#include "wifi_hal.h" | |
#ifndef __WIFI_HAL_STATS_H | |
#define __WIFI_HAL_STATS_H | |
#ifdef __cplusplus | |
extern "C" | |
{ | |
#endif /* __cplusplus */ | |
#define STATS_MAJOR_VERSION 1 | |
#define STATS_MINOR_VERSION 0 | |
#define STATS_MICRO_VERSION 0 | |
typedef enum { | |
WIFI_DISCONNECTED = 0, | |
WIFI_AUTHENTICATING = 1, | |
WIFI_ASSOCIATING = 2, | |
WIFI_ASSOCIATED = 3, | |
WIFI_EAPOL_STARTED = 4, // if done by firmware/driver | |
WIFI_EAPOL_COMPLETED = 5, // if done by firmware/driver | |
} wifi_connection_state; | |
typedef enum { | |
WIFI_ROAMING_IDLE = 0, | |
WIFI_ROAMING_ACTIVE = 1, | |
} wifi_roam_state; | |
typedef enum { | |
WIFI_INTERFACE_STA = 0, | |
WIFI_INTERFACE_SOFTAP = 1, | |
WIFI_INTERFACE_IBSS = 2, | |
WIFI_INTERFACE_P2P_CLIENT = 3, | |
WIFI_INTERFACE_P2P_GO = 4, | |
WIFI_INTERFACE_NAN = 5, | |
WIFI_INTERFACE_MESH = 6, | |
WIFI_INTERFACE_TDLS = 7, | |
WIFI_INTERFACE_UNKNOWN = -1 | |
} wifi_interface_mode; | |
#define WIFI_CAPABILITY_QOS 0x00000001 // set for QOS association | |
#define WIFI_CAPABILITY_PROTECTED 0x00000002 // set for protected association (802.11 beacon frame control protected bit set) | |
#define WIFI_CAPABILITY_INTERWORKING 0x00000004 // set if 802.11 Extended Capabilities element interworking bit is set | |
#define WIFI_CAPABILITY_HS20 0x00000008 // set for HS20 association | |
#define WIFI_CAPABILITY_SSID_UTF8 0x00000010 // set is 802.11 Extended Capabilities element UTF-8 SSID bit is set | |
#define WIFI_CAPABILITY_COUNTRY 0x00000020 // set is 802.11 Country Element is present | |
typedef struct { | |
wifi_interface_mode mode; // interface mode | |
u8 mac_addr[6]; // interface mac address (self) | |
wifi_connection_state state; // connection state (valid for STA, CLI only) | |
wifi_roam_state roaming; // roaming state | |
u32 capabilities; // WIFI_CAPABILITY_XXX (self) | |
u8 ssid[33]; // null terminated SSID | |
u8 bssid[6]; // bssid | |
u8 ap_country_str[3]; // country string advertised by AP | |
u8 country_str[3]; // country string for this association | |
u8 time_slicing_duty_cycle_percent;// if this iface is being served using time slicing on a radio with one or more ifaces (i.e MCC), then the duty cycle assigned to this iface in %. | |
// If not using time slicing (i.e SCC or DBS), set to 100. | |
} wifi_interface_link_layer_info; | |
/* channel information */ | |
typedef struct { | |
wifi_channel_width width; // channel width (20, 40, 80, 80+80, 160, 320) | |
wifi_channel center_freq; // primary 20 MHz channel | |
wifi_channel center_freq0; // center frequency (MHz) first segment | |
wifi_channel center_freq1; // center frequency (MHz) second segment | |
} wifi_channel_info; | |
/* wifi rate */ | |
typedef struct { | |
u32 preamble :3; // 0: OFDM, 1:CCK, 2:HT 3:VHT 4:HE 5:EHT 6..7 reserved | |
u32 nss :2; // 0:1x1, 1:2x2, 3:3x3, 4:4x4 | |
u32 bw :3; // 0:20MHz, 1:40Mhz, 2:80Mhz, 3:160Mhz 4:320Mhz | |
u32 rateMcsIdx :8; // OFDM/CCK rate code would be as per ieee std in the units of 0.5mbps | |
// HT/VHT/HE/EHT it would be mcs index | |
u32 reserved :16; // reserved | |
u32 bitrate; // units of 100 Kbps | |
} wifi_rate; | |
/* channel statistics */ | |
typedef struct { | |
wifi_channel_info channel; // channel | |
u32 on_time; // msecs the radio is awake (32 bits number accruing over time) | |
u32 cca_busy_time; // msecs the CCA register is busy (32 bits number accruing over time) | |
} wifi_channel_stat; | |
// Max number of tx power levels. The actual number vary per device and is specified by |num_tx_levels| | |
#define RADIO_STAT_MAX_TX_LEVELS 256 | |
/* radio statistics */ | |
typedef struct { | |
wifi_radio radio; // wifi radio (if multiple radio supported) | |
u32 on_time; // msecs the radio is awake (32 bits number accruing over time) | |
u32 tx_time; // msecs the radio is transmitting (32 bits number accruing over time) | |
u32 num_tx_levels; // number of radio transmit power levels | |
u32 *tx_time_per_levels; // pointer to an array of radio transmit per power levels in | |
// msecs accured over time | |
u32 rx_time; // msecs the radio is in active receive (32 bits number accruing over time) | |
