am "wifi_hal, adding specific event and per packet information to wifi_logger"

merged from goog/mirror-m-wireless-internal-release
bac2b19 wifi_hal, adding specific event and per packet information to wifi_logger

2 files changed, 80 insertions, 1 deletions

diff --git a/include/hardware_legacy/gscan.h b/include/hardware_legacy/gscan.h
index fe92b12..368ca9d 100644
--- a/include/hardware_legacy/gscan.h
+++ b/include/hardware_legacy/gscan.h
@@ -124,7 +124,7 @@ typedef struct {
 
 typedef struct {
     int base_period;                    // base timer period in ms
-    int max_ap_per_scan;                // number of APs to store in each scan in the
+    int max_ap_per_scan;                // number of APs to store in each scan ientryn the
                                         // BSSID/RSSI history buffer (keep the highest RSSI APs)
     int report_threshold_percent;       // in %, when scan buffer is this much full, wake up AP
     int report_threshold_num_scans;     // in number of scans, wake up AP after these many scans
diff --git a/include/hardware_legacy/wifi_logger.h b/include/hardware_legacy/wifi_logger.h
index a9e694f..9742ab3 100644
--- a/include/hardware_legacy/wifi_logger.h
+++ b/include/hardware_legacy/wifi_logger.h
@@ -15,6 +15,85 @@ extern "C"
 typedef int wifi_radio;

 typedef int wifi_ring_buffer_id;

 

+typedef struct {

+    u8 direction:1; //  0: TX, 1: RX

+    u8 success:1; // whether packet was transmitted or received/decrypted successfully

+    u8 has_80211_header:1; // has full 802.11 header, else has 802.3 header

+    u8 protected_packet:1; // whether packet was encrypted

+    u8 tid:4; // transmit  or received tid

+    u8 MCS; // modulation and bandwidth

+    u8 rssi; // TX: RSSI of ACK for that packet

+             // RX: RSSI of packet

+    u8 num_retries; // number of attempted retries

+    u16 last_transmit_rate; // last transmit rate in .5 mbps

+    u16 link_layer_transmit_sequence; // transmit/reeive sequence for that MPDU packet

+    u64 firmware_entry_timestamp;  // TX: firmware timestamp (us) when packet is queued within firmware buffer

+                                   // for SDIO/HSIC or into PCIe buffer

+                                   // RX : firmware receive timestamp

+    u64 start_contention_timestamp; // firmware timestamp (us) when packet start contending for the

+                                    // medium for the first time, at head of its AC queue,

+                                    // or as part of an MPDU or A-MPDU. This timestamp is not updated

+                                    // for each retry, only the first transmit attempt.

+    u64 transmit_success_timestamp; // fimrware timestamp (us) when packet is successfully transmitted

+                                    // or aborted because it has exhausted its maximum number of retries

+    u8 data[0]; // packet data. The length of packet data is determined by the entry_size field of

+                // the wifi_ring_buffer_entry structure. It is expected that first bytes of the

+                // packet, or packet headers only (up to TCP or RTP/UDP headers) will be copied into the ring

+} wifi_ring_per_packet_status_entry;

+

+

+

+#define WIFI_EVENT_ASSOCIATION_REQUESTED 0 // driver receive association command from kernel

+#define WIFI_EVENT_AUTH_COMPLETE 1

+#define WIFI_EVENT_ASSOC_COMPLETE 2

+#define WIFI_EVENT_FW_AUTH_STARTED 3 // received firmware event indicating auth frames are sent

+#define WIFI_EVENT_FW_ASSOC_STARTED 4 // received firmware event indicating assoc frames are sent

+#define WIFI_EVENT_FW_RE_ASSOC_STARTED 5 // received firmware event indicating reassoc frames are sent

