diff options
Diffstat (limited to 'include/haproxy/quic_tp-t.h')
| -rw-r--r-- | include/haproxy/quic_tp-t.h | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/include/haproxy/quic_tp-t.h b/include/haproxy/quic_tp-t.h new file mode 100644 index 0000000..4897441 --- /dev/null +++ b/include/haproxy/quic_tp-t.h @@ -0,0 +1,118 @@ +#ifndef _HAPROXY_QUIC_TP_T_H +#define _HAPROXY_QUIC_TP_T_H +#ifdef USE_QUIC +#ifndef USE_OPENSSL +#error "Must define USE_OPENSSL" +#endif + +#include <inttypes.h> +#include <sys/socket.h> +#include <netinet/in.h> + +#define QUIC_STATELESS_RESET_TOKEN_LEN 16 + +/* Default QUIC connection transport parameters */ +extern struct quic_transport_params quic_dflt_transport_params; + +struct tp_cid { + uint8_t len; + uint8_t data[20]; +}; + +struct tp_preferred_address { + uint16_t ipv4_port; + uint16_t ipv6_port; + struct in_addr ipv4_addr; + struct in6_addr ipv6_addr; + struct tp_cid cid; + uint8_t stateless_reset_token[QUIC_STATELESS_RESET_TOKEN_LEN]; +}; + +struct tp_version_information { + uint32_t chosen; + const struct quic_version *negotiated_version; +}; + +/* Default values for the absent transport parameters */ +#define QUIC_TP_DFLT_MAX_UDP_PAYLOAD_SIZE 65527 /* bytes */ +#define QUIC_TP_DFLT_ACK_DELAY_COMPONENT 3 /* milliseconds */ +#define QUIC_TP_DFLT_MAX_ACK_DELAY 25 /* milliseconds */ +#define QUIC_TP_DFLT_ACTIVE_CONNECTION_ID_LIMIT 2 /* number of connections */ +/* These ones are our implementation default values when not set + * by configuration + */ +#define QUIC_TP_DFLT_FRONT_MAX_IDLE_TIMEOUT 30000 /* milliseconds */ +#define QUIC_TP_DFLT_FRONT_MAX_STREAMS_BIDI 100 +#define QUIC_TP_DFLT_BACK_MAX_IDLE_TIMEOUT 30000 /* milliseconds */ + +/* Types of QUIC transport parameters */ +#define QUIC_TP_ORIGINAL_DESTINATION_CONNECTION_ID 0x00 +#define QUIC_TP_MAX_IDLE_TIMEOUT 0x01 +#define QUIC_TP_STATELESS_RESET_TOKEN 0x02 +#define QUIC_TP_MAX_UDP_PAYLOAD_SIZE 0x03 +#define QUIC_TP_INITIAL_MAX_DATA 0x04 +#define QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_LOCAL 0x05 +#define QUIC_TP_INITIAL_MAX_STREAM_DATA_BIDI_REMOTE 0x06 +#define QUIC_TP_INITIAL_MAX_STREAM_DATA_UNI 0x07 +#define QUIC_TP_INITIAL_MAX_STREAMS_BIDI 0x08 +#define QUIC_TP_INITIAL_MAX_STREAMS_UNI 0x09 +#define QUIC_TP_ACK_DELAY_EXPONENT 0x0a +#define QUIC_TP_MAX_ACK_DELAY 0x0b +#define QUIC_TP_DISABLE_ACTIVE_MIGRATION 0x0c +#define QUIC_TP_PREFERRED_ADDRESS 0x0d +#define QUIC_TP_ACTIVE_CONNECTION_ID_LIMIT 0x0e +#define QUIC_TP_INITIAL_SOURCE_CONNECTION_ID 0x0f +#define QUIC_TP_RETRY_SOURCE_CONNECTION_ID 0x10 +#define QUIC_TP_VERSION_INFORMATION 0x11 + +/* + * These defines are not for transport parameter type, but the maximum accepted value for + * transport parameter types. + */ +#define QUIC_TP_ACK_DELAY_EXPONENT_LIMIT 20 +#define QUIC_TP_MAX_ACK_DELAY_LIMIT (1UL << 14) + +/* The maximum length of encoded transport parameters for any QUIC peer. */ +#define QUIC_TP_MAX_ENCLEN 128 +/* + * QUIC transport parameters. + * Note that forbidden parameters sent by clients MUST generate TRANSPORT_PARAMETER_ERROR errors. + */ +struct quic_transport_params { + uint64_t max_idle_timeout; + uint64_t max_udp_payload_size; /* Default: 65527 bytes (max of UDP payload for IPv6) */ + uint64_t initial_max_data; + uint64_t initial_max_stream_data_bidi_local; + uint64_t initial_max_stream_data_bidi_remote; + uint64_t initial_max_stream_data_uni; + uint64_t initial_max_streams_bidi; + uint64_t initial_max_streams_uni; + uint64_t ack_delay_exponent; /* Default: 3, max: 20 */ + uint64_t max_ack_delay; /* Default: 3ms, max: 2^14ms*/ + uint64_t active_connection_id_limit; + + /* Booleans */ + uint8_t disable_active_migration; + uint8_t with_stateless_reset_token; + uint8_t with_preferred_address; + uint8_t original_destination_connection_id_present; + uint8_t initial_source_connection_id_present; + + uint8_t stateless_reset_token[QUIC_STATELESS_RESET_TOKEN_LEN]; /* Forbidden for clients */ + /* + * MUST be sent by servers. + * When received by clients, must be set to 1 if present. + */ + struct tp_cid original_destination_connection_id; /* Forbidden for clients */ + /* + * MUST be sent by servers after Retry. + */ + struct tp_cid retry_source_connection_id; /* Forbidden for clients */ + /* MUST be present both for servers and clients. */ + struct tp_cid initial_source_connection_id; + struct tp_preferred_address preferred_address; /* Forbidden for clients */ + struct tp_version_information version_information; +}; + +#endif /* USE_QUIC */ +#endif /* _HAPROXY_QUIC_TP_T_H */ |