/*
- * Copyright (c) 2000-2014 Apple Inc. All rights reserved.
+ * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
#include <sys/types.h>
#include <sys/appleapiopts.h>
#include <machine/endian.h>
+#include <machine/types.h> /* __uint32_t */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
typedef __uint32_t tcp_seq;
#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 */
#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 */
* 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_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_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 */
+
+/*
+ * TCP_NOTIFY_ACKNOWLEDGEMENT
+ *
+ * Application can use this socket option to get a notification when
+ * data that is currently written to the socket is acknowledged. The input
+ * argument given to this socket option is a marker_id that will be used for
+ * returning the notification. The application can continue to write
+ * data after setting the marker. There can be multiple of these events
+ * outstanding on a socket at any time up to a max of TCP_MAX_NOTIFY_ACK.
+ *
+ * To get the completed notifications, getsockopt should be called with the
+ * TCP_NOTIFY_ACKNOWLEDGEMENT with the following tcp_notify_ack_complete
+ * structure as an out argument. At most TCP_MAX_NOTIFY_ACK ids will be
+ * returned if they have been successfully acknowledged in each call.
+ */
+
+#define TCP_MAX_NOTIFY_ACK 10
+
+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;
+ 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 MPTCP_SVCTYPE_HANDOVER 0 /* Default 0 */
+#define MPTCP_SVCTYPE_INTERACTIVE 1
+#define MPTCP_SVCTYPE_AGGREGATE 2
+#define MPTCP_SVCTYPE_MAX 3
+/*
+ * 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_LIMIT (5 * 60) /* Limit is 5 minutes */
+
+#define MPTCP_ALTERNATE_PORT 0x216
/*
* The TCP_INFO socket option is a private API and is subject to change
#define TCPI_OPT_ECN 0x08
#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;
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_wired_txbytes __attribute((aligned(8))); /* bytes transmitted over Wired */
struct tcp_conn_status tcpi_connstatus; /* status of connection probes */
- u_int16_t /* Client-side information */
+ 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 */
- /* And the following are for server-side information (must be set on the listener socket) */
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_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 {
};
#define itpl_local_sa itpl_localaddr._itpl_sa
-#define itpl_local_sin itpl_localaddr._itpl_sin
+#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_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
+ * 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 {
#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)));
+};
+
+/* Version solely used to let libnetcore survive */
+#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];
+
+ uint64_t mptcpci_init_rxbytes;
+ uint64_t mptcpci_init_txbytes;
+
+#define MPTCP_ITFSTATS_SIZE 4
+ struct mptcp_itf_stats mptcpci_itfstats[MPTCP_ITFSTATS_SIZE];
+
+ uint32_t mptcpci_flags;
+#define MPTCPCI_FIRSTPARTY 0x01
+} conninfo_multipathtcp_t;
+
#endif /* PRIVATE */
struct tcp_connection_info {
u_int32_t tcpi_srtt; /* average RTT in ms */
u_int32_t tcpi_rttvar; /* RTT variance */
u_int32_t
- /* Client-side information */
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 */
- /* And the following are for server-side information (must be set on the listener socket) */
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 */
- __pad2:23;
+ 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