1 #include "wifi_hal.h" 2 3 #ifndef __WIFI_HAL_STATS_H 4 #define __WIFI_HAL_STATS_H 5 6 #ifdef __cplusplus 7 extern "C" 8 { 9 #endif /* __cplusplus */ 10 11 #define STATS_MAJOR_VERSION 1 12 #define STATS_MINOR_VERSION 0 13 #define STATS_MICRO_VERSION 0 14 15 typedef enum { 16 WIFI_DISCONNECTED = 0, 17 WIFI_AUTHENTICATING = 1, 18 WIFI_ASSOCIATING = 2, 19 WIFI_ASSOCIATED = 3, 20 WIFI_EAPOL_STARTED = 4, // if done by firmware/driver 21 WIFI_EAPOL_COMPLETED = 5, // if done by firmware/driver 22 } wifi_connection_state; 23 24 typedef enum { 25 WIFI_ROAMING_IDLE = 0, 26 WIFI_ROAMING_ACTIVE = 1, 27 } wifi_roam_state; 28 29 typedef enum { 30 WIFI_INTERFACE_STA = 0, 31 WIFI_INTERFACE_SOFTAP = 1, 32 WIFI_INTERFACE_IBSS = 2, 33 WIFI_INTERFACE_P2P_CLIENT = 3, 34 WIFI_INTERFACE_P2P_GO = 4, 35 WIFI_INTERFACE_NAN = 5, 36 WIFI_INTERFACE_MESH = 6, 37 WIFI_INTERFACE_TDLS = 7, 38 WIFI_INTERFACE_UNKNOWN = -1 39 } wifi_interface_mode; 40 41 #define WIFI_CAPABILITY_QOS 0x00000001 // set for QOS association 42 #define WIFI_CAPABILITY_PROTECTED 0x00000002 // set for protected association (802.11 beacon frame control protected bit set) 43 #define WIFI_CAPABILITY_INTERWORKING 0x00000004 // set if 802.11 Extended Capabilities element interworking bit is set 44 #define WIFI_CAPABILITY_HS20 0x00000008 // set for HS20 association 45 #define WIFI_CAPABILITY_SSID_UTF8 0x00000010 // set is 802.11 Extended Capabilities element UTF-8 SSID bit is set 46 #define WIFI_CAPABILITY_COUNTRY 0x00000020 // set is 802.11 Country Element is present 47 48 typedef struct { 49 wifi_interface_mode mode; // interface mode 50 u8 mac_addr[6]; // interface mac address (self) 51 wifi_connection_state state; // connection state (valid for STA, CLI only) 52 wifi_roam_state roaming; // roaming state 53 u32 capabilities; // WIFI_CAPABILITY_XXX (self) 54 u8 ssid[33]; // null terminated SSID 55 u8 bssid[6]; // bssid 56 u8 ap_country_str[3]; // country string advertised by AP 57 u8 country_str[3]; // country string for this association 58 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 %. 59 // If not using time slicing (i.e SCC or DBS), set to 100. 60 } wifi_interface_link_layer_info; 61 62 /* channel information */ 63 typedef struct { 64 wifi_channel_width width; // channel width (20, 40, 80, 80+80, 160) 65 wifi_channel center_freq; // primary 20 MHz channel 66 wifi_channel center_freq0; // center frequency (MHz) first segment 67 wifi_channel center_freq1; // center frequency (MHz) second segment 68 } wifi_channel_info; 69 70 /* wifi rate */ 71 typedef struct { 72 u32 preamble :3; // 0: OFDM, 1:CCK, 2:HT 3:VHT 4:HE 5..7 reserved 73 u32 nss :2; // 0:1x1, 1:2x2, 3:3x3, 4:4x4 74 u32 bw :3; // 0:20MHz, 1:40Mhz, 2:80Mhz, 3:160Mhz 75 u32 rateMcsIdx :8; // OFDM/CCK rate code would be as per ieee std in the units of 0.5mbps 76 // HT/VHT/HE it would be mcs index 77 u32 reserved :16; // reserved 78 u32 bitrate; // units of 100 Kbps 79 } wifi_rate; 80 81 /* channel statistics */ 82 typedef struct { 83 wifi_channel_info channel; // channel 84 u32 on_time; // msecs the radio is awake (32 bits number accruing over time) 85 u32 cca_busy_time; // msecs the CCA register is busy (32 bits number accruing over time) 86 } wifi_channel_stat; 87 88 // Max number of tx power levels. The actual number vary per device and is specified by |num_tx_levels| 89 #define RADIO_STAT_MAX_TX_LEVELS 256 90 91 /* radio statistics */ 92 typedef struct { 93 wifi_radio radio; // wifi radio (if multiple radio supported) 94 u32 on_time; // msecs the radio is awake (32 bits number accruing over time) 95 u32 tx_time; // msecs the radio is transmitting (32 bits number accruing over time) 96 u32 num_tx_levels; // number of radio transmit power levels 97 u32 *tx_time_per_levels; // pointer to an array of radio transmit per power levels in 98 // msecs accured over time 99 u32 rx_time; // msecs the radio is in active receive (32 bits number accruing over time) 100 u32 on_time_scan; // msecs the radio is awake due to all scan (32 bits number accruing over time) 101 u32 on_time_nbd; // msecs the radio is awake due to NAN (32 bits number accruing over time) 102 u32 on_time_gscan; // msecs the radio is awake due to G?scan (32 bits number accruing over time) 103 u32 