/*
- * Copyright (c) 2010-2011 Apple Inc. All rights reserved.
+ * Copyright (c) 2010-2016 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_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
* 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,
* 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_OSREFERENCE_LICENSE_HEADER_END@
*/
#ifndef __NTSTAT_H__
#define __NTSTAT_H__
#include <netinet/in.h>
+#include <net/if.h>
+#include <net/if_var.h>
+#include <netinet/tcp.h>
#ifdef PRIVATE
#pragma pack(push, 4)
#pragma mark -- Common Data Structures --
-#define __NSTAT_REVISION__ 1
+#define __NSTAT_REVISION__ 8
typedef u_int32_t nstat_provider_id_t;
-typedef u_int32_t nstat_src_ref_t;
+typedef u_int64_t nstat_src_ref_t;
+typedef u_int64_t nstat_event_flags_t;
+
+// The following event definitions are very provisional..
+enum
+{
+ NSTAT_EVENT_SRC_ADDED = 0x00000001
+ ,NSTAT_EVENT_SRC_REMOVED = 0x00000002
+ ,NSTAT_EVENT_SRC_QUERIED = 0x00000004
+ ,NSTAT_EVENT_SRC_QUERIED_ALL = 0x00000008
+ ,NSTAT_EVENT_SRC_WILL_CHANGE_STATE = 0x00000010
+ ,NSTAT_EVENT_SRC_DID_CHANGE_STATE = 0x00000020
+ ,NSTAT_EVENT_SRC_WILL_CHANGE_OWNER = 0x00000040
+ ,NSTAT_EVENT_SRC_DID_CHANGE_OWNER = 0x00000080
+ ,NSTAT_EVENT_SRC_WILL_CHANGE_PROPERTY = 0x00000100
+ ,NSTAT_EVENT_SRC_DID_CHANGE_PROPERTY = 0x00000200
+};
typedef struct nstat_counts
{
u_int32_t nstat_rxduplicatebytes;
u_int32_t nstat_rxoutoforderbytes;
u_int32_t nstat_txretransmit;
-
+
u_int32_t nstat_connectattempts;
u_int32_t nstat_connectsuccesses;
-
+
u_int32_t nstat_min_rtt;
u_int32_t nstat_avg_rtt;
u_int32_t nstat_var_rtt;
+
+ u_int64_t nstat_cell_rxbytes __attribute__((aligned(8)));
+ u_int64_t nstat_cell_txbytes __attribute__((aligned(8)));
+ u_int64_t nstat_wifi_rxbytes __attribute__((aligned(8)));
+ u_int64_t nstat_wifi_txbytes __attribute__((aligned(8)));
+ u_int64_t nstat_wired_rxbytes __attribute__((aligned(8)));
+ u_int64_t nstat_wired_txbytes __attribute__((aligned(8)));
} nstat_counts;
+typedef struct nstat_sysinfo_keyval
+{
+ u_int32_t nstat_sysinfo_key;
+ u_int32_t nstat_sysinfo_flags;
+ union {
+ int64_t nstat_sysinfo_scalar;
+ double nstat_sysinfo_distribution;
+ } u;
+} __attribute__((packed)) nstat_sysinfo_keyval;
+
+#define NSTAT_SYSINFO_FLAG_SCALAR 0x0001
+#define NSTAT_SYSINFO_FLAG_DISTRIBUTION 0x0002
+
+#define NSTAT_MAX_MSG_SIZE 4096
+
+typedef struct nstat_sysinfo_counts
+{
+ /* Counters */
+ u_int32_t nstat_sysinfo_len;
+ u_int32_t pad;
+ u_int8_t nstat_sysinfo_keyvals[];
+} __attribute__((packed)) nstat_sysinfo_counts;
+
+enum
+{
+ NSTAT_SYSINFO_KEY_MBUF_256B_TOTAL = 1
+ ,NSTAT_SYSINFO_KEY_MBUF_2KB_TOTAL = 2
+ ,NSTAT_SYSINFO_KEY_MBUF_4KB_TOTAL = 3
+ ,NSTAT_SYSINFO_KEY_SOCK_MBCNT = 4
+ ,NSTAT_SYSINFO_KEY_SOCK_ATMBLIMIT = 5
+ ,NSTAT_SYSINFO_KEY_IPV4_AVGRTT = 6
+ ,NSTAT_SYSINFO_KEY_IPV6_AVGRTT = 7
+ ,NSTAT_SYSINFO_KEY_SEND_PLR = 8
+ ,NSTAT_SYSINFO_KEY_RECV_PLR = 9
+ ,NSTAT_SYSINFO_KEY_SEND_TLRTO = 10
+ ,NSTAT_SYSINFO_KEY_SEND_REORDERRATE = 11
+ ,NSTAT_SYSINFO_CONNECTION_ATTEMPTS = 12
+ ,NSTAT_SYSINFO_CONNECTION_ACCEPTS = 13
+ ,NSTAT_SYSINFO_ECN_CLIENT_SETUP = 14
+ ,NSTAT_SYSINFO_ECN_SERVER_SETUP = 15
+ ,NSTAT_SYSINFO_ECN_CLIENT_SUCCESS = 16
+ ,NSTAT_SYSINFO_ECN_SERVER_SUCCESS = 17
+ ,NSTAT_SYSINFO_ECN_NOT_SUPPORTED = 18
+ ,NSTAT_SYSINFO_ECN_LOST_SYN = 19
+ ,NSTAT_SYSINFO_ECN_LOST_SYNACK = 20
+ ,NSTAT_SYSINFO_ECN_RECV_CE = 21
+ ,NSTAT_SYSINFO_ECN_RECV_ECE = 22
+ ,NSTAT_SYSINFO_ECN_SENT_ECE = 23
+ ,NSTAT_SYSINFO_ECN_CONN_RECV_CE = 24
+ ,NSTAT_SYSINFO_ECN_CONN_PLNOCE = 25
+ ,NSTAT_SYSINFO_ECN_CONN_PL_CE = 26
