+
+ u_int32_t ifi_poll_packets_limit; /* max packets per poll call */
+ u_int64_t ifi_poll_interval_time; /* poll interval (nsec) */
+};
+
+struct if_tcp_ecn_perf_stat {
+ u_int64_t rtt_avg;
+ u_int64_t rtt_var;
+ u_int64_t oo_percent;
+ u_int64_t sack_episodes;
+ u_int64_t reorder_percent;
+ u_int64_t rxmit_percent;
+ u_int64_t rxmit_drop;
+};
+
+struct if_tcp_ecn_stat {
+ u_int64_t timestamp;
+ u_int64_t ecn_client_setup;
+ u_int64_t ecn_server_setup;
+ u_int64_t ecn_client_success;
+ u_int64_t ecn_server_success;
+ u_int64_t ecn_peer_nosupport;
+ u_int64_t ecn_syn_lost;
+ u_int64_t ecn_synack_lost;
+ u_int64_t ecn_recv_ce;
+ u_int64_t ecn_recv_ece;
+ u_int64_t ecn_conn_recv_ce;
+ u_int64_t ecn_conn_recv_ece;
+ u_int64_t ecn_conn_plnoce;
+ u_int64_t ecn_conn_plce;
+ u_int64_t ecn_conn_noplce;
+ u_int64_t ecn_fallback_synloss;
+ u_int64_t ecn_fallback_reorder;
+ u_int64_t ecn_fallback_ce;
+ struct if_tcp_ecn_perf_stat ecn_on;
+ struct if_tcp_ecn_perf_stat ecn_off;
+};
+
+/*
+ * Interface link status report -- includes statistics related to
+ * the link layer technology sent by the driver. The driver will monitor
+ * these statistics over an interval (3-4 secs) and will generate a report
+ * to the network stack. This will give first-hand information about the
+ * status of the first hop of the network path. The version and
+ * length values should be correct for the data to be processed correctly.
+ * The definitions are different for different kind of interfaces like
+ * Wifi, Cellular etc,.
+ */
+#define IF_CELLULAR_STATUS_REPORT_VERSION_1 1
+#define IF_WIFI_STATUS_REPORT_VERSION_1 1
+#define IF_CELLULAR_STATUS_REPORT_CURRENT_VERSION \
+ IF_CELLULAR_STATUS_REPORT_VERSION_1
+#define IF_WIFI_STATUS_REPORT_CURRENT_VERSION IF_WIFI_STATUS_REPORT_VERSION_1
+/*
+ * For cellular interface --
+ * There is no way to share common headers between the Baseband and
+ * the kernel. Any changes to this structure will need to be communicated
+ * to the Baseband team. It is better to use reserved space instead of
+ * changing the size or existing fields in the structure.
+ */
+struct if_cellular_status_v1 {
+ u_int32_t valid_bitmask; /* indicates which fields are valid */
+#define IF_CELL_LINK_QUALITY_METRIC_VALID 0x1
+#define IF_CELL_UL_EFFECTIVE_BANDWIDTH_VALID 0x2
+#define IF_CELL_UL_MAX_BANDWIDTH_VALID 0x4
+#define IF_CELL_UL_MIN_LATENCY_VALID 0x8
+#define IF_CELL_UL_EFFECTIVE_LATENCY_VALID 0x10
+#define IF_CELL_UL_MAX_LATENCY_VALID 0x20
+#define IF_CELL_UL_RETXT_LEVEL_VALID 0x40
+#define IF_CELL_UL_BYTES_LOST_VALID 0x80
+#define IF_CELL_UL_MIN_QUEUE_SIZE_VALID 0x100
+#define IF_CELL_UL_AVG_QUEUE_SIZE_VALID 0x200
+#define IF_CELL_UL_MAX_QUEUE_SIZE_VALID 0x400
+#define IF_CELL_DL_EFFECTIVE_BANDWIDTH_VALID 0x800
+#define IF_CELL_DL_MAX_BANDWIDTH_VALID 0x1000
+#define IF_CELL_CONFIG_INACTIVITY_TIME_VALID 0x2000
+#define IF_CELL_CONFIG_BACKOFF_TIME_VALID 0x4000
+ 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 IF_CELL_UL_RETXT_LEVEL_NONE 1
+#define IF_CELL_UL_RETXT_LEVEL_LOW 2
+#define IF_CELL_UL_RETXT_LEVEL_MEDIUM 3
+#define IF_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 */
+ u_int64_t reserved_1;
+ u_int64_t reserved_2;
+ u_int64_t reserved_3;
+ u_int64_t reserved_4;
+ u_int64_t reserved_5;
+} __attribute__((packed));
+
+struct if_cellular_status {
+ union {
+ struct if_cellular_status_v1 if_status_v1;
+ } if_cell_u;
+};
+
+/*
+ * These statistics will be provided by the Wifi driver periodically.
+ * After sending each report, the driver should start computing again
+ * for the next report duration so that the values represent the link
+ * status for one report duration.
+ */
+
+struct if_wifi_status_v1 {
+ u_int32_t valid_bitmask;
+#define IF_WIFI_LINK_QUALITY_METRIC_VALID 0x1
+#define IF_WIFI_UL_EFFECTIVE_BANDWIDTH_VALID 0x2
+#define IF_WIFI_UL_MAX_BANDWIDTH_VALID 0x4
+#define IF_WIFI_UL_MIN_LATENCY_VALID 0x8
+#define IF_WIFI_UL_EFFECTIVE_LATENCY_VALID 0x10
+#define IF_WIFI_UL_MAX_LATENCY_VALID 0x20
+#define IF_WIFI_UL_RETXT_LEVEL_VALID 0x40
+#define IF_WIFI_UL_ERROR_RATE_VALID 0x80
+#define IF_WIFI_UL_BYTES_LOST_VALID 0x100
+#define IF_WIFI_DL_EFFECTIVE_BANDWIDTH_VALID 0x200
+#define IF_WIFI_DL_MAX_BANDWIDTH_VALID 0x400
+#define IF_WIFI_DL_MIN_LATENCY_VALID 0x800
+#define IF_WIFI_DL_EFFECTIVE_LATENCY_VALID 0x1000
+#define IF_WIFI_DL_MAX_LATENCY_VALID 0x2000
+#define IF_WIFI_DL_ERROR_RATE_VALID 0x4000
+#define IF_WIFI_CONFIG_FREQUENCY_VALID 0x8000
+#define IF_WIFI_CONFIG_MULTICAST_RATE_VALID 0x10000
+#define IF_WIFI_CONFIG_SCAN_COUNT_VALID 0x20000
+#define IF_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 IF_WIFI_UL_RETXT_LEVEL_NONE 1
+#define IF_WIFI_UL_RETXT_LEVEL_LOW 2
+#define IF_WIFI_UL_RETXT_LEVEL_MEDIUM 3
+#define IF_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 IF_WIFI_CONFIG_FREQUENCY_2_4_GHZ 1
+#define IF_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 */
+ u_int64_t reserved_1;
+ u_int64_t reserved_2;
+ u_int64_t reserved_3;
+ u_int64_t reserved_4;
+} __attribute__((packed));
+
+struct if_wifi_status {
+ union {
+ struct if_wifi_status_v1 if_status_v1;
+ } if_wifi_u;
+};
+
+struct if_link_status {
+ u_int32_t ifsr_version; /* version of this report */
+ u_int32_t ifsr_len; /* length of the following struct */
+ union {
+ struct if_cellular_status ifsr_cell;
+ struct if_wifi_status ifsr_wifi;
+ } ifsr_u;
projects / apple / xnu.git / blobdiff