return "QUICLY_TRANSPORT_ERROR_STREAM_ID";
- case QUICLY_TRANSPORT_ERROR_STREAM_STATE:
- return "QUICLY_TRANSPORT_ERROR_STREAM_STATE";
- case QUICLY_TRANSPORT_ERROR_FINAL_OFFSET:
- return "QUICLY_TRANSPORT_ERROR_FINAL_OFFSET";
- case QUICLY_TRANSPORT_ERROR_FRAME_ENCODING:
- return "QUICLY_TRANSPORT_ERROR_FRAME_ENCODING";
- case QUICLY_TRANSPORT_ERROR_TRANSPORT_PARAMETER:
- return "QUICLY_TRANSPORT_ERROR_TRANSPORT_PARAMETER";
- case QUICLY_TRANSPORT_ERROR_VERSION_NEGOTIATION:
- return "QUICLY_TRANSPORT_ERROR_VERSION_NEGOTIATION";
- case QUICLY_TRANSPORT_ERROR_PROTOCOL_VIOLATION:
- return "QUICLY_TRANSPORT_ERROR_PROTOCOL_VIOLATION";
- case QUICLY_TRANSPORT_ERROR_INVALID_MIGRATION:
- return "QUICLY_TRANSPORT_ERROR_INVALID_MIGRATION";
- case QUICLY_TRANSPORT_ERROR_TLS_ALERT_BASE:
- return "QUICLY_TRANSPORT_ERROR_TLS_ALERT_BASE";
- default:
- return "unknown error";
- }
-}
+/* Helper functions */
static u32
quic_ctx_alloc (u32 thread_index)
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;
- QUIC_DBG (1, "Allocated quic_ctx %u on thread %u",
+ 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;
if (CLIB_DEBUG)
- memset (ctx, 0xfb, sizeof (*ctx));
+ clib_memset (ctx, 0xfb, sizeof (*ctx));
pool_put (quic_main.ctx_pool[thread_index], ctx);
}
return pool_elt_at_index (quic_main.ctx_pool[thread_index], ctx_index);
}
+static quic_ctx_t *
+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);
+}
+
static quic_ctx_t *
quic_get_conn_ctx (quicly_conn_t * 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 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)
+{
+ return ctx->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 ctx->quicly_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);
+}
+
+/* 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);
+ 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);
+
+ 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.udp_session_handle,
+ .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)
+{
+ tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
+ clib_bihash_kv_16_8_t kv;
+ quicly_conn_t *conn;
+
+ QUIC_DBG (2, "Deleting connection %u", ctx->c_c_index);
+
+ ASSERT (!quic_ctx_is_stream (ctx));
+
+ /* Stop the timer */
+ if (ctx->timer_handle != QUIC_TIMER_HANDLE_INVALID)
+ {
+ tw = &quic_main.wrk_ctx[ctx->c_thread_index].timer_wheel;
+ tw_timer_stop_1t_3w_1024sl_ov (tw, ctx->timer_handle);
+ }
+
+ /* Delete the connection from the connection map */
+ conn = ctx->conn;
+ 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);
+ ctx->conn = NULL;
+
+ session_transport_delete_notify (&ctx->connection);
+ quic_ctx_free (ctx);
+}
+
+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 */
+ session_transport_delete_notify (&ctx->connection);
+ quic_connection_delete (ctx);
+ break;
+ case QUIC_CONN_STATE_PASSIVE_CLOSING_QUIC_CLOSED:
+ QUIC_DBG (0, "BUG");
+ break;
+ case QUIC_CONN_STATE_ACTIVE_CLOSING:
+ session_transport_delete_notify (&ctx->connection);
+ quic_connection_delete (ctx);
+ break;
+ default:
+ QUIC_DBG (0, "BUG %d", ctx->conn_state);
+ break;
+ }
}
static int
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;
u32 len, ret;
len = packet->data.len;
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))
- {
- QUIC_DBG (1, "Not enough space to enqueue header");
- return QUIC_ERROR_FULL_FIFO;
- }
-
- max_enqueue -= sizeof (session_dgram_hdr_t);
-
- if (max_enqueue < len)
+ if (max_enqueue < SESSION_CONN_HDR_LEN + len)
{
QUIC_DBG (1, "Too much data to send, max_enqueue %u, len %u",
- max_enqueue, len);
+ max_enqueue, len + SESSION_CONN_HDR_LEN);
return QUIC_ERROR_FULL_FIFO;
}
/* 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;
+ 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;
+ 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);
}
QUIC_DBG (1, "Not enough space to enqueue payload");
return QUIC_ERROR_FULL_FIFO;
}
- return 0;
-}
-#define QUIC_SEND_PACKET_VEC_SIZE 16
+ quic_increment_counter (QUIC_ERROR_TX_PACKETS, 1);
-static int
-quic_sendable_packet_count (session_t * udp_session)
-{
- u32 max_enqueue;
- max_enqueue = svm_fifo_max_enqueue (udp_session->tx_fifo);
- return clib_min (max_enqueue /
- (QUIC_MAX_PACKET_SIZE + sizeof (session_dgram_hdr_t)),
- QUIC_SEND_PACKET_VEC_SIZE);
+ return 0;
}
static int
session_t *udp_session;
quicly_conn_t *conn;
size_t num_packets, i, max_packets;
+ quicly_packet_allocator_t *pa;
quicly_context_t *quicly_context;
- app_worker_t *app_wrk;
- application_t *app;
- int err;
+ int err = 0;
/* We have sctx, get qctx */
- if (ctx->c_quic_ctx_id.is_stream)
- ctx =
- quic_ctx_get (ctx->c_quic_ctx_id.quic_connection_ctx_id,
- ctx->c_thread_index);
+ if (quic_ctx_is_stream (ctx))
+ ctx = quic_ctx_get (ctx->quic_connection_ctx_id, ctx->c_thread_index);
+
+ ASSERT (!quic_ctx_is_stream (ctx));
- ASSERT (!ctx->c_quic_ctx_id.is_stream);
+ udp_session = session_get_from_handle_if_valid (ctx->udp_session_handle);
+ if (!udp_session)
+ goto quicly_error;
- udp_session =
- session_get_from_handle (ctx->c_quic_ctx_id.udp_session_handle);
- conn = ctx->c_quic_ctx_id.conn;
+ conn = ctx->conn;
if (!conn)
return 0;
if (quic_sendable_packet_count (udp_session) < 2)
goto stop_sending;
- app_wrk = app_worker_get_if_valid (ctx->c_quic_ctx_id.parent_app_wrk_id);
- if (!app_wrk)
+ quicly_context = quic_get_quicly_ctx_from_ctx (ctx);
+ if (!quicly_context)
{
clib_warning ("Tried to send packets on non existing app worker %u",
- ctx->c_quic_ctx_id.parent_app_wrk_id);
- quic_connection_closed (ctx->c_c_index, ctx->c_thread_index);
+ ctx->parent_app_wrk_id);
+ quic_connection_delete (ctx);
return 1;
}
- app = application_get (app_wrk->app_index);
-
- quicly_context = (quicly_context_t *) app->quicly_ctx;
+ pa = quicly_context->packet_allocator;
do
{
max_packets = quic_sendable_packet_count (udp_session);
if ((err = quic_send_datagram (udp_session, packets[i])))
goto quicly_error;
- quicly_context->packet_allocator->
- free_packet (quicly_context->packet_allocator, packets[i]);
+ pa->free_packet (pa, packets[i]);
}
}
while (num_packets > 0 && num_packets == max_packets);
- if (svm_fifo_set_event (udp_session->tx_fifo))
- session_send_io_evt_to_thread (udp_session->tx_fifo, SESSION_IO_EVT_TX);
-
stop_sending:
+ 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 != QUICLY_ERROR_PACKET_IGNORED)
- clib_warning ("Quic error '%s'.", quic_format_err (err));
- quic_connection_closed (ctx->c_c_index, ctx->c_thread_index);
+ 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;
- u32 sctx_id = stream_data->ctx_id;
- session_t *stream_session;
- quic_ctx_t *sctx = quic_ctx_get (sctx_id, stream_data->thread_index);
- QUIC_DBG (2, "Stream %ld (ctx %u) destroyed", stream->stream_id, sctx_id);
- stream_session = session_get (sctx->c_s_index, sctx->c_thread_index);
+ 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_ctx_free (sctx);
- free (stream->data);
+ 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;
}
-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 int
quic_on_receive (quicly_stream_t * stream, size_t off, const void *src,
size_t len)
max_enq = svm_fifo_max_enqueue_prod (f);
QUIC_DBG (3, "Enqueuing %u at off %u in %u space", len, off, max_enq);
- if (off + len > max_enq)
+ if (off - stream_data->app_rx_data_len + len > max_enq)
{
- /* TODO : can we find a better solution, listening on RX fifo evts ? */
- QUIC_DBG (3, "Ingoring packet, RX fifo is full");
- return QUICLY_ERROR_PACKET_IGNORED;
+ QUIC_DBG (1, "Error RX fifo is full");
+ return 1;
}
- if (off == 0)
+ 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);
