1 #include "wifi_hal.h"
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3 #ifndef __WIFI_HAL_STATS_H
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4 #define __WIFI_HAL_STATS_H
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9 #endif /* __cplusplus */
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11 #define STATS_MAJOR_VERSION 1
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12 #define STATS_MINOR_VERSION 0
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13 #define STATS_MICRO_VERSION 0
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16 WIFI_DISCONNECTED = 0,
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17 WIFI_AUTHENTICATING = 1,
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18 WIFI_ASSOCIATING = 2,
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19 WIFI_ASSOCIATED = 3,
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20 WIFI_EAPOL_STARTED = 4, // if done by firmware/driver
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21 WIFI_EAPOL_COMPLETED = 5, // if done by firmware/driver
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22 } wifi_connection_state;
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25 WIFI_ROAMING_IDLE = 0,
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26 WIFI_ROAMING_ACTIVE = 1,
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30 WIFI_INTERFACE_STA = 0,
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31 WIFI_INTERFACE_SOFTAP = 1,
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32 WIFI_INTERFACE_IBSS = 2,
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33 WIFI_INTERFACE_P2P_CLIENT = 3,
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34 WIFI_INTERFACE_P2P_GO = 4,
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35 WIFI_INTERFACE_NAN = 5,
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36 WIFI_INTERFACE_MESH = 6,
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37 WIFI_INTERFACE_UNKNOWN = -1
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38 } wifi_interface_mode;
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40 #define WIFI_CAPABILITY_QOS 0x00000001 // set for QOS association
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41 #define WIFI_CAPABILITY_PROTECTED 0x00000002 // set for protected association (802.11 beacon frame control protected bit set)
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42 #define WIFI_CAPABILITY_INTERWORKING 0x00000004 // set if 802.11 Extended Capabilities element interworking bit is set
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43 #define WIFI_CAPABILITY_HS20 0x00000008 // set for HS20 association
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44 #define WIFI_CAPABILITY_SSID_UTF8 0x00000010 // set is 802.11 Extended Capabilities element UTF-8 SSID bit is set
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45 #define WIFI_CAPABILITY_COUNTRY 0x00000020 // set is 802.11 Country Element is present
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48 wifi_interface_mode mode; // interface mode
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49 u8 mac_addr[6]; // interface mac address (self)
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50 wifi_connection_state state; // connection state (valid for STA, CLI only)
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51 wifi_roam_state roaming; // roaming state
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52 u32 capabilities; // WIFI_CAPABILITY_XXX (self)
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53 u8 ssid[33]; // null terminated SSID
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54 u8 bssid[6]; // bssid
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55 u8 ap_country_str[3]; // country string advertised by AP
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56 u8 country_str[3]; // country string for this association
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57 } wifi_interface_link_layer_info;
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59 /* channel information */
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61 wifi_channel_width width; // channel width (20, 40, 80, 80+80, 160)
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62 wifi_channel center_freq; // primary 20 MHz channel
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63 wifi_channel center_freq0; // center frequency (MHz) first segment
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64 wifi_channel center_freq1; // center frequency (MHz) second segment
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65 } wifi_channel_info;
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69 u32 preamble :3; // 0: OFDM, 1:CCK, 2:HT 3:VHT 4..7 reserved
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70 u32 nss :2; // 0:1x1, 1:2x2, 3:3x3, 4:4x4
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71 u32 bw :3; // 0:20MHz, 1:40Mhz, 2:80Mhz, 3:160Mhz
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72 u32 rateMcsIdx :8; // OFDM/CCK rate code would be as per ieee std in the units of 0.5mbps
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73 // HT/VHT it would be mcs index
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74 u32 reserved :16; // reserved
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75 u32 bitrate; // units of 100 Kbps
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78 /* channel statistics */
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80 wifi_channel_info channel; // channel
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81 u32 on_time; // msecs the radio is awake (32 bits number accruing over time)
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82 u32 cca_busy_time; // msecs the CCA register is busy (32 bits number accruing over time)
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83 } wifi_channel_stat;
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85 /* radio statistics */
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87 wifi_radio radio; // wifi radio (if multiple radio supported)
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88 u32 on_time; // msecs the radio is awake (32 bits number accruing over time)
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89 u32 tx_time; // msecs the radio is transmitting (32 bits number accruing over time)
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90 u32 rx_time; // msecs the radio is in active receive (32 bits number accruing over time)
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91 u32 on_time_scan; // msecs the radio is awake due to all scan (32 bits number accruing over time)
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92 u32 on_time_nbd; // msecs the radio is awake due to NAN (32 bits number accruing over time)
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93 u32 on_time_gscan; // msecs the radio is awake due to G?scan (32 bits number accruing over time)
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94 u32 on_time_roam_scan; // msecs the radio is awake due to roam?scan (32 bits number accruing over time)
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95 u32 on_time_pno_scan; // msecs the radio is awake due to PNO scan (32 bits number accruing over time)
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96 u32 on_time_hs20; // msecs the radio is awake due to HS2.0 scans and GAS exchange (32 bits number accruing over time)
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97 u32 num_channels; // number of channels
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98 wifi_channel_stat channels[]; // channel statistics
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102 * Packet statistics reporting by firmware is performed on MPDU basi (i.e. counters increase by 1 for each MPDU)
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103 * As well, "data packet" in associated comments, shall be interpreted as 802.11 data packet,
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104 * that is, 802.11 frame control subtype == 2 and excluding management and control frames.