u32 on_time_scan; // msecs the radio is awake due to all scan (32 bits number accruing over time) | |
u32 on_time_nbd; // msecs the radio is awake due to NAN (32 bits number accruing over time) | |
u32 on_time_gscan; // msecs the radio is awake due to G?scan (32 bits number accruing over time) | |
u32 on_time_roam_scan; // msecs the radio is awake due to roam?scan (32 bits number accruing over time) | |
u32 on_time_pno_scan; // msecs the radio is awake due to PNO scan (32 bits number accruing over time) | |
u32 on_time_hs20; // msecs the radio is awake due to HS2.0 scans and GAS exchange (32 bits number accruing over time) | |
u32 num_channels; // number of channels | |
wifi_channel_stat channels[]; // channel statistics | |
} wifi_radio_stat; | |
/** | |
* Packet statistics reporting by firmware is performed on MPDU basi (i.e. counters increase by 1 for each MPDU) | |
* As well, "data packet" in associated comments, shall be interpreted as 802.11 data packet, | |
* that is, 802.11 frame control subtype == 2 and excluding management and control frames. | |
* | |
* As an example, in the case of transmission of an MSDU fragmented in 16 MPDUs which are transmitted | |
* OTA in a 16 units long a-mpdu, for which a block ack is received with 5 bits set: | |
* tx_mpdu : shall increase by 5 | |
* retries : shall increase by 16 | |
* tx_ampdu : shall increase by 1 | |
* data packet counters shall not increase regardless of the number of BAR potentially sent by device for this a-mpdu | |
* data packet counters shall not increase regardless of the number of BA received by device for this a-mpdu | |
* | |
* For each subsequent retransmission of the 11 remaining non ACK'ed mpdus | |
* (regardless of the fact that they are transmitted in a-mpdu or not) | |
* retries : shall increase by 1 | |
* | |
* If no subsequent BA or ACK are received from AP, until packet lifetime expires for those 11 packet that were not ACK'ed | |
* mpdu_lost : shall increase by 11 | |
*/ | |
/* per rate statistics */ | |
typedef struct { | |
wifi_rate rate; // rate information | |
u32 tx_mpdu; // number of successfully transmitted data pkts (ACK rcvd) | |
u32 rx_mpdu; // number of received data pkts | |
u32 mpdu_lost; // number of data packet losses (no ACK) | |
u32 retries; // total number of data pkt retries | |
u32 retries_short; // number of short data pkt retries | |
u32 retries_long; // number of long data pkt retries | |
} wifi_rate_stat; | |
/* access categories */ | |
typedef enum { | |
WIFI_AC_VO = 0, | |
WIFI_AC_VI = 1, | |
WIFI_AC_BE = 2, | |
WIFI_AC_BK = 3, | |
WIFI_AC_MAX = 4, | |
} wifi_traffic_ac; | |
/* wifi peer type */ | |
typedef enum | |
{ | |
WIFI_PEER_STA, | |
WIFI_PEER_AP, | |
WIFI_PEER_P2P_GO, | |
WIFI_PEER_P2P_CLIENT, | |
WIFI_PEER_NAN, | |
WIFI_PEER_TDLS, | |
WIFI_PEER_INVALID, | |
} wifi_peer_type; | |
/* per peer statistics */ | |
typedef struct bssload_info { | |
u16 sta_count; // station count | |
u16 chan_util; // channel utilization | |
u8 PAD[4]; | |
} bssload_info_t; | |
typedef struct { | |
wifi_peer_type type; // peer type (AP, TDLS, GO etc.) | |
u8 peer_mac_address[6]; // mac address | |
u32 capabilities; // peer WIFI_CAPABILITY_XXX | |
bssload_info_t bssload; // STA count and CU | |
u32 num_rate; // number of rates | |
wifi_rate_stat rate_stats[]; // per rate statistics, number of entries = num_rate | |
} wifi_peer_info; | |
/* Per access category statistics */ | |
typedef struct { | |
wifi_traffic_ac ac; // access category (VI, VO, BE, BK) | |
u32 tx_mpdu; // number of successfully transmitted unicast data pkts (ACK rcvd) | |
u32 rx_mpdu; // number of received unicast data packets | |
u32 tx_mcast; // number of succesfully transmitted multicast data packets | |
// STA case: implies ACK received from AP for the unicast packet in which mcast pkt was sent | |
u32 rx_mcast; // number of received multicast data packets | |
u32 rx_ampdu; // number of received unicast a-mpdus; support of this counter is optional | |
u32 tx_ampdu; // number of transmitted unicast a-mpdus; support of this counter is optional | |
u32 mpdu_lost; // number of data pkt losses (no ACK) | |
