* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
-#ifndef _NETINET_MPTCP_H_
-#define _NETINET_MPTCP_H_
+#ifndef _NETINET_MPTCP_H_
+#define _NETINET_MPTCP_H_
#ifdef BSD_KERNEL_PRIVATE
#include <libkern/crypto/sha1.h>
#if BYTE_ORDER == BIG_ENDIAN
-#define mptcp_hton64(x) (x)
-#define mptcp_ntoh64(x) (x)
+#define mptcp_hton64(x) (x)
+#define mptcp_ntoh64(x) (x)
#else /* LITTLE_ENDIAN */
-#define mptcp_hton64(x) __DARWIN_OSSwapInt64(x)
-#define mptcp_ntoh64(x) __DARWIN_OSSwapInt64(x)
+#define mptcp_hton64(x) __DARWIN_OSSwapInt64(x)
+#define mptcp_ntoh64(x) __DARWIN_OSSwapInt64(x)
#endif
/*
* MPTCP Option Subtype Field values
*/
-#define MPO_CAPABLE 0x0
-#define MPO_JOIN 0x1
-#define MPO_DSS 0x2
-#define MPO_ADD_ADDR 0x3
-#define MPO_REMOVE_ADDR 0x4
-#define MPO_PRIO 0x5
-#define MPO_FAIL 0x6
-#define MPO_FASTCLOSE 0x7
+#define MPO_CAPABLE 0x0
+#define MPO_JOIN 0x1
+#define MPO_DSS 0x2
+#define MPO_ADD_ADDR 0x3
+#define MPO_REMOVE_ADDR 0x4
+#define MPO_PRIO 0x5
+#define MPO_FAIL 0x6
+#define MPO_FASTCLOSE 0x7
/* MPTCP Protocol version */
-#define MPTCP_STD_VERSION_0 0x0
+#define MPTCP_STD_VERSION_0 0x0
/*
* MPTCP MP_CAPABLE TCP Option definitions
* Used to establish an MPTCP connection and first subflow.
*/
struct mptcp_mpcapable_opt_common {
- u_int8_t mmco_kind;
- u_int8_t mmco_len;
+ u_int8_t mmco_kind;
+ u_int8_t mmco_len;
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t mmco_version:4,
- mmco_subtype:4;
+ u_int8_t mmco_version:4,
+ mmco_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t mmco_subtype:4,
- mmco_version:4;
+ u_int8_t mmco_subtype:4,
+ mmco_version:4;
#endif
-#define MPCAP_PROPOSAL_SBIT 0x01 /* SHA1 Algorithm */
-#define MPCAP_HBIT 0x01 /* alias of MPCAP_PROPOSAL_SBIT */
-#define MPCAP_GBIT 0x02 /* must be 0 */
-#define MPCAP_FBIT 0x04 /* must be 0 */
-#define MPCAP_EBIT 0x08 /* must be 0 */
-#define MPCAP_DBIT 0x10 /* must be 0 */
-#define MPCAP_CBIT 0x20 /* must be 0 */
-#define MPCAP_BBIT 0x40 /* Extensibility bit, must be 0 */
-#define MPCAP_ABIT 0x80 /* alias of MPCAP_CHECKSUM_CBIT */
-#define MPCAP_CHECKSUM_CBIT 0x80 /* DSS Checksum bit */
- u_int8_t mmco_flags;
+#define MPCAP_PROPOSAL_SBIT 0x01 /* SHA1 Algorithm */
+#define MPCAP_HBIT 0x01 /* alias of MPCAP_PROPOSAL_SBIT */
+#define MPCAP_GBIT 0x02 /* must be 0 */
+#define MPCAP_FBIT 0x04 /* must be 0 */
+#define MPCAP_EBIT 0x08 /* must be 0 */
+#define MPCAP_DBIT 0x10 /* must be 0 */
+#define MPCAP_CBIT 0x20 /* must be 0 */
+#define MPCAP_BBIT 0x40 /* Extensibility bit, must be 0 */
+#define MPCAP_ABIT 0x80 /* alias of MPCAP_CHECKSUM_CBIT */
+#define MPCAP_CHECKSUM_CBIT 0x80 /* DSS Checksum bit */
+ u_int8_t mmco_flags;
} __attribute__((__packed__));
struct mptcp_mpcapable_opt_rsp {
/* MP_JOIN Option for SYN */
struct mptcp_mpjoin_opt_req {
- u_int8_t mmjo_kind;
- u_int8_t mmjo_len;
-#define MPTCP_BACKUP 0x1
- u_int8_t mmjo_subtype_bkp;
- u_int8_t mmjo_addr_id;
- u_int32_t mmjo_peer_token;
- u_int32_t mmjo_rand;
+ u_int8_t mmjo_kind;
+ u_int8_t mmjo_len;
+#define MPTCP_BACKUP 0x1
+ u_int8_t mmjo_subtype_bkp;
+ u_int8_t mmjo_addr_id;
+ u_int32_t mmjo_peer_token;
+ u_int32_t mmjo_rand;
} __attribute__((__packed__));
/* MP_JOIN Option for SYN/ACK */
struct mptcp_mpjoin_opt_rsp {
- u_int8_t mmjo_kind;
- u_int8_t mmjo_len;
-#define MPTCP_BACKUP 0x1
- u_int8_t mmjo_subtype_bkp;
- u_int8_t mmjo_addr_id;
- u_int64_t mmjo_mac; /* Truncated message auth code */
- u_int32_t mmjo_rand;
+ u_int8_t mmjo_kind;
+ u_int8_t mmjo_len;
+#define MPTCP_BACKUP 0x1
