/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ #ifndef _MPTCP_H #define _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 /* _MPTCP_H */