| Olivier Deprez | 157378f | 2022-04-04 15:47:50 +0200 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ |
| 2 | #ifndef _UAPI_MPTCP_H |
| 3 | #define _UAPI_MPTCP_H |
| 4 | |
| 5 | #include <linux/const.h> |
| 6 | #include <linux/types.h> |
| 7 | |
| 8 | #define MPTCP_SUBFLOW_FLAG_MCAP_REM _BITUL(0) |
| 9 | #define MPTCP_SUBFLOW_FLAG_MCAP_LOC _BITUL(1) |
| 10 | #define MPTCP_SUBFLOW_FLAG_JOIN_REM _BITUL(2) |
| 11 | #define MPTCP_SUBFLOW_FLAG_JOIN_LOC _BITUL(3) |
| 12 | #define MPTCP_SUBFLOW_FLAG_BKUP_REM _BITUL(4) |
| 13 | #define MPTCP_SUBFLOW_FLAG_BKUP_LOC _BITUL(5) |
| 14 | #define MPTCP_SUBFLOW_FLAG_FULLY_ESTABLISHED _BITUL(6) |
| 15 | #define MPTCP_SUBFLOW_FLAG_CONNECTED _BITUL(7) |
| 16 | #define MPTCP_SUBFLOW_FLAG_MAPVALID _BITUL(8) |
| 17 | |
| 18 | enum { |
| 19 | MPTCP_SUBFLOW_ATTR_UNSPEC, |
| 20 | MPTCP_SUBFLOW_ATTR_TOKEN_REM, |
| 21 | MPTCP_SUBFLOW_ATTR_TOKEN_LOC, |
| 22 | MPTCP_SUBFLOW_ATTR_RELWRITE_SEQ, |
| 23 | MPTCP_SUBFLOW_ATTR_MAP_SEQ, |
| 24 | MPTCP_SUBFLOW_ATTR_MAP_SFSEQ, |
| 25 | MPTCP_SUBFLOW_ATTR_SSN_OFFSET, |
| 26 | MPTCP_SUBFLOW_ATTR_MAP_DATALEN, |
| 27 | MPTCP_SUBFLOW_ATTR_FLAGS, |
| 28 | MPTCP_SUBFLOW_ATTR_ID_REM, |
| 29 | MPTCP_SUBFLOW_ATTR_ID_LOC, |
| 30 | MPTCP_SUBFLOW_ATTR_PAD, |
| 31 | __MPTCP_SUBFLOW_ATTR_MAX |
| 32 | }; |
| 33 | |
| 34 | #define MPTCP_SUBFLOW_ATTR_MAX (__MPTCP_SUBFLOW_ATTR_MAX - 1) |
| 35 | |
| 36 | /* netlink interface */ |
| 37 | #define MPTCP_PM_NAME "mptcp_pm" |
| 38 | #define MPTCP_PM_CMD_GRP_NAME "mptcp_pm_cmds" |
| 39 | #define MPTCP_PM_VER 0x1 |
| 40 | |
| 41 | /* |
| 42 | * ATTR types defined for MPTCP |
| 43 | */ |
| 44 | enum { |
| 45 | MPTCP_PM_ATTR_UNSPEC, |
| 46 | |
| 47 | MPTCP_PM_ATTR_ADDR, /* nested address */ |
| 48 | MPTCP_PM_ATTR_RCV_ADD_ADDRS, /* u32 */ |
| 49 | MPTCP_PM_ATTR_SUBFLOWS, /* u32 */ |
| 50 | |
| 51 | __MPTCP_PM_ATTR_MAX |
| 52 | }; |
| 53 | |
| 54 | #define MPTCP_PM_ATTR_MAX (__MPTCP_PM_ATTR_MAX - 1) |
| 55 | |
| 56 | enum { |
| 57 | MPTCP_PM_ADDR_ATTR_UNSPEC, |
| 58 | |
| 59 | MPTCP_PM_ADDR_ATTR_FAMILY, /* u16 */ |
| 60 | MPTCP_PM_ADDR_ATTR_ID, /* u8 */ |
| 61 | MPTCP_PM_ADDR_ATTR_ADDR4, /* struct in_addr */ |
| 62 | MPTCP_PM_ADDR_ATTR_ADDR6, /* struct in6_addr */ |
| 63 | MPTCP_PM_ADDR_ATTR_PORT, /* u16 */ |
| 64 | MPTCP_PM_ADDR_ATTR_FLAGS, /* u32 */ |
| 65 | MPTCP_PM_ADDR_ATTR_IF_IDX, /* s32 */ |
| 66 | |
| 67 | __MPTCP_PM_ADDR_ATTR_MAX |
| 68 | }; |
| 69 | |
| 70 | #define MPTCP_PM_ADDR_ATTR_MAX (__MPTCP_PM_ADDR_ATTR_MAX - 1) |
| 71 | |
| 72 | #define MPTCP_PM_ADDR_FLAG_SIGNAL (1 << 0) |
| 73 | #define MPTCP_PM_ADDR_FLAG_SUBFLOW (1 << 1) |
| 74 | #define MPTCP_PM_ADDR_FLAG_BACKUP (1 << 2) |
| 75 | |
| 76 | enum { |
| 77 | MPTCP_PM_CMD_UNSPEC, |
| 78 | |
| 79 | MPTCP_PM_CMD_ADD_ADDR, |
| 80 | MPTCP_PM_CMD_DEL_ADDR, |
| 81 | MPTCP_PM_CMD_GET_ADDR, |
| 82 | MPTCP_PM_CMD_FLUSH_ADDRS, |
| 83 | MPTCP_PM_CMD_SET_LIMITS, |
| 84 | MPTCP_PM_CMD_GET_LIMITS, |
| 85 | |
| 86 | __MPTCP_PM_CMD_AFTER_LAST |
| 87 | }; |
| 88 | |
| 89 | #define MPTCP_INFO_FLAG_FALLBACK _BITUL(0) |
| 90 | #define MPTCP_INFO_FLAG_REMOTE_KEY_RECEIVED _BITUL(1) |
| 91 | |
| 92 | struct mptcp_info { |
| 93 | __u8 mptcpi_subflows; |
| 94 | __u8 mptcpi_add_addr_signal; |
| 95 | __u8 mptcpi_add_addr_accepted; |
| 96 | __u8 mptcpi_subflows_max; |
| 97 | __u8 mptcpi_add_addr_signal_max; |
| 98 | __u8 mptcpi_add_addr_accepted_max; |
| 99 | __u32 mptcpi_flags; |
| 100 | __u32 mptcpi_token; |
| 101 | __u64 mptcpi_write_seq; |
| 102 | __u64 mptcpi_snd_una; |
| 103 | __u64 mptcpi_rcv_nxt; |
| 104 | }; |
| 105 | |
| 106 | #endif /* _UAPI_MPTCP_H */ |