+ u_int8_t mmjo_subtype_bkp;
+ u_int8_t mmjo_addr_id;
+ u_int64_t mmjo_mac; /* Truncated message auth code */
+ u_int32_t mmjo_rand;
} __attribute__((__packed__));
/* MP_Join Option for ACK */
struct mptcp_mpjoin_opt_rsp2 {
- u_int8_t mmjo_kind;
- u_int8_t mmjo_len;
+ u_int8_t mmjo_kind;
+ u_int8_t mmjo_len;
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t mmjo_reserved1:4,
- mmjo_subtype:4;
+ u_int8_t mmjo_reserved1:4,
+ mmjo_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t mmjo_subtype:4,
- mmjo_reserved1:4;
+ u_int8_t mmjo_subtype:4,
+ mmjo_reserved1:4;
#endif
- u_int8_t mmjo_reserved2;
- u_int8_t mmjo_mac[SHA1_RESULTLEN]; /* This is 160 bits HMAC SHA-1 per RFC */
+ u_int8_t mmjo_reserved2;
+ u_int8_t mmjo_mac[SHA1_RESULTLEN]; /* This is 160 bits HMAC SHA-1 per RFC */
} __attribute__((__packed__));
/* Add Address Option */
struct mptcp_addaddr_opt {
- u_int8_t ma_kind;
- u_int8_t ma_len;
+ u_int8_t ma_kind;
+ u_int8_t ma_len;
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t ma_ipver:4,
- ma_subtype:4;
+ u_int8_t ma_ipver:4,
+ ma_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t ma_subtype:4,
- ma_ipver:4;
+ u_int8_t ma_subtype:4,
+ ma_ipver:4;
#endif
-#define MA_IPVer_V4 4 /* IPv4 Address tagged to the option */
-#define MA_IPVer_V6 6 /* IPv6 Address tagged to the option */
- u_int8_t ma_addr_id;
+#define MA_IPVer_V4 4 /* IPv4 Address tagged to the option */
+#define MA_IPVer_V6 6 /* IPv6 Address tagged to the option */
+ u_int8_t ma_addr_id;
} __attribute__((__packed__));
/* Address sent in the ADD_ADDR option */
struct mptcp_addr_family_val {
union {
- struct in_addr ma_v4_addr;
- struct in6_addr ma_v6_addr;
+ struct in_addr ma_v4_addr;
+ struct in6_addr ma_v6_addr;
} ma_addr;
/* u_int16_t ma_ports; */ /* optional field */
} __attribute__((__packed__));
/* Remove Address Option */
struct mptcp_remaddr_opt {
- u_int8_t mr_kind;
- u_int8_t mr_len;
+ u_int8_t mr_kind;
+ u_int8_t mr_len;
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t mr_rest:4,
- mr_subtype:4;
+ u_int8_t mr_rest:4,
+ mr_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t mr_subtype:4,
- mr_rest:4;
+ u_int8_t mr_subtype:4,
+ mr_rest:4;
#endif
- u_int8_t mr_addr_id;
+ u_int8_t mr_addr_id;
} __attribute__((__packed__));
/*
/*
* DSS Option variants coded as flags in the DSS option flags field
*/
-#define MDSS_A 0x01 /* Data ACK present if set */
-#define MDSS_a 0x02 /* 64-bit Data ACK present if set */
-#define MDSS_M 0x04 /* Data Sequence Number present if set */
-#define MDSS_m 0x08 /* 64-bit Data Sequence Number present if set */
-#define MDSS_F 0x10 /* Data FIN present */
+#define MDSS_A 0x01 /* Data ACK present if set */
+#define MDSS_a 0x02 /* 64-bit Data ACK present if set */
+#define MDSS_M 0x04 /* Data Sequence Number present if set */
+#define MDSS_m 0x08 /* 64-bit Data Sequence Number present if set */
+#define MDSS_F 0x10 /* Data FIN present */
/* DSS fields common to all DSS option variants */
struct mptcp_dss_copt {
- u_int8_t mdss_kind;
- u_int8_t mdss_len;
+ u_int8_t mdss_kind;
+ u_int8_t mdss_len;
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t mdss_reserved1:4,
- mdss_subtype:4;
+ u_int8_t mdss_reserved1:4,
+ mdss_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t mdss_subtype:4,
- mdss_reserved1:4;
+ u_int8_t mdss_subtype:4,
+ mdss_reserved1:4;
#endif
- u_int8_t mdss_flags;
+ u_int8_t mdss_flags;
}__attribute__((__packed__));
/* 32-bit DSS option */
struct mptcp_dsn_opt {
- struct mptcp_dss_copt mdss_copt;