+ ,NSTAT_SYSINFO_ECN_CONN_NOPL_CE = 27
+ ,NSTAT_SYSINFO_MBUF_16KB_TOTAL = 28
+ ,NSTAT_SYSINFO_ECN_CLIENT_ENABLED = 29
+ ,NSTAT_SYSINFO_ECN_SERVER_ENABLED = 30
+ ,NSTAT_SYSINFO_ECN_CONN_RECV_ECE = 31
+ ,NSTAT_SYSINFO_MBUF_MEM_RELEASED = 32
+ ,NSTAT_SYSINFO_MBUF_DRAIN_CNT = 33
+ ,NSTAT_SYSINFO_TFO_SYN_DATA_RCV = 34
+ ,NSTAT_SYSINFO_TFO_COOKIE_REQ_RCV = 35
+ ,NSTAT_SYSINFO_TFO_COOKIE_SENT = 36
+ ,NSTAT_SYSINFO_TFO_COOKIE_INVALID = 37
+ ,NSTAT_SYSINFO_TFO_COOKIE_REQ = 38
+ ,NSTAT_SYSINFO_TFO_COOKIE_RCV = 39
+ ,NSTAT_SYSINFO_TFO_SYN_DATA_SENT = 40
+ ,NSTAT_SYSINFO_TFO_SYN_DATA_ACKED = 41
+ ,NSTAT_SYSINFO_TFO_SYN_LOSS = 42
+ ,NSTAT_SYSINFO_TFO_BLACKHOLE = 43
+ ,NSTAT_SYSINFO_ECN_FALLBACK_SYNLOSS = 44
+ ,NSTAT_SYSINFO_ECN_FALLBACK_REORDER = 45
+ ,NSTAT_SYSINFO_ECN_FALLBACK_CE = 46
+ ,NSTAT_SYSINFO_ECN_IFNET_TYPE = 47
+ ,NSTAT_SYSINFO_ECN_IFNET_PROTO = 48
+ ,NSTAT_SYSINFO_ECN_IFNET_CLIENT_SETUP = 49
+ ,NSTAT_SYSINFO_ECN_IFNET_SERVER_SETUP = 50
+ ,NSTAT_SYSINFO_ECN_IFNET_CLIENT_SUCCESS = 51
+ ,NSTAT_SYSINFO_ECN_IFNET_SERVER_SUCCESS = 52
+ ,NSTAT_SYSINFO_ECN_IFNET_PEER_NOSUPPORT = 53
+ ,NSTAT_SYSINFO_ECN_IFNET_SYN_LOST = 54
+ ,NSTAT_SYSINFO_ECN_IFNET_SYNACK_LOST = 55
+ ,NSTAT_SYSINFO_ECN_IFNET_RECV_CE = 56
+ ,NSTAT_SYSINFO_ECN_IFNET_RECV_ECE = 57
+ ,NSTAT_SYSINFO_ECN_IFNET_SENT_ECE = 58
+ ,NSTAT_SYSINFO_ECN_IFNET_CONN_RECV_CE = 59
+ ,NSTAT_SYSINFO_ECN_IFNET_CONN_RECV_ECE = 60
+ ,NSTAT_SYSINFO_ECN_IFNET_CONN_PLNOCE = 61
+ ,NSTAT_SYSINFO_ECN_IFNET_CONN_PLCE = 62
+ ,NSTAT_SYSINFO_ECN_IFNET_CONN_NOPLCE = 63
+ ,NSTAT_SYSINFO_ECN_IFNET_FALLBACK_SYNLOSS = 64
+ ,NSTAT_SYSINFO_ECN_IFNET_FALLBACK_REORDER = 65
+ ,NSTAT_SYSINFO_ECN_IFNET_FALLBACK_CE = 66
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_RTT_AVG = 67
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_RTT_VAR = 68
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_OOPERCENT = 69
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_SACK_EPISODE = 70
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_REORDER_PERCENT = 71
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_RXMIT_PERCENT = 72
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_RXMIT_DROP = 73
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_RTT_AVG = 74
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_RTT_VAR = 75
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_OOPERCENT = 76
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_SACK_EPISODE = 77
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_REORDER_PERCENT = 78
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_RXMIT_PERCENT = 79
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_RXMIT_DROP = 80
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_TOTAL_TXPKTS = 81
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_TOTAL_RXMTPKTS = 82
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_TOTAL_RXPKTS = 83
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_TOTAL_OOPKTS = 84
+ ,NSTAT_SYSINFO_ECN_IFNET_ON_DROP_RST = 85
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_TOTAL_TXPKTS = 86
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_TOTAL_RXMTPKTS = 87
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_TOTAL_RXPKTS = 88
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_TOTAL_OOPKTS = 89
+ ,NSTAT_SYSINFO_ECN_IFNET_OFF_DROP_RST = 90
+ ,NSTAT_SYSINFO_ECN_IFNET_TOTAL_CONN = 91
+ ,NSTAT_SYSINFO_TFO_COOKIE_WRONG = 92
+ ,NSTAT_SYSINFO_TFO_NO_COOKIE_RCV = 93
+ ,NSTAT_SYSINFO_TFO_HEURISTICS_DISABLE = 94
+ ,NSTAT_SYSINFO_TFO_SEND_BLACKHOLE = 95