on_time_roam_scan; // msecs the radio is awake due to roam?scan (32 bits number accruing over time) 104 u32 on_time_pno_scan; // msecs the radio is awake due to PNO scan (32 bits number accruing over time) 105 u32 on_time_hs20; // msecs the radio is awake due to HS2.0 scans and GAS exchange (32 bits number accruing over time) 106 u32 num_channels; // number of channels 107 wifi_channel_stat channels[]; // channel statistics 108 } wifi_radio_stat; 109 110 /** 111 * Packet statistics reporting by firmware is performed on MPDU basi (i.e. counters increase by 1 for each MPDU) 112 * As well, "data packet" in associated comments, shall be interpreted as 802.11 data packet, 113 * that is, 802.11 frame control subtype == 2 and excluding management and control frames. 114 * 115 * As an example, in the case of transmission of an MSDU fragmented in 16 MPDUs which are transmitted 116 * OTA in a 16 units long a-mpdu, for which a block ack is received with 5 bits set: 117 * tx_mpdu : shall increase by 5 118 * retries : shall increase by 16 119 * tx_ampdu : shall increase by 1 120 * data packet counters shall not increase regardless of the number of BAR potentially sent by device for this a-mpdu 121 * data packet counters shall not increase regardless of the number of BA received by device for this a-mpdu 122 * 123 * For each subsequent retransmission of the 11 remaining non ACK'ed mpdus 124 * (regardless of the fact that they are transmitted in a-mpdu or not) 125 * retries : shall increase by 1 126 * 127 * If no subsequent BA or ACK are received from AP, until packet lifetime expires for those 11 packet that were not ACK'ed 128 * mpdu_lost : shall increase by 11 129 */ 130 131 /* per rate statistics */ 132 typedef struct { 133 wifi_rate rate; // rate information 134 u32 tx_mpdu; // number of successfully transmitted data pkts (ACK rcvd) 135 u32 rx_mpdu; // number of received data pkts 136 u32 mpdu_lost; // number of data packet losses (no ACK) 137 u32 retries; // total number of data pkt retries 138 u32 retries_short; // number of short data pkt retries 139 u32 retries_long; // number of long data pkt retries 140 } wifi_rate_stat; 141 142 /* access categories */ 143 typedef enum { 144 WIFI_AC_VO = 0, 145 WIFI_AC_VI = 1, 146 WIFI_AC_BE = 2, 147 WIFI_AC_BK = 3, 148 WIFI_AC_MAX = 4, 149 } wifi_traffic_ac; 150 151 /* wifi peer type */ 152 typedef enum 153 { 154 WIFI_PEER_STA, 155 WIFI_PEER_AP, 156 WIFI_PEER_P2P_GO, 157 WIFI_PEER_P2P_CLIENT, 158 WIFI_PEER_NAN, 159 WIFI_PEER_TDLS, 160 WIFI_PEER_INVALID, 161 } wifi_peer_type; 162 163 /* per peer statistics */ 164 typedef struct bssload_info { 165 u16 sta_count; // station count 166 u16 chan_util; // channel utilization 167 u8 PAD[4]; 168 } bssload_info_t; 169 170 typedef struct { 171 wifi_peer_type type; // peer type (AP, TDLS, GO etc.) 172 u8 peer_mac_address[6]; // mac address 173 u32 capabilities; // peer WIFI_CAPABILITY_XXX 174 bssload_info_t bssload; // STA count and CU 175 u32 num_rate; // number of rates 176 wifi_rate_stat rate_stats[]; // per rate statistics, number of entries = num_rate 177 } wifi_peer_info; 178 179 /* Per access category statistics */ 180 typedef struct { 181 wifi_traffic_ac ac; // access category (VI, VO, BE, BK) 182 u32 tx_mpdu; // number of successfully transmitted unicast data pkts (ACK rcvd) 183 u32 rx_mpdu; // number of received unicast data packets 184 u32 tx_mcast; // number of succesfully transmitted multicast data packets 185 // STA case: implies ACK received from AP for the unicast packet in which mcast pkt was sent 186 u32 rx_mcast; // number of received multicast data packets 187 u32 rx_ampdu; // number of received unicast a-mpdus; support of this counter is optional 188 u32 tx_ampdu; // number of transmitted unicast a-mpdus; support of this counter is optional 189 u32 mpdu_lost; // number of data pkt losses (no ACK) 190 u32 retries; // total number of data pkt retries 191 u32 retries_short; // number of short data pkt retries 192 u32 retries_long; // number of long data pkt retries 193 u32 contention_time_min; // data pkt min contention time (usecs) 194 u32 contention_time_max; // data pkt max contention time (usecs) 195 u32 contention_time_avg; // data pkt avg contention time (usecs) 196 u32 contention_num_samples; // num