/*
- * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2018 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#ifndef _NETINET_TCP_H_
#define _NETINET_TCP_H_
-#include <sys/types.h>
+#ifndef DRIVERKIT
#include <sys/appleapiopts.h>
+#endif /* DRIVERKIT */
+
#include <machine/endian.h>
#include <machine/types.h> /* __uint32_t */
+#ifndef DRIVERKIT
+#include <sys/types.h>
+#else
+#include <sys/_types.h>
+#endif /* DRIVERKIT */
+
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
-typedef __uint32_t tcp_seq;
-typedef __uint32_t tcp_cc; /* connection count per rfc1644 */
+typedef __uint32_t tcp_seq;
+typedef __uint32_t tcp_cc; /* connection count per rfc1644 */
-#define tcp6_seq tcp_seq /* for KAME src sync over BSD*'s */
-#define tcp6hdr tcphdr /* for KAME src sync over BSD*'s */
+#define tcp6_seq tcp_seq /* for KAME src sync over BSD*'s */
+#define tcp6hdr tcphdr /* for KAME src sync over BSD*'s */
/*
* TCP header.
* Per RFC 793, September, 1981.
*/
struct tcphdr {
- unsigned short th_sport; /* source port */
- unsigned short th_dport; /* destination port */
- tcp_seq th_seq; /* sequence number */
- tcp_seq th_ack; /* acknowledgement number */
+ unsigned short th_sport; /* source port */
+ unsigned short th_dport; /* destination port */
+ tcp_seq th_seq; /* sequence number */
+ tcp_seq th_ack; /* acknowledgement number */
#if __DARWIN_BYTE_ORDER == __DARWIN_LITTLE_ENDIAN
- unsigned int th_x2:4, /* (unused) */
- th_off:4; /* data offset */
+ unsigned int th_x2:4, /* (unused) */
+ th_off:4; /* data offset */
#endif
#if __DARWIN_BYTE_ORDER == __DARWIN_BIG_ENDIAN
- unsigned int th_off:4, /* data offset */
- th_x2:4; /* (unused) */
+ unsigned int th_off:4, /* data offset */
+ th_x2:4; /* (unused) */
#endif
- unsigned char th_flags;
-#define TH_FIN 0x01
-#define TH_SYN 0x02
-#define TH_RST 0x04
-#define TH_PUSH 0x08
-#define TH_ACK 0x10
-#define TH_URG 0x20
-#define TH_ECE 0x40
-#define TH_CWR 0x80
-#define TH_FLAGS (TH_FIN|TH_SYN|TH_RST|TH_ACK|TH_URG|TH_ECE|TH_CWR)
-
- unsigned short th_win; /* window */
- unsigned short th_sum; /* checksum */
- unsigned short th_urp; /* urgent pointer */
+ unsigned char th_flags;
+#define TH_FIN 0x01
+#define TH_SYN 0x02
+#define TH_RST 0x04
+#define TH_PUSH 0x08
+#define TH_ACK 0x10
+#define TH_URG 0x20
+#define TH_ECE 0x40
+#define TH_CWR 0x80
+#define TH_FLAGS (TH_FIN|TH_SYN|TH_RST|TH_ACK|TH_URG|TH_ECE|TH_CWR)
+#define TH_ACCEPT (TH_FIN|TH_SYN|TH_RST|TH_ACK)
+
+ unsigned short th_win; /* window */
+ unsigned short th_sum; /* checksum */
+ unsigned short th_urp; /* urgent pointer */
};
-#define TCPOPT_EOL 0
-#define TCPOPT_NOP 1
-#define TCPOPT_MAXSEG 2
-#define TCPOLEN_MAXSEG 4
-#define TCPOPT_WINDOW 3
-#define TCPOLEN_WINDOW 3
-#define TCPOPT_SACK_PERMITTED 4 /* Experimental */
-#define TCPOLEN_SACK_PERMITTED 2
-#define TCPOPT_SACK 5 /* Experimental */