+ ,NSTAT_SYSINFO_KEY_SOCK_MBFLOOR = 96
+ ,NSTAT_SYSINFO_IFNET_UNSENT_DATA = 97
+ ,NSTAT_SYSINFO_ECN_IFNET_FALLBACK_DROPRST = 98
+ ,NSTAT_SYSINFO_ECN_IFNET_FALLBACK_DROPRXMT = 99
+// NSTAT_SYSINFO_ENUM_VERSION must be updated any time a value is added
+#define NSTAT_SYSINFO_ENUM_VERSION 20160715
+};
+
#pragma mark -- Network Statistics Providers --
+
+// Interface properties
+
+#define NSTAT_IFNET_IS_UNKNOWN_TYPE 0x01
+#define NSTAT_IFNET_IS_LOOPBACK 0x02
+#define NSTAT_IFNET_IS_CELLULAR 0x04
+#define NSTAT_IFNET_IS_WIFI 0x08
+#define NSTAT_IFNET_IS_WIRED 0x10
+#define NSTAT_IFNET_IS_AWDL 0x20
+#define NSTAT_IFNET_IS_EXPENSIVE 0x40
+#define NSTAT_IFNET_IS_VPN 0x80
+#define NSTAT_IFNET_VIA_CELLFALLBACK 0x100
+
+
enum
{
- NSTAT_PROVIDER_ROUTE = 1
- ,NSTAT_PROVIDER_TCP = 2
- ,NSTAT_PROVIDER_UDP = 3
+ NSTAT_PROVIDER_NONE = 0
+ ,NSTAT_PROVIDER_ROUTE = 1
+ ,NSTAT_PROVIDER_TCP_KERNEL = 2
+ ,NSTAT_PROVIDER_TCP_USERLAND = 3
+ ,NSTAT_PROVIDER_UDP_KERNEL = 4
+ ,NSTAT_PROVIDER_UDP_USERLAND = 5
+ ,NSTAT_PROVIDER_IFNET = 6
+ ,NSTAT_PROVIDER_SYSINFO = 7
};
+#define NSTAT_PROVIDER_LAST NSTAT_PROVIDER_SYSINFO
+#define NSTAT_PROVIDER_COUNT (NSTAT_PROVIDER_LAST+1)
typedef struct nstat_route_add_param
{
struct sockaddr_in v4;
struct sockaddr_in6 v6;
} local;
-
+
union
{
struct sockaddr_in v4;
struct sockaddr_in6 v6;
} remote;
-
+
u_int32_t ifindex;
-
+
u_int32_t state;
-
+
u_int32_t sndbufsize;
u_int32_t sndbufused;
u_int32_t rcvbufsize;
u_int32_t txwindow;
u_int32_t txcwindow;
u_int32_t traffic_class;
-
+ u_int32_t traffic_mgt_flags;
+ char cc_algo[16];
+
u_int64_t upid;
u_int32_t pid;
char pname[64];
+ u_int64_t eupid;
+ u_int32_t epid;
+
+ uuid_t uuid;
+ uuid_t euuid;
+ uuid_t vuuid;
+ struct tcp_conn_status connstatus;
+ uint16_t ifnet_properties __attribute__((aligned(4)));
} nstat_tcp_descriptor;
typedef struct nstat_tcp_add_param nstat_udp_add_param;
struct sockaddr_in v4;
struct sockaddr_in6 v6;
} local;
-
+
union
{
struct sockaddr_in v4;
struct sockaddr_in6 v6;
} remote;
-
+
u_int32_t ifindex;
-
+
u_int32_t rcvbufsize;
u_int32_t rcvbufused;
u_int32_t traffic_class;
-
+
u_int64_t upid;
u_int32_t pid;
char pname[64];
+ u_int64_t eupid;
+ u_int32_t epid;
+
+ uuid_t uuid;
+ uuid_t euuid;
+ uuid_t vuuid;
+ uint16_t ifnet_properties;
} nstat_udp_descriptor;
typedef struct nstat_route_descriptor
u_int64_t id;
u_int64_t parent_id;
u_int64_t gateway_id;
-
+
union
{
struct sockaddr_in v4;
struct sockaddr_in6 v6;
struct sockaddr sa;
} dst;
-
+
union
{
struct sockaddr_in v4;
struct sockaddr_in6 v6;
struct sockaddr sa;
} mask;
-
+
union
{
struct sockaddr_in v4;
struct sockaddr_in6 v6;
struct sockaddr sa;
} gateway;
-
+
u_int32_t ifindex;
u_int32_t flags;
-
+
} nstat_route_descriptor;
+typedef struct nstat_ifnet_add_param
+{
+ u_int32_t ifindex;
+ u_int64_t threshold;
+} nstat_ifnet_add_param;
+
+typedef struct nstat_ifnet_desc_cellular_status
+{
+ u_int32_t valid_bitmask; /* indicates which fields are valid */
+#define NSTAT_IFNET_DESC_CELL_LINK_QUALITY_METRIC_VALID 0x1
+#define NSTAT_IFNET_DESC_CELL_UL_EFFECTIVE_BANDWIDTH_VALID 0x2
+#define NSTAT_IFNET_DESC_CELL_UL_MAX_BANDWIDTH_VALID 0x4
+#define NSTAT_IFNET_DESC_CELL_UL_MIN_LATENCY_VALID 0x8
+#define NSTAT_IFNET_DESC_CELL_UL_EFFECTIVE_LATENCY_VALID 0x10
+#define NSTAT_IFNET_DESC_CELL_UL_MAX_LATENCY_VALID 0x20
+#define NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_VALID 0x40
+#define NSTAT_IFNET_DESC_CELL_UL_BYTES_LOST_VALID 0x80
+#define NSTAT_IFNET_DESC_CELL_UL_MIN_QUEUE_SIZE_VALID 0x100
+#define NSTAT_IFNET_DESC_CELL_UL_AVG_QUEUE_SIZE_VALID 0x200