of data pkts used for contention statistics 197 } wifi_wmm_ac_stat; 198 199 /* interface statistics */ 200 typedef struct { 201 wifi_interface_handle iface; // wifi interface 202 wifi_interface_link_layer_info info; // current state of the interface 203 u32 beacon_rx; // access point beacon received count from connected AP 204 u64 average_tsf_offset; // average beacon offset encountered (beacon_TSF - TBTT) 205 // The average_tsf_offset field is used so as to calculate the 206 // typical beacon contention time on the channel as well may be 207 // used to debug beacon synchronization and related power consumption issue 208 u32 leaky_ap_detected; // indicate that this AP typically leaks packets beyond the driver guard time. 209 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 210 u32 leaky_ap_guard_time; // guard time currently in force (when implementing IEEE power management based on 211 // frame control PM bit), How long driver waits before shutting down the radio and 212 // after receiving an ACK for a data frame with PM bit set) 213 u32 mgmt_rx; // access point mgmt frames received count from connected AP (including Beacon) 214 u32 mgmt_action_rx; // action frames received count 215 u32 mgmt_action_tx; // action frames transmit count 216 wifi_rssi rssi_mgmt; // access Point Beacon and Management frames RSSI (averaged) 217 wifi_rssi rssi_data; // access Point Data Frames RSSI (averaged) from connected AP 218 wifi_rssi rssi_ack; // access Point ACK RSSI (averaged) from connected AP 219 wifi_wmm_ac_stat ac[WIFI_AC_MAX]; // per ac data packet statistics 220 u32 num_peers; // number of peers 221 wifi_peer_info peer_info[]; // per peer statistics 222 } wifi_iface_stat; 223 224 /* configuration params */ 225 typedef struct { 226 u32 mpdu_size_threshold; // threshold to classify the pkts as short or long 227 // packet size < mpdu_size_threshold => short 228 u32 aggressive_statistics_gathering; // set for field debug mode. Driver should collect all statistics regardless of performance impact. 229 } wifi_link_layer_params; 230 231 /* API to trigger the link layer statistics collection. 232 Unless his API is invoked - link layer statistics will not be collected. 233 Radio statistics (once started) do not stop or get reset unless wifi_clear_link_stats is invoked 234 Interface statistics (once started) reset and start afresh after each connection */ 235 wifi_error wifi_set_link_stats(wifi_interface_handle iface, wifi_link_layer_params params); 236 237 /* callback for reporting link layer stats */ 238 typedef struct { 239 void (*on_link_stats_results) (wifi_request_id id, wifi_iface_stat *iface_stat, 240 int num_radios, wifi_radio_stat *radio_stat); 241 } wifi_stats_result_handler; 242 243 /* api to collect the link layer statistics for a given iface and all the radio stats */ 244 wifi_error wifi_get_link_stats(wifi_request_id id, 245 wifi_interface_handle iface, wifi_stats_result_handler handler); 246 247 /* wifi statistics bitmap */ 248 #define WIFI_STATS_RADIO 0x00000001 // all radio statistics 249 #define WIFI_STATS_RADIO_CCA 0x00000002 // cca_busy_time (within radio statistics) 250 #define WIFI_STATS_RADIO_CHANNELS 0x00000004 // all channel statistics (within radio statistics) 251 #define WIFI_STATS_RADIO_SCAN 0x00000008 // all scan statistics (within radio statistics) 252 #define WIFI_STATS_IFACE 0x00000010 // all interface statistics 253 #define WIFI_STATS_IFACE_TXRATE 0x00000020 // all tx rate statistics (within interface statistics) 254 #define WIFI_STATS_IFACE_AC 0x00000040 // all ac statistics (within interface statistics) 255 #define WIFI_STATS_IFACE_CONTENTION 0x00000080 // all contention (min, max, avg) statistics (within ac statisctics) 256 257 /* clear api to reset statistics, stats_clear_rsp_mask identifies what stats have been cleared 258 stop_req = 1 will imply whether to stop the statistics collection. 259 stop_rsp = 1 will imply that stop_req was honored and statistics collection was stopped. 260 */ 261 wifi_error wifi_clear_link_stats(wifi_interface_handle iface, 262 u32 stats_clear_req_mask, u32 *stats_clear_rsp_mask, u8 stop_req, u8 *stop_rsp); 263 264 #ifdef __cplusplus 265 } 266 #endif /* __cplusplus */ 267 268 #endif /*__WIFI_HAL_STATS_ */ 269 270