u32 retries; // total number of data pkt retries | |
u32 retries_short; // number of short data pkt retries | |
u32 retries_long; // number of long data pkt retries | |
u32 contention_time_min; // data pkt min contention time (usecs) | |
u32 contention_time_max; // data pkt max contention time (usecs) | |
u32 contention_time_avg; // data pkt avg contention time (usecs) | |
u32 contention_num_samples; // num of data pkts used for contention statistics | |
} wifi_wmm_ac_stat; | |
/* interface statistics */ | |
typedef struct { | |
wifi_interface_handle iface; // wifi interface | |
wifi_interface_link_layer_info info; // current state of the interface | |
u32 beacon_rx; // access point beacon received count from connected AP | |
u64 average_tsf_offset; // average beacon offset encountered (beacon_TSF - TBTT) | |
// The average_tsf_offset field is used so as to calculate the | |
// typical beacon contention time on the channel as well may be | |
// used to debug beacon synchronization and related power consumption issue | |
u32 leaky_ap_detected; // indicate that this AP typically leaks packets beyond the driver guard time. | |
u32 leaky_ap_avg_num_frames_leaked; // average number of frame leaked by AP after frame with PM bit set was ACK'ed by AP | |
u32 leaky_ap_guard_time; // guard time currently in force (when implementing IEEE power management based on | |
// frame control PM bit), How long driver waits before shutting down the radio and | |
// after receiving an ACK for a data frame with PM bit set) | |
u32 mgmt_rx; // access point mgmt frames received count from connected AP (including Beacon) | |
u32 mgmt_action_rx; // action frames received count | |
u32 mgmt_action_tx; // action frames transmit count | |
wifi_rssi rssi_mgmt; // access Point Beacon and Management frames RSSI (averaged) | |
wifi_rssi rssi_data; // access Point Data Frames RSSI (averaged) from connected AP | |
wifi_rssi rssi_ack; // access Point ACK RSSI (averaged) from connected AP | |
wifi_wmm_ac_stat ac[WIFI_AC_MAX]; // per ac data packet statistics | |
u32 num_peers; // number of peers | |
wifi_peer_info peer_info[]; // per peer statistics | |
} wifi_iface_stat; | |
/* Various states for the link */ | |
typedef enum { | |
// Chip does not support reporting the state of the link. | |
WIFI_LINK_STATE_UNKNOWN = 0, | |
// Link has not been in use since last report. It is placed in power save. All | |
// management, control and data frames for the MLO connection are carried over | |
// other links. In this state the link will not listen to beacons even in DTIM | |
// period and does not perform any GTK/IGTK/BIGTK updates but remains | |
// associated. | |
WIFI_LINK_STATE_NOT_IN_USE = 1, | |
// Link is in use. In presence of traffic, it is set to be power active. When | |
// the traffic stops, the link will go into power save mode and will listen | |
// for beacons every DTIM period. | |
WIFI_LINK_STATE_IN_USE = 2, | |
} wifi_link_state; | |
/* Per link statistics */ | |
typedef struct { | |
u8 link_id; // Identifier for the link. | |
wifi_link_state state; // State for the link. | |
wifi_radio radio; // Radio on which link stats are sampled. | |
u32 frequency; // Frequency on which link is operating. | |
u32 beacon_rx; // Beacon received count from connected AP on the link. | |
u64 average_tsf_offset; // Average beacon offset encountered (beacon_TSF - | |
// TBTT). The average_tsf_offset field is used so as | |
// to calculate the typical beacon contention time on | |
// the channel as well may be used to debug beacon | |
// synchronization and related power consumption | |
// issue. | |
u32 leaky_ap_detected; // Indicate that this AP on the link typically leaks | |
// packets beyond the driver guard time. | |
u32 leaky_ap_avg_num_frames_leaked; // Average number of frame leaked by AP | |
// in the link after frame with PM bit | |
// set was ACK'ed by AP. | |
u32 leaky_ap_guard_time; // Guard time currently in force (when implementing | |
// IEEE power management based on frame control PM | |
// bit), How long driver waits before shutting down | |
