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183 lines
5.1 KiB
183 lines
5.1 KiB
/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
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#ifndef _UAPI_MPTCP_H |
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#define _UAPI_MPTCP_H |
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#include <linux/const.h> |
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#include <linux/types.h> |
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#define MPTCP_SUBFLOW_FLAG_MCAP_REM _BITUL(0) |
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#define MPTCP_SUBFLOW_FLAG_MCAP_LOC _BITUL(1) |
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#define MPTCP_SUBFLOW_FLAG_JOIN_REM _BITUL(2) |
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#define MPTCP_SUBFLOW_FLAG_JOIN_LOC _BITUL(3) |
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#define MPTCP_SUBFLOW_FLAG_BKUP_REM _BITUL(4) |
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#define MPTCP_SUBFLOW_FLAG_BKUP_LOC _BITUL(5) |
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#define MPTCP_SUBFLOW_FLAG_FULLY_ESTABLISHED _BITUL(6) |
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#define MPTCP_SUBFLOW_FLAG_CONNECTED _BITUL(7) |
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#define MPTCP_SUBFLOW_FLAG_MAPVALID _BITUL(8) |
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enum { |
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MPTCP_SUBFLOW_ATTR_UNSPEC, |
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MPTCP_SUBFLOW_ATTR_TOKEN_REM, |
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MPTCP_SUBFLOW_ATTR_TOKEN_LOC, |
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MPTCP_SUBFLOW_ATTR_RELWRITE_SEQ, |
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MPTCP_SUBFLOW_ATTR_MAP_SEQ, |
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MPTCP_SUBFLOW_ATTR_MAP_SFSEQ, |
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MPTCP_SUBFLOW_ATTR_SSN_OFFSET, |
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MPTCP_SUBFLOW_ATTR_MAP_DATALEN, |
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MPTCP_SUBFLOW_ATTR_FLAGS, |
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MPTCP_SUBFLOW_ATTR_ID_REM, |
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MPTCP_SUBFLOW_ATTR_ID_LOC, |
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MPTCP_SUBFLOW_ATTR_PAD, |
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__MPTCP_SUBFLOW_ATTR_MAX |
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}; |
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#define MPTCP_SUBFLOW_ATTR_MAX (__MPTCP_SUBFLOW_ATTR_MAX - 1) |
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/* netlink interface */ |
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#define MPTCP_PM_NAME "mptcp_pm" |
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#define MPTCP_PM_CMD_GRP_NAME "mptcp_pm_cmds" |
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#define MPTCP_PM_EV_GRP_NAME "mptcp_pm_events" |
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#define MPTCP_PM_VER 0x1 |
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/* |
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* ATTR types defined for MPTCP |
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*/ |
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enum { |
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MPTCP_PM_ATTR_UNSPEC, |
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MPTCP_PM_ATTR_ADDR, /* nested address */ |
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MPTCP_PM_ATTR_RCV_ADD_ADDRS, /* u32 */ |
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MPTCP_PM_ATTR_SUBFLOWS, /* u32 */ |
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__MPTCP_PM_ATTR_MAX |
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}; |
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#define MPTCP_PM_ATTR_MAX (__MPTCP_PM_ATTR_MAX - 1) |
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enum { |
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MPTCP_PM_ADDR_ATTR_UNSPEC, |
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MPTCP_PM_ADDR_ATTR_FAMILY, /* u16 */ |
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MPTCP_PM_ADDR_ATTR_ID, /* u8 */ |
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MPTCP_PM_ADDR_ATTR_ADDR4, /* struct in_addr */ |
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MPTCP_PM_ADDR_ATTR_ADDR6, /* struct in6_addr */ |
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MPTCP_PM_ADDR_ATTR_PORT, /* u16 */ |
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MPTCP_PM_ADDR_ATTR_FLAGS, /* u32 */ |
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MPTCP_PM_ADDR_ATTR_IF_IDX, /* s32 */ |
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__MPTCP_PM_ADDR_ATTR_MAX |
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}; |
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#define MPTCP_PM_ADDR_ATTR_MAX (__MPTCP_PM_ADDR_ATTR_MAX - 1) |
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#define MPTCP_PM_ADDR_FLAG_SIGNAL (1 << 0) |
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#define MPTCP_PM_ADDR_FLAG_SUBFLOW (1 << 1) |
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#define MPTCP_PM_ADDR_FLAG_BACKUP (1 << 2) |
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enum { |
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MPTCP_PM_CMD_UNSPEC, |
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MPTCP_PM_CMD_ADD_ADDR, |
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MPTCP_PM_CMD_DEL_ADDR, |
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MPTCP_PM_CMD_GET_ADDR, |
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MPTCP_PM_CMD_FLUSH_ADDRS, |
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MPTCP_PM_CMD_SET_LIMITS, |
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MPTCP_PM_CMD_GET_LIMITS, |
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MPTCP_PM_CMD_SET_FLAGS, |
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__MPTCP_PM_CMD_AFTER_LAST |
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}; |
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#define MPTCP_INFO_FLAG_FALLBACK _BITUL(0) |
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#define MPTCP_INFO_FLAG_REMOTE_KEY_RECEIVED _BITUL(1) |
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struct mptcp_info { |
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__u8 mptcpi_subflows; |
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__u8 mptcpi_add_addr_signal; |
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__u8 mptcpi_add_addr_accepted; |
