409 lines
19 KiB
C
409 lines
19 KiB
C
/*
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* Copyright (c) 2000-2018 Apple Inc. All rights reserved.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
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*
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* This file contains Original Code and/or Modifications of Original Code
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* as defined in and that are subject to the Apple Public Source License
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* Version 2.0 (the 'License'). You may not use this file except in
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* compliance with the License. The rights granted to you under the License
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* may not be used to create, or enable the creation or redistribution of,
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* unlawful or unlicensed copies of an Apple operating system, or to
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* circumvent, violate, or enable the circumvention or violation of, any
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* terms of an Apple operating system software license agreement.
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*
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* Please obtain a copy of the License at
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* http://www.opensource.apple.com/apsl/ and read it before using this file.
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*
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* The Original Code and all software distributed under the License are
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* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
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* Please see the License for the specific language governing rights and
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* limitations under the License.
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*
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* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
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*/
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/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)tcp.h 8.1 (Berkeley) 6/10/93
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* $FreeBSD: src/sys/netinet/tcp.h,v 1.13.2.3 2001/03/01 22:08:42 jlemon Exp $
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*/
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#ifndef _NETINET_TCP_PRIVATE_H_
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#define _NETINET_TCP_PRIVATE_H_
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
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#define TCP_INFO 0x200 /* retrieve tcp_info structure */
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#define TCP_MEASURE_SND_BW 0x202 /* Measure sender's bandwidth for this connection */
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#define TCP_MEASURE_BW_BURST 0x203 /* Burst size to use for bandwidth measurement */
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#define TCP_PEER_PID 0x204 /* Lookup pid of the process we're connected to */
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#define TCP_ADAPTIVE_READ_TIMEOUT 0x205 /* Read timeout used as a multiple of RTT */
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#define TCP_OPTION_UNUSED_0 0x206 /* UNUSED */
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#define TCP_ADAPTIVE_WRITE_TIMEOUT 0x207 /* Write timeout used as a multiple of RTT */
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#define TCP_NOTIMEWAIT 0x208 /* Avoid going into time-wait */
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#define TCP_DISABLE_BLACKHOLE_DETECTION 0x209 /* disable PMTU blackhole detection */
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#define TCP_ECN_MODE 0x210 /* fine grain control for A/B testing */
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#define TCP_KEEPALIVE_OFFLOAD 0x211 /* offload keep alive processing to firmware */
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/*
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* TCP_ECN_MODE values
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*/
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#define ECN_MODE_DEFAULT 0x0 /* per interface or system wide default */
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#define ECN_MODE_ENABLE 0x1 /* force enable ECN on connection */
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#define ECN_MODE_DISABLE 0x2 /* force disable ECN on connection */
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/*
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* TCP_NOTIFY_ACKNOWLEDGEMENT
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*
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* Application can use this socket option to get a notification when
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* data that is currently written to the socket is acknowledged. The input
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* argument given to this socket option is a marker_id that will be used for
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* returning the notification. The application can continue to write
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* data after setting the marker. There can be multiple of these events
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* outstanding on a socket at any time up to a max of TCP_MAX_NOTIFY_ACK.
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*
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* To get the completed notifications, getsockopt should be called with the
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* TCP_NOTIFY_ACKNOWLEDGEMENT with the following tcp_notify_ack_complete
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* structure as an out argument. At most TCP_MAX_NOTIFY_ACK ids will be
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* returned if they have been successfully acknowledged in each call.
