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/*
* 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 <vppinfra/bihash_16_8.h>
#include <quicly.h>
/* QUIC log levels
* 1 - errors
* 2 - connection/stream events
* 3 - packet events
* 4 - timer events
**/
#define QUIC_DEBUG 0
#define QUIC_DEFAULT_CA_CERT_PATH "/etc/ssl/certs/ca-certificates.crt"
#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_OPENED 0
#define QUIC_CONN_STATE_HANDSHAKE 1
#define QUIC_CONN_STATE_READY 2
/* *INDENT-OFF* */
typedef CLIB_PACKED (struct quic_ctx_id_
{
u32 parent_app_wrk_id;
u32 parent_app_id;
union {
CLIB_PACKED (struct {
session_handle_t udp_session_handle;
quicly_conn_t *conn;
u32 listener_ctx_id;
u8 udp_is_ip4;
});
CLIB_PACKED (struct {
quicly_stream_t *stream;
u32 quic_connection_ctx_id;
});
};
u8 is_stream;
}) quic_ctx_id_t;
/* *INDENT-ON* */
STATIC_ASSERT (sizeof (quic_ctx_id_t) <= 42, "ctx id must be less than 42");
/* This structure is used to implement the concept of VPP connection for QUIC.
* We create one per connection and one per stream. */
typedef struct quic_ctx_
{
union
{
transport_connection_t connection;
quic_ctx_id_t c_quic_ctx_id;
};
u8 *srv_hostname;
u32 client_opaque;
u32 timer_handle;
u8 conn_state;
u8 is_listener;
} quic_ctx_t;
typedef struct quic_stream_data_
{
u32 ctx_id;
u32 thread_index;
u32 app_rx_data_len; /* bytes received, to be read by external app */
} quic_stream_data_t;
typedef struct quic_worker_ctx_
{
CLIB_CACHE_LINE_ALIGN_MARK (cacheline0);
int64_t time_now; /**< worker time */
tw_timer_wheel_1t_3w_1024sl_ov_t timer_wheel; /**< worker timer wheel */
u32 *opening_ctx_pool;
} quic_worker_ctx_t;
typedef struct quic_main_
{
u32 app_index;
quic_ctx_t **ctx_pool;
quic_worker_ctx_t *wrk_ctx;
clib_bihash_16_8_t connection_hash; /* quicly connection id -> conn handle */
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;
#endif /* __included_quic_h__ */
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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