include/uapi/linux/mptcp_pm.h

Source file repositories/reference/linux-study-clean/include/uapi/linux/mptcp_pm.h

File Facts

System
Linux kernel
Corpus path
include/uapi/linux/mptcp_pm.h
Extension
.h
Size
4689 bytes
Lines
154
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _UAPI_LINUX_MPTCP_PM_H
#define _UAPI_LINUX_MPTCP_PM_H

#define MPTCP_PM_NAME	"mptcp_pm"
#define MPTCP_PM_VER	1

/**
 * enum mptcp_event_type - Netlink MPTCP event types
 * @MPTCP_EVENT_UNSPEC: unused event
 * @MPTCP_EVENT_CREATED: A new MPTCP connection has been created. It is the
 *   good time to allocate memory and send ADD_ADDR if needed. Depending on the
 *   traffic-patterns it can take a long time until the MPTCP_EVENT_ESTABLISHED
 *   is sent. Attributes: token, family, saddr4 | saddr6, daddr4 | daddr6,
 *   sport, dport, [server-side], [flags].
 * @MPTCP_EVENT_ESTABLISHED: A MPTCP connection is established (can start new
 *   subflows). Attributes: token, family, saddr4 | saddr6, daddr4 | daddr6,
 *   sport, dport, [server-side], [flags].
 * @MPTCP_EVENT_CLOSED: A MPTCP connection has stopped. Attribute: token.
 * @MPTCP_EVENT_ANNOUNCED: A new address has been announced by the peer.
 *   Attributes: token, rem_id, family, daddr4 | daddr6 [, dport].
 * @MPTCP_EVENT_REMOVED: An address has been lost by the peer. Attributes:
 *   token, rem_id.
 * @MPTCP_EVENT_SUB_ESTABLISHED: A new subflow has been established. 'error'
 *   should not be set. Attributes: token, family, loc_id, rem_id, saddr4 |
 *   saddr6, daddr4 | daddr6, sport, dport, backup, if-idx [, error].
 * @MPTCP_EVENT_SUB_CLOSED: A subflow has been closed. An error (copy of
 *   sk_err) could be set if an error has been detected for this subflow.
 *   Attributes: token, family, loc_id, rem_id, saddr4 | saddr6, daddr4 |
 *   daddr6, sport, dport, backup, if-idx [, error].
 * @MPTCP_EVENT_SUB_PRIORITY: The priority of a subflow has changed. 'error'
 *   should not be set. Attributes: token, family, loc_id, rem_id, saddr4 |
 *   saddr6, daddr4 | daddr6, sport, dport, backup, if-idx [, error].
 * @MPTCP_EVENT_LISTENER_CREATED: A new PM listener is created. Attributes:
 *   family, sport, saddr4 | saddr6.
 * @MPTCP_EVENT_LISTENER_CLOSED: A PM listener is closed. Attributes: family,
 *   sport, saddr4 | saddr6.
 */
enum mptcp_event_type {
	MPTCP_EVENT_UNSPEC,
	MPTCP_EVENT_CREATED,
	MPTCP_EVENT_ESTABLISHED,
	MPTCP_EVENT_CLOSED,
	MPTCP_EVENT_ANNOUNCED = 6,
	MPTCP_EVENT_REMOVED,
	MPTCP_EVENT_SUB_ESTABLISHED = 10,
	MPTCP_EVENT_SUB_CLOSED,
	MPTCP_EVENT_SUB_PRIORITY = 13,
	MPTCP_EVENT_LISTENER_CREATED = 15,
	MPTCP_EVENT_LISTENER_CLOSED,
};

enum {
	MPTCP_PM_ADDR_ATTR_UNSPEC,
	MPTCP_PM_ADDR_ATTR_FAMILY,
	MPTCP_PM_ADDR_ATTR_ID,
	MPTCP_PM_ADDR_ATTR_ADDR4,
	MPTCP_PM_ADDR_ATTR_ADDR6,
	MPTCP_PM_ADDR_ATTR_PORT,
	MPTCP_PM_ADDR_ATTR_FLAGS,
	MPTCP_PM_ADDR_ATTR_IF_IDX,

	__MPTCP_PM_ADDR_ATTR_MAX
};
#define MPTCP_PM_ADDR_ATTR_MAX (__MPTCP_PM_ADDR_ATTR_MAX - 1)

enum {
	MPTCP_SUBFLOW_ATTR_UNSPEC,
	MPTCP_SUBFLOW_ATTR_TOKEN_REM,
	MPTCP_SUBFLOW_ATTR_TOKEN_LOC,
	MPTCP_SUBFLOW_ATTR_RELWRITE_SEQ,
	MPTCP_SUBFLOW_ATTR_MAP_SEQ,
	MPTCP_SUBFLOW_ATTR_MAP_SFSEQ,
	MPTCP_SUBFLOW_ATTR_SSN_OFFSET,
	MPTCP_SUBFLOW_ATTR_MAP_DATALEN,
	MPTCP_SUBFLOW_ATTR_FLAGS,
	MPTCP_SUBFLOW_ATTR_ID_REM,
	MPTCP_SUBFLOW_ATTR_ID_LOC,
	MPTCP_SUBFLOW_ATTR_PAD,

	__MPTCP_SUBFLOW_ATTR_MAX
};
#define MPTCP_SUBFLOW_ATTR_MAX (__MPTCP_SUBFLOW_ATTR_MAX - 1)

enum {
	MPTCP_PM_ENDPOINT_ADDR = 1,

	__MPTCP_PM_ENDPOINT_MAX
};
#define MPTCP_PM_ENDPOINT_MAX (__MPTCP_PM_ENDPOINT_MAX - 1)

Annotation

Implementation Notes