-#define TCPOLEN_SACK 8 /* len of sack block */
-#define TCPOPT_TIMESTAMP 8
-#define TCPOLEN_TIMESTAMP 10
-#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */
-#define TCPOPT_TSTAMP_HDR \
+#define TCPOPT_EOL 0
+#define TCPOPT_NOP 1
+#define TCPOPT_MAXSEG 2
+#define TCPOLEN_MAXSEG 4
+#define TCPOPT_WINDOW 3
+#define TCPOLEN_WINDOW 3
+#define TCPOPT_SACK_PERMITTED 4 /* Experimental */
+#define TCPOLEN_SACK_PERMITTED 2
+#define TCPOPT_SACK 5 /* Experimental */
+#define TCPOLEN_SACK 8 /* len of sack block */
+#define TCPOPT_TIMESTAMP 8
+#define TCPOLEN_TIMESTAMP 10
+#define TCPOLEN_TSTAMP_APPA (TCPOLEN_TIMESTAMP+2) /* appendix A */
+#define TCPOPT_TSTAMP_HDR \
(TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_TIMESTAMP<<8|TCPOLEN_TIMESTAMP)
-#define MAX_TCPOPTLEN 40 /* Absolute maximum TCP options len */
+#define MAX_TCPOPTLEN 40 /* Absolute maximum TCP options len */
-#define TCPOPT_CC 11 /* CC options: RFC-1644 */
-#define TCPOPT_CCNEW 12
-#define TCPOPT_CCECHO 13
-#define TCPOLEN_CC 6
-#define TCPOLEN_CC_APPA (TCPOLEN_CC+2)
-#define TCPOPT_CC_HDR(ccopt) \
+#define TCPOPT_CC 11 /* CC options: RFC-1644 */
+#define TCPOPT_CCNEW 12
+#define TCPOPT_CCECHO 13
+#define TCPOLEN_CC 6
+#define TCPOLEN_CC_APPA (TCPOLEN_CC+2)
+#define TCPOPT_CC_HDR(ccopt) \
(TCPOPT_NOP<<24|TCPOPT_NOP<<16|(ccopt)<<8|TCPOLEN_CC)
-#define TCPOPT_SIGNATURE 19 /* Keyed MD5: RFC 2385 */
-#define TCPOLEN_SIGNATURE 18
+#define TCPOPT_SIGNATURE 19 /* Keyed MD5: RFC 2385 */
+#define TCPOLEN_SIGNATURE 18
#if MPTCP
-#define TCPOPT_MULTIPATH 30
+#define TCPOPT_MULTIPATH 30
#endif
-#define TCPOPT_FASTOPEN 34
-#define TCPOLEN_FASTOPEN_REQ 2
+#define TCPOPT_FASTOPEN 34
+#define TCPOLEN_FASTOPEN_REQ 2
/* Option definitions */
-#define TCPOPT_SACK_PERMIT_HDR \
+#define TCPOPT_SACK_PERMIT_HDR \
(TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_SACK_PERMITTED<<8|TCPOLEN_SACK_PERMITTED)
-#define TCPOPT_SACK_HDR (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_SACK<<8)
+#define TCPOPT_SACK_HDR (TCPOPT_NOP<<24|TCPOPT_NOP<<16|TCPOPT_SACK<<8)
/* Miscellaneous constants */
-#define MAX_SACK_BLKS 6 /* Max # SACK blocks stored at sender side */
+#define MAX_SACK_BLKS 6 /* Max # SACK blocks stored at sender side */
/*
* A SACK option that specifies n blocks will have a length of (8*n + 2)
* maximum of 4 blocks.
*/
-#define TCP_MAX_SACK 4 /* MAX # SACKs sent in any segment */
+#define TCP_MAX_SACK 4 /* MAX # SACKs sent in any segment */
/*
* but 512 is probably more convenient.
* This should be defined as MIN(512, IP_MSS - sizeof (struct tcpiphdr)).
*/
-#define TCP_MSS 512
+#define TCP_MSS 512
/*
* TCP_MINMSS is defined to be 216 which is fine for the smallest
* See tcp_subr.c tcp_minmss SYSCTL declaration for more comments.
* Setting this to "0" disables the minmss check.
*/
-#define TCP_MINMSS 216
+#define TCP_MINMSS 216
/*
* Default maximum segment size for TCP6.