+#define NSTAT_IFNET_DESC_CELL_UL_MAX_QUEUE_SIZE_VALID 0x400
+#define NSTAT_IFNET_DESC_CELL_DL_EFFECTIVE_BANDWIDTH_VALID 0x800
+#define NSTAT_IFNET_DESC_CELL_DL_MAX_BANDWIDTH_VALID 0x1000
+#define NSTAT_IFNET_DESC_CELL_CONFIG_INACTIVITY_TIME_VALID 0x2000
+#define NSTAT_IFNET_DESC_CELL_CONFIG_BACKOFF_TIME_VALID 0x4000
+#define NSTAT_IFNET_DESC_CELL_MSS_RECOMMENDED_VALID 0x8000
+ u_int32_t link_quality_metric;
+ u_int32_t ul_effective_bandwidth; /* Measured uplink bandwidth based on
+ current activity (bps) */
+ u_int32_t ul_max_bandwidth; /* Maximum supported uplink bandwidth
+ (bps) */
+ u_int32_t ul_min_latency; /* min expected uplink latency for first hop
+ (ms) */
+ u_int32_t ul_effective_latency; /* current expected uplink latency for
+ first hop (ms) */
+ u_int32_t ul_max_latency; /* max expected uplink latency first hop
+ (ms) */
+ u_int32_t ul_retxt_level; /* Retransmission metric */
+#define NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_NONE 1
+#define NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_LOW 2
+#define NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_MEDIUM 3
+#define NSTAT_IFNET_DESC_CELL_UL_RETXT_LEVEL_HIGH 4
+
+ u_int32_t ul_bytes_lost; /* % of total bytes lost on uplink in Q10
+ format */
+ u_int32_t ul_min_queue_size; /* minimum bytes in queue */
+ u_int32_t ul_avg_queue_size; /* average bytes in queue */
+ u_int32_t ul_max_queue_size; /* maximum bytes in queue */
+ u_int32_t dl_effective_bandwidth; /* Measured downlink bandwidth based
+ on current activity (bps) */
+ u_int32_t dl_max_bandwidth; /* Maximum supported downlink bandwidth
+ (bps) */
+ u_int32_t config_inactivity_time; /* ms */
+ u_int32_t config_backoff_time; /* new connections backoff time in ms */
+#define NSTAT_IFNET_DESC_MSS_RECOMMENDED_NONE 0x0
+#define NSTAT_IFNET_DESC_MSS_RECOMMENDED_MEDIUM 0x1
+#define NSTAT_IFNET_DESC_MSS_RECOMMENDED_LOW 0x2
+ u_int16_t mss_recommended; /* recommended MSS */
+} nstat_ifnet_desc_cellular_status;
+
+typedef struct nstat_ifnet_desc_wifi_status {
+ u_int32_t valid_bitmask;
+#define NSTAT_IFNET_DESC_WIFI_LINK_QUALITY_METRIC_VALID 0x1
+#define NSTAT_IFNET_DESC_WIFI_UL_EFFECTIVE_BANDWIDTH_VALID 0x2
+#define NSTAT_IFNET_DESC_WIFI_UL_MAX_BANDWIDTH_VALID 0x4
+#define NSTAT_IFNET_DESC_WIFI_UL_MIN_LATENCY_VALID 0x8
+#define NSTAT_IFNET_DESC_WIFI_UL_EFFECTIVE_LATENCY_VALID 0x10
+#define NSTAT_IFNET_DESC_WIFI_UL_MAX_LATENCY_VALID 0x20
+#define NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_VALID 0x40
+#define NSTAT_IFNET_DESC_WIFI_UL_ERROR_RATE_VALID 0x80
+#define NSTAT_IFNET_DESC_WIFI_UL_BYTES_LOST_VALID 0x100
+#define NSTAT_IFNET_DESC_WIFI_DL_EFFECTIVE_BANDWIDTH_VALID 0x200
+#define NSTAT_IFNET_DESC_WIFI_DL_MAX_BANDWIDTH_VALID 0x400
+#define NSTAT_IFNET_DESC_WIFI_DL_MIN_LATENCY_VALID 0x800
+#define NSTAT_IFNET_DESC_WIFI_DL_EFFECTIVE_LATENCY_VALID 0x1000
+#define NSTAT_IFNET_DESC_WIFI_DL_MAX_LATENCY_VALID 0x2000
+#define NSTAT_IFNET_DESC_WIFI_DL_ERROR_RATE_VALID 0x4000
+#define NSTAT_IFNET_DESC_WIFI_CONFIG_FREQUENCY_VALID 0x8000
+#define NSTAT_IFNET_DESC_WIFI_CONFIG_MULTICAST_RATE_VALID 0x10000
+#define NSTAT_IFNET_DESC_WIFI_CONFIG_SCAN_COUNT_VALID 0x20000
+#define NSTAT_IFNET_DESC_WIFI_CONFIG_SCAN_DURATION_VALID 0x40000
+ u_int32_t link_quality_metric; /* link quality metric */
+ u_int32_t ul_effective_bandwidth; /* Measured uplink bandwidth based on
+ current activity (bps) */
+ u_int32_t ul_max_bandwidth; /* Maximum supported uplink bandwidth
+ (bps) */
+ u_int32_t ul_min_latency; /* min expected uplink latency for first hop
