diff options
Diffstat (limited to 'net/mptcp/protocol.h')
| -rw-r--r-- | net/mptcp/protocol.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h index ee04a01bffd3..c59cf8b220b0 100644 --- a/net/mptcp/protocol.h +++ b/net/mptcp/protocol.h @@ -7,6 +7,35 @@ #ifndef __MPTCP_PROTOCOL_H #define __MPTCP_PROTOCOL_H +#define MPTCP_SUPPORTED_VERSION 0 + +/* MPTCP option bits */ +#define OPTION_MPTCP_MPC_SYN BIT(0) +#define OPTION_MPTCP_MPC_SYNACK BIT(1) +#define OPTION_MPTCP_MPC_ACK BIT(2) + +/* MPTCP option subtypes */ +#define MPTCPOPT_MP_CAPABLE 0 +#define MPTCPOPT_MP_JOIN 1 +#define MPTCPOPT_DSS 2 +#define MPTCPOPT_ADD_ADDR 3 +#define MPTCPOPT_RM_ADDR 4 +#define MPTCPOPT_MP_PRIO 5 +#define MPTCPOPT_MP_FAIL 6 +#define MPTCPOPT_MP_FASTCLOSE 7 + +/* MPTCP suboption lengths */ +#define TCPOLEN_MPTCP_MPC_SYN 12 +#define TCPOLEN_MPTCP_MPC_SYNACK 12 +#define TCPOLEN_MPTCP_MPC_ACK 20 + +/* MPTCP MP_CAPABLE flags */ +#define MPTCP_VERSION_MASK (0x0F) +#define MPTCP_CAP_CHECKSUM_REQD BIT(7) +#define MPTCP_CAP_EXTENSIBILITY BIT(6) +#define MPTCP_CAP_HMAC_SHA1 BIT(0) +#define MPTCP_CAP_FLAG_MASK (0x3F) + /* MPTCP connection sock */ struct mptcp_sock { /* inet_connection_sock must be the first member */ |