* but 1024 is probably more convenient. (xxx kazu in doubt)
* This should be defined as MIN(1024, IP6_MSS - sizeof (struct tcpip6hdr))
*/
-#define TCP6_MSS 1024
+#define TCP6_MSS 1024
-#define TCP_MAXWIN 65535 /* largest value for (unscaled) window */
-#define TTCP_CLIENT_SND_WND 4096 /* dflt send window for T/TCP client */
+#define TCP_MAXWIN 65535 /* largest value for (unscaled) window */
+#define TTCP_CLIENT_SND_WND 4096 /* dflt send window for T/TCP client */
-#define TCP_MAX_WINSHIFT 14 /* maximum window shift */
+#define TCP_MAX_WINSHIFT 14 /* maximum window shift */
-#define TCP_MAXHLEN (0xf<<2) /* max length of header in bytes */
-#define TCP_MAXOLEN (TCP_MAXHLEN - sizeof(struct tcphdr))
- /* max space left for options */
+#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 && !_DARWIN_C_SOURCE) */
/*
* User-settable options (used with setsockopt).
*/
-#define TCP_NODELAY 0x01 /* don't delay send to coalesce packets */
+#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_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 */
-#define TCP_ENABLE_ECN 0x104 /* Enable ECN on a connection */
-#define TCP_FASTOPEN 0x105 /* Enable/Disable TCP Fastopen on this socket */
-#define TCP_CONNECTION_INFO 0x106 /* State of TCP connection */
+#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 */
+#define TCP_ENABLE_ECN 0x104 /* Enable ECN on a connection */
+#define TCP_FASTOPEN 0x105 /* Enable/Disable TCP Fastopen on this socket */
+#define TCP_CONNECTION_INFO 0x106 /* State of TCP connection */
#ifdef PRIVATE
-#define TCP_INFO 0x200 /* retrieve tcp_info structure */
-#define TCP_MEASURE_SND_BW 0x202 /* Measure sender's bandwidth for this connection */
+#define TCP_INFO 0x200 /* retrieve tcp_info structure */
+#define TCP_MEASURE_SND_BW 0x202 /* Measure sender's bandwidth for this connection */
#endif /* PRIVATE */
-#define TCP_NOTSENT_LOWAT 0x201 /* Low water mark for TCP unsent data */
+#define TCP_NOTSENT_LOWAT 0x201 /* Low water mark for TCP unsent data */
#ifdef PRIVATE
-#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 */
-#define TCP_NOTIMEWAIT 0x208 /* Avoid going into time-wait */
-#define TCP_DISABLE_BLACKHOLE_DETECTION 0x209 /* disable PMTU blackhole detection */
-#define TCP_ECN_MODE 0x210 /* fine grain control for A/B testing */
-#define TCP_KEEPALIVE_OFFLOAD 0x211 /* offload keep alive processing to firmware */
+#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 */
+#define TCP_OPTION_UNUSED_0 0x206 /* UNUSED */
+#define TCP_ADAPTIVE_WRITE_TIMEOUT 0x207 /* Write timeout used as a multiple of RTT */
+#define TCP_NOTIMEWAIT 0x208 /* Avoid going into time-wait */
+#define TCP_DISABLE_BLACKHOLE_DETECTION 0x209 /* disable PMTU blackhole detection */
+#define TCP_ECN_MODE 0x210 /* fine grain control for A/B testing */
+#define TCP_KEEPALIVE_OFFLOAD 0x211 /* offload keep alive processing to firmware */
/*
* TCP_ECN_MODE values
*/
-#define ECN_MODE_DEFAULT 0x0 /* per interface or system wide default */
-#define ECN_MODE_ENABLE 0x1 /* force enable ECN on connection */
-#define ECN_MODE_DISABLE 0x2 /* force disable ECN on connection */
+#define ECN_MODE_DEFAULT 0x0 /* per interface or system wide default */
+#define ECN_MODE_ENABLE 0x1 /* force enable ECN on connection */
+#define ECN_MODE_DISABLE 0x2 /* force disable ECN on connection */
/*
* TCP_NOTIFY_ACKNOWLEDGEMENT
* returned if they have been successfully acknowledged in each call.