+ (ms) */
+ u_int32_t ul_effective_latency; /* current expected uplink latency for
+ first hop (ms) */
+ u_int32_t ul_max_latency; /* max expected uplink latency for first hop
+ (ms) */
+ u_int32_t ul_retxt_level; /* Retransmission metric */
+#define NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_NONE 1
+#define NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_LOW 2
+#define NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_MEDIUM 3
+#define NSTAT_IFNET_DESC_WIFI_UL_RETXT_LEVEL_HIGH 4
+
+ u_int32_t ul_bytes_lost; /* % of total bytes lost on uplink in Q10
+ format */
+ u_int32_t ul_error_rate; /* % of bytes dropped on uplink after many
+ retransmissions in Q10 format */
+ u_int32_t dl_effective_bandwidth; /* Measured downlink bandwidth based
+ on current activity (bps) */
+ u_int32_t dl_max_bandwidth; /* Maximum supported downlink bandwidth
+ (bps) */
+ /*
+ * The download latency values indicate the time AP may have to wait
+ * for the driver to receive the packet. These values give the range
+ * of expected latency mainly due to co-existence events and channel
+ * hopping where the interface becomes unavailable.
+ */
+ u_int32_t dl_min_latency; /* min expected latency for first hop in ms */
+ u_int32_t dl_effective_latency; /* current expected latency for first
+ hop in ms */
+ u_int32_t dl_max_latency; /* max expected latency for first hop in ms */
+ u_int32_t dl_error_rate; /* % of CRC or other errors in Q10 format */
+ u_int32_t config_frequency; /* 2.4 or 5 GHz */
+#define NSTAT_IFNET_DESC_WIFI_CONFIG_FREQUENCY_2_4_GHZ 1
+#define NSTAT_IFNET_DESC_WIFI_CONFIG_FREQUENCY_5_0_GHZ 2
+ u_int32_t config_multicast_rate; /* bps */
+ u_int32_t scan_count; /* scan count during the previous period */
+ u_int32_t scan_duration; /* scan duration in ms */
+} nstat_ifnet_desc_wifi_status;
+
+enum
+{
+ NSTAT_IFNET_DESC_LINK_STATUS_TYPE_NONE = 0
+ ,NSTAT_IFNET_DESC_LINK_STATUS_TYPE_CELLULAR = 1
+ ,NSTAT_IFNET_DESC_LINK_STATUS_TYPE_WIFI = 2
+};
+
+typedef struct nstat_ifnet_desc_link_status
+{
+ u_int32_t link_status_type;
+ union {
+ nstat_ifnet_desc_cellular_status cellular;
+ nstat_ifnet_desc_wifi_status wifi;
+ } u;
+} nstat_ifnet_desc_link_status;
+
+#ifndef IF_DESCSIZE
+#define IF_DESCSIZE 128
+#endif
+typedef struct nstat_ifnet_descriptor
+{
+ char name[IFNAMSIZ+1];
+ u_int32_t ifindex;
+ u_int64_t threshold;
+ unsigned int type;
+ char description[IF_DESCSIZE];
+ nstat_ifnet_desc_link_status link_status;
+} nstat_ifnet_descriptor;
+
+typedef struct nstat_sysinfo_descriptor
+{
+ u_int32_t flags;
+} nstat_sysinfo_descriptor;
+
+typedef struct nstat_sysinfo_add_param
+{
+ /* To indicate which system level information should be collected */
+ u_int32_t flags;
+} nstat_sysinfo_add_param;
+
+#define NSTAT_SYSINFO_MBUF_STATS 0x0001
+#define NSTAT_SYSINFO_TCP_STATS 0x0002
+#define NSTAT_SYSINFO_IFNET_ECN_STATS 0x0003
+
#pragma mark -- Network Statistics User Client --
#define NET_STAT_CONTROL_NAME "com.apple.network.statistics"
// generic response messages
NSTAT_MSG_TYPE_SUCCESS = 0
,NSTAT_MSG_TYPE_ERROR = 1
-
+
// Requests
- ,NSTAT_MSG_TYPE_ADD_SRC = 1001
- ,NSTAT_MSG_TYPE_ADD_ALL_SRCS = 1002
- ,NSTAT_MSG_TYPE_REM_SRC = 1003
- ,NSTAT_MSG_TYPE_QUERY_SRC = 1004
- ,NSTAT_MSG_TYPE_GET_SRC_DESC = 1005
-
+ ,NSTAT_MSG_TYPE_ADD_SRC = 1001
+ ,NSTAT_MSG_TYPE_ADD_ALL_SRCS = 1002
+ ,NSTAT_MSG_TYPE_REM_SRC = 1003
+ ,NSTAT_MSG_TYPE_QUERY_SRC = 1004
+ ,NSTAT_MSG_TYPE_GET_SRC_DESC = 1005
+ ,NSTAT_MSG_TYPE_SET_FILTER = 1006
+ ,NSTAT_MSG_TYPE_GET_UPDATE = 1007