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__u8 mptcpi_subflows_max; |
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__u8 mptcpi_add_addr_signal_max; |
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__u8 mptcpi_add_addr_accepted_max; |
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__u32 mptcpi_flags; |
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__u32 mptcpi_token; |
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__u64 mptcpi_write_seq; |
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__u64 mptcpi_snd_una; |
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__u64 mptcpi_rcv_nxt; |
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__u8 mptcpi_local_addr_used; |
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__u8 mptcpi_local_addr_max; |
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}; |
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/* |
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* MPTCP_EVENT_CREATED: token, family, saddr4 | saddr6, daddr4 | daddr6, |
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* sport, dport |
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* A new MPTCP connection has been created. It is the good time to allocate |
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* memory and send ADD_ADDR if needed. Depending on the traffic-patterns |
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* it can take a long time until the MPTCP_EVENT_ESTABLISHED is sent. |
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* |
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* MPTCP_EVENT_ESTABLISHED: token, family, saddr4 | saddr6, daddr4 | daddr6, |
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* sport, dport |
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* A MPTCP connection is established (can start new subflows). |
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* |
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* MPTCP_EVENT_CLOSED: token |
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* A MPTCP connection has stopped. |
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* |
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* MPTCP_EVENT_ANNOUNCED: token, rem_id, family, daddr4 | daddr6 [, dport] |
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* A new address has been announced by the peer. |
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* |
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* MPTCP_EVENT_REMOVED: token, rem_id |
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* An address has been lost by the peer. |
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* |
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* MPTCP_EVENT_SUB_ESTABLISHED: token, family, saddr4 | saddr6, |
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* daddr4 | daddr6, sport, dport, backup, |
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* if_idx [, error] |
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* A new subflow has been established. 'error' should not be set. |
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* |
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* MPTCP_EVENT_SUB_CLOSED: token, family, saddr4 | saddr6, daddr4 | daddr6, |
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* sport, dport, backup, if_idx [, error] |
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* A subflow has been closed. An error (copy of sk_err) could be set if an |
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* error has been detected for this subflow. |
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* |
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* MPTCP_EVENT_SUB_PRIORITY: token, family, saddr4 | saddr6, daddr4 | daddr6, |
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* sport, dport, backup, if_idx [, error] |
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* The priority of a subflow has changed. 'error' should not be set. |
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*/ |
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enum mptcp_event_type { |
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MPTCP_EVENT_UNSPEC = 0, |
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MPTCP_EVENT_CREATED = 1, |
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MPTCP_EVENT_ESTABLISHED = 2, |
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MPTCP_EVENT_CLOSED = 3, |
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MPTCP_EVENT_ANNOUNCED = 6, |
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MPTCP_EVENT_REMOVED = 7, |
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MPTCP_EVENT_SUB_ESTABLISHED = 10, |
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MPTCP_EVENT_SUB_CLOSED = 11, |
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MPTCP_EVENT_SUB_PRIORITY = 13, |
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}; |
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enum mptcp_event_attr { |
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MPTCP_ATTR_UNSPEC = 0, |
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MPTCP_ATTR_TOKEN, /* u32 */ |
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MPTCP_ATTR_FAMILY, /* u16 */ |
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MPTCP_ATTR_LOC_ID, /* u8 */ |
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MPTCP_ATTR_REM_ID, /* u8 */ |
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MPTCP_ATTR_SADDR4, /* be32 */ |
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MPTCP_ATTR_SADDR6, /* struct in6_addr */ |
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MPTCP_ATTR_DADDR4, /* be32 */ |
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MPTCP_ATTR_DADDR6, /* struct in6_addr */ |
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MPTCP_ATTR_SPORT, /* be16 */ |
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MPTCP_ATTR_DPORT, /* be16 */ |
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MPTCP_ATTR_BACKUP, /* u8 */ |
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MPTCP_ATTR_ERROR, /* u8 */ |
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MPTCP_ATTR_FLAGS, /* u16 */ |
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MPTCP_ATTR_TIMEOUT, /* u32 */ |
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MPTCP_ATTR_IF_IDX, /* s32 */ |
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__MPTCP_ATTR_AFTER_LAST |
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}; |
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#define MPTCP_ATTR_MAX (__MPTCP_ATTR_AFTER_LAST - 1) |
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#endif /* _UAPI_MPTCP_H */
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