+ stream_data->app_rx_data_len += rlen;
ASSERT (rlen >= len);
-
- quicly_stream_sync_recvbuf (stream, rlen);
app_wrk = app_worker_get_if_valid (stream_session->app_wrk_index);
if (PREDICT_TRUE (app_wrk != 0))
app_worker_lock_and_send_event (app_wrk, stream_session,
SESSION_IO_EVT_RX);
+ quic_ack_rx_data (stream_session);
}
else
{
- rlen = svm_fifo_enqueue_with_offset (f, off, len, (u8 *) src);
+ rlen = svm_fifo_enqueue_with_offset (f,
+ off - stream_data->app_rx_data_len,
+ len, (u8 *) src);
ASSERT (rlen == 0);
}
return 0;
{
session_t *stream_session;
svm_fifo_t *f;
+ int rv;
stream_session = get_stream_session_from_stream (stream);
f = stream_session->tx_fifo;
- ASSERT (svm_fifo_dequeue_drop (f, delta) == delta);
+ rv = svm_fifo_dequeue_drop (f, delta);
+ ASSERT (rv == delta);
quicly_stream_sync_sendbuf (stream, 0);
}
}
else
{
- QUIC_DBG (3, "Wrote ALL");
*wrote_all = 1;
*len = deq_max - off;
+ QUIC_DBG (3, "Wrote ALL, %u", *len);
}
/* TODO, use something like : return svm_fifo_peek (f, off, *len, dst); */
.on_receive_reset = quic_on_receive_reset
};
-static void
-quic_accept_stream (void *s)
+static int
+quic_on_stream_open (quicly_stream_open_t * self, quicly_stream_t * stream)
{
- quicly_stream_t *stream = (quicly_stream_t *) s;
session_t *stream_session, *quic_session;
quic_stream_data_t *stream_data;
app_worker_t *app_wrk;
u32 sctx_id;
int rv;
+ 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;
+
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, "Allocated stream_session, id %u, thread %u ctx %u",
- stream_session->session_index, stream_session->thread_index,
- sctx_id);
+ 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->c_quic_ctx_id.parent_app_wrk_id =
- qctx->c_quic_ctx_id.parent_app_wrk_id;
- sctx->c_quic_ctx_id.parent_app_id = qctx->c_quic_ctx_id.parent_app_id;
- sctx->c_quic_ctx_id.quic_connection_ctx_id = qctx->c_c_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_quic_ctx_id.is_stream = 1;
sctx->c_s_index = stream_session->session_index;
- sctx->c_quic_ctx_id.stream = stream;
+ sctx->stream = stream;
+ sctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
+ sctx->flags |= QUIC_F_IS_STREAM;
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;
sctx->c_s_index = stream_session->session_index;
stream_session->session_state = SESSION_STATE_CREATED;
- stream_session->flags |= SESSION_F_QUIC_STREAM;
- stream_session->app_wrk_index = sctx->c_quic_ctx_id.parent_app_wrk_id;
+ 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->c_quic_ctx_id.udp_is_ip4);
+ 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);
{
QUIC_DBG (1, "failed to allocate fifos");
session_free (stream_session);
- quicly_reset_stream (stream, 0x30001);
- return;
+ 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);
- rv = app_worker_accept_notify (app_wrk, stream_session);
- if (rv)
+ if ((rv = app_worker_accept_notify (app_wrk, stream_session)))
{
QUIC_DBG (1, "failed to notify accept worker app");
session_free_w_fifos (stream_session);
- quicly_reset_stream (stream, 0x30002);
- return;
+ quicly_reset_stream (stream, QUIC_APP_ACCEPT_NOTIFY_ERROR);
+ return 0; /* Frame is still valid */
}
- session_lookup_add_connection (&sctx->connection,
- session_handle (stream_session));
-}
-static int
-quic_on_stream_open (quicly_stream_open_t * self, quicly_stream_t * stream)
-{
- QUIC_DBG (2, "on_stream_open called");
- stream->data = malloc (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))
- {
- quic_accept_stream (stream);
- }
return 0;
}
-static quicly_stream_open_t on_stream_open = { &quic_on_stream_open };
-
static void
-quic_on_conn_close (quicly_closed_by_peer_t * self, quicly_conn_t * conn,
- int code, uint64_t frame_type,
- const char *reason, size_t reason_len)
+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)
{
- QUIC_DBG (2, "connection closed, reason: %.*s", reason, reason_len);
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 quicly_closed_by_peer_t on_closed_by_peer = { &quic_on_conn_close };
+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 };
+/* Timer handling */
-/*****************************************************************************
- * END QUICLY CALLBACKS
- *****************************************************************************/
-
-/* single-entry session cache */
-struct st_util_session_cache_t
+static int64_t
+quic_get_thread_time (u8 thread_index)
{
- ptls_encrypt_ticket_t super;
- uint8_t id[32];
- ptls_iovec_t data;
-};
+ return quic_main.wrk_ctx[thread_index].time_now;
+}
-static int
-encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls,
- int is_encrypt, ptls_buffer_t * dst, ptls_iovec_t src)
+static int64_t
+quic_get_time (quicly_now_t * self)
{
- 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;
-
- ptls_get_context (tls)->random_bytes (self->id, sizeof (self->id));
- memcpy (self->data.base, src.base, src.len);
- self->data.len = src.len;
-
- /* 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);
-
- }
- else
- {
-
- /* 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;
+ u8 thread_index = vlib_get_thread_index ();
+ return quic_get_thread_time (thread_index);
+}
- /* 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;
- }
+static quicly_now_t quicly_vpp_now_cb = { quic_get_time };
- return 0;
+static u32
+quic_set_time_now (u32 thread_index)
+{
+ vlib_main_t *vlib_main = vlib_get_main ();
+ f64 time = vlib_time_now (vlib_main);
+ quic_main.wrk_ctx[thread_index].time_now = (int64_t) (time * 1000.f);
+ return quic_main.wrk_ctx[thread_index].time_now;
}
-/* *INDENT-OFF* */
-static struct st_util_session_cache_t sc = {
- .super = {
- .cb = encrypt_ticket_cb,
- },
-};
+/* Transport proto callback */
+static void
+quic_update_time (f64 now, u8 thread_index)
+{
+ tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
-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,
-};
-/* *INDENT-ON* */
+ 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 int
-ptls_compare_separator_line (const char *line, const char *begin_or_end,
- const char *label)
+static void
+quic_timer_expired (u32 conn_index)
{
- 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)
-{
- 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;
-}
-
-static 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;
-
- *nb_objects = 0;
-
- if (ret == 0)
- {
- 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;
- }
- }
- }
-
- if (ret == PTLS_ERROR_PEM_LABEL_NOT_FOUND && count > 0)
- {
- ret = 0;
- }
-
- *nb_objects = count;
-
- return ret;
-}
-
-#define PTLS_MAX_CERTS_IN_CONTEXT 16
-
-static int
-ptls_load_bio_certificates (ptls_context_t * ctx, BIO * bio)
-{
- 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;
-}
-
-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);
-}
-
-static inline void
-load_bio_private_key (ptls_context_t * ctx, const char *pk_data)
-{
- 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;
-}
-
-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 void
-quic_connection_closed (u32 ctx_index, u32 thread_index)
-{
- /* TODO : free fifos */
- QUIC_DBG (2, "QUIC connection closed");
- tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
- clib_bihash_kv_16_8_t kv;
- quicly_conn_t *conn;
- quic_ctx_t *ctx;
-
- ctx = quic_ctx_get (ctx_index, thread_index);
-
- ASSERT (!ctx->c_quic_ctx_id.is_stream);
- /* TODO if connection is not established, just delete the session? */
-
- /* Stop the timer */
- if (ctx->timer_handle != QUIC_TIMER_HANDLE_INVALID)
- {
- tw = &quic_main.wrk_ctx[thread_index].timer_wheel;
- tw_timer_stop_1t_3w_1024sl_ov (tw, ctx->timer_handle);