+ ,NSTAT_MSG_TYPE_SUBSCRIBE_SYSINFO = 1008
+
// Responses/Notfications
- ,NSTAT_MSG_TYPE_SRC_ADDED = 10001
- ,NSTAT_MSG_TYPE_SRC_REMOVED = 10002
- ,NSTAT_MSG_TYPE_SRC_DESC = 10003
- ,NSTAT_MSG_TYPE_SRC_COUNTS = 10004
+ ,NSTAT_MSG_TYPE_SRC_ADDED = 10001
+ ,NSTAT_MSG_TYPE_SRC_REMOVED = 10002
+ ,NSTAT_MSG_TYPE_SRC_DESC = 10003
+ ,NSTAT_MSG_TYPE_SRC_COUNTS = 10004
+ ,NSTAT_MSG_TYPE_SYSINFO_COUNTS = 10005
+ ,NSTAT_MSG_TYPE_SRC_UPDATE = 10006
};
enum
{
- NSTAT_SRC_REF_ALL = 0xffffffff
+ NSTAT_SRC_REF_ALL = 0xffffffffffffffffULL
,NSTAT_SRC_REF_INVALID = 0
};
+/* Source-level filters */
+enum
+{
+ NSTAT_FILTER_NOZEROBYTES = 0x00000001
+};
+
+/* Provider-level filters */
+enum
+{
+ NSTAT_FILTER_ACCEPT_UNKNOWN = 0x00000001
+ ,NSTAT_FILTER_ACCEPT_LOOPBACK = 0x00000002
+ ,NSTAT_FILTER_ACCEPT_CELLULAR = 0x00000004
+ ,NSTAT_FILTER_ACCEPT_WIFI = 0x00000008
+ ,NSTAT_FILTER_ACCEPT_WIRED = 0x00000010
+ ,NSTAT_FILTER_ACCEPT_AWDL = 0x00000020
+ ,NSTAT_FILTER_ACCEPT_EXPENSIVE = 0x00000040
+ ,NSTAT_FILTER_ACCEPT_CELLFALLBACK = 0x00000100
+ ,NSTAT_FILTER_IFNET_FLAGS = 0x00000FFF
+
+ ,NSTAT_FILTER_TCP_NO_LISTENER = 0x00001000
+ ,NSTAT_FILTER_TCP_ONLY_LISTENER = 0x00002000
+ ,NSTAT_FILTER_TCP_INTERFACE_ATTACH = 0x00004000
+ ,NSTAT_FILTER_TCP_FLAGS = 0x0000F000
+
+ ,NSTAT_FILTER_UDP_INTERFACE_ATTACH = 0x00010000
+ ,NSTAT_FILTER_UDP_FLAGS = 0x000F0000
+
+ ,NSTAT_FILTER_SUPPRESS_SRC_ADDED = 0x00100000
+ ,NSTAT_FILTER_REQUIRE_SRC_ADDED = 0x00200000
+ ,NSTAT_FILTER_PROVIDER_NOZEROBYTES = 0x00400000
+
+ ,NSTAT_FILTER_SPECIFIC_USER_BY_PID = 0x01000000
+ ,NSTAT_FILTER_SPECIFIC_USER_BY_EPID = 0x02000000
+ ,NSTAT_FILTER_SPECIFIC_USER_BY_UUID = 0x04000000
+ ,NSTAT_FILTER_SPECIFIC_USER_BY_EUUID = 0x08000000
+ ,NSTAT_FILTER_SPECIFIC_USER = 0x0F000000
+};
+
+enum
+{
+ NSTAT_MSG_HDR_FLAG_SUPPORTS_AGGREGATE = 1 << 0,
+ NSTAT_MSG_HDR_FLAG_CONTINUATION = 1 << 1,
+ NSTAT_MSG_HDR_FLAG_CLOSING = 1 << 2,
+};
+
typedef struct nstat_msg_hdr
{
u_int64_t context;
u_int32_t type;
- u_int32_t pad; // unused for now
+ u_int16_t length;
+ u_int16_t flags;
} nstat_msg_hdr;
typedef struct nstat_msg_error
{
nstat_msg_hdr hdr;
nstat_provider_id_t provider;
+ u_int64_t filter;
+ nstat_event_flags_t events;
+ pid_t target_pid;
+ uuid_t target_uuid;
} nstat_msg_add_all_srcs;
typedef struct nstat_msg_src_added
nstat_src_ref_t srcref;
} nstat_msg_get_src_description;
+typedef struct nstat_msg_set_filter
+{
+ nstat_msg_hdr hdr;
+ nstat_src_ref_t srcref;
+ u_int32_t filter;
+} nstat_msg_set_filter;
+
typedef struct nstat_msg_src_description
{
nstat_msg_hdr hdr;
nstat_src_ref_t srcref;
+ nstat_event_flags_t event_flags;
nstat_provider_id_t provider;
u_int8_t data[];
} nstat_msg_src_description;
{
nstat_msg_hdr hdr;
nstat_src_ref_t srcref;
+ nstat_event_flags_t event_flags;
nstat_counts counts;
} nstat_msg_src_counts;
+typedef struct nstat_msg_src_update
+{
+ nstat_msg_hdr hdr;
+ nstat_src_ref_t srcref;
+ nstat_event_flags_t event_flags;
+ nstat_counts counts;
+ nstat_provider_id_t provider;
+ u_int8_t data[];
+} nstat_msg_src_update;
+
typedef struct nstat_msg_src_removed
{
nstat_msg_hdr hdr;
nstat_src_ref_t srcref;
} nstat_msg_src_removed;
+typedef struct nstat_msg_sysinfo_counts
+{
+ nstat_msg_hdr hdr;
+ nstat_src_ref_t srcref;
+ nstat_sysinfo_counts counts;
+} __attribute__((packed)) nstat_msg_sysinfo_counts;
+
#pragma pack(pop)
+#pragma mark -- Statitiscs about Network Statistics --
+
+struct nstat_stats {
+ u_int32_t nstat_successmsgfailures;
+ u_int32_t nstat_sendcountfailures;
+ u_int32_t nstat_sysinfofailures;
+ u_int32_t nstat_srcupatefailures;