*/
-#define TCP_MAX_NOTIFY_ACK 10
+#define TCP_MAX_NOTIFY_ACK 10
-typedef u_int32_t tcp_notify_ack_id_t;
+typedef u_int32_t tcp_notify_ack_id_t;
struct tcp_notify_ack_complete {
- u_int32_t notify_pending; /* still pending */
- u_int32_t notify_complete_count;
+ u_int32_t notify_pending; /* still pending */
+ u_int32_t notify_complete_count;
tcp_notify_ack_id_t notify_complete_id[TCP_MAX_NOTIFY_ACK];
};
-#define TCP_NOTIFY_ACKNOWLEDGEMENT 0x212 /* Notify when data is acknowledged */
-#define MPTCP_SERVICE_TYPE 0x213 /* MPTCP Service type */
-#define TCP_FASTOPEN_FORCE_HEURISTICS 0x214 /* Make sure TFO-heuristics never get disabled */
+#define TCP_NOTIFY_ACKNOWLEDGEMENT 0x212 /* Notify when data is acknowledged */
+#define MPTCP_SERVICE_TYPE 0x213 /* MPTCP Service type */
+#define TCP_FASTOPEN_FORCE_HEURISTICS 0x214 /* Make sure TFO-heuristics never get disabled */
-#define MPTCP_SVCTYPE_HANDOVER 0 /* Default 0 */
-#define MPTCP_SVCTYPE_INTERACTIVE 1
-#define MPTCP_SVCTYPE_AGGREGATE 2
-#define MPTCP_SVCTYPE_MAX 3
+#define MPTCP_SVCTYPE_HANDOVER 0 /* Default 0 */
+#define MPTCP_SVCTYPE_INTERACTIVE 1
+#define MPTCP_SVCTYPE_AGGREGATE 2
+#define MPTCP_SVCTYPE_TARGET_BASED 3
+#define MPTCP_SVCTYPE_MAX 4
/*
* Specify minimum time in seconds before which an established
* TCP connection will not be dropped when there is no response from the
* peer
*/
-#define TCP_RXT_MINIMUM_TIMEOUT 0x215
+#define TCP_RXT_MINIMUM_TIMEOUT 0x215
-#define TCP_RXT_MINIMUM_TIMEOUT_LIMIT (5 * 60) /* Limit is 5 minutes */
+#define TCP_RXT_MINIMUM_TIMEOUT_LIMIT (5 * 60) /* Limit is 5 minutes */
-#define MPTCP_ALTERNATE_PORT 0x216
+#define MPTCP_ALTERNATE_PORT 0x216
+#define MPTCP_FORCE_ENABLE 0x217
+#define TCP_FASTOPEN_FORCE_ENABLE 0x218
+#define MPTCP_EXPECTED_PROGRESS_TARGET 0x219
/*
* 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_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 */
-#define TCPI_FLAG_STREAMING_ON 0x02 /* Streaming detection on */
+#define TCPI_FLAG_LOSSRECOVERY 0x01 /* Currently in loss recovery */
+#define TCPI_FLAG_STREAMING_ON 0x02 /* Streaming detection on */
struct tcp_conn_status {
- unsigned int probe_activated : 1;
- unsigned int write_probe_failed : 1;
- unsigned int read_probe_failed : 1;
- unsigned int conn_probe_failed : 1;
+ unsigned int probe_activated : 1;
+ unsigned int write_probe_failed : 1;
+ unsigned int read_probe_failed : 1;
+ unsigned int conn_probe_failed : 1;
};
/*
* 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 */
- u_int64_t tcpi_wired_rxpackets __attribute((aligned(8))); /* packets received over Wired */
- u_int64_t tcpi_wired_rxbytes __attribute((aligned(8))); /* bytes received over Wired */
- u_int64_t tcpi_wired_txpackets __attribute((aligned(8))); /* packets transmitted over Wired */
- u_int64_t tcpi_wired_txbytes __attribute((aligned(8))); /* bytes transmitted over Wired */
- struct tcp_conn_status tcpi_connstatus; /* status of connection probes */
+ 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 */
+ u_int64_t tcpi_wired_rxpackets __attribute((aligned(8))); /* packets received over Wired */
+ u_int64_t tcpi_wired_rxbytes __attribute((aligned(8))); /* bytes received over Wired */