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*/
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#define TCP_MAX_NOTIFY_ACK 10
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typedef u_int32_t tcp_notify_ack_id_t;
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struct tcp_notify_ack_complete {
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u_int32_t notify_pending;/* still pending */
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u_int32_t notify_complete_count;
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tcp_notify_ack_id_t notify_complete_id[TCP_MAX_NOTIFY_ACK];
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};
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#define TCP_NOTIFY_ACKNOWLEDGEMENT 0x212 /* Notify when data is acknowledged */
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#define MPTCP_SERVICE_TYPE 0x213 /* MPTCP Service type */
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#define TCP_FASTOPEN_FORCE_HEURISTICS 0x214 /* Make sure TFO-heuristics never get disabled */
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#define MPTCP_SVCTYPE_HANDOVER 0 /* Default 0 */
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#define MPTCP_SVCTYPE_INTERACTIVE 1
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#define MPTCP_SVCTYPE_AGGREGATE 2
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#define MPTCP_SVCTYPE_TARGET_BASED 3
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#define MPTCP_SVCTYPE_PURE_HANDOVER 4
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#define MPTCP_SVCTYPE_MAX 5
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/*
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* Specify minimum time in seconds before which an established
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* TCP connection will not be dropped when there is no response from the
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* peer
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*/
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#define TCP_RXT_MINIMUM_TIMEOUT 0x215
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#define TCP_RXT_MINIMUM_TIMEOUT_LIMIT (5 * 60) /* Limit is 5 minutes */
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#define MPTCP_ALTERNATE_PORT 0x216
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#define MPTCP_FORCE_ENABLE 0x217
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#define TCP_FASTOPEN_FORCE_ENABLE 0x218
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#define MPTCP_EXPECTED_PROGRESS_TARGET 0x219
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#define MPTCP_FORCE_VERSION 0x21a
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#define TCP_ENABLE_L4S 0x21b /* Enable or disable L4S */
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/* When adding new socket-options, you need to make sure MPTCP supports these as well! */
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/*
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* The TCP_INFO socket option is a private API and is subject to change
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*/
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#pragma pack(4)
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#define TCPI_OPT_TIMESTAMPS 0x01
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#define TCPI_OPT_SACK 0x02
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#define TCPI_OPT_WSCALE 0x04
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#define TCPI_OPT_ECN 0x08
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#define TCPI_FLAG_LOSSRECOVERY 0x01 /* Currently in loss recovery */
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#define TCPI_FLAG_STREAMING_ON 0x02 /* Streaming detection on */
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struct tcp_conn_status {
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union {
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struct {
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unsigned int probe_activated : 1;
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unsigned int write_probe_failed : 1;
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unsigned int read_probe_failed : 1;
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unsigned int conn_probe_failed : 1;
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};
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uint32_t pad_field;
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};
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};
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#define TCPINFO_HAS_L4S_ 1
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typedef enum {
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tcp_connection_client_accurate_ecn_invalid = 0,
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tcp_connection_client_accurate_ecn_feature_disabled = 1,
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tcp_connection_client_accurate_ecn_feature_enabled = 2,
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tcp_connection_client_classic_ecn_available = 3,
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tcp_connection_client_ecn_not_available = 4,
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tcp_connection_client_accurate_ecn_negotiation_blackholed = 5,
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tcp_connection_client_accurate_ecn_ace_bleaching_detected = 6,
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tcp_connection_client_accurate_ecn_negotiation_success = 7,
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tcp_connection_client_accurate_ecn_negotiation_success_ect_mangling_detected = 8,
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tcp_connection_client_accurate_ecn_negotiation_success_ect_bleaching_detected = 9,
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} tcp_connection_client_accurate_ecn_state_t;
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typedef enum {
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tcp_connection_server_accurate_ecn_invalid = 0,
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tcp_connection_server_accurate_ecn_feature_disabled = 1,
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tcp_connection_server_accurate_ecn_feature_enabled = 2,
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tcp_connection_server_no_ecn_requested = 3,
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tcp_connection_server_classic_ecn_requested = 4,
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tcp_connection_server_accurate_ecn_requested = 5,
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tcp_connection_server_accurate_ecn_negotiation_blackholed = 6,
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tcp_connection_server_accurate_ecn_ace_bleaching_detected = 7,
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tcp_connection_server_accurate_ecn_negotiation_success = 8,
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tcp_connection_server_accurate_ecn_negotiation_success_ect_mangling_detected = 9,
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tcp_connection_server_accurate_ecn_negotiation_success_ect_bleaching_detected = 10,
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} tcp_connection_server_accurate_ecn_state_t;
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/*
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* Add new fields to this structure at the end only. This will preserve
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* binary compatibility.