+ u_int32_t nstat_descriptionfailures;
+ u_int32_t nstat_msgremovedfailures;
+ u_int32_t nstat_srcaddedfailures;
+ u_int32_t nstat_msgerrorfailures;
+ u_int32_t nstat_copy_descriptor_failures;
+ u_int32_t nstat_provider_counts_failures;
+ u_int32_t nstat_control_send_description_failures;
+ u_int32_t nstat_control_send_goodbye_failures;
+ u_int32_t nstat_flush_accumulated_msgs_failures;
+ u_int32_t nstat_accumulate_msg_failures;
+ u_int32_t nstat_control_cleanup_source_failures;
+ u_int32_t nstat_handle_msg_failures;
+};
+
#endif /* PRIVATE */
#ifdef XNU_KERNEL_PRIVATE
#include <sys/mcache.h>
+#pragma mark -- System Information Internal Support --
+
+typedef struct nstat_sysinfo_mbuf_stats
+{
+ u_int32_t total_256b; /* Peak usage, 256B pool */
+ u_int32_t total_2kb; /* Peak usage, 2KB pool */
+ u_int32_t total_4kb; /* Peak usage, 4KB pool */
+ u_int32_t total_16kb; /* Peak usage, 16KB pool */
+ u_int32_t sbmb_total; /* Total mbufs in sock buffer pool */
+ u_int32_t sb_atmbuflimit; /* Memory limit reached for socket buffer autoscaling */
+ u_int32_t draincnt; /* Number of times mbuf pool has been drained under memory pressure */
+ u_int32_t memreleased; /* Memory (bytes) released from mbuf pool to VM */
+ u_int32_t sbmb_floor; /* Lowest mbufs in sock buffer pool */
+} nstat_sysinfo_mbuf_stats;
+
+typedef struct nstat_sysinfo_tcp_stats
+{
+ u_int32_t ipv4_avgrtt; /* Average RTT for IPv4 */
+ u_int32_t ipv6_avgrtt; /* Average RTT for IPv6 */
+ u_int32_t send_plr; /* Average uplink packet loss rate */
+ u_int32_t recv_plr; /* Average downlink packet loss rate */
+ u_int32_t send_tlrto_rate; /* Average rxt timeout after tail loss */
+ u_int32_t send_reorder_rate; /* Average packet reordering rate */
+ u_int32_t connection_attempts; /* TCP client connection attempts */
+ u_int32_t connection_accepts; /* TCP server connection accepts */
+ u_int32_t ecn_client_enabled; /* Global setting for ECN client side */
+ u_int32_t ecn_server_enabled; /* Global setting for ECN server side */
+ u_int32_t ecn_client_setup; /* Attempts to setup TCP client connection with ECN */
+ u_int32_t ecn_server_setup; /* Attempts to setup TCP server connection with ECN */
+ u_int32_t ecn_client_success; /* Number of successful negotiations of ECN for a client connection */
+ u_int32_t ecn_server_success; /* Number of successful negotiations of ECN for a server connection */
+ u_int32_t ecn_not_supported; /* Number of falbacks to Non-ECN, no support from peer */
+ u_int32_t ecn_lost_syn; /* Number of SYNs lost with ECN bits */
+ u_int32_t ecn_lost_synack; /* Number of SYN-ACKs lost with ECN bits */
+ u_int32_t ecn_recv_ce; /* Number of CEs received from network */
+ u_int32_t ecn_recv_ece; /* Number of ECEs received from receiver */
+ u_int32_t ecn_sent_ece; /* Number of ECEs sent in response to CE */
+ u_int32_t ecn_conn_recv_ce; /* Number of connections using ECN received CE at least once */
+ u_int32_t ecn_conn_recv_ece; /* Number of connections using ECN received ECE at least once */
+ u_int32_t ecn_conn_plnoce; /* Number of connections using ECN seen packet loss but never received CE */
+ u_int32_t ecn_conn_pl_ce; /* Number of connections using ECN seen packet loss and CE */
+ u_int32_t ecn_conn_nopl_ce; /* Number of connections using ECN with no packet loss but received CE */
+ u_int32_t ecn_fallback_synloss; /* Number of times we did fall back due to SYN-Loss */
+ u_int32_t ecn_fallback_reorder; /* Number of times we fallback because we detected the PAWS-issue */
