LXR linux/include/uapi/linux/mptcp.h

   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
  18enum {
  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 */
  44enum {
  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
  56enum {
  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
  76enum {
  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#endif /* _UAPI_MPTCP_H */
  90