+ u_int64_t tcpi_wired_txpackets __attribute((aligned(8))); /* packets transmitted over Wired */
+ u_int64_t tcpi_wired_txbytes __attribute((aligned(8))); /* bytes transmitted over Wired */
+ struct tcp_conn_status tcpi_connstatus; /* status of connection probes */
u_int16_t
- tcpi_tfo_cookie_req:1, /* Cookie requested? */
- tcpi_tfo_cookie_rcv:1, /* Cookie received? */
- tcpi_tfo_syn_loss:1, /* Fallback to reg. TCP after SYN-loss */
- tcpi_tfo_syn_data_sent:1, /* SYN+data has been sent out */
- tcpi_tfo_syn_data_acked:1, /* SYN+data has been fully acknowledged */
- tcpi_tfo_syn_data_rcv:1, /* Server received SYN+data with a valid cookie */
- tcpi_tfo_cookie_req_rcv:1, /* Server received cookie-request */
- tcpi_tfo_cookie_sent:1, /* Server announced cookie */
- tcpi_tfo_cookie_invalid:1, /* Server received an invalid cookie */
- tcpi_tfo_cookie_wrong:1, /* Our sent cookie was wrong */
- tcpi_tfo_no_cookie_rcv:1, /* We did not receive a cookie upon our request */
- tcpi_tfo_heuristics_disable:1, /* TFO-heuristics disabled it */
- tcpi_tfo_send_blackhole:1, /* A sending-blackhole got detected */
- tcpi_tfo_recv_blackhole:1, /* A receiver-blackhole got detected */
- tcpi_tfo_onebyte_proxy:1; /* A proxy acknowledges all but one byte of the SYN */
-
- u_int16_t tcpi_ecn_client_setup:1, /* Attempted ECN setup from client side */
- tcpi_ecn_server_setup:1, /* Attempted ECN setup from server side */
- tcpi_ecn_success:1, /* peer negotiated ECN */
- tcpi_ecn_lost_syn:1, /* Lost SYN with ECN setup */
- tcpi_ecn_lost_synack:1, /* Lost SYN-ACK with ECN setup */
- tcpi_local_peer:1, /* Local to the host or the subnet */
- tcpi_if_cell:1, /* Interface is cellular */
- tcpi_if_wifi:1, /* Interface is WiFi */
- tcpi_if_wired:1, /* Interface is wired - ethernet , thunderbolt etc,. */
- tcpi_if_wifi_infra:1, /* Interface is wifi infrastructure */
- tcpi_if_wifi_awdl:1, /* Interface is wifi AWDL */
- tcpi_snd_background:1, /* Using delay based algorithm on sender side */
- tcpi_rcv_background:1; /* Using delay based algorithm on receive side */
-
- u_int32_t tcpi_ecn_recv_ce; /* Packets received with CE */
- u_int32_t tcpi_ecn_recv_cwr; /* Packets received with CWR */
-
- u_int32_t tcpi_rcvoopack; /* out-of-order packets received */
- u_int32_t tcpi_pawsdrop; /* segments dropped due to PAWS */
- u_int32_t tcpi_sack_recovery_episode; /* SACK recovery episodes */
- u_int32_t tcpi_reordered_pkts; /* packets reorderd */
- u_int32_t tcpi_dsack_sent; /* Sent DSACK notification */
- u_int32_t tcpi_dsack_recvd; /* Received a valid DSACK option */
- u_int32_t tcpi_flowhash; /* Unique id for the connection */
-
- u_int64_t tcpi_txretransmitpackets __attribute__((aligned(8)));
+ tcpi_tfo_cookie_req:1, /* Cookie requested? */
+ tcpi_tfo_cookie_rcv:1, /* Cookie received? */
+ tcpi_tfo_syn_loss:1, /* Fallback to reg. TCP after SYN-loss */
+ tcpi_tfo_syn_data_sent:1, /* SYN+data has been sent out */
+ tcpi_tfo_syn_data_acked:1, /* SYN+data has been fully acknowledged */
+ tcpi_tfo_syn_data_rcv:1, /* Server received SYN+data with a valid cookie */
+ tcpi_tfo_cookie_req_rcv:1, /* Server received cookie-request */