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*/
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struct tcp_info {
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u_int8_t tcpi_state; /* TCP FSM state. */
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u_int8_t tcpi_options; /* Options enabled on conn. */
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u_int8_t tcpi_snd_wscale; /* RFC1323 send shift value. */
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u_int8_t tcpi_rcv_wscale; /* RFC1323 recv shift value. */
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u_int32_t tcpi_flags; /* extra flags (TCPI_FLAG_xxx) */
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u_int32_t tcpi_rto; /* Retransmission timeout in milliseconds */
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u_int32_t tcpi_snd_mss; /* Max segment size for send. */
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u_int32_t tcpi_rcv_mss; /* Max segment size for receive. */
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u_int32_t tcpi_rttcur; /* Most recent value of RTT */
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u_int32_t tcpi_srtt; /* Sender's Smoothed RTT */
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u_int32_t tcpi_rttvar; /* RTT variance */
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u_int32_t tcpi_rttbest; /* Best RTT we've seen */
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u_int32_t tcpi_snd_ssthresh; /* Slow start threshold. */
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u_int32_t tcpi_snd_cwnd; /* Send congestion window. */
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u_int32_t tcpi_rcv_space; /* Advertised recv window. */
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u_int32_t tcpi_snd_wnd; /* Advertised send window. */
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u_int32_t tcpi_snd_nxt; /* Next egress seqno */
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u_int32_t tcpi_rcv_nxt; /* Next ingress seqno */
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int32_t tcpi_last_outif; /* if_index of interface used to send last */
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u_int32_t tcpi_snd_sbbytes; /* bytes in snd buffer including data inflight */
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u_int64_t tcpi_txpackets __attribute__((aligned(8))); /* total packets sent */
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u_int64_t tcpi_txbytes __attribute__((aligned(8)));
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/* total bytes sent */
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u_int64_t tcpi_txretransmitbytes __attribute__((aligned(8)));
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/* total bytes retransmitted */
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u_int64_t tcpi_txunacked __attribute__((aligned(8)));
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/* current number of bytes not acknowledged */
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u_int64_t tcpi_rxpackets __attribute__((aligned(8))); /* total packets received */
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u_int64_t tcpi_rxbytes __attribute__((aligned(8)));
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/* total bytes received */
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u_int64_t tcpi_rxduplicatebytes __attribute__((aligned(8)));
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/* total duplicate bytes received */
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u_int64_t tcpi_rxoutoforderbytes __attribute__((aligned(8)));
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/* total out of order bytes received */
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u_int64_t tcpi_snd_bw __attribute__((aligned(8))); /* measured send bandwidth in bits/sec */
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u_int8_t tcpi_synrexmits; /* Number of syn retransmits before connect */
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u_int8_t tcpi_unused1;
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u_int16_t tcpi_unused2;
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u_int64_t tcpi_cell_rxpackets __attribute((aligned(8)));/* packets received over cellular */
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u_int64_t tcpi_cell_rxbytes __attribute((aligned(8)));/* bytes received over cellular */
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u_int64_t tcpi_cell_txpackets __attribute((aligned(8)));/* packets transmitted over cellular */
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u_int64_t tcpi_cell_txbytes __attribute((aligned(8)));/* bytes transmitted over cellular */
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u_int64_t tcpi_wifi_rxpackets __attribute((aligned(8)));/* packets received over Wi-Fi */
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u_int64_t tcpi_wifi_rxbytes __attribute((aligned(8)));/* bytes received over Wi-Fi */
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u_int64_t tcpi_wifi_txpackets __attribute((aligned(8)));/* packets transmitted over Wi-Fi */
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u_int64_t tcpi_wifi_txbytes __attribute((aligned(8)));/* bytes transmitted over Wi-Fi */
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u_int64_t tcpi_wired_rxpackets __attribute((aligned(8)));/* packets received over Wired */
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u_int64_t tcpi_wired_rxbytes __attribute((aligned(8)));/* bytes received over Wired */
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u_int64_t tcpi_wired_txpackets __attribute((aligned(8)));/* packets transmitted over Wired */
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u_int64_t tcpi_wired_txbytes __attribute((aligned(8)));/* bytes transmitted over Wired */
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struct tcp_conn_status tcpi_connstatus;/* status of connection probes */
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u_int16_t