// the radio and after receiving an ACK for a data | |
// frame with PM bit set). | |
u32 mgmt_rx; // Management frames received count from connected AP on the | |
// link (including Beacon). | |
u32 mgmt_action_rx; // Action frames received count on the link. | |
u32 mgmt_action_tx; // Action frames transmit count on the link. | |
wifi_rssi rssi_mgmt; // Access Point Beacon and Management frames RSSI | |
// (averaged) on the link. | |
wifi_rssi rssi_data; // Access Point Data Frames RSSI (averaged) from | |
// connected AP on the link. | |
wifi_rssi rssi_ack; // Access Point ACK RSSI (averaged) from connected AP on | |
// the links. | |
wifi_wmm_ac_stat ac[WIFI_AC_MAX]; // Per AC data packet statistics for the | |
// link. | |
u8 time_slicing_duty_cycle_percent; // If this link is being served using | |
// time slicing on a radio with one or | |
// more links, then the duty cycle | |
// assigned to this link in %. | |
u32 num_peers; // Number of peers. | |
wifi_peer_info peer_info[]; // Peer statistics for the link. | |
} wifi_link_stat; | |
/* Multi link stats for interface */ | |
typedef struct { | |
wifi_interface_handle iface; // Wifi interface. | |
wifi_interface_link_layer_info info; // Current state of the interface. | |
int num_links; // Number of links. | |
wifi_link_stat links[]; // Stats per link. | |
} wifi_iface_ml_stat; | |
/* configuration params */ | |
typedef struct { | |
u32 mpdu_size_threshold; // threshold to classify the pkts as short or long | |
// packet size < mpdu_size_threshold => short | |
u32 aggressive_statistics_gathering; // set for field debug mode. Driver should collect all statistics regardless of performance impact. | |
} wifi_link_layer_params; | |
/* API to trigger the link layer statistics collection. | |
Unless his API is invoked - link layer statistics will not be collected. | |
Radio statistics (once started) do not stop or get reset unless wifi_clear_link_stats is invoked | |
Interface statistics (once started) reset and start afresh after each connection */ | |
wifi_error wifi_set_link_stats(wifi_interface_handle iface, wifi_link_layer_params params); | |
/* Callbacks for reporting link layer stats. Only one of the callbacks needs to | |
* be called. */ | |
typedef struct { | |
/* Legacy: Single iface/link stats. */ | |
void (*on_link_stats_results)(wifi_request_id id, | |
wifi_iface_stat *iface_stat, int num_radios, | |
wifi_radio_stat *radio_stat); | |
/* Multi link stats. */ | |
void (*on_multi_link_stats_results)(wifi_request_id id, | |
wifi_iface_ml_stat *iface_ml_stat, | |
int num_radios, | |
wifi_radio_stat *radio_stat); | |
} wifi_stats_result_handler; | |
/* api to collect the link layer statistics for a given iface and all the radio stats */ | |
wifi_error wifi_get_link_stats(wifi_request_id id, | |
wifi_interface_handle iface, wifi_stats_result_handler handler); | |
/* wifi statistics bitmap */ | |
#define WIFI_STATS_RADIO 0x00000001 // all radio statistics | |
#define WIFI_STATS_RADIO_CCA 0x00000002 // cca_busy_time (within radio statistics) | |
#define WIFI_STATS_RADIO_CHANNELS 0x00000004 // all channel statistics (within radio statistics) | |
#define WIFI_STATS_RADIO_SCAN 0x00000008 // all scan statistics (within radio statistics) | |
#define WIFI_STATS_IFACE 0x00000010 // all interface statistics | |
#define WIFI_STATS_IFACE_TXRATE 0x00000020 // all tx rate statistics (within interface statistics) | |
#define WIFI_STATS_IFACE_AC 0x00000040 // all ac statistics (within interface statistics) | |
#define WIFI_STATS_IFACE_CONTENTION 0x00000080 // all contention (min, max, avg) statistics (within ac statisctics) | |
/* clear api to reset statistics, stats_clear_rsp_mask identifies what stats have been cleared | |
stop_req = 1 will imply whether to stop the statistics collection. | |
stop_rsp = 1 will imply that stop_req was honored and statistics collection was stopped. | |
*/ | |
wifi_error wifi_clear_link_stats(wifi_interface_handle iface, | |
u32 stats_clear_req_mask, u32 *stats_clear_rsp_mask, u8 stop_req, u8 *stop_rsp); | |
#ifdef __cplusplus | |
} | |
#endif /* __cplusplus */ | |
#endif /*__WIFI_HAL_STATS_ */ |