- }
-
- /* Delete the connection from the connection map */
- conn = ctx->c_quic_ctx_id.conn;
- quic_make_connection_key (&kv, quicly_get_master_id (conn));
- QUIC_DBG (2, "Deleting conn with id %lu %lu", kv.key[0], kv.key[1]);
- clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 0 /* is_add */ );
-
- // session_close (session_get_from_handle (ctx->c_quic_ctx_id.udp_session_handle));
- quic_disconnect_transport (ctx);
- session_transport_delete_notify (&ctx->connection);
- /* Do not try to send anything anymore */
- quicly_free (ctx->c_quic_ctx_id.conn);
- ctx->c_quic_ctx_id.conn = NULL;
- quic_ctx_free (ctx);
-}
-
-static void
-allocate_quicly_ctx (application_t * app, u8 is_client)
-{
- struct
- {
- quicly_context_t _;
- char cid_key[17];
- } *ctx_data;
- quicly_context_t *quicly_ctx;
- ptls_iovec_t key_vec;
- QUIC_DBG (2, "Called allocate_quicly_ctx");
-
- if (app->quicly_ctx)
- {
- QUIC_DBG (1, "Trying to reallocate quicly_ctx");
- return;
- }
-
- ctx_data = malloc (sizeof (*ctx_data));
- quicly_ctx = &ctx_data->_;
- app->quicly_ctx = (u64 *) quicly_ctx;
- memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t));
-
- quicly_ctx->max_packet_size = QUIC_MAX_PACKET_SIZE;
- 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 = 0; /* logs */
- quicly_ctx->event_log.cb = quicly_new_default_event_logger (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_FIFO_SIZE - 1); /* max_enq is SIZE - 1 */
- quicly_ctx->transport_params.max_stream_data.bidi_remote = (QUIC_FIFO_SIZE - 1); /* max_enq is SIZE - 1 */
- quicly_ctx->transport_params.max_stream_data.uni = QUIC_INT_MAX;
-
- quicly_ctx->tls->random_bytes (ctx_data->cid_key, 16);
- ctx_data->cid_key[16] = 0;
- key_vec = ptls_iovec_init (ctx_data->cid_key, strlen (ctx_data->cid_key));
- quicly_ctx->cid_encryptor =
- quicly_new_default_cid_encryptor (&ptls_openssl_bfecb,
- &ptls_openssl_sha256, key_vec);
- if (!is_client && app->tls_key != NULL && app->tls_cert != NULL)
- {
- load_bio_private_key (quicly_ctx->tls, (char *) app->tls_key);
- load_bio_certificate_chain (quicly_ctx->tls, (char *) app->tls_cert);
- }
-}
-
-
-/*****************************************************************************
- * BEGIN TIMERS HANDLING
- *****************************************************************************/
-
-static int64_t
-quic_get_thread_time (u8 thread_index)
-{
- return quic_main.wrk_ctx[thread_index].time_now;
-}
-
-static int64_t
-quic_get_time (quicly_now_t * self)
-{
- u8 thread_index = vlib_get_thread_index ();
- return quic_get_thread_time (thread_index);
-}
-
-static u32
-quic_set_time_now (u32 thread_index)
-{
- vlib_main_t *vlib_main = vlib_get_main ();
- f64 time = vlib_time_now (vlib_main);
- quic_main.wrk_ctx[thread_index].time_now = (int64_t) (time * 1000.f);
- return quic_main.wrk_ctx[thread_index].time_now;
-}
-
-/* Transport proto callback */
-static void
-quic_update_time (f64 now, u8 thread_index)
-{
- 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 (4, "Timer expired for conn %u at %ld", conn_index,
- quic_get_time (NULL));
- ctx = quic_ctx_get (conn_index, vlib_get_thread_index ());
- ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
- quic_send_packets (ctx);
-}
+ quic_ctx_t *ctx;
+ QUIC_DBG (4, "Timer expired for conn %u at %ld", conn_index,
+ quic_get_time (NULL));
+ 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)
session_t *quic_session;
/* This timeout is in ms which is the unit of our timer */
- next_timeout = quicly_get_first_timeout (ctx->c_quic_ctx_id.conn);
+ next_timeout = quicly_get_first_timeout (ctx->conn);
next_interval = next_timeout - quic_get_time (NULL);
if (next_timeout == 0 || next_interval <= 0)
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);
+ ctx->timer_handle = tw_timer_start_1t_3w_1024sl_ov (tw, ctx->c_c_index,
+ 0, next_interval);
}
else
{
}
}
-
-/*****************************************************************************
- * END TIMERS HANDLING
- *
- * BEGIN TRANSPORT PROTO FUNCTIONS
- *****************************************************************************/
-
static int
-quic_connect (transport_endpoint_cfg_t * tep)
+quic_encrypt_ticket_cb (ptls_encrypt_ticket_t * _self, ptls_t * tls,
+ int is_encrypt, ptls_buffer_t * dst, ptls_iovec_t src)
{
- QUIC_DBG (2, "Called quic_connect");
- session_endpoint_cfg_t *sep;
- int connect_stream = 0;
-
- sep = (session_endpoint_cfg_t *) tep;
+ quic_session_cache_t *self = (void *) _self;
+ int ret;
- if (sep->port == 0)
+ if (is_encrypt)
{
- /* TODO: better logic to detect if this is a stream or a connection request */
- connect_stream = 1;
- }
- if (connect_stream)
- {
- return quic_connect_new_stream (sep);
+ /* replace the cached entry along with a newly generated session id */
+ clib_mem_free (self->data.base);
+ if ((self->data.base = clib_mem_alloc (src.len)) == NULL)
+ return PTLS_ERROR_NO_MEMORY;
+
+ ptls_get_context (tls)->random_bytes (self->id, sizeof (self->id));
+ clib_memcpy (self->data.base, src.base, src.len);
+ self->data.len = src.len;
+
+ /* store the session id in buffer */
+ if ((ret = ptls_buffer_reserve (dst, sizeof (self->id))) != 0)
+ return ret;
+ clib_memcpy (dst->base + dst->off, self->id, sizeof (self->id));
+ dst->off += sizeof (self->id);
+
}
else
{
- return quic_connect_new_connection (sep);
+
+ /* check if session id is the one stored in cache */
+ if (src.len != sizeof (self->id))
+ return PTLS_ERROR_SESSION_NOT_FOUND;
+ if (clib_memcmp (self->id, src.base, sizeof (self->id)) != 0)
+ return PTLS_ERROR_SESSION_NOT_FOUND;
+
+ /* return the cached value */
+ if ((ret = ptls_buffer_reserve (dst, self->data.len)) != 0)
+ return ret;
+ clib_memcpy (dst->base + dst->off, self->data.base, self->data.len);
+ dst->off += self->data.len;
+ }
+
+ return 0;
+}
+
+static void
+quic_store_quicly_ctx (application_t * app, u32 cert_key_index)
+{
+ quic_main_t *qm = &quic_main;
+ quicly_context_t *quicly_ctx;
+ ptls_iovec_t key_vec;
+ app_cert_key_pair_t *ckpair;
+ if (app->quicly_ctx)
+ return;
+
+ quicly_ctx_data_t *quicly_ctx_data =
+ clib_mem_alloc (sizeof (quicly_ctx_data_t));
+ clib_memset (quicly_ctx_data, 0, sizeof (*quicly_ctx_data)); /* picotls depends on this */
+ quicly_ctx = &quicly_ctx_data->quicly_ctx;
+ ptls_context_t *ptls_ctx = &quicly_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[qm->default_cipher];
+ 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;
+
+ app->quicly_ctx = (u64 *) quicly_ctx;
+ clib_memcpy (quicly_ctx, &quicly_spec_context, sizeof (quicly_context_t));
+
+ quicly_ctx->max_packet_size = QUIC_MAX_PACKET_SIZE;
+ 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->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_stream_data.bidi_local = (qm->udp_fifo_size - 1); /* max_enq is SIZE - 1 */
+ quicly_ctx->transport_params.max_stream_data.bidi_remote = (qm->udp_fifo_size - 1); /* max_enq is SIZE - 1 */
+ quicly_ctx->transport_params.max_stream_data.uni = QUIC_INT_MAX;
+
+ quicly_ctx->tls->random_bytes (quicly_ctx_data->cid_key, 16);
+ quicly_ctx_data->cid_key[16] = 0;
+ key_vec = ptls_iovec_init (quicly_ctx_data->cid_key,
+ strlen (quicly_ctx_data->cid_key));
+ 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 (cert_key_index);
+ if (ckpair && ckpair->key != NULL && ckpair->cert != NULL)
+ {
+ if (load_bio_private_key (quicly_ctx->tls, (char *) ckpair->key))
+ {
+ QUIC_DBG (1, "failed to read private key from app configuration\n");
+ }
+ if (load_bio_certificate_chain (quicly_ctx->tls, (char *) ckpair->cert))
+ {
+ QUIC_DBG (1, "failed to load certificate\n");
