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Date: Mon, 11 Mar 2024 12:10:24 -0400
From: Xin Long <lucien.xin@...il.com>
To: network dev <netdev@...r.kernel.org>
Cc: davem@...emloft.net,
kuba@...nel.org,
Eric Dumazet <edumazet@...gle.com>,
Paolo Abeni <pabeni@...hat.com>,
Steve French <smfrench@...il.com>,
Namjae Jeon <linkinjeon@...nel.org>,
Chuck Lever III <chuck.lever@...cle.com>,
Jeff Layton <jlayton@...nel.org>,
Sabrina Dubroca <sd@...asysnail.net>,
Tyler Fanelli <tfanelli@...hat.com>,
Pengtao He <hepengtao@...omi.com>
Subject: [RFC PATCH net-next 2/5] net: include quic.h in include/uapi/linux for QUIC protocol
This commit introduces quic.h to the include/uapi/linux directory,
providing header file with necessary definitions for QUIC. Including
quic.h enables both user space applications and kernel consumers to
access QUIC-related Send/Receive Control Messages, Socket Options and
Events/Notifications APIs.
Signed-off-by: Xin Long <lucien.xin@...il.com>
Signed-off-by: Tyler Fanelli <tfanelli@...hat.com>
Signed-off-by: Pengtao He <hepengtao@...omi.com>
---
include/uapi/linux/quic.h | 189 ++++++++++++++++++++++++++++++++++++++
1 file changed, 189 insertions(+)
create mode 100644 include/uapi/linux/quic.h
diff --git a/include/uapi/linux/quic.h b/include/uapi/linux/quic.h
new file mode 100644
index 000000000000..8cde5c989573
--- /dev/null
+++ b/include/uapi/linux/quic.h
@@ -0,0 +1,189 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/* QUIC kernel implementation
+ * (C) Copyright Red Hat Corp. 2023
+ *
+ * This file is part of the QUIC kernel implementation
+ *
+ * Written or modified by:
+ * Xin Long <lucien.xin@...il.com>
+ */
+
+#ifndef __uapi_quic_h__
+#define __uapi_quic_h__
+
+#include <linux/socket.h>
+#ifdef __KERNEL__
+#include <linux/types.h>
+#else
+#include <stdint.h>
+#endif
+
+/* Send or Receive Options APIs */
+enum quic_cmsg_type {
+ QUIC_STREAM_INFO,
+ QUIC_HANDSHAKE_INFO,
+};
+
+#define QUIC_STREAM_TYPE_SERVER_MASK 0x01
+#define QUIC_STREAM_TYPE_UNI_MASK 0x02
+#define QUIC_STREAM_TYPE_MASK 0x03
+
+enum {
+ QUIC_STREAM_FLAG_NEW = (1 << 0),
+ QUIC_STREAM_FLAG_FIN = (1 << 1),
+ QUIC_STREAM_FLAG_UNI = (1 << 2),
+ QUIC_STREAM_FLAG_ASYNC = (1 << 3),
+ QUIC_STREAM_FLAG_NOTIFICATION = (1 << 4),
+ QUIC_STREAM_FLAG_DATAGRAM = (1 << 5),
+};
+
+enum quic_crypto_level {
+ QUIC_CRYPTO_APP,
+ QUIC_CRYPTO_INITIAL,
+ QUIC_CRYPTO_HANDSHAKE,
+ QUIC_CRYPTO_EARLY,
+ QUIC_CRYPTO_MAX,
+};
+
+struct quic_handshake_info {
+ uint8_t crypto_level;
+};
+
+struct quic_stream_info {
+ uint64_t stream_id;
+ uint32_t stream_flag;
+};
+
+enum quic_msg_flags {
+ MSG_NOTIFICATION = 0x8000,
+ MSG_STREAM_UNI = 0x800,
+ MSG_DATAGRAM = 0x10,
+};
+
+/* Socket Options APIs */
+#define QUIC_SOCKOPT_EVENT 0
+#define QUIC_SOCKOPT_STREAM_OPEN 1
+#define QUIC_SOCKOPT_STREAM_RESET 2
+#define QUIC_SOCKOPT_STREAM_STOP_SENDING 3
+#define QUIC_SOCKOPT_CONNECTION_CLOSE 4