- u_int32_t mdss_dsn; /* Data Sequence Number */
- u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
- u_int16_t mdss_data_len; /* Data Length */
+ struct mptcp_dss_copt mdss_copt;
+ u_int32_t mdss_dsn; /* Data Sequence Number */
+ u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
+ u_int16_t mdss_data_len; /* Data Length */
/* u_int16_t mdss_xsum; */ /* Data checksum - optional */
-
}__attribute__((__packed__));
/* 64-bit DSS option */
struct mptcp_dsn64_opt {
struct mptcp_dss_copt mdss_copt;
- u_int64_t mdss_dsn; /* Data Sequence Number */
- u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
- u_int16_t mdss_data_len; /* Data Length */
+ u_int64_t mdss_dsn; /* Data Sequence Number */
+ u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
+ u_int16_t mdss_data_len; /* Data Length */
/* u_int16_t mdss_xsum; */ /* Data checksum - optional */
}__attribute__((__packed__));
/* 32-bit DSS Data ACK option */
struct mptcp_data_ack_opt {
struct mptcp_dss_copt mdss_copt;
- u_int32_t mdss_ack;
+ u_int32_t mdss_ack;
}__attribute__((__packed__));
/* 64-bit DSS Data ACK option */
struct mptcp_data_ack64_opt {
struct mptcp_dss_copt mdss_copt;
- u_int64_t mdss_ack;
+ u_int64_t mdss_ack;
}__attribute__((__packed__));
/* 32-bit DSS+Data ACK option */
struct mptcp_dss_ack_opt {
struct mptcp_dss_copt mdss_copt;
- u_int32_t mdss_ack; /* Data ACK */
- u_int32_t mdss_dsn; /* Data Sequence Number */
- u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
- u_int16_t mdss_data_len; /* Data Length */
+ u_int32_t mdss_ack; /* Data ACK */
+ u_int32_t mdss_dsn; /* Data Sequence Number */
+ u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
+ u_int16_t mdss_data_len; /* Data Length */
/* u_int16_t mdss_xsum; */ /* Data checksum - optional */
}__attribute__((__packed__));
/* 64-bit DSS+Data ACK option */
struct mptcp_dss64_ack64_opt {
struct mptcp_dss_copt mdss_copt;
- u_int64_t mdss_ack; /* Data ACK */
- u_int64_t mdss_dsn; /* Data Sequence Number */
- u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
- u_int16_t mdss_data_len; /* Data Length */
+ u_int64_t mdss_ack; /* Data ACK */
+ u_int64_t mdss_dsn; /* Data Sequence Number */
+ u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
+ u_int16_t mdss_data_len; /* Data Length */
/* u_int16_t mdss_xsum; */ /* Data checksum - optional */
}__attribute__((__packed__));
/* DSS+Data ACK mixed option variants */
struct mptcp_dss32_ack64_opt {
struct mptcp_dss_copt mdss_copt;
- u_int64_t mdss_ack; /* Data ACK */
- u_int32_t mdss_dsn; /* Data Sequence Number */
- u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
- u_int16_t mdss_data_len; /* Data Length */
+ u_int64_t mdss_ack; /* Data ACK */
+ u_int32_t mdss_dsn; /* Data Sequence Number */
+ u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
+ u_int16_t mdss_data_len; /* Data Length */
/* u_int16_t mdss_xsum; */ /* Data checksum - optional */
}__attribute__((__packed__));
struct mptcp_dss64_ack32_opt {
struct mptcp_dss_copt mdss_copt;
- u_int32_t mdss_ack; /* Data ACK */
- u_int64_t mdss_dsn; /* Data Sequence Number */
- u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
- u_int16_t mdss_data_len; /* Data Length */
+ u_int32_t mdss_ack; /* Data ACK */
+ u_int64_t mdss_dsn; /* Data Sequence Number */
+ u_int32_t mdss_subflow_seqn; /* Relative Subflow Seq Num */
+ u_int16_t mdss_data_len; /* Data Length */
/* u_int16_t mdss_xsum; */ /* Data checksum - optional */
}__attribute__((__packed__));
* API is supported.