+ }
}
}
+/* Transport proto functions */
+
static int
-quic_connect_new_stream (session_endpoint_cfg_t * sep)
+quic_connect_stream (session_t * quic_session, u32 opaque)
{
uint64_t quic_session_handle;
- session_t *quic_session, *stream_session;
+ session_t *stream_session;
quic_stream_data_t *stream_data;
quicly_stream_t *stream;
quicly_conn_t *conn;
int rv;
/* Find base session to which the user want to attach a stream */
- quic_session_handle = sep->transport_opts;
- QUIC_DBG (2, "Opening new stream (qsession %u)", sep->transport_opts);
- quic_session = session_get_from_handle (quic_session_handle);
+ quic_session_handle = session_handle (quic_session);
+ QUIC_DBG (2, "Opening new stream (qsession %u)", quic_session_handle);
- if (quic_session->session_type !=
- session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, sep->is_ip4))
+ if (session_type_transport_proto (quic_session->session_type) !=
+ TRANSPORT_PROTO_QUIC)
{
QUIC_DBG (1, "received incompatible session");
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 (qctx->c_quic_ctx_id.is_stream)
+ qctx = quic_ctx_get (quic_session->connection_index,
+ quic_session->thread_index);
+ if (quic_ctx_is_stream (qctx))
{
QUIC_DBG (1, "session is a stream");
quic_ctx_free (sctx);
return -1;
}
- sctx->c_quic_ctx_id.parent_app_wrk_id =
- qctx->c_quic_ctx_id.parent_app_wrk_id;
- sctx->c_quic_ctx_id.parent_app_id = qctx->c_quic_ctx_id.parent_app_id;
- sctx->c_quic_ctx_id.quic_connection_ctx_id = qctx->c_c_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_index;
- sctx->c_quic_ctx_id.is_stream = 1;
+ sctx->c_flags |= TRANSPORT_CONNECTION_F_NO_LOOKUP;
+ sctx->flags |= QUIC_F_IS_STREAM;
- conn = qctx->c_quic_ctx_id.conn;
+ conn = qctx->conn;
if (!conn || !quicly_connection_is_ready (conn))
return -1;
QUIC_DBG (2, "Stream open failed with %d", rv);
return -1;
}
- sctx->c_quic_ctx_id.stream = stream;
+ 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, id %u, thread %u ctx %u",
- stream_session->session_index, stream_session->thread_index,
- sctx_index);
- stream_session->flags |= SESSION_F_QUIC_STREAM;
+ 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->c_quic_ctx_id.udp_is_ip4);
+ session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, qctx->udp_is_ip4);
sctx->c_s_index = stream_session->session_index;
if (app_worker_init_connected (app_wrk, stream_session))
{
QUIC_DBG (1, "failed to app_worker_init_connected");
- quicly_reset_stream (stream, 0x30003);
+ quicly_reset_stream (stream, QUIC_APP_ALLOCATION_ERROR);
session_free_w_fifos (stream_session);
quic_ctx_free (sctx);
- return app_worker_connect_notify (app_wrk, NULL, sep->opaque);
+ return app_worker_connect_notify (app_wrk, NULL, 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);
+
stream_session->session_state = SESSION_STATE_READY;
- if (app_worker_connect_notify (app_wrk, stream_session, sep->opaque))
+ if (app_worker_connect_notify (app_wrk, stream_session, opaque))
{
QUIC_DBG (1, "failed to notify app");
- quicly_reset_stream (stream, 0x30004);
+ quicly_reset_stream (stream, QUIC_APP_CONNECT_NOTIFY_ERROR);
session_free_w_fifos (stream_session);
quic_ctx_free (sctx);
return -1;
}
- session_lookup_add_connection (&sctx->connection,
- session_handle (stream_session));
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;
return 0;
}
static int
-quic_connect_new_connection (session_endpoint_cfg_t * sep)
+quic_connect_connection (session_endpoint_cfg_t * sep)
{
- vnet_connect_args_t _cargs = { {}, }, *cargs = &_cargs;
+ vnet_connect_args_t _cargs, *cargs = &_cargs;
quic_main_t *qm = &quic_main;
quic_ctx_t *ctx;
app_worker_t *app_wrk;
u32 ctx_index;
int error;
+ clib_memset (cargs, 0, sizeof (*cargs));
ctx_index = quic_ctx_alloc (vlib_get_thread_index ());
ctx = quic_ctx_get (ctx_index, vlib_get_thread_index ());
- ctx->c_quic_ctx_id.parent_app_wrk_id = sep->app_wrk_index;
+ ctx->parent_app_wrk_id = sep->app_wrk_index;
ctx->c_s_index = QUIC_SESSION_INVALID;
ctx->c_c_index = ctx_index;
- ctx->c_quic_ctx_id.udp_is_ip4 = sep->is_ip4;
+ 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);
- }
+ /* 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_UDPC;
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 */ );
+ quic_store_quicly_ctx (app, ctx->ckpair_index);
+ /* Also store it in ctx for convenience
+ * Waiting for crypto_ctx logic */
+ ctx->quicly_ctx = (quicly_context_t *) app->quicly_ctx;
if ((error = vnet_connect (cargs)))
return error;
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");
- 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;
- ctx = quic_ctx_get (ctx_index, thread_index);
- if (ctx->c_quic_ctx_id.is_stream)
- {
- QUIC_DBG (2, "Closing stream %x, session %x", ctx_index,
- ctx->c_s_index);
- quicly_stream_t *stream = ctx->c_quic_ctx_id.stream;
- quicly_reset_stream (stream, 0x30000);
- }
+ quic_session = session_get_from_handle_if_valid (sep->parent_handle);
+ if (quic_session)
+ return quic_connect_stream (quic_session, sep->opaque);
else
+ return quic_connect_connection (sep);
+}
+
+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;
+ quicly_reset_stream (stream, QUIC_APP_ERROR_CLOSE_NOTIFY);
+ quic_send_packets (ctx);
+ return;
+ }
+
+ switch (ctx->conn_state)
{
- QUIC_DBG (2, "Closing connection %x, session %x", ctx_index,
- ctx->c_s_index);
- quicly_conn_t *conn = ctx->c_quic_ctx_id.conn;
+ 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 */
- quicly_close (conn, 0, "");
+ 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;
+ default:
+ QUIC_DBG (0, "BUG");
+ break;
}
}
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 */ );
+ quic_store_quicly_ctx (app, sep->ckpair_index);
sep->transport_proto = TRANSPORT_PROTO_UDPC;
- 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;
- lctx_index = quic_ctx_alloc (0); /* listener */
+ lctx_index = quic_ctx_alloc (0);
udp_handle = args->handle;
app_listener = app_listener_get_w_handle (udp_handle);
udp_listen_session = app_listener_get_session (app_listener);
udp_listen_session->opaque = lctx_index;
- lctx = quic_ctx_get (lctx_index, 0); /* listener */
- lctx->is_listener = 1;
- lctx->c_quic_ctx_id.parent_app_wrk_id = sep->app_wrk_index;
- lctx->c_quic_ctx_id.parent_app_id = app_wrk->app_index;
- lctx->c_quic_ctx_id.udp_session_handle = udp_handle;
- lctx->c_quic_ctx_id.udp_is_ip4 = sep->is_ip4;
+ lctx = quic_ctx_get (lctx_index, 0);
+ lctx->flags |= QUIC_F_IS_LISTENER;
+ /* Also store it in ctx for convenience
+ * Waiting for crypto_ctx logic */
+ lctx->quicly_ctx = (quicly_context_t *) app->quicly_ctx;
+
+ 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;
- QUIC_DBG (2, "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;
}
{
QUIC_DBG (2, "Called quic_stop_listen");
quic_ctx_t *lctx;
-
- lctx = quic_ctx_get (lctx_index, 0); /* listener */
+ lctx = quic_ctx_get (lctx_index, 0);
+ ASSERT (quic_ctx_is_listener (lctx));
vnet_unlisten_args_t a = {
- .handle = lctx->c_quic_ctx_id.udp_session_handle,
+ .handle = lctx->udp_session_handle,
.app_index = quic_main.app_index,
.wrk_map_index = 0 /* default wrk */
};
/* TODO: crypto state cleanup */
- quic_ctx_free (lctx); /* listener */
+ quic_ctx_free (lctx);
return 0;
}
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 (ctx_index, thread_index);
return &ctx->connection;
{
quic_ctx_t *ctx = va_arg (*args, quic_ctx_t *);
u32 verbose = va_arg (*args, u32);
+ u8 *str = 0;
if (!ctx)
return s;
- s = format (s, "[#%d][%s] ", ctx->c_thread_index, "Q");
-
- if (ctx->is_listener)
- {
- s = format (s, "%s Listener: ", ctx->c_quic_ctx_id.is_stream ?