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tcpi_tfo_cookie_req:1, /* Cookie requested? */
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tcpi_tfo_cookie_rcv:1, /* Cookie received? */
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tcpi_tfo_syn_loss:1, /* Fallback to reg. TCP after SYN-loss */
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tcpi_tfo_syn_data_sent:1, /* SYN+data has been sent out */
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tcpi_tfo_syn_data_acked:1, /* SYN+data has been fully acknowledged */
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tcpi_tfo_syn_data_rcv:1, /* Server received SYN+data with a valid cookie */
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tcpi_tfo_cookie_req_rcv:1, /* Server received cookie-request */
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tcpi_tfo_cookie_sent:1, /* Server announced cookie */
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tcpi_tfo_cookie_invalid:1, /* Server received an invalid cookie */
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tcpi_tfo_cookie_wrong:1, /* Our sent cookie was wrong */
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tcpi_tfo_no_cookie_rcv:1, /* We did not receive a cookie upon our request */
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tcpi_tfo_heuristics_disable:1, /* TFO-heuristics disabled it */
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tcpi_tfo_send_blackhole:1, /* A sending-blackhole got detected */
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tcpi_tfo_recv_blackhole:1, /* A receiver-blackhole got detected */
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tcpi_tfo_onebyte_proxy:1; /* A proxy acknowledges all but one byte of the SYN */
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u_int16_t tcpi_ecn_client_setup:1, /* Attempted ECN setup from client side */
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tcpi_ecn_server_setup:1, /* Attempted ECN setup from server side */
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tcpi_ecn_success:1, /* peer negotiated ECN */
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tcpi_ecn_lost_syn:1, /* Lost SYN with ECN setup */
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tcpi_ecn_lost_synack:1, /* Lost SYN-ACK with ECN setup */
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tcpi_local_peer:1, /* Local to the host or the subnet */
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tcpi_if_cell:1, /* Interface is cellular */
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tcpi_if_wifi:1, /* Interface is WiFi */
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tcpi_if_wired:1, /* Interface is wired - ethernet , thunderbolt etc,. */
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tcpi_if_wifi_infra:1, /* Interface is wifi infrastructure */
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tcpi_if_wifi_awdl:1, /* Interface is wifi AWDL */
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tcpi_snd_background:1, /* Using delay based algorithm on sender side */
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tcpi_rcv_background:1; /* Using delay based algorithm on receive side */
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u_int32_t tcpi_ecn_recv_ce; /* Packets received with CE */
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u_int32_t tcpi_ecn_recv_cwr; /* Packets received with CWR */
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u_int32_t tcpi_rcvoopack; /* out-of-order packets received */
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u_int32_t tcpi_pawsdrop; /* segments dropped due to PAWS */
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u_int32_t tcpi_sack_recovery_episode;/* SACK recovery episodes */
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u_int32_t tcpi_reordered_pkts;/* packets reorderd */
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u_int32_t tcpi_dsack_sent; /* Sent DSACK notification */
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u_int32_t tcpi_dsack_recvd; /* Received a valid DSACK option */
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u_int32_t tcpi_flowhash; /* Unique id for the connection */
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u_int64_t tcpi_txretransmitpackets __attribute__((aligned(8)));
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#define TCPINFO_HAS_RCV_RTT 1
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uint32_t tcpi_rcv_srtt; /* Receiver's Smoothed RTT */
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uint32_t tcpi_client_accecn_state; /* Client's Accurate ECN state */
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uint32_t tcpi_server_accecn_state; /* Server's Accurate ECN state as seen by clent */
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uint64_t tcpi_ecn_capable_packets_sent; /* Packets sent with ECT */
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uint64_t tcpi_ecn_capable_packets_acked; /* Packets sent with ECT that were ACKed */
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uint64_t tcpi_ecn_capable_packets_marked; /* Packets sent with ECT that were marked */
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uint64_t tcpi_ecn_capable_packets_lost; /* Packets sent with ECT that were lost */
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#define TCPINFO_HAS_LIMITED_TIME 1
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uint64_t tcpi_flow_control_total_time;
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uint64_t tcpi_rcvwnd_limited_total_time;
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};
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struct tcp_measure_bw_burst {
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u_int32_t min_burst_size;/* Minimum number of packets to use */
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u_int32_t max_burst_size;/* Maximum number of packets to use */
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};
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/*
