mirror of https://github.com/openssl/openssl
101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/*
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* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OSSL_QUIC_TYPES_H
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# define OSSL_QUIC_TYPES_H
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# include <openssl/ssl.h>
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# include <assert.h>
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# include <string.h>
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# ifndef OPENSSL_NO_QUIC
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/* QUIC encryption levels. */
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# define QUIC_ENC_LEVEL_INITIAL 0
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# define QUIC_ENC_LEVEL_HANDSHAKE 1
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# define QUIC_ENC_LEVEL_0RTT 2
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# define QUIC_ENC_LEVEL_1RTT 3
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# define QUIC_ENC_LEVEL_NUM 4
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/* QUIC packet number spaces. */
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# define QUIC_PN_SPACE_INITIAL 0
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# define QUIC_PN_SPACE_HANDSHAKE 1
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# define QUIC_PN_SPACE_APP 2
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# define QUIC_PN_SPACE_NUM 3
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static ossl_unused ossl_inline uint32_t
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ossl_quic_enc_level_to_pn_space(uint32_t enc_level)
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{
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switch (enc_level) {
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case QUIC_ENC_LEVEL_INITIAL:
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return QUIC_PN_SPACE_INITIAL;
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case QUIC_ENC_LEVEL_HANDSHAKE:
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return QUIC_PN_SPACE_HANDSHAKE;
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case QUIC_ENC_LEVEL_0RTT:
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case QUIC_ENC_LEVEL_1RTT:
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return QUIC_PN_SPACE_APP;
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default:
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assert(0);
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return QUIC_PN_SPACE_APP;
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}
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}
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/* QUIC packet number spaces. */
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# define QUIC_PN_SPACE_INITIAL 0
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# define QUIC_PN_SPACE_HANDSHAKE 1
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# define QUIC_PN_SPACE_APP 2
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# define QUIC_PN_SPACE_NUM 3
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/* QUIC packet number representation. */
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typedef uint64_t QUIC_PN;
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# define QUIC_PN_INVALID UINT64_MAX
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static ossl_unused ossl_inline QUIC_PN ossl_quic_pn_max(QUIC_PN a, QUIC_PN b)
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{
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return a > b ? a : b;
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}
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static ossl_unused ossl_inline QUIC_PN ossl_quic_pn_min(QUIC_PN a, QUIC_PN b)
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{
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return a < b ? a : b;
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}
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/* QUIC connection ID representation. */
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# define QUIC_MAX_CONN_ID_LEN 20
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typedef struct quic_conn_id_st {
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unsigned char id_len, id[QUIC_MAX_CONN_ID_LEN];
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} QUIC_CONN_ID;
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static ossl_unused ossl_inline int ossl_quic_conn_id_eq(const QUIC_CONN_ID *a,
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const QUIC_CONN_ID *b)
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{
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if (a->id_len != b->id_len || a->id_len > QUIC_MAX_CONN_ID_LEN)
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return 0;
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return memcmp(a->id, b->id, a->id_len) == 0;
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}
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# define QUIC_MIN_INITIAL_DGRAM_LEN 1200
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# define QUIC_DEFAULT_ACK_DELAY_EXP 3
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# define QUIC_MAX_ACK_DELAY_EXP 20
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# define QUIC_DEFAULT_MAX_ACK_DELAY 25
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# define QUIC_MIN_ACTIVE_CONN_ID_LIMIT 2
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/* Arbitrary choice of default idle timeout (not an RFC value). */
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# define QUIC_DEFAULT_IDLE_TIMEOUT 30000
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# define QUIC_STATELESS_RESET_TOKEN_LEN 16
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# endif
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#endif
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