- "Stream" : "QSession");
- if (verbose)
- s = format (s, "app %d wrk %d", ctx->c_quic_ctx_id.parent_app_id,
- ctx->c_quic_ctx_id.parent_app_wrk_id);
- }
+ 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
- {
- if (ctx->c_is_ip4)
- s = format (s, "%U:%d->%U:%d", format_ip4_address, &ctx->c_lcl_ip4,
- clib_net_to_host_u16 (ctx->c_lcl_port),
- format_ip4_address, &ctx->c_rmt_ip4,
- clib_net_to_host_u16 (ctx->c_rmt_port));
- else
- s = format (s, "%U:%d->%U:%d", format_ip6_address, &ctx->c_lcl_ip6,
- clib_net_to_host_u16 (ctx->c_lcl_port),
- format_ip6_address, &ctx->c_rmt_ip6,
- clib_net_to_host_u16 (ctx->c_rmt_port));
- }
+ s = format (s, "%s\n", str);
+ vec_free (str);
return s;
}
u32 thread_index = va_arg (*args, u32);
u32 verbose = va_arg (*args, u32);
quic_ctx_t *ctx = quic_ctx_get (qc_index, thread_index);
- if (ctx)
- s = format (s, "%-50U", format_quic_ctx, ctx, verbose);
+ 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_get (qc_index, vlib_get_thread_index ());
- s = format (s, "[QUIC] half-open app %u", ctx->c_quic_ctx_id.parent_app_id);
+ 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;
}
format_quic_listener (u8 * s, va_list * args)
{
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, vlib_get_thread_index ());
- if (ctx)
- {
- ASSERT (ctx->is_listener);
- s = format (s, "%-50U", format_quic_ctx, ctx, verbose);
- }
+ 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_notify_app_connected (quic_ctx_t * ctx)
+quic_on_quic_session_connected (quic_ctx_t * ctx)
{
- QUIC_DBG (1, "quic_notify_app_connected");
session_t *quic_session;
app_worker_t *app_wrk;
u32 ctx_id = ctx->c_c_index;
u32 thread_index = ctx->c_thread_index;
- quic_ctx_t *lctx;
+ int rv;
- app_wrk = app_worker_get_if_valid (ctx->c_quic_ctx_id.parent_app_wrk_id);
+ app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_id);
if (!app_wrk)
{
quic_disconnect_transport (ctx);
- return -1;
+ return 0;
}
quic_session = session_alloc (thread_index);
- lctx = quic_ctx_get (ctx->c_quic_ctx_id.listener_ctx_id, 0);
- QUIC_DBG (2, "Allocated quic_session, id %u, thread %u",
- quic_session->session_index, quic_session->thread_index);
+ 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->c_quic_ctx_id.parent_app_wrk_id;
+ quic_session->app_wrk_index = ctx->parent_app_wrk_id;
quic_session->connection_index = ctx->c_c_index;
- quic_session->listener_handle = lctx->c_s_index;
+ quic_session->listener_handle = SESSION_INVALID_HANDLE;
quic_session->session_type =
- session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC,
- ctx->c_quic_ctx_id.udp_is_ip4);
+ session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, ctx->udp_is_ip4);
if (app_worker_init_connected (app_wrk, quic_session))
{
QUIC_DBG (1, "failed to app_worker_init_connected");
- quic_disconnect (ctx_id, thread_index);
+ quic_proto_on_close (ctx_id, thread_index);
return app_worker_connect_notify (app_wrk, NULL, ctx->client_opaque);
}
quic_session->session_state = SESSION_STATE_CONNECTING;
- if (app_worker_connect_notify (app_wrk, quic_session, ctx->client_opaque))
+ if ((rv = app_worker_connect_notify (app_wrk, quic_session,
+ ctx->client_opaque)))
{
- QUIC_DBG (1, "failed to notify app");
- quic_disconnect (ctx_id, thread_index);
+ QUIC_DBG (1, "failed to notify app %d", rv);
+ quic_proto_on_close (ctx_id, thread_index);
return -1;
}
/* 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;
- session_lookup_add_connection (&ctx->connection,
- session_handle (quic_session));
return 0;
}
static int
-quic_session_connected_callback (u32 quic_app_index, u32 ctx_index,
- session_t * udp_session, u8 is_fail)
+quic_check_quic_session_connected (quic_ctx_t * ctx)
{
- 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;
- app_worker_t *app_wrk;
- quicly_conn_t *conn;
- application_t *app;
- quic_ctx_t *ctx;
- u32 thread_index = vlib_get_thread_index ();
- int ret;
-
- ctx = quic_ctx_get (ctx_index, thread_index);
- if (is_fail)
- {
- u32 api_context;
- int rv = 0;
-
- app_wrk =
- app_worker_get_if_valid (ctx->c_quic_ctx_id.parent_app_wrk_id);
- if (app_wrk)
- {
- api_context = ctx->c_s_index;
- app_worker_connect_notify (app_wrk, 0, api_context);
- }
- return rv;
- }
-
- app_wrk = app_worker_get_if_valid (ctx->c_quic_ctx_id.parent_app_wrk_id);
- if (!app_wrk)
- {
- QUIC_DBG (1, "Appwrk not found");
- return -1;
- }
- app = application_get (app_wrk->app_index);
-
- ctx->c_thread_index = thread_index;
- ctx->c_c_index = ctx_index;
-
- QUIC_DBG (2, "Quic connect returned %u. New ctx [%u]%x",
- is_fail, thread_index, (ctx) ? ctx_index : ~0);
+ /* Called when we need to trigger quic session connected
+ * we may call this function on the server side / at
+ * stream opening */
- ctx->c_quic_ctx_id.udp_session_handle = session_handle (udp_session);
- udp_session->opaque = ctx->c_quic_ctx_id.parent_app_id;
- udp_session->session_state = SESSION_STATE_READY;
-
- /* 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 */
- quic_store_conn_ctx (ctx->c_quic_ctx_id.conn, ctx);
- assert (ret == 0);
-
- /* Register connection in connections map */
- conn = ctx->c_quic_ctx_id.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 */ );
-
- quic_send_packets (ctx);
-
- /* 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);
-
- return ret;
+ /* Conn may be set to null if the connection is terminated */
+ if (!ctx->conn || ctx->conn_state != QUIC_CONN_STATE_HANDSHAKE)
+ return 0;
+ if (!quicly_connection_is_ready (ctx->conn))
+ return 0;
+ ctx->conn_state = QUIC_CONN_STATE_READY;
+ if (!quicly_is_client (ctx->conn))
+ return 0;
+ return quic_on_quic_session_connected (ctx);
}
static void
quic_ctx_t *temp_ctx, *new_ctx;
clib_bihash_kv_16_8_t kv;
quicly_conn_t *conn;
+ session_t *udp_session;
temp_ctx = arg;
new_ctx_id = quic_ctx_alloc (thread_index);
new_ctx_id);
- memcpy (new_ctx, temp_ctx, sizeof (quic_ctx_t));
- free (temp_ctx);
+ 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;
- conn = new_ctx->c_quic_ctx_id.conn;
+ conn = new_ctx->conn;
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;
new_ctx->timer_handle = QUIC_TIMER_HANDLE_INVALID;
quic_update_timer (new_ctx);
- /* Trigger read on this connection ? */
+ /* 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
{
tw_timer_wheel_1t_3w_1024sl_ov_t *tw;
quic_ctx_t *ctx, *temp_ctx;
- clib_bihash_kv_16_8_t kv;
- quicly_conn_t *conn;
u32 thread_index = vlib_get_thread_index ();
QUIC_DBG (2, "Transferring conn %u to thread %u", ctx_index, dest_thread);
- temp_ctx = malloc (sizeof (quic_ctx_t));
+ temp_ctx = clib_mem_alloc (sizeof (quic_ctx_t));
ASSERT (temp_ctx);
ctx = quic_ctx_get (ctx_index, thread_index);
- memcpy (temp_ctx, ctx, sizeof (quic_ctx_t));
+ clib_memcpy (temp_ctx, ctx, sizeof (quic_ctx_t));
- /* Remove from lookup hash, timer wheel and thread-local pool */
- conn = ctx->c_quic_ctx_id.conn;
- quic_make_connection_key (&kv, quicly_get_master_id (conn));
- clib_bihash_add_del_16_8 (&quic_main.connection_hash, &kv, 0 /* is_add */ );
+ /* Remove from timer wheel and thread-local pool */
if (ctx->timer_handle != QUIC_TIMER_HANDLE_INVALID)
{
tw = &quic_main.wrk_ctx[thread_index].timer_wheel;
(void *) temp_ctx);
}
-static void
-quic_transfer_connection_rpc (void *arg)
-{
- u64 arg_int = (u64) arg;
- u32 ctx_index, dest_thread;
+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;
+ 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;
+
+
+ ctx = quic_ctx_get (ctx_index, thread_index);
+ if (is_fail)
+ {