+#define QUIC_SOCKOPT_CONNECTION_MIGRATION 5
+#define QUIC_SOCKOPT_KEY_UPDATE 6
+#define QUIC_SOCKOPT_TRANSPORT_PARAM 7
+#define QUIC_SOCKOPT_TOKEN 8
+#define QUIC_SOCKOPT_ALPN 9
+#define QUIC_SOCKOPT_SESSION_TICKET 10
+#define QUIC_SOCKOPT_CRYPTO_SECRET 11
+#define QUIC_SOCKOPT_TRANSPORT_PARAM_EXT 12
+#define QUIC_SOCKOPT_RETIRE_CONNECTION_ID 13
+#define QUIC_SOCKOPT_ACTIVE_CONNECTION_ID 14
+
+#define QUIC_VERSION_V1 0x1
+#define QUIC_VERSION_V2 0x6b3343cf
+
+struct quic_transport_param {
+ uint8_t remote;
+ uint8_t disable_active_migration;
+ uint8_t grease_quic_bit;
+ uint8_t stateless_reset;
+ uint8_t disable_1rtt_encryption;
+ uint8_t disable_compatible_version;
+ uint64_t max_udp_payload_size;
+ uint64_t ack_delay_exponent;
+ uint64_t max_ack_delay;
+ uint64_t active_connection_id_limit;
+ uint64_t max_idle_timeout;
+ uint64_t max_datagram_frame_size;
+ uint64_t max_data;
+ uint64_t max_stream_data_bidi_local;
+ uint64_t max_stream_data_bidi_remote;
+ uint64_t max_stream_data_uni;
+ uint64_t max_streams_bidi;
+ uint64_t max_streams_uni;
+ uint64_t initial_smoothed_rtt;
+ uint32_t plpmtud_probe_timeout;
+ uint8_t validate_peer_address;
+ uint8_t receive_session_ticket;
+ uint8_t certificate_request;
+ uint8_t congestion_control_alg;
+ uint32_t payload_cipher_type;
+ uint32_t version;
+};
+
+struct quic_crypto_secret {
+ uint8_t level; /* crypto level */
+ uint16_t send; /* send or recv */
+ uint32_t type; /* TLS_CIPHER_* */
+ uint8_t secret[48];
+};
+
+enum {
+ QUIC_CONG_ALG_RENO,
+ QUIC_CONG_ALG_MAX,
+};
+
+struct quic_errinfo {
+ uint64_t stream_id;
+ uint32_t errcode;
+};
+
+struct quic_connection_id_info {
+ uint32_t source;
+ uint32_t dest;
+};
+
+struct quic_event_option {
+ uint8_t type;
+ uint8_t on;
+};
+
+/* Event APIs */
+enum quic_event_type {
+ QUIC_EVENT_NONE,
+ QUIC_EVENT_STREAM_UPDATE,
+ QUIC_EVENT_STREAM_MAX_STREAM,
+ QUIC_EVENT_CONNECTION_CLOSE,
+ QUIC_EVENT_CONNECTION_MIGRATION,
+ QUIC_EVENT_KEY_UPDATE,
+ QUIC_EVENT_NEW_TOKEN,
+ QUIC_EVENT_END,
+ QUIC_EVENT_MAX = QUIC_EVENT_END - 1,
+};
+
+enum {
+ QUIC_STREAM_SEND_STATE_READY,
+ QUIC_STREAM_SEND_STATE_SEND,
+ QUIC_STREAM_SEND_STATE_SENT,
+ QUIC_STREAM_SEND_STATE_RECVD,
+ QUIC_STREAM_SEND_STATE_RESET_SENT,
+ QUIC_STREAM_SEND_STATE_RESET_RECVD,
+
+ QUIC_STREAM_RECV_STATE_RECV,
+ QUIC_STREAM_RECV_STATE_SIZE_KNOWN,
+ QUIC_STREAM_RECV_STATE_RECVD,
+ QUIC_STREAM_RECV_STATE_READ,
+ QUIC_STREAM_RECV_STATE_RESET_RECVD,
+ QUIC_STREAM_RECV_STATE_RESET_READ,
+};
+
+struct quic_stream_update {
+ uint64_t id;
+ uint32_t state;
+ uint32_t errcode;
+ uint64_t finalsz;
+};
+
+struct quic_connection_close {
+ uint32_t errcode;
+ uint8_t frame;
+ uint8_t phrase[];
+};
+
+union quic_event {
+ struct quic_stream_update update;
+ struct quic_connection_close close;
+ uint64_t max_stream;
+ uint8_t local_migration;
+ uint8_t key_update_phase;
+};
+
+#endif /* __uapi_quic_h__ */
--
2.43.0
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