+ tcpi_tfo_cookie_sent:1, /* Server announced cookie */
+ tcpi_tfo_cookie_invalid:1, /* Server received an invalid cookie */
+ tcpi_tfo_cookie_wrong:1, /* Our sent cookie was wrong */
+ tcpi_tfo_no_cookie_rcv:1, /* We did not receive a cookie upon our request */
+ tcpi_tfo_heuristics_disable:1, /* TFO-heuristics disabled it */
+ tcpi_tfo_send_blackhole:1, /* A sending-blackhole got detected */
+ tcpi_tfo_recv_blackhole:1, /* A receiver-blackhole got detected */
+ tcpi_tfo_onebyte_proxy:1; /* A proxy acknowledges all but one byte of the SYN */
+
+ u_int16_t tcpi_ecn_client_setup:1, /* Attempted ECN setup from client side */
+ tcpi_ecn_server_setup:1, /* Attempted ECN setup from server side */
+ tcpi_ecn_success:1, /* peer negotiated ECN */
+ tcpi_ecn_lost_syn:1, /* Lost SYN with ECN setup */
+ tcpi_ecn_lost_synack:1, /* Lost SYN-ACK with ECN setup */
+ tcpi_local_peer:1, /* Local to the host or the subnet */
+ tcpi_if_cell:1, /* Interface is cellular */
+ tcpi_if_wifi:1, /* Interface is WiFi */
+ tcpi_if_wired:1, /* Interface is wired - ethernet , thunderbolt etc,. */
+ tcpi_if_wifi_infra:1, /* Interface is wifi infrastructure */
+ tcpi_if_wifi_awdl:1, /* Interface is wifi AWDL */
+ tcpi_snd_background:1, /* Using delay based algorithm on sender side */
+ tcpi_rcv_background:1; /* Using delay based algorithm on receive side */
+
+ u_int32_t tcpi_ecn_recv_ce; /* Packets received with CE */
+ u_int32_t tcpi_ecn_recv_cwr; /* Packets received with CWR */
+
+ u_int32_t tcpi_rcvoopack; /* out-of-order packets received */
+ u_int32_t tcpi_pawsdrop; /* segments dropped due to PAWS */
+ u_int32_t tcpi_sack_recovery_episode; /* SACK recovery episodes */
+ u_int32_t tcpi_reordered_pkts; /* packets reorderd */
+ u_int32_t tcpi_dsack_sent; /* Sent DSACK notification */
+ u_int32_t tcpi_dsack_recvd; /* Received a valid DSACK option */
+ u_int32_t tcpi_flowhash; /* Unique id for the connection */
+
+ u_int64_t tcpi_txretransmitpackets __attribute__((aligned(8)));
};
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 */
+ u_int32_t min_burst_size; /* Minimum number of packets to use */
+ u_int32_t max_burst_size; /* Maximum number of packets to use */
};
/*
*/
struct info_tuple {
- u_int8_t itpl_proto;
+ u_int8_t itpl_proto;
union {
- struct sockaddr _itpl_sa;
- struct sockaddr_in _itpl_sin;
- struct sockaddr_in6 _itpl_sin6;
+ 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;
+ 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
+#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)
* 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 */
+ pid_t tcpci_peer_pid; /* loopback peer PID if > 0 */
+ struct tcp_info tcpci_tcp_info; /* TCP info */
} conninfo_tcp_t;
#pragma pack()
struct mptcp_itf_stats {
- uint16_t ifindex;
- uint16_t switches;
- uint32_t is_expensive:1;
- uint64_t mpis_txbytes __attribute__((aligned(8)));
- uint64_t mpis_rxbytes __attribute__((aligned(8)));
+ u_short ifindex;
+ uint16_t switches;
+ uint32_t is_expensive:1;
+ uint64_t mpis_txbytes __attribute__((aligned(8)));
+ uint64_t mpis_rxbytes __attribute__((aligned(8)));
+ uint64_t mpis_wifi_txbytes __attribute__((aligned(8)));
+ uint64_t mpis_wifi_rxbytes __attribute__((aligned(8)));