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106 * As an example, in the case of transmission of an MSDU fragmented in 16 MPDUs which are transmitted
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107 * OTA in a 16 units long a-mpdu, for which a block ack is received with 5 bits set:
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108 * tx_mpdu : shall increase by 5
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109 * retries : shall increase by 16
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110 * tx_ampdu : shall increase by 1
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111 * data packet counters shall not increase regardless of the number of BAR potentially sent by device for this a-mpdu
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112 * data packet counters shall not increase regardless of the number of BA received by device for this a-mpdu
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114 * For each subsequent retransmission of the 11 remaining non ACK'ed mpdus
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115 * (regardless of the fact that they are transmitted in a-mpdu or not)
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116 * retries : shall increase by 1
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118 * If no subsequent BA or ACK are received from AP, until packet lifetime expires for those 11 packet that were not ACK'ed
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119 * mpdu_lost : shall increase by 11
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122 /* per rate statistics */
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124 wifi_rate rate; // rate information
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125 u32 tx_mpdu; // number of successfully transmitted data pkts (ACK rcvd)
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126 u32 rx_mpdu; // number of received data pkts
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127 u32 mpdu_lost; // number of data packet losses (no ACK)
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128 u32 retries; // total number of data pkt retries
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129 u32 retries_short; // number of short data pkt retries
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130 u32 retries_long; // number of long data pkt retries
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133 /* access categories */
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142 /* wifi peer type */
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148 WIFI_PEER_P2P_CLIENT,
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154 /* per peer statistics */
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156 wifi_peer_type type; // peer type (AP, TDLS, GO etc.)
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157 u8 peer_mac_address[6]; // mac address
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158 u32 capabilities; // peer WIFI_CAPABILITY_XXX
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159 u32 num_rate; // number of rates
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160 wifi_rate_stat rate_stats[]; // per rate statistics, number of entries = num_rate
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163 /* Per access category statistics */
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165 wifi_traffic_ac ac; // access category (VI, VO, BE, BK)
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166 u32 tx_mpdu; // number of successfully transmitted unicast data pkts (ACK rcvd)
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167 u32 rx_mpdu; // number of received unicast data packets
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168 u32 tx_mcast; // number of succesfully transmitted multicast data packets
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169 // STA case: implies ACK received from AP for the unicast packet in which mcast pkt was sent
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170 u32 rx_mcast; // number of received multicast data packets
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171 u32 rx_ampdu; // number of received unicast a-mpdus; support of this counter is optional
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172 u32 tx_ampdu; // number of transmitted unicast a-mpdus; support of this counter is optional
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173 u32 mpdu_lost; // number of data pkt losses (no ACK)
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174 u32 retries; // total number of data pkt retries
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175 u32 retries_short; // number of short data pkt retries
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176 u32 retries_long; // number of long data pkt retries
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177 u32 contention_time_min; // data pkt min contention time (usecs)
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178 u32 contention_time_max; // data pkt max contention time (usecs)
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179 u32 contention_time_avg; // data pkt avg contention time (usecs)
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180 u32 contention_num_samples; // num of data pkts used for contention statistics
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181 } wifi_wmm_ac_stat;
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183 /* interface statistics */
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185 wifi_interface_handle iface; // wifi interface
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186 wifi_interface_link_layer_info info; // current state of the interface
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187 u32 beacon_rx; // access point beacon received count from connected AP
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188 u64 average_tsf_offset; // average beacon offset encountered (beacon_TSF - TBTT)
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189 // The average_tsf_offset field is used so as to calculate the
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190 // typical beacon contention time on the channel as well may be
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191 // used to debug beacon synchronization and related power consumption issue
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192 u32 leaky_ap_detected; // indicate that this AP typically leaks packets beyond the driver guard time.
