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/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
#ifndef _UAPI_MPTCP_H
#define _UAPI_MPTCP_H
#include <linux/const.h>
#include <linux/types.h>
#define MPTCP_SUBFLOW_FLAG_MCAP_REM _BITUL(0)
#define MPTCP_SUBFLOW_FLAG_MCAP_LOC _BITUL(1)
#define MPTCP_SUBFLOW_FLAG_JOIN_REM _BITUL(2)
#define MPTCP_SUBFLOW_FLAG_JOIN_LOC _BITUL(3)
#define MPTCP_SUBFLOW_FLAG_BKUP_REM _BITUL(4)
#define MPTCP_SUBFLOW_FLAG_BKUP_LOC _BITUL(5)
#define MPTCP_SUBFLOW_FLAG_FULLY_ESTABLISHED _BITUL(6)
#define MPTCP_SUBFLOW_FLAG_CONNECTED _BITUL(7)
#define MPTCP_SUBFLOW_FLAG_MAPVALID _BITUL(8)
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)
/* netlink interface */
#define MPTCP_PM_NAME "mptcp_pm"
#define MPTCP_PM_CMD_GRP_NAME "mptcp_pm_cmds"
#define MPTCP_PM_VER 0x1
/*
* ATTR types defined for MPTCP
*/
enum {
MPTCP_PM_ATTR_UNSPEC,
MPTCP_PM_ATTR_ADDR, /* nested address */
MPTCP_PM_ATTR_RCV_ADD_ADDRS, /* u32 */
MPTCP_PM_ATTR_SUBFLOWS, /* u32 */
__MPTCP_PM_ATTR_MAX
};
#define MPTCP_PM_ATTR_MAX (__MPTCP_PM_ATTR_MAX - 1)
enum {
MPTCP_PM_ADDR_ATTR_UNSPEC,
MPTCP_PM_ADDR_ATTR_FAMILY, /* u16 */
MPTCP_PM_ADDR_ATTR_ID, /* u8 */
MPTCP_PM_ADDR_ATTR_ADDR4, /* struct in_addr */
MPTCP_PM_ADDR_ATTR_ADDR6, /* struct in6_addr */
MPTCP_PM_ADDR_ATTR_PORT, /* u16 */
MPTCP_PM_ADDR_ATTR_FLAGS, /* u32 */
MPTCP_PM_ADDR_ATTR_IF_IDX, /* s32 */
__MPTCP_PM_ADDR_ATTR_MAX
};
#define MPTCP_PM_ADDR_ATTR_MAX (__MPTCP_PM_ADDR_ATTR_MAX - 1)
#define MPTCP_PM_ADDR_FLAG_SIGNAL (1 << 0)
#define MPTCP_PM_ADDR_FLAG_SUBFLOW (1 << 1)
#define MPTCP_PM_ADDR_FLAG_BACKUP (1 << 2)
enum {
MPTCP_PM_CMD_UNSPEC,
MPTCP_PM_CMD_ADD_ADDR,
MPTCP_PM_CMD_DEL_ADDR,
MPTCP_PM_CMD_GET_ADDR,
MPTCP_PM_CMD_FLUSH_ADDRS,
MPTCP_PM_CMD_SET_LIMITS,
MPTCP_PM_CMD_GET_LIMITS,
__MPTCP_PM_CMD_AFTER_LAST
};
#define MPTCP_INFO_FLAG_FALLBACK _BITUL(0)
#define MPTCP_INFO_FLAG_REMOTE_KEY_RECEIVED _BITUL(1)
struct mptcp_info {
__u8 mptcpi_subflows;
__u8 mptcpi_add_addr_signal;
__u8 mptcpi_add_addr_accepted;
__u8 mptcpi_subflows_max;
__u8 mptcpi_add_addr_signal_max;
__u8 mptcpi_add_addr_accepted_max;
__u32 mptcpi_flags;
__u32 mptcpi_token;
__u64 mptcpi_write_seq;
__u64 mptcpi_snd_una;
__u64 mptcpi_rcv_nxt;
};
#endif /* _UAPI_MPTCP_H */
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