+ uint64_t mpis_wired_txbytes __attribute__((aligned(8)));
+ uint64_t mpis_wired_rxbytes __attribute__((aligned(8)));
+ uint64_t mpis_cell_txbytes __attribute__((aligned(8)));
+ uint64_t mpis_cell_rxbytes __attribute__((aligned(8)));
};
/* Version solely used to let libnetcore survive */
-#define CONNINFO_MPTCP_VERSION 3
+#define CONNINFO_MPTCP_VERSION 3
typedef struct conninfo_multipathtcp {
- uint32_t mptcpci_subflow_count;
- uint32_t mptcpci_switch_count;
- sae_connid_t mptcpci_subflow_connids[4];
+ uint32_t mptcpci_subflow_count;
+ uint32_t mptcpci_switch_count;
+ sae_connid_t mptcpci_subflow_connids[4];
- uint64_t mptcpci_init_rxbytes;
- uint64_t mptcpci_init_txbytes;
+ uint64_t mptcpci_init_rxbytes;
+ uint64_t mptcpci_init_txbytes;
-#define MPTCP_ITFSTATS_SIZE 4
+#define MPTCP_ITFSTATS_SIZE 4
struct mptcp_itf_stats mptcpci_itfstats[MPTCP_ITFSTATS_SIZE];
- uint32_t mptcpci_flags;
-#define MPTCPCI_FIRSTPARTY 0x01
+ uint32_t mptcpci_flags;
+#define MPTCPCI_FIRSTPARTY 0x01
} conninfo_multipathtcp_t;
#endif /* PRIVATE */
struct tcp_connection_info {
- u_int8_t tcpi_state; /* connection state */
- u_int8_t tcpi_snd_wscale; /* Window scale for send window */
- u_int8_t tcpi_rcv_wscale; /* Window scale for receive window */
- u_int8_t __pad1;
- u_int32_t tcpi_options; /* TCP options supported */
-#define TCPCI_OPT_TIMESTAMPS 0x00000001 /* Timestamps enabled */
-#define TCPCI_OPT_SACK 0x00000002 /* SACK enabled */
-#define TCPCI_OPT_WSCALE 0x00000004 /* Window scaling enabled */
-#define TCPCI_OPT_ECN 0x00000008 /* ECN enabled */
- u_int32_t tcpi_flags; /* flags */
+ u_int8_t tcpi_state; /* connection state */
+ u_int8_t tcpi_snd_wscale; /* Window scale for send window */
+ u_int8_t tcpi_rcv_wscale; /* Window scale for receive window */
+ u_int8_t __pad1;
+ u_int32_t tcpi_options; /* TCP options supported */
+#define TCPCI_OPT_TIMESTAMPS 0x00000001 /* Timestamps enabled */
+#define TCPCI_OPT_SACK 0x00000002 /* SACK enabled */
+#define TCPCI_OPT_WSCALE 0x00000004 /* Window scaling enabled */
+#define TCPCI_OPT_ECN 0x00000008 /* ECN enabled */
+ u_int32_t tcpi_flags; /* flags */
#define TCPCI_FLAG_LOSSRECOVERY 0x00000001
#define TCPCI_FLAG_REORDERING_DETECTED 0x00000002
- u_int32_t tcpi_rto; /* retransmit timeout in ms */
- u_int32_t tcpi_maxseg; /* maximum segment size supported */
- u_int32_t tcpi_snd_ssthresh; /* slow start threshold in bytes */
- u_int32_t tcpi_snd_cwnd; /* send congestion window in bytes */
- u_int32_t tcpi_snd_wnd; /* send widnow in bytes */
- u_int32_t tcpi_snd_sbbytes; /* bytes in send socket buffer, including in-flight data */
- u_int32_t tcpi_rcv_wnd; /* receive window in bytes*/
- u_int32_t tcpi_rttcur; /* most recent RTT in ms */
- u_int32_t tcpi_srtt; /* average RTT in ms */
- u_int32_t tcpi_rttvar; /* RTT variance */
+ u_int32_t tcpi_rto; /* retransmit timeout in ms */
+ u_int32_t tcpi_maxseg; /* maximum segment size supported */
+ u_int32_t tcpi_snd_ssthresh; /* slow start threshold in bytes */
+ u_int32_t tcpi_snd_cwnd; /* send congestion window in bytes */
+ u_int32_t tcpi_snd_wnd; /* send widnow in bytes */
+ u_int32_t tcpi_snd_sbbytes; /* bytes in send socket buffer, including in-flight data */