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* Note that IPv6 link local addresses should have the appropriate scope ID
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*/
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struct info_tuple {
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u_int8_t itpl_proto;
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union {
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#if !__has_ptrcheck
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struct sockaddr _itpl_sa;
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#endif
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struct __sockaddr_header _itpl_sah;
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struct sockaddr_in _itpl_sin;
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struct sockaddr_in6 _itpl_sin6;
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} itpl_localaddr;
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union {
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#if !__has_ptrcheck
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struct sockaddr _itpl_sa;
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#endif
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struct __sockaddr_header _itpl_sah;
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struct sockaddr_in _itpl_sin;
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struct sockaddr_in6 _itpl_sin6;
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} itpl_remoteaddr;
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};
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#if !__has_ptrcheck
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#define itpl_local_sa itpl_localaddr._itpl_sa
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#define itpl_remote_sa itpl_remoteaddr._itpl_sa
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#endif
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#define itpl_local_sah itpl_localaddr._itpl_sah
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#define itpl_local_sin itpl_localaddr._itpl_sin
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#define itpl_local_sin6 itpl_localaddr._itpl_sin6
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#define itpl_remote_sah itpl_remoteaddr._itpl_sah
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#define itpl_remote_sin itpl_remoteaddr._itpl_sin
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#define itpl_remote_sin6 itpl_remoteaddr._itpl_sin6
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/*
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* TCP connection info auxiliary data (CIAUX_TCP)
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*
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* Do not add new fields to this structure, just add them to tcp_info
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* structure towards the end. This will preserve binary compatibility.
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*/
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typedef struct conninfo_tcp {
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struct tcp_info tcpci_tcp_info;/* TCP info */
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} conninfo_tcp_t;
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#pragma pack()
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struct mptcp_itf_stats {
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u_short ifindex;
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uint16_t switches;
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uint32_t is_expensive:1;
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uint64_t mpis_txbytes __attribute__((aligned(8)));
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uint64_t mpis_rxbytes __attribute__((aligned(8)));
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uint64_t mpis_wifi_txbytes __attribute__((aligned(8)));
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uint64_t mpis_wifi_rxbytes __attribute__((aligned(8)));
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uint64_t mpis_wired_txbytes __attribute__((aligned(8)));
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uint64_t mpis_wired_rxbytes __attribute__((aligned(8)));
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uint64_t mpis_cell_txbytes __attribute__((aligned(8)));
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uint64_t mpis_cell_rxbytes __attribute__((aligned(8)));
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};
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/* Version solely used to let libnetcore survive */
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|
#define CONNINFO_MPTCP_VERSION 3
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typedef struct conninfo_multipathtcp {
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uint32_t mptcpci_subflow_count;
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|
uint32_t mptcpci_switch_count;
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|
sae_connid_t mptcpci_subflow_connids[4];
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|
|
|
uint64_t mptcpci_init_rxbytes;
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|
uint64_t mptcpci_init_txbytes;
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|
|
|
#define MPTCP_ITFSTATS_SIZE 4
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|
struct mptcp_itf_stats mptcpci_itfstats[MPTCP_ITFSTATS_SIZE];
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|
|
|
uint32_t mptcpci_flags;
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|
#define MPTCPCI_FIRSTPARTY 0x01
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|
} conninfo_multipathtcp_t;
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#endif /* (_POSIX_C_SOURCE && !_DARWIN_C_SOURCE) */
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|
|
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#endif /* _NETINET_TCP_PRIVATE_H_ */
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