/* 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_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_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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};
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#endif /* _UAPI_MPTCP_H */
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