+#define WIFI_EVENT_DRIVER_SCAN_REQUESTED 6

+#define WIFI_EVENT_DRIVER_SCAN_RESULT_FOUND 7

+#define WIFI_EVENT_DRIVER_SCAN_COMPLETE 8

+#define WIFI_EVENT_G_SCAN_STARTED 9

+#define WIFI_EVENT_G_SCAN_COMPLETE 10

+#define WIFI_EVENT_DISASSOCIATION_REQUESTED 11

+#define WIFI_EVENT_RE_ASSOCIATION_REQUESTED 12

+#define WIFI_EVENT_ROAM_REQUESTED 13

+#define WIFI_EVENT_BEACON_RECEIVED 14 // received beacon from AP (event enabled only in verbose mode)

+#define WIFI_EVENT_ROAM_SCAN_STARTED 15 // firmware has triggered a roam scan (not g-scan)

+#define WIFI_EVENT_ROAM_SCAN_COMPLETE 16 // firmware has completed a roam scan (not g-scan)

+#define WIFI_EVENT_ROAM_SEARCH_STARTED 17 // firmware has started searching for roam candidates (with reason =xx)

+#define WIFI_EVENT_ROAM_SEARCH_STOPPED 18 // firmware has stopped searching for roam candidates (with reason =xx)

+#define WIFI_EVENT_CHANNEL_SWITCH_ANOUNCEMENT 20 // received channel switch anouncement from AP

+#define WIFI_EVENT_FW_EAPOL_FRAME_TRANSMIT_START 21 // fw start transmit eapol frame, with EAPOL index 1-4

+#define WIFI_EVENT_FW_EAPOL_FRAME_TRANSMIT_STOP 22 // fw gives up eapol frame, with rate, success/failure and number retries

+#define WIFI_EVENT_DRIVER_EAPOL_FRAME_TRANSMIT_REQUESTED 23 // kernel queue EAPOL for transmission in tdriver

+                                                            // with EAPOL index 1-4

+#define WIFI_EVENT_FW_EAPOL_FRAME_RECEIVED 24 // with rate, regardless of the fact that EAPOL frame

+                                           // is accepted or rejected by firmware

+#define WIFI_EVENT_DRIVER_EAPOL_FRAME_RECEIVED 26 // with rate, and eapol index, driver has received EAPOL

+                                                    //frame and will queue it up to wpa_supplicant

+#define WIFI_EVENT_BLOCK_ACK_NEGOTIATION_COMPLETE 27 // with success/failure, parameters

+#define WIFI_EVENT_BT_COEX_BT_SCO_START 28

+#define WIFI_EVENT_BT_COEX_BT_SCO_STOP 29

+#define WIFI_EVENT_BT_COEX_BT_SCAN_START 30 // for paging/scan etc..., when BT starts transmiting twice per BT slot

+#define WIFI_EVENT_BT_COEX_BT_SCAN_STOP 31

+#define WIFI_EVENT_BT_COEX_BT_HID_START 32

+#define WIFI_EVENT_BT_COEX_BT_HID_STOP 33

+#define WIFI_EVENT_ROAM_AUTH_STARTED 34 // firmware sends auth frame in roaming to next candidate

+#define WIFI_EVENT_ROAM_AUTH_COMPLETE 35 // firmware receive auth confirm from ap

+#define WIFI_EVENT_ROAM_ASSOC_STARTED 36 // firmware sends assoc/reassoc frame in roaming to next candidate

+#define WIFI_EVENT_ROAM_ASSOC_COMPLETE 37 // firmware receive assoc/reassoc confirm from ap

+

+

+typedef struct {

+    u16 event;

+    u8 event_data[0]; // separate parameter structure per event to be provided and optional data

+                        // the event_data is expected to include an official android part, with some parameter

+                        // as transmit rate, num retries, num scan result found etc...

+                        // as well, event_data can include a vendor proprietary part which is understood

+                        // by the developer only.

+} wifi_ring_buffer_driver_connectivity_event;

+

+

 /**

  * This structure represent a logger entry within a ring.

  * Binary entries can be used so as to store packet data or vendor specific information.