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-rw-r--r--include/uapi/linux/mptcp.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/include/uapi/linux/mptcp.h b/include/uapi/linux/mptcp.h
index 9762660df741..e1172c1ffdfd 100644
--- a/include/uapi/linux/mptcp.h
+++ b/include/uapi/linux/mptcp.h
@@ -36,6 +36,7 @@ enum {
/* netlink interface */
#define MPTCP_PM_NAME "mptcp_pm"
#define MPTCP_PM_CMD_GRP_NAME "mptcp_pm_cmds"
+#define MPTCP_PM_EV_GRP_NAME "mptcp_pm_events"
#define MPTCP_PM_VER 0x1
/*
@@ -82,6 +83,7 @@ enum {
MPTCP_PM_CMD_FLUSH_ADDRS,
MPTCP_PM_CMD_SET_LIMITS,
MPTCP_PM_CMD_GET_LIMITS,
+ MPTCP_PM_CMD_SET_FLAGS,
__MPTCP_PM_CMD_AFTER_LAST
};
@@ -101,6 +103,81 @@ struct mptcp_info {
__u64 mptcpi_write_seq;
__u64 mptcpi_snd_una;
__u64 mptcpi_rcv_nxt;
+ __u8 mptcpi_local_addr_used;
+ __u8 mptcpi_local_addr_max;
};
+/*
+ * MPTCP_EVENT_CREATED: token, family, saddr4 | saddr6, daddr4 | daddr6,
+ * sport, dport
+ * A new MPTCP connection has been created. It is the good time to allocate
+ * memory and send ADD_ADDR if needed. Depending on the traffic-patterns
+ * it can take a long time until the MPTCP_EVENT_ESTABLISHED is sent.
+ *
+ * MPTCP_EVENT_ESTABLISHED: token, family, saddr4 | saddr6, daddr4 | daddr6,
+ * sport, dport
+ * A MPTCP connection is established (can start new subflows).
+ *
+ * MPTCP_EVENT_CLOSED: token
+ * A MPTCP connection has stopped.
+ *
+ * MPTCP_EVENT_ANNOUNCED: token, rem_id, family, daddr4 | daddr6 [, dport]
+ * A new address has been announced by the peer.
+ *
+ * MPTCP_EVENT_REMOVED: token, rem_id
+ * An address has been lost by the peer.
+ *
+ * MPTCP_EVENT_SUB_ESTABLISHED: token, family, saddr4 | saddr6,
+ * daddr4 | daddr6, sport, dport, backup,
+ * if_idx [, error]
+ * A new subflow has been established. 'error' should not be set.
+ *
+ * MPTCP_EVENT_SUB_CLOSED: token, family, saddr4 | saddr6, daddr4 | daddr6,
+ * sport, dport, backup, if_idx [, error]
+ * A subflow has been closed. An error (copy of sk_err) could be set if an
+ * error has been detected for this subflow.
+ *
+ * MPTCP_EVENT_SUB_PRIORITY: token, family, saddr4 | saddr6, daddr4 | daddr6,
+ * sport, dport, backup, if_idx [, error]
+ * The priority of a subflow has changed. 'error' should not be set.
+ */
+enum mptcp_event_type {
+ MPTCP_EVENT_UNSPEC = 0,
+ MPTCP_EVENT_CREATED = 1,
+ MPTCP_EVENT_ESTABLISHED = 2,
+ MPTCP_EVENT_CLOSED = 3,
+
+ MPTCP_EVENT_ANNOUNCED = 6,
+ MPTCP_EVENT_REMOVED = 7,
+
+ MPTCP_EVENT_SUB_ESTABLISHED = 10,
+ MPTCP_EVENT_SUB_CLOSED = 11,
+
+ MPTCP_EVENT_SUB_PRIORITY = 13,
+};
+
+enum mptcp_event_attr {
+ MPTCP_ATTR_UNSPEC = 0,
+
+ MPTCP_ATTR_TOKEN, /* u32 */
+ MPTCP_ATTR_FAMILY, /* u16 */
+ MPTCP_ATTR_LOC_ID, /* u8 */
+ MPTCP_ATTR_REM_ID, /* u8 */
+ MPTCP_ATTR_SADDR4, /* be32 */
+ MPTCP_ATTR_SADDR6, /* struct in6_addr */
+ MPTCP_ATTR_DADDR4, /* be32 */
+ MPTCP_ATTR_DADDR6, /* struct in6_addr */
+ MPTCP_ATTR_SPORT, /* be16 */
+ MPTCP_ATTR_DPORT, /* be16 */
+ MPTCP_ATTR_BACKUP, /* u8 */
+ MPTCP_ATTR_ERROR, /* u8 */
+ MPTCP_ATTR_FLAGS, /* u16 */
+ MPTCP_ATTR_TIMEOUT, /* u32 */
+ MPTCP_ATTR_IF_IDX, /* s32 */
+
+ __MPTCP_ATTR_AFTER_LAST
+};
+
+#define MPTCP_ATTR_MAX (__MPTCP_ATTR_AFTER_LAST - 1)
+
#endif /* _UAPI_MPTCP_H */