+ u_int32_t tcpi_rcv_wnd; /* receive window in bytes*/
+ u_int32_t tcpi_rttcur; /* most recent RTT in ms */
+ u_int32_t tcpi_srtt; /* average RTT in ms */
+ u_int32_t tcpi_rttvar; /* RTT variance */
u_int32_t
- tcpi_tfo_cookie_req:1, /* Cookie requested? */
- tcpi_tfo_cookie_rcv:1, /* Cookie received? */
- tcpi_tfo_syn_loss:1, /* Fallback to reg. TCP after SYN-loss */
- tcpi_tfo_syn_data_sent:1, /* SYN+data has been sent out */
- tcpi_tfo_syn_data_acked:1, /* SYN+data has been fully acknowledged */
- tcpi_tfo_syn_data_rcv:1, /* Server received SYN+data with a valid cookie */
- tcpi_tfo_cookie_req_rcv:1, /* Server received cookie-request */
- tcpi_tfo_cookie_sent:1, /* Server announced cookie */
- tcpi_tfo_cookie_invalid:1, /* Server received an invalid cookie */
- tcpi_tfo_cookie_wrong:1, /* Our sent cookie was wrong */
- tcpi_tfo_no_cookie_rcv:1, /* We did not receive a cookie upon our request */
- tcpi_tfo_heuristics_disable:1, /* TFO-heuristics disabled it */
- tcpi_tfo_send_blackhole:1, /* A sending-blackhole got detected */
- tcpi_tfo_recv_blackhole:1, /* A receiver-blackhole got detected */
- tcpi_tfo_onebyte_proxy:1, /* A proxy acknowledges all but one byte of the SYN */
- __pad2:17;
- u_int64_t tcpi_txpackets __attribute__((aligned(8)));
- u_int64_t tcpi_txbytes __attribute__((aligned(8)));
- u_int64_t tcpi_txretransmitbytes __attribute__((aligned(8)));
- u_int64_t tcpi_rxpackets __attribute__((aligned(8)));
- u_int64_t tcpi_rxbytes __attribute__((aligned(8)));
- u_int64_t tcpi_rxoutoforderbytes __attribute__((aligned(8)));
- u_int64_t tcpi_txretransmitpackets __attribute__((aligned(8)));
+ tcpi_tfo_cookie_req:1, /* Cookie requested? */
+ tcpi_tfo_cookie_rcv:1, /* Cookie received? */
+ tcpi_tfo_syn_loss:1, /* Fallback to reg. TCP after SYN-loss */
+ tcpi_tfo_syn_data_sent:1, /* SYN+data has been sent out */
+ tcpi_tfo_syn_data_acked:1, /* SYN+data has been fully acknowledged */
+ tcpi_tfo_syn_data_rcv:1, /* Server received SYN+data with a valid cookie */
+ tcpi_tfo_cookie_req_rcv:1, /* Server received cookie-request */
+ tcpi_tfo_cookie_sent:1, /* Server announced cookie */
+ tcpi_tfo_cookie_invalid:1, /* Server received an invalid cookie */
+ tcpi_tfo_cookie_wrong:1, /* Our sent cookie was wrong */
+ tcpi_tfo_no_cookie_rcv:1, /* We did not receive a cookie upon our request */
+ tcpi_tfo_heuristics_disable:1, /* TFO-heuristics disabled it */
+ tcpi_tfo_send_blackhole:1, /* A sending-blackhole got detected */
+ tcpi_tfo_recv_blackhole:1, /* A receiver-blackhole got detected */
+ tcpi_tfo_onebyte_proxy:1, /* A proxy acknowledges all but one byte of the SYN */
+ __pad2:17;
+ u_int64_t tcpi_txpackets __attribute__((aligned(8)));
+ u_int64_t tcpi_txbytes __attribute__((aligned(8)));
+ u_int64_t tcpi_txretransmitbytes __attribute__((aligned(8)));
+ u_int64_t tcpi_rxpackets __attribute__((aligned(8)));
+ u_int64_t tcpi_rxbytes __attribute__((aligned(8)));
+ u_int64_t tcpi_rxoutoforderbytes __attribute__((aligned(8)));
+ u_int64_t tcpi_txretransmitpackets __attribute__((aligned(8)));
};
#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
projects / apple / xnu.git / blobdiff