+ u_int32_t ecn_fallback_ce; /* Number of times we fallback because we received too many CEs */
+ u_int32_t tfo_syn_data_rcv; /* Number of SYN+data received with valid cookie */
+ u_int32_t tfo_cookie_req_rcv;/* Number of TFO cookie-requests received */
+ u_int32_t tfo_cookie_sent; /* Number of TFO-cookies offered to the client */
+ u_int32_t tfo_cookie_invalid;/* Number of invalid TFO-cookies received */
+ u_int32_t tfo_cookie_req; /* Number of SYNs with cookie request received*/
+ u_int32_t tfo_cookie_rcv; /* Number of SYN/ACKs with Cookie received */
+ u_int32_t tfo_syn_data_sent; /* Number of SYNs+data+cookie sent */
+ u_int32_t tfo_syn_data_acked;/* Number of times our SYN+data has been acknowledged */
+ u_int32_t tfo_syn_loss; /* Number of times SYN+TFO has been lost and we fallback */
+ u_int32_t tfo_blackhole; /* Number of times SYN+TFO has been lost and we fallback */
+ u_int32_t tfo_cookie_wrong; /* TFO-cookie we sent was wrong */
+ u_int32_t tfo_no_cookie_rcv; /* We asked for a cookie but didn't get one */
+ u_int32_t tfo_heuristics_disable; /* TFO got disabled due to heuristics */
+ u_int32_t tfo_sndblackhole; /* TFO got blackholed in the sending direction */
+} nstat_sysinfo_tcp_stats;
+
+enum {
+ NSTAT_IFNET_ECN_PROTO_IPV4 = 1
+ ,NSTAT_IFNET_ECN_PROTO_IPV6
+};
+
+enum {
+ NSTAT_IFNET_ECN_TYPE_CELLULAR = 1
+ ,NSTAT_IFNET_ECN_TYPE_WIFI
+ ,NSTAT_IFNET_ECN_TYPE_ETHERNET
+};
+
+typedef struct nstat_sysinfo_ifnet_ecn_stats {
+ u_int32_t ifnet_proto;
+ u_int32_t ifnet_type;
+ struct if_tcp_ecn_stat ecn_stat;
+} nstat_sysinfo_ifnet_ecn_stats;
+
+typedef struct nstat_sysinfo_data
+{
+ u_int32_t flags;
+ union {
+ nstat_sysinfo_mbuf_stats mb_stats;
+ nstat_sysinfo_tcp_stats tcp_stats;
+ nstat_sysinfo_ifnet_ecn_stats ifnet_ecn_stats;
+ } u;
+ uint32_t unsent_data_cnt; /* Before sleeping */
+} nstat_sysinfo_data;
+
#pragma mark -- Generic Network Statistics Provider --
typedef void * nstat_provider_cookie_t;
void nstat_udp_new_pcb(struct inpcb *inp);
void nstat_route_new_entry(struct rtentry *rt);
void nstat_pcb_detach(struct inpcb *inp);
+void nstat_pcb_cache(struct inpcb *inp);
+void nstat_pcb_invalidate_cache(struct inpcb *inp);
+
+
+void nstat_ifnet_threshold_reached(unsigned int ifindex);
+
+void nstat_sysinfo_send_data(struct nstat_sysinfo_data *);
+
+// Userland stats reporting
+
+// Each side, NetworkStatistics and the kernel provider for userland,
+// pass opaque references.
+typedef void *userland_stats_provider_context;
+typedef void *nstat_userland_context;
+
+// When things have been set up, Netstats can request a refresh of its data.
+typedef bool (userland_stats_request_vals_fn)(userland_stats_provider_context *ctx,
+ nstat_counts *countsp,
+ void *metadatap);
+
+// Things get started with a call to netstats to say that there’s a new connection:
+nstat_userland_context ntstat_userland_stats_open(userland_stats_provider_context *ctx,
+ int provider_id,
+ u_int64_t properties,
+ userland_stats_request_vals_fn req_fn);
+
+void ntstat_userland_stats_close(nstat_userland_context nstat_ctx);
+
+
+// There may be other occasions where the stats have changed and NECP should push the new values.
+// This is provisional, ahead of full implementation.
+
+typedef enum {
+ USERLAND_STATS_WILL_UPDATE,
+ USERLAND_STATS_DID_UPDATE
+} userland_stats_event_t;
+
+void ntstat_userland_stats_event(nstat_userland_context nstat_ctx, userland_stats_event_t event);
+
// locked_add_64 uses atomic operations on 32bit so the 64bit
// value can be properly read. The values are only ever incremented