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- /*
- * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the Apache License 2.0 (the "License"). You may not use
- * this file except in compliance with the License. You can obtain a copy
- * in the file LICENSE in the source distribution or at
- * https://www.openssl.org/source/license.html
- */
- #ifndef OSSL_QUIC_TYPES_H
- # define OSSL_QUIC_TYPES_H
- # include <openssl/ssl.h>
- # include <assert.h>
- # include <string.h>
- /* QUIC encryption levels. */
- #define QUIC_ENC_LEVEL_INITIAL 0
- #define QUIC_ENC_LEVEL_HANDSHAKE 1
- #define QUIC_ENC_LEVEL_0RTT 2
- #define QUIC_ENC_LEVEL_1RTT 3
- #define QUIC_ENC_LEVEL_NUM 4
- /* QUIC packet number spaces. */
- #define QUIC_PN_SPACE_INITIAL 0
- #define QUIC_PN_SPACE_HANDSHAKE 1
- #define QUIC_PN_SPACE_APP 2
- #define QUIC_PN_SPACE_NUM 3
- static ossl_unused ossl_inline uint32_t
- ossl_quic_enc_level_to_pn_space(uint32_t enc_level)
- {
- switch (enc_level) {
- case QUIC_ENC_LEVEL_INITIAL:
- return QUIC_PN_SPACE_INITIAL;
- case QUIC_ENC_LEVEL_HANDSHAKE:
- return QUIC_PN_SPACE_HANDSHAKE;
- case QUIC_ENC_LEVEL_0RTT:
- case QUIC_ENC_LEVEL_1RTT:
- return QUIC_PN_SPACE_APP;
- default:
- assert(0);
- return QUIC_PN_SPACE_APP;
- }
- }
- /* QUIC packet number spaces. */
- #define QUIC_PN_SPACE_INITIAL 0
- #define QUIC_PN_SPACE_HANDSHAKE 1
- #define QUIC_PN_SPACE_APP 2
- #define QUIC_PN_SPACE_NUM 3
- /* QUIC packet number representation. */
- typedef uint64_t QUIC_PN;
- # define QUIC_PN_INVALID UINT64_MAX
- static ossl_unused ossl_inline QUIC_PN ossl_quic_pn_max(QUIC_PN a, QUIC_PN b)
- {
- return a > b ? a : b;
- }
- static ossl_unused ossl_inline QUIC_PN ossl_quic_pn_min(QUIC_PN a, QUIC_PN b)
- {
- return a < b ? a : b;
- }
- /* QUIC connection ID representation. */
- #define QUIC_MAX_CONN_ID_LEN 20
- typedef struct quic_conn_id_st {
- unsigned char id_len, id[QUIC_MAX_CONN_ID_LEN];
- } QUIC_CONN_ID;
- static ossl_unused ossl_inline int ossl_quic_conn_id_eq(const QUIC_CONN_ID *a,
- const QUIC_CONN_ID *b)
- {
- if (a->id_len != b->id_len || a->id_len > QUIC_MAX_CONN_ID_LEN)
- return 0;
- return memcmp(a->id, b->id, a->id_len) == 0;
- }
- #define QUIC_MIN_INITIAL_DGRAM_LEN 1200
- #endif
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