+ u32 api_context;
+ app_wrk = app_worker_get_if_valid (ctx->parent_app_wrk_id);
+ if (app_wrk)
+ {
+ api_context = ctx->c_s_index;
+ app_worker_connect_notify (app_wrk, 0, api_context);
+ }
+ return 0;
+ }
+
+ ctx->c_thread_index = thread_index;
+ ctx->c_c_index = ctx_index;
+
+ QUIC_DBG (2, "Quic connect returned %u. New ctx [%u]%x",
+ is_fail, thread_index, (ctx) ? ctx_index : ~0);
+
+ 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 (udp_session);
+ quic_build_sockaddr (sa, &salen, &tc->rmt_ip, tc->rmt_port, tc->is_ip4);
+
+ quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
+ ret = quicly_connect (&ctx->conn, quicly_ctx, (char *) ctx->srv_hostname,
+ sa, NULL, &quic_main.next_cid, ptls_iovec_init (NULL,
+ 0),
+ &quic_main.hs_properties, NULL);
+ ++quic_main.next_cid.master_id;
+ /* Save context handle in quicly connection */
+ quic_store_conn_ctx (ctx->conn, ctx);
+ assert (ret == 0);
+
+ /* 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 */ );
- ctx_index = (u32) (arg_int >> 32);
- dest_thread = (u32) (arg_int & UINT32_MAX);
- quic_transfer_connection (ctx_index, dest_thread);
+ /* 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;
}
-/*
- * This assumes that the connection is not yet associated to a session
- * So currently it only works on the client side when receiving the first packet
- * from the server
- */
static void
-quic_move_connection_to_thread (u32 ctx_index, u32 owner_thread,
- u32 to_thread)
+quic_udp_session_disconnect_callback (session_t * s)
{
- QUIC_DBG (2, "Requesting transfer of conn %u from thread %u", ctx_index,
- owner_thread);
- u64 arg = ((u64) ctx_index) << 32 | to_thread;
- session_send_rpc_evt_to_thread (owner_thread, quic_transfer_connection_rpc,
- (void *) arg);
+ clib_warning ("UDP session disconnected???");
}
static void
-quic_session_disconnect_callback (session_t * s)
+quic_udp_session_reset_callback (session_t * s)
{
- clib_warning ("UDP session disconnected???");
+ clib_warning ("UDP session reset???");
}
static void
-quic_session_reset_callback (session_t * s)
+quic_udp_session_migrate_callback (session_t * s, session_handle_t new_sh)
{
- clib_warning ("UDP session reset???");
+ u32 new_thread = session_thread_from_handle (new_sh);
+ quic_ctx_t *ctx;
+
+ QUIC_DBG (1, "Session %x migrated to %lx", s->session_index, new_sh);
+ ASSERT (vlib_get_thread_index () == s->thread_index);
+ ctx = quic_ctx_get (s->opaque, s->thread_index);
+ 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_session_accepted_callback (session_t * udp_session)
+quic_udp_session_accepted_callback (session_t * udp_session)
{
/* New UDP connection, try to accept it */
- QUIC_DBG (2, "UDP session accepted");
u32 ctx_index;
u32 *pool_index;
quic_ctx_t *ctx, *lctx;
ctx->c_thread_index = udp_session->thread_index;
ctx->c_c_index = ctx_index;
ctx->c_s_index = QUIC_SESSION_INVALID;
- ctx->c_quic_ctx_id.udp_session_handle = session_handle (udp_session);
- ctx->c_quic_ctx_id.listener_ctx_id = udp_listen_session->opaque;
+ 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->c_quic_ctx_id.udp_is_ip4 = lctx->c_quic_ctx_id.udp_is_ip4;
- ctx->c_quic_ctx_id.parent_app_id = lctx->c_quic_ctx_id.parent_app_id;
- ctx->c_quic_ctx_id.parent_app_wrk_id =
- lctx->c_quic_ctx_id.parent_app_wrk_id;
+ 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;
+
+ /* Also store it in ctx for convenience
+ * Waiting for crypto_ctx logic */
+ ctx->quicly_ctx = lctx->quicly_ctx;
- udp_session->opaque = ctx->c_quic_ctx_id.parent_app_id;
+ udp_session->opaque = ctx_index;
/* Put this ctx in the "opening" pool */
pool_get (quic_main.wrk_ctx[ctx->c_thread_index].opening_ctx_pool,
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;
}
static int
-quic_custom_tx_callback (void *s)
+quic_custom_app_rx_callback (transport_connection_t * tc)
+{
+ 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;
+}
+
+static int
+quic_custom_tx_callback (void *s, u32 max_burst_size)
{
session_t *stream_session = (session_t *) s;
quicly_stream_t *stream;
quic_ctx_t *ctx;
int rv;
- svm_fifo_unset_event (stream_session->tx_fifo);
if (PREDICT_FALSE
(stream_session->session_state >= SESSION_STATE_TRANSPORT_CLOSING))
return 0;
- ctx =
- quic_ctx_get (stream_session->connection_index,
- stream_session->thread_index);
- if (PREDICT_FALSE (!ctx->c_quic_ctx_id.is_stream))
+ ctx = quic_ctx_get (stream_session->connection_index,
+ stream_session->thread_index);
+ if (PREDICT_FALSE (!quic_ctx_is_stream (ctx)))
{
goto tx_end; /* Most probably a reschedule */
}
- stream = ctx->c_quic_ctx_id.stream;
+ QUIC_DBG (3, "Stream TX event");
+ quic_ack_rx_data (stream_session);
+ if (!svm_fifo_max_dequeue (stream_session->tx_fifo))
+ return 0;
+
+ stream = ctx->stream;
if (!quicly_sendstate_is_open (&stream->sendstate))
{
QUIC_DBG (1, "Warning: tried to send on closed stream");
/*
* 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.
*/
if (clib_bihash_search_16_8 (h, &kv, &kv) == 0)
{
u32 index = kv.value & UINT32_MAX;
- u8 thread_id = kv.value >> 32;
+ u32 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)
return -1;
}
ctx_ = quic_ctx_get (index, vlib_get_thread_index ());
- conn_ = ctx_->c_quic_ctx_id.conn;
- if (conn_ && quicly_is_destination (conn_, sa, salen, packet))
+ conn_ = ctx_->conn;
+ if (conn_ && quicly_is_destination (conn_, NULL, sa, packet))
{
QUIC_DBG (3, "Connection found");
*ctx_index = index;
}
static int
-quic_receive (quic_ctx_t * ctx, quicly_conn_t * conn,
- quicly_decoded_packet_t packet)
+quic_accept_connection (u32 ctx_index, struct sockaddr *sa,
+ socklen_t salen, quicly_decoded_packet_t packet)
{
+ u32 thread_index = vlib_get_thread_index ();
+ 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;
- u32 ctx_id = ctx->c_c_index;
- u32 thread_index = ctx->c_thread_index;
- /* TODO : QUICLY_ERROR_PACKET_IGNORED sould be handled */
- rv = quicly_receive (conn, &packet);
- if (rv)
+
+ /* new connection, accept and create context if packet is valid
+ * TODO: check if socket is actually listening? */
+ ctx = quic_ctx_get (ctx_index, thread_index);
+ quicly_ctx = quic_get_quicly_ctx_from_ctx (ctx);
+ if ((rv = quicly_accept (&conn, quicly_ctx, NULL, sa,
+ &packet, NULL, &quic_main.next_cid, NULL)))
{
- QUIC_DBG (2, "Quicly receive ignored packet code : %u", rv);
+ /* Invalid packet, pass */
+ assert (conn == NULL);
+ QUIC_DBG (1, "Accept failed with %d", rv);
+ /* TODO: cleanup created quic ctx and UDP session */
return 0;
}
- /* ctx pointer may change if a new stream is opened */
- ctx = quic_ctx_get (ctx_id, thread_index);
- /* Conn may be set to null if the connection is terminated */
- if (ctx->c_quic_ctx_id.conn && ctx->conn_state == QUIC_CONN_STATE_HANDSHAKE)
- {
- if (quicly_connection_is_ready (conn))
- {
- ctx->conn_state = QUIC_CONN_STATE_READY;
- if (quicly_is_client (conn))
- {
- quic_notify_app_connected (ctx);
- ctx = quic_ctx_get (ctx_id, thread_index);
- }
- }
- }
- return quic_send_packets (ctx);
-}
+ assert (conn != NULL);
-static int
-quic_create_quic_session (quic_ctx_t * ctx)
-{
- session_t *quic_session;
- app_worker_t *app_wrk;
- quic_ctx_t *lctx;
- int rv;
+ ++quic_main.next_cid.master_id;
+ /* Save ctx handle in quicly connection */
+ quic_store_conn_ctx (conn, ctx);
+ ctx->conn = conn;
+ ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE;
quic_session = session_alloc (ctx->c_thread_index);
- QUIC_DBG (2, "Allocated quic_session, id %u, thread %u ctx %u",
- quic_session->session_index, quic_session->thread_index,