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193 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
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194 u32 leaky_ap_guard_time; // guard time currently in force (when implementing IEEE power management based on
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195 // frame control PM bit), How long driver waits before shutting down the radio and
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196 // after receiving an ACK for a data frame with PM bit set)
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197 u32 mgmt_rx; // access point mgmt frames received count from connected AP (including Beacon)
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198 u32 mgmt_action_rx; // action frames received count
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199 u32 mgmt_action_tx; // action frames transmit count
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200 wifi_rssi rssi_mgmt; // access Point Beacon and Management frames RSSI (averaged)
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201 wifi_rssi rssi_data; // access Point Data Frames RSSI (averaged) from connected AP
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202 wifi_rssi rssi_ack; // access Point ACK RSSI (averaged) from connected AP
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203 wifi_wmm_ac_stat ac[WIFI_AC_MAX]; // per ac data packet statistics
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204 u32 num_peers; // number of peers
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205 wifi_peer_info peer_info[]; // per peer statistics
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208 /* configuration params */
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210 u32 mpdu_size_threshold; // threshold to classify the pkts as short or long
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211 // packet size < mpdu_size_threshold => short
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212 u32 aggressive_statistics_gathering; // set for field debug mode. Driver should collect all statistics regardless of performance impact.
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213 } wifi_link_layer_params;
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215 /* API to trigger the link layer statistics collection.
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216 Unless his API is invoked - link layer statistics will not be collected.
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217 Radio statistics (once started) do not stop or get reset unless wifi_clear_link_stats is invoked
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218 Interface statistics (once started) reset and start afresh after each connection */
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219 wifi_error wifi_set_link_stats(wifi_interface_handle iface, wifi_link_layer_params params);
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221 /* callback for reporting link layer stats */
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223 void (*on_link_stats_results) (wifi_request_id id, wifi_iface_stat *iface_stat,
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224 int num_radios, wifi_radio_stat *radio_stat);
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225 } wifi_stats_result_handler;
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227 /* api to collect the link layer statistics for a given iface and all the radio stats */
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228 wifi_error wifi_get_link_stats(wifi_request_id id,
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229 wifi_interface_handle iface, wifi_stats_result_handler handler);
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231 /* wifi statistics bitmap */
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232 #define WIFI_STATS_RADIO 0x00000001 // all radio statistics
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233 #define WIFI_STATS_RADIO_CCA 0x00000002 // cca_busy_time (within radio statistics)
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234 #define WIFI_STATS_RADIO_CHANNELS 0x00000004 // all channel statistics (within radio statistics)
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235 #define WIFI_STATS_RADIO_SCAN 0x00000008 // all scan statistics (within radio statistics)
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236 #define WIFI_STATS_IFACE 0x00000010 // all interface statistics
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237 #define WIFI_STATS_IFACE_TXRATE 0x00000020 // all tx rate statistics (within interface statistics)
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238 #define WIFI_STATS_IFACE_AC 0x00000040 // all ac statistics (within interface statistics)
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239 #define WIFI_STATS_IFACE_CONTENTION 0x00000080 // all contention (min, max, avg) statistics (within ac statisctics)
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241 /* clear api to reset statistics, stats_clear_rsp_mask identifies what stats have been cleared
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242 stop_req = 1 will imply whether to stop the statistics collection.
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243 stop_rsp = 1 will imply that stop_req was honored and statistics collection was stopped.
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245 wifi_error wifi_clear_link_stats(wifi_interface_handle iface,
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246 u32 stats_clear_req_mask, u32 *stats_clear_rsp_mask, u8 stop_req, u8 *stop_rsp);
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250 #endif /* __cplusplus */
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252 #endif /*__WIFI_HAL_STATS_ */
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