*/
struct mptcp_fastclose_opt {
- u_int8_t mfast_kind;
- u_int8_t mfast_len;
+ u_int8_t mfast_kind;
+ u_int8_t mfast_len;
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t mfast_reserved:4,
- mfast_subtype:4;
+ u_int8_t mfast_reserved:4,
+ mfast_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t mfast_subtype:4,
- mfast_reserved:4;
+ u_int8_t mfast_subtype:4,
+ mfast_reserved:4;
#endif
- u_int8_t mfast_reserved1;
- u_int64_t mfast_key; /* Option receiver's key */
+ u_int8_t mfast_reserved1;
+ u_int64_t mfast_key; /* Option receiver's key */
}__attribute__((__packed__));
/*
* option.
*/
struct mptcp_mpfail_opt {
- u_int8_t mfail_kind;
- u_int8_t mfail_len;
+ u_int8_t mfail_kind;
+ u_int8_t mfail_len;
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t mfail_reserved:4,
- mfail_subtype:4;
+ u_int8_t mfail_reserved:4,
+ mfail_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t mfail_subtype:4,
- mfail_reserved:4;
+ u_int8_t mfail_subtype:4,
+ mfail_reserved:4;
#endif
- u_int8_t mfail_reserved1:8;
- u_int64_t mfail_dsn;
+ u_int8_t mfail_reserved1:8;
+ u_int64_t mfail_dsn;
}__attribute__((__packed__));
/* Option to change priority of self */
struct mptcp_mpprio_opt {
- u_int8_t mpprio_kind;
- u_int8_t mpprio_len;
-#define MPTCP_MPPRIO_BKP 0x1
+ u_int8_t mpprio_kind;
+ u_int8_t mpprio_len;
+#define MPTCP_MPPRIO_BKP 0x1
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t mpprio_flags:4,
- mpprio_subtype:4;
+ u_int8_t mpprio_flags:4,
+ mpprio_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t mpprio_subtype:4,
- mpprio_flags:4;
+ u_int8_t mpprio_subtype:4,
+ mpprio_flags:4;
#endif
}__attribute__((__packed__));
/* Option to change priority of some other subflow(s) using addr_id */
struct mptcp_mpprio_addr_opt {
- u_int8_t mpprio_kind;
- u_int8_t mpprio_len;
-#define MPTCP_MPPRIO_BKP 0x1
+ u_int8_t mpprio_kind;
+ u_int8_t mpprio_len;
+#define MPTCP_MPPRIO_BKP 0x1
#if BYTE_ORDER == LITTLE_ENDIAN
- u_int8_t mpprio_flags:4,
- mpprio_subtype:4;
+ u_int8_t mpprio_flags:4,
+ mpprio_subtype:4;
#else /* BIG_ENDIAN */
- u_int8_t mpprio_subtype:4,
- mpprio_flags:4;
+ u_int8_t mpprio_subtype:4,
+ mpprio_flags:4;
#endif
- u_int8_t mpprio_addrid;
+ u_int8_t mpprio_addrid;
}__attribute__((__packed__));
/*
*
*/
struct mptcp_pseudohdr {
- u_int64_t mphdr_dsn; /* Data Sequence Number */
- u_int32_t mphdr_ssn; /* Subflow Sequence Number */
- u_int16_t mphdr_len; /* Data-Level Length */
- u_int16_t mphdr_xsum; /* MPTCP Level Checksum */
+ u_int64_t mphdr_dsn; /* Data Sequence Number */
+ u_int32_t mphdr_ssn; /* Subflow Sequence Number */
+ u_int16_t mphdr_len; /* Data-Level Length */
+ u_int16_t mphdr_xsum; /* MPTCP Level Checksum */
}__attribute__((__packed__));
#endif /* BSD_KERNEL_PRIVATE */
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