- ctx->c_c_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->c_quic_ctx_id.listener_ctx_id, 0);
+ lctx = quic_ctx_get (ctx->listener_ctx_id, 0);
- quic_session->app_wrk_index = lctx->c_quic_ctx_id.parent_app_wrk_id;
+ 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->c_quic_ctx_id.udp_is_ip4);
- quic_session->listener_handle = lctx->c_quic_ctx_id.listener_ctx_id;
+ session_type_from_proto_and_ip (TRANSPORT_PROTO_QUIC, ctx->udp_is_ip4);
+ quic_session->listener_handle = lctx->c_s_index;
/* TODO: don't alloc fifos when we don't transfer data on this session
* but we still need fifos for the events? */
session_free (quic_session);
return rv;
}
- session_lookup_add_connection (&ctx->connection,
- session_handle (quic_session));
app_wrk = app_worker_get (quic_session->app_wrk_index);
- rv = app_worker_accept_notify (app_wrk, quic_session);
- if (rv)
+ if ((rv = app_worker_accept_notify (app_wrk, quic_session)))
{
QUIC_DBG (1, "failed to notify accept worker app");
return rv;
}
- return 0;
-}
-
-static int
-quic_create_connection (quicly_context_t * quicly_ctx,
- u64 udp_session_handle, u32 ctx_index,
- struct sockaddr *sa,
- socklen_t salen, quicly_decoded_packet_t packet)
-{
- clib_bihash_kv_16_8_t kv;
- quic_ctx_t *ctx;
- quicly_conn_t *conn;
- u32 thread_index = vlib_get_thread_index ();
- int rv;
-
- /* new connection, accept and create context if packet is valid
- * TODO: check if socket is actually listening? */
- if ((rv = quicly_accept (&conn, quicly_ctx, sa, salen,
- &packet, ptls_iovec_init (NULL, 0),
- &quic_main.next_cid, NULL)))
- {
- /* Invalid packet, pass */
- assert (conn == NULL);
- QUIC_DBG (1, "Accept failed with %d", rv);
- /* TODO: cleanup created quic ctx and UDP session */
- return 0;
- }
- assert (conn != NULL);
-
- ++quic_main.next_cid.master_id;
- ctx = quic_ctx_get (ctx_index, thread_index);
- /* Save ctx handle in quicly connection */
- quic_store_conn_ctx (conn, ctx);
- ctx->c_quic_ctx_id.conn = conn;
- ctx->conn_state = QUIC_CONN_STATE_HANDSHAKE;
-
- quic_create_quic_session (ctx);
/* Register connection in connections map */
quic_make_connection_key (&kv, quicly_get_master_id (conn));
}
static int
-quic_reset_connection (quicly_context_t * quicly_ctx, u64 udp_session_handle,
+quic_reset_connection (u64 udp_session_handle,
struct sockaddr *sa, socklen_t salen,
quicly_decoded_packet_t packet)
{
* 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 *udp_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);
- if (dgram == NULL)
- return 1;
- udp_session = session_get_from_handle (udp_session_handle);
- return quic_send_datagram (udp_session, dgram); /* TODO : set event on fifo */
- }
- return 0;
+ quicly_context_t *quicly_ctx;
+ if (packet.cid.dest.plaintext.node_id != 0
+ || 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, sa, NULL,
+ &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;
}
static int
-quic_app_rx_callback (session_t * udp_session)
+quic_process_one_rx_packet (u64 udp_session_handle, svm_fifo_t * f,
+ u32 * fifo_offset, u32 * max_packet, u32 packet_n,
+ quic_rx_packet_ctx_t * packet_ctx)
{
- /* Read data from UDP rx_fifo and pass it to the quicly conn. */
- quicly_decoded_packet_t packet;
session_dgram_hdr_t ph;
- application_t *app;
quic_ctx_t *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, full_len, ctx_index = UINT32_MAX, ctx_thread =
- UINT32_MAX, ret;
- u8 *data;
- int err;
+ u32 full_len, ret;
+ int err, rv = 0;
+ packet_ctx->thread_index = UINT32_MAX;
+ packet_ctx->ctx_index = UINT32_MAX;
+ u32 thread_index = vlib_get_thread_index ();
u32 *opening_ctx_pool, *ctx_index_ptr;
- u32 app_index = udp_session->opaque;
+ u32 cur_deq = svm_fifo_max_dequeue (f) - *fifo_offset;
+ quicly_context_t *quicly_ctx;
+
+ if (cur_deq == 0)
+ {
+ *max_packet = packet_n + 1;
+ return 0;
+ }
+
+ if (cur_deq < SESSION_CONN_HDR_LEN)
+ {
+ QUIC_DBG (1, "Not enough data for even a header in RX");
+ return 1;
+ }
+ ret = svm_fifo_peek (f, *fifo_offset, SESSION_CONN_HDR_LEN, (u8 *) & ph);
+ if (ret != SESSION_CONN_HDR_LEN)
+ {
+ QUIC_DBG (1, "Not enough data for header in RX");
+ return 1;
+ }
+ ASSERT (ph.data_offset == 0);
+ full_len = ph.data_length + SESSION_CONN_HDR_LEN;
+ if (full_len > cur_deq)
+ {
+ QUIC_DBG (1, "Not enough data in fifo RX");
+ return 1;
+ }
+
+ /* 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,
+ ph.data_length, packet_ctx->data);
+ if (ret != ph.data_length)
+ {
+ QUIC_DBG (1, "Not enough data peeked in RX");
+ return 1;
+ }
+
+ quic_increment_counter (QUIC_ERROR_RX_PACKETS, 1);
+ rv = 0;
+ quic_build_sockaddr (sa, &salen, &ph.rmt_ip, ph.rmt_port, ph.is_ip4);
+ quicly_ctx = quic_get_quicly_ctx_from_udp (udp_session_handle);
+ plen = quicly_decode_packet (quicly_ctx, &packet_ctx->packet,
+ packet_ctx->data, ph.data_length);
+
+ if (plen == SIZE_MAX)
+ {
+ *fifo_offset += SESSION_CONN_HDR_LEN + ph.data_length;
+ return 1;
+ }
+
+ err = quic_find_packet_ctx (&packet_ctx->thread_index,
+ &packet_ctx->ctx_index, sa, salen,
+ &packet_ctx->packet, thread_index);
+ if (err == 0)
+ {
+ ctx = quic_ctx_get (packet_ctx->ctx_index, thread_index);
+ rv = quicly_receive (ctx->conn, NULL, sa, &packet_ctx->packet);
+ if (rv)
+ QUIC_DBG (1, "quicly_receive return error %d", rv);
+ }
+ else if (packet_ctx->ctx_index != UINT32_MAX)
+ {
+ /* Connection found but on wrong thread, ask move */
+ *max_packet = packet_n + 1;
+ return 0;
+ }
+ else if ((packet_ctx->packet.octets.base[0] & QUICLY_PACKET_TYPE_BITMASK) ==
+ QUICLY_PACKET_TYPE_INITIAL)
+ {
+ /* Try to find matching "opening" ctx */
+ opening_ctx_pool = quic_main.wrk_ctx[thread_index].opening_ctx_pool;
+
+ /* *INDENT-OFF* */
+ pool_foreach (ctx_index_ptr, opening_ctx_pool,
+ ({
+ ctx = quic_ctx_get (*ctx_index_ptr, thread_index);
+ if (ctx->udp_session_handle == udp_session_handle)
+ {
+ /* Right ctx found, create conn & remove from pool */
+ quic_accept_connection (*ctx_index_ptr, sa, salen, packet_ctx->packet);
+ *max_packet = packet_n + 1;
+ packet_ctx->thread_index = thread_index;
+ packet_ctx->ctx_index = *ctx_index_ptr;
+ pool_put (opening_ctx_pool, ctx_index_ptr);
+ goto updateOffset;
+ }
+ }));
+ /* *INDENT-ON* */
+ }
+ else
+ {
+ quic_reset_connection (udp_session_handle, sa, salen,
+ packet_ctx->packet);
+ }
+
+updateOffset:
+ *fifo_offset += SESSION_CONN_HDR_LEN + ph.data_length;
+ return 0;
+}
+
+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_ctx_t *ctx = NULL;
+ svm_fifo_t *f;
+ u32 max_deq;
u64 udp_session_handle = session_handle (udp_session);
int rv = 0;
u32 thread_index = vlib_get_thread_index ();
+ quic_rx_packet_ctx_t packets_ctx[16];
+ u32 i, fifo_offset, max_packets;
- app = application_get_if_valid (app_index);
- if (!app)
+ if (udp_session->flags & SESSION_F_IS_MIGRATING)
{
- QUIC_DBG (1, "Got RX on detached app");
- /* TODO: close this session, cleanup state? */
- return 1;
+ QUIC_DBG (3, "RX on migrating udp session");
+ return 0;
}
- do
+ while (1)
{
udp_session = session_get_from_handle (udp_session_handle); /* session alloc might have happened */
f = udp_session->rx_fifo;
- svm_fifo_unset_event (f);
max_deq = svm_fifo_max_dequeue (f);
- if (max_deq < sizeof (session_dgram_hdr_t))
+ if (max_deq == 0)
return 0;
- ret = svm_fifo_peek (f, 0, SESSION_CONN_HDR_LEN, (u8 *) & ph);
- if (ret != SESSION_CONN_HDR_LEN)
- {
- QUIC_DBG (1, "Not enough data for header in RX");
- return 1;
- }
- if (ph.data_length < ph.data_offset)
- {
