Integrate first QUIC protocol implementation

Currently supports on single stream exposed through standard internal APIs
Based on libquicly & picotls by h2o

Change-Id: I7bc1ec0e399d1fb02bfd1da91aa7410076d08d14
Signed-off-by: Nathan Skrzypczak <nathan.skrzypczak@gmail.com>

1 files changed, 118 insertions, 0 deletions

diff --git a/src/plugins/quic/quic.h b/src/plugins/quic/quic.h
new file mode 100644
index 00000000000..f574b29a583
--- /dev/null
+++ b/src/plugins/quic/quic.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __included_quic_h__
+#define __included_quic_h__
+
+#include <vnet/session/application_interface.h>
+
+#include <vppinfra/lock.h>
+#include <vppinfra/tw_timer_1t_3w_1024sl_ov.h>
+
+#include <quicly.h>
+
+#define QUIC_DEBUG       4
+#define QUIC_DEBUG_LEVEL_CLIENT  0
+#define QUIC_DEBUG_LEVEL_SERVER  0
+
+#define QUIC_DEFAULT_CA_CERT_PATH        "/etc/ssl/certs/ca-certificates.crt"
+
+#define QUIC_TIMER_HANDLE_INVALID ((u32) ~0)
+
+#define QUIC_TSTAMP_RESOLUTION  0.001	/* QUIC tick resolution (1ms) */
+
+
+#if QUIC_DEBUG
+#define QUIC_DBG(_lvl, _fmt, _args...)           \
+  if (_lvl <= QUIC_DEBUG)                \
+    clib_warning (_fmt, ##_args)
+#else
+#define QUIC_DBG(_lvl, _fmt, _args...)
+#endif
+
+#define QUIC_CONN_STATE_HANDSHAKE 0
+#define QUIC_CONN_STATE_READY     1
+
+
+/* *INDENT-OFF* */
+typedef CLIB_PACKED (struct quic_ctx_id_
+{
+  session_handle_t app_session;
+  session_handle_t quic_session;
+  u32 parent_app_wrk_idx;
+  u32 parent_app_id;
+  u32 listener_ctx_id;
+  u32 timer_handle;
+  quicly_conn_t *conn;
+  u8 udp_is_ip4;
+  u8 conn_state;
+}) quic_ctx_id_t;
+/* *INDENT-ON* */
+
+STATIC_ASSERT (sizeof (quic_ctx_id_t) <= 42, "ctx id must be less than 42");
+
+typedef struct quic_ctx_
+{
+  union
+  {
+    transport_connection_t connection;
+    quic_ctx_id_t c_quic_ctx_id;
+  };
+
+  quicly_stream_t *stream;
+  u8 *srv_hostname;
+  u32 client_opaque;
+  u8 is_listener;
+} quic_ctx_t;
+
+typedef struct quic_worker_ctx_
+{
+  CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
+  u32 time_now;					/**< worker time */
+  tw_timer_wheel_1t_3w_1024sl_ov_t timer_wheel;	   /**< worker timer wheel */
+  u32 *tx_buffers;				/**< tx buffer free list */
+} quic_worker_ctx_t;
+
+typedef struct quic_main_
+{
+  u32 app_index;
+  quic_ctx_t *half_open_ctx_pool;
+  quic_ctx_t **ctx_pool;
+  clib_rwlock_t half_open_rwlock;
+  quic_worker_ctx_t *wrk_ctx;
+  f64 tstamp_ticks_per_clock;
+
+
+  /*
+   * Config
+   */
+  quicly_context_t quicly_ctx;
+  ptls_handshake_properties_t hs_properties;
+  quicly_cid_plaintext_t next_cid;
+  u8 use_test_cert_in_ca;
+  char *ca_cert_path;
+} quic_main_t;
+
+quic_main_t *vnet_quic_get_main (void);
+
+#endif /* __included_quic_h__ */
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */