/*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
- *
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. The rights granted to you under the
- * License may not be used to create, or enable the creation or
- * redistribution of, unlawful or unlicensed copies of an Apple operating
- * system, or to circumvent, violate, or enable the circumvention or
- * violation of, any terms of an Apple operating system software license
- * agreement.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
- * Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
- * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
- * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
* limitations under the License.
*
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* Copyright (c) 1982, 1986, 1993
#include <sys/_types.h>
#include <machine/endian.h>
-#ifndef _POSIX_C_SOURCE
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
typedef __uint32_t tcp_seq;
typedef __uint32_t tcp_cc; /* connection count per rfc1644 */
(TCPOPT_NOP<<24|TCPOPT_NOP<<16|(ccopt)<<8|TCPOLEN_CC)
#define TCPOPT_SIGNATURE 19 /* Keyed MD5: RFC 2385 */
#define TCPOLEN_SIGNATURE 18
+#if MPTCP
+#define TCPOPT_MULTIPATH 30
+#endif
/* Option definitions */
#define TCPOPT_SACK_PERMIT_HDR \
*/
#define TCP_MINMSS 216
-/*
- * TCP_MINMSSOVERLOAD is defined to be 1000 which should cover any type
- * of interactive TCP session.
- * See tcp_subr.c tcp_minmssoverload SYSCTL declaration and tcp_input.c
- * for more comments.
- * Setting this to "0" disables the minmssoverload check.
- */
-#define TCP_MINMSSOVERLOAD 1000
-
/*
* Default maximum segment size for TCP6.
* With an IP6 MSS of 1280, this is 1220,
#define TCP_MAX_WINSHIFT 14 /* maximum window shift */
-#define TCP_MAXBURST 4 /* maximum segments in a burst */
-
#define TCP_MAXHLEN (0xf<<2) /* max length of header in bytes */
#define TCP_MAXOLEN (TCP_MAXHLEN - sizeof(struct tcphdr))
/* max space left for options */
-#endif /* _POSIX_C_SOURCE */
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
/*
* User-settable options (used with setsockopt).
*/
-#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
-#ifndef _POSIX_C_SOURCE
-#define TCP_MAXSEG 0x02 /* set maximum segment size */
-#define TCP_NOPUSH 0x04 /* don't push last block of write */
-#define TCP_NOOPT 0x08 /* don't use TCP options */
-#define TCP_KEEPALIVE 0x10 /* idle time used when SO_KEEPALIVE is enabled */
-
-#endif /* _POSIX_C_SOURCE */
+#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
+#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
+#define TCP_MAXSEG 0x02 /* set maximum segment size */
+#define TCP_NOPUSH 0x04 /* don't push last block of write */
+#define TCP_NOOPT 0x08 /* don't use TCP options */
+#define TCP_KEEPALIVE 0x10 /* idle time used when SO_KEEPALIVE is enabled */
+#define TCP_CONNECTIONTIMEOUT 0x20 /* connection timeout */
+#define PERSIST_TIMEOUT 0x40 /* time after which a connection in
+ * persist timeout will terminate.
+ * see draft-ananth-tcpm-persist-02.txt
+ */
+#define TCP_RXT_CONNDROPTIME 0x80 /* time after which tcp retransmissions will be
+ * stopped and the connection will be dropped
+ */
+#define TCP_RXT_FINDROP 0x100 /* when this option is set, drop a connection
+ * after retransmitting the FIN 3 times. It will
+ * prevent holding too many mbufs in socket
+ * buffer queues.
+ */
+#define TCP_KEEPINTVL 0x101 /* interval between keepalives */
+#define TCP_KEEPCNT 0x102 /* number of keepalives before close */
+#define TCP_SENDMOREACKS 0x103 /* always ack every other packet */
+#ifdef PRIVATE
+#define TCP_INFO 0x200 /* retrieve tcp_info structure */
+#define TCP_NOTSENT_LOWAT 0x201 /* Low water mark for TCP unsent data */
+#define TCP_MEASURE_SND_BW 0x202 /* Measure sender's bandwidth for this connection */
+#define TCP_MEASURE_BW_BURST 0x203 /* Burst size to use for bandwidth measurement */
+#define TCP_PEER_PID 0x204 /* Lookup pid of the process we're connected to */
+#define TCP_ADAPTIVE_READ_TIMEOUT 0x205 /* Read timeout used as a multiple of RTT */
+/*
+ * Enable message delivery on a socket, this feature is currently unsupported and
+ * is subjected to change in future.
+ */
+#define TCP_ENABLE_MSGS 0x206
+#define TCP_ADAPTIVE_WRITE_TIMEOUT 0x207 /* Write timeout used as a multiple of RTT */
+
+/*
+ * The TCP_INFO socket option is a private API and is subject to change
+ */
+#pragma pack(4)
+
+#define TCPI_OPT_TIMESTAMPS 0x01
+#define TCPI_OPT_SACK 0x02
+#define TCPI_OPT_WSCALE 0x04
+#define TCPI_OPT_ECN 0x08
+
+#define TCPI_FLAG_LOSSRECOVERY 0x01 /* Currently in loss recovery */
+
+/*
+ * Add new fields to this structure at the end only. This will preserve
+ * binary compatibility.
+ */
+struct tcp_info {
+ u_int8_t tcpi_state; /* TCP FSM state. */
+ u_int8_t tcpi_options; /* Options enabled on conn. */
+ u_int8_t tcpi_snd_wscale; /* RFC1323 send shift value. */
+ u_int8_t tcpi_rcv_wscale; /* RFC1323 recv shift value. */
+
+ u_int32_t tcpi_flags; /* extra flags (TCPI_FLAG_xxx) */
+
+ u_int32_t tcpi_rto; /* Retransmission timeout in milliseconds */
+ u_int32_t tcpi_snd_mss; /* Max segment size for send. */
+ u_int32_t tcpi_rcv_mss; /* Max segment size for receive. */
+
+ u_int32_t tcpi_rttcur; /* Most recent value of RTT */
+ u_int32_t tcpi_srtt; /* Smoothed RTT */
+ u_int32_t tcpi_rttvar; /* RTT variance */
+ u_int32_t tcpi_rttbest; /* Best RTT we've seen */
+
+ u_int32_t tcpi_snd_ssthresh; /* Slow start threshold. */
+ u_int32_t tcpi_snd_cwnd; /* Send congestion window. */
+
+ u_int32_t tcpi_rcv_space; /* Advertised recv window. */
+
+ u_int32_t tcpi_snd_wnd; /* Advertised send window. */
+ u_int32_t tcpi_snd_nxt; /* Next egress seqno */
+ u_int32_t tcpi_rcv_nxt; /* Next ingress seqno */
+
+ int32_t tcpi_last_outif; /* if_index of interface used to send last */
+ u_int32_t tcpi_snd_sbbytes; /* bytes in snd buffer including data inflight */
+
+ u_int64_t tcpi_txpackets __attribute__((aligned(8))); /* total packets sent */
+ u_int64_t tcpi_txbytes __attribute__((aligned(8)));
+ /* total bytes sent */
+ u_int64_t tcpi_txretransmitbytes __attribute__((aligned(8)));
+ /* total bytes retransmitted */
+ u_int64_t tcpi_txunacked __attribute__((aligned(8)));
+ /* current number of bytes not acknowledged */
+ u_int64_t tcpi_rxpackets __attribute__((aligned(8))); /* total packets received */
+ u_int64_t tcpi_rxbytes __attribute__((aligned(8)));
+ /* total bytes received */
+ u_int64_t tcpi_rxduplicatebytes __attribute__((aligned(8)));
+ /* total duplicate bytes received */
+ u_int64_t tcpi_rxoutoforderbytes __attribute__((aligned(8)));
+ /* total out of order bytes received */
+ u_int64_t tcpi_snd_bw __attribute__((aligned(8))); /* measured send bandwidth in bits/sec */
+ u_int8_t tcpi_synrexmits; /* Number of syn retransmits before connect */
+ u_int8_t tcpi_unused1;
+ u_int16_t tcpi_unused2;
+ u_int64_t tcpi_cell_rxpackets __attribute((aligned(8))); /* packets received over cellular */
+ u_int64_t tcpi_cell_rxbytes __attribute((aligned(8))); /* bytes received over cellular */
+ u_int64_t tcpi_cell_txpackets __attribute((aligned(8))); /* packets transmitted over cellular */
+ u_int64_t tcpi_cell_txbytes __attribute((aligned(8))); /* bytes transmitted over cellular */
+ u_int64_t tcpi_wifi_rxpackets __attribute((aligned(8))); /* packets received over Wi-Fi */
+ u_int64_t tcpi_wifi_rxbytes __attribute((aligned(8))); /* bytes received over Wi-Fi */
+ u_int64_t tcpi_wifi_txpackets __attribute((aligned(8))); /* packets transmitted over Wi-Fi */
+ u_int64_t tcpi_wifi_txbytes __attribute((aligned(8))); /* bytes transmitted over Wi-Fi */
+};
+
+struct tcp_measure_bw_burst {
+ u_int32_t min_burst_size; /* Minimum number of packets to use */
+ u_int32_t max_burst_size; /* Maximum number of packets to use */
+};
+
+/*
+ * Note that IPv6 link local addresses should have the appropriate scope ID
+ */
+
+struct info_tuple {
+ u_int8_t itpl_proto;
+ union {
+ struct sockaddr _itpl_sa;
+ struct sockaddr_in _itpl_sin;
+ struct sockaddr_in6 _itpl_sin6;
+ } itpl_localaddr;
+ union {
+ struct sockaddr _itpl_sa;
+ struct sockaddr_in _itpl_sin;
+ struct sockaddr_in6 _itpl_sin6;
+ } itpl_remoteaddr;
+};
+
+#define itpl_local_sa itpl_localaddr._itpl_sa
+#define itpl_local_sin itpl_localaddr._itpl_sin
+#define itpl_local_sin6 itpl_localaddr._itpl_sin6
+#define itpl_remote_sa itpl_remoteaddr._itpl_sa
+#define itpl_remote_sin itpl_remoteaddr._itpl_sin
+#define itpl_remote_sin6 itpl_remoteaddr._itpl_sin6
+
+/*
+ * TCP connection info auxiliary data (CIAUX_TCP)
+ *
+ * Do not add new fields to this structure, just add them to tcp_info
+ * structure towards the end. This will preserve binary compatibility.
+ */
+typedef struct conninfo_tcp {
+ pid_t tcpci_peer_pid; /* loopback peer PID if > 0 */
+ struct tcp_info tcpci_tcp_info; /* TCP info */
+} conninfo_tcp_t;
+
+#pragma pack()
+
+#endif /* PRIVATE */
+#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
#endif
projects / apple / xnu.git / blobdiff