- QUIC_DBG (1, "Not enough data vs offset in RX");
- return 1;
- }
- len = ph.data_length - ph.data_offset;
- full_len = ph.data_length + ph.data_offset + SESSION_CONN_HDR_LEN;
- if (full_len > max_deq)
- {
- QUIC_DBG (1, "Not enough data in fifo RX");
- return 1;
- }
-
- /* Quicly can read len bytes from the fifo at offset:
- * ph.data_offset + SESSION_CONN_HDR_LEN */
- data = malloc (ph.data_length);
- ret =
- svm_fifo_peek (f, ph.data_offset + SESSION_CONN_HDR_LEN,
- ph.data_length, data);
- if (ret != ph.data_length)
- {
- QUIC_DBG (1, "Not enough data peeked in RX");
- free (data);
- return 1;
- }
-
- plen =
- quicly_decode_packet ((quicly_context_t *) app->quicly_ctx, &packet,
- data, len);
-
- rv = 0;
- quic_build_sockaddr (sa, &salen, &ph.rmt_ip, ph.rmt_port, ph.is_ip4);
- plen =
- quicly_decode_packet ((quicly_context_t *) app->quicly_ctx, &packet,
- data, len);
+ fifo_offset = 0;
+ max_packets = 16;
+ for (i = 0; i < max_packets; i++)
+ quic_process_one_rx_packet (udp_session_handle, f, &fifo_offset,
+ &max_packets, i, &packets_ctx[i]);
- if (plen != SIZE_MAX)
+ for (i = 0; i < max_packets; i++)
{
-
- err = quic_find_packet_ctx (&ctx_thread, &ctx_index, sa, salen,
- &packet, thread_index);
- if (err == 0)
- {
- ctx = quic_ctx_get (ctx_index, thread_index);
- quic_receive (ctx, ctx->c_quic_ctx_id.conn, packet);
- }
- else if (ctx_thread != UINT32_MAX)
- {
- /* Connection found but on wrong thread, ask move */
- quic_move_connection_to_thread (ctx_index, ctx_thread,
- thread_index);
- }
- else if ((packet.octets.base[0] & QUICLY_PACKET_TYPE_BITMASK) ==
- QUICLY_PACKET_TYPE_INITIAL)
- {
- /* Try to find matching "opening" ctx */
- opening_ctx_pool =
- quic_main.wrk_ctx[thread_index].opening_ctx_pool;
-
- /* *INDENT-OFF* */
- pool_foreach (ctx_index_ptr, opening_ctx_pool,
- ({
- ctx = quic_ctx_get (*ctx_index_ptr, thread_index);
- if (ctx->c_quic_ctx_id.udp_session_handle == udp_session_handle)
- {
- /* Right ctx found, create conn & remove from pool */
- quic_create_connection ((quicly_context_t *) app->quicly_ctx,
- udp_session_handle, *ctx_index_ptr,
- sa, salen, packet);
- pool_put (opening_ctx_pool, ctx_index_ptr);
- goto ctx_search_done;
- }
- }));
- /* *INDENT-ON* */
-
- }
- else
- {
- quic_reset_connection ((quicly_context_t *) app->quicly_ctx,
- udp_session_handle, sa, salen, packet);
- }
+ if (packets_ctx[i].thread_index != thread_index)
+ continue;
+ 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);
+ quic_send_packets (ctx);
}
- ctx_search_done:
- svm_fifo_dequeue_drop (f,
- ph.data_length + ph.data_offset +
- SESSION_CONN_HDR_LEN);
- free (data);
+ svm_fifo_dequeue_drop (f, fifo_offset);
}
- while (1);
return rv;
}
transport_endpoint_t * tep, u8 is_lcl)
{
session_t *udp_session;
- if (ctx->c_quic_ctx_id.is_stream)
- {
- tep->is_ip4 = 255; /* well this is ugly */
- }
- else
+ if (!quic_ctx_is_stream (ctx))
{
- udp_session =
- session_get_from_handle (ctx->c_quic_ctx_id.udp_session_handle);
+ udp_session = session_get_from_handle (ctx->udp_session_handle);
session_get_endpoint (udp_session, tep, is_lcl);
}
}
app_listener_t *app_listener;
session_t *udp_listen_session;
ctx = quic_ctx_get (listener_index, vlib_get_thread_index ());
- if (ctx->is_listener)
+ if (quic_ctx_is_listener (ctx))
{
- app_listener =
- app_listener_get_w_handle (ctx->c_quic_ctx_id.udp_session_handle);
+ 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);
}
-/*****************************************************************************
- * END TRANSPORT PROTO FUNCTIONS
-*****************************************************************************/
-
/* *INDENT-OFF* */
static session_cb_vft_t quic_app_cb_vft = {
- .session_accept_callback = quic_session_accepted_callback,
- .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,
};
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 = {
+ .tx_type = TRANSPORT_TX_INTERNAL,
+ .service_type = TRANSPORT_SERVICE_APP,
+ },
};
/* *INDENT-ON* */
+static void
+quic_register_cipher_suite (tls_engine_type_t type,
+ ptls_cipher_suite_t ** ciphers)
+{
+ quic_main_t *qm = &quic_main;
+ vec_validate (qm->quic_ciphers, type);
+ 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)
{
- u32 add_segment_size = (4096ULL << 20) - 1, segment_size = 512 << 20;
+ 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];
quic_main_t *qm = &quic_main;
- u32 fifo_size = QUIC_FIFO_SIZE;
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_ADD_SEGMENT_SIZE] = add_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;
clib_bihash_init_16_8 (&qm->connection_hash, "quic connections", 1024,
4 << 20);
- if (!qm->ca_cert_path)
- qm->ca_cert_path = QUIC_DEFAULT_CA_CERT_PATH;
qm->app_index = a->app_index;
-
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);
+ quic_register_cipher_suite (CRYPTO_ENGINE_VPP, quic_crypto_cipher_suites);
+ quic_register_cipher_suite (CRYPTO_ENGINE_PICOTLS,
+ ptls_openssl_cipher_suites);
+ qm->default_cipher = CRYPTO_ENGINE_PICOTLS;
vec_free (a->name);
return 0;
}
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)
+{
+ 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_cipher = CRYPTO_ENGINE_VPP;
+ else if (unformat (input, "picotls"))
+ qm->default_cipher = CRYPTO_ENGINE_PICOTLS;
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, input);
+ return 0;
+}
+
+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)
+{
+ unformat_input_t _line_input, *line_input = &_line_input;
+ 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_data_size, &quic_main.udp_fifo_size))
+ quic_update_fifo_size ();
+ else
+ return clib_error_return (0, "unknown input '%U'",
+ format_unformat_error, line_input);
+ }
+
+ return 0;
+}
+
+static u8 *
+quic_format_ctx_stat (u8 * s, va_list * args)
+{
+ quic_ctx_t *ctx = va_arg (*args, quic_ctx_t *);
+ quicly_stats_t quicly_stats;
+
+ quicly_get_stats (ctx->conn, &quicly_stats);
+
+ s = format (s, "\n\rQUIC conn stats \n\r");
+
+ s =
+ format (s, "RTT: min:%d, smoothed:%d, variance:%d, latest:%d \n\r",
+ quicly_stats.rtt.minimum, quicly_stats.rtt.smoothed,
+ quicly_stats.rtt.variance, quicly_stats.rtt.latest);
+ s = format (s, "Packet loss:%d \n\r", quicly_stats.num_packets.lost);
+
+ return s;
+}
+
+static clib_error_t *
+quic_plugin_showstats_command_fn (vlib_main_t * vm,
+ unformat_input_t * input,
+ vlib_cli_command_t * cmd)
+{
+ quic_main_t *qm = &quic_main;
+ quic_ctx_t *ctx = NULL;
+ u32 num_workers = vlib_num_workers ();
+
+ for (int i = 0; i < num_workers + 1; i++)
+ {
+ /* *INDENT-OFF* */
+ pool_foreach (ctx, qm->ctx_pool[i],
+ ({
+ if(!(ctx->flags & QUIC_F_IS_LISTENER) && !(ctx->flags & QUIC_F_IS_STREAM))
+ vlib_cli_output (vm, "%U", quic_format_ctx_stat, ctx);
+ }));
+ /* *INDENT-ON* */
+ }
+ return 0;
+}
+
/* *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[Kb|Mb|GB] (default 64K)",
+ .function = quic_plugin_set_fifo_size_command_fn,
+};
+VLIB_CLI_COMMAND(quic_plugin_stats_command, static)=
+{
+ .path = "show quic stats",
+ .short_help = "show quic stats",
+ .function = quic_plugin_showstats_command_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.udp_fifo_size = QUIC_DEFAULT_FIFO_SIZE;
+ quic_main.udp_fifo_prealloc = 0;
+
+ while (unformat_check_input (input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat
+ (input, "fifo-size %U", unformat_data_size,
+ &quic_main.udp_fifo_size))
+ ;
+ else
+ if (unformat
+ (input, "fifo-prealloc %u", &quic_main.udp_fifo_prealloc))
+ ;
+ 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