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esp-idf/examples/wifi/roaming
History
Kapil Gupta 77661ba436 esp_wifi: Add APIs to check BTM and RRM support of connected AP
2022-08-03 11:35:44 +05:30
..
main esp_wifi: Add APIs to check BTM and RRM support of connected AP 2022-08-03 11:35:44 +05:30
CMakeLists.txt wpa_supplicant: Add initial roaming support 2020-11-17 17:15:26 +05:30
Makefile wpa_supplicant: Add initial roaming support 2020-11-17 17:15:26 +05:30
README.md wpa_supplicant: Add initial roaming support 2020-11-17 17:15:26 +05:30
sdkconfig.defaults wpa_supplicant: Add initial roaming support 2020-11-17 17:15:26 +05:30

README.md

Roaming Example

This example demonstrate a roaming example using 11k and 11v APIs.

All the logs are taken after debug enabled:

Beacon request:

I (11125) wpa: scan issued at time=7579442263 I (11125) wpa: BSS: Add new id 1 BSSID b6:fb:e4:4d:6e:22 SSID 'ESPTest' chan 1 I (11135) wpa: BSS: Add new id 2 BSSID d6:fb:e4:4d:6e:22 SSID 'ESPDedicated' chan 1 I (11165) wpa: BSS: Add new id 3 BSSID c6:fb:e4:4d:6e:22 SSID 'ESPGuestNetwork' chan 1 I (11185) wpa: BSS: Add new id 4 BSSID b4:fb:e4:4d:6e:22 SSID 'ESPIndia' chan 1 I (11245) wpa: BSS: Add new id 5 BSSID b8:27:eb:3b:4a:59 SSID 'wpa2_enterprise' chan 6 I (11365) wpa: BSS: Add new id 6 BSSID 38:94:ed:34:07:66 SSID 'Nighthawk' chan 6 I (11365) wpa: BSS: Add new id 7 BSSID 10:da:43:dc:99:20 SSID 'NETGEAR40' chan 6 I (12435) wpa: BSS: Add new id 8 BSSID c6:fb:e4:4d:7c:89 SSID 'ESPGuestNetwork' chan 11 I (12445) wpa: BSS: Add new id 9 BSSID d6:fb:e4:4d:7c:89 SSID 'ESPDedicated' chan 11 I (12455) wpa: BSS: Add new id 10 BSSID b6:fb:e4:4d:7c:89 SSID 'ESPTest' chan 11 I (12485) wpa: BSS: Add new id 11 BSSID b4:fb:e4:4d:7c:89 SSID 'ESPIndia' chan 11 I (12825) wpa: scan done received I (12845) wpa: action frame sent I (12845) wpa: action frame sent

Sta's moving from one AP to another on BTM request:

I (379479) wpa: WNM: RX action 7 from 50:3e:aa:26:35:42 I (379479) wpa: WNM: BSS Transition Management Request: dialog_token=1 request_mode=0x1 disassoc_timer=0 validity_interval=1 I (379489) wpa: WNM: Neighbor report tag 52 I (379499) wpa: WNM: Subelement id=3 len=1 I (379499) wpa: WNM: BSS Transition Candidate List I (379509) wpa: 0: b4:e6:2d:eb:1d:76 info=0x0 op_class=81 chan=1 phy=7 pref=255 I (379519) wpa: WNM: Candidate list valid for 102 ms I (379519) wpa: WNM: Scan only for a specific BSSID since there is only a single candidate b4:e6:2d:eb:1d:76 I (379539) wpa: scan issued at time=9979439869 I (379539) wpa: BSS: Add new id 12 BSSID b4:e6:2d:eb:1d:76 SSID 'roaming_test123' chan 6 I (381979) wpa: scan done received I (381979) wpa: WNM: Process scan results for BSS Transition Management I (381979) wpa: WNM: Found an acceptable preferred transition candidate BSS b4:e6:2d:eb:1d:76 (RSSI -7) I (381989) wpa: WNM: Transition to BSS b4:e6:2d:eb:1d:76 based on BSS Transition Management Request after_new_scan=1) I (381999) wpa: WNM: Sending successful BSS Transition Management Response I (382009) wpa: WNM: Send BSS Transition Management Response to 50:3e:aa:26:35:42 dialog_token=1 status=0 reason=0 delay=0 I (382019) wpa: action frame sent I (382029) wpa: WNM: Issuing connect I (382029) wifi:state: run -> init (0) I (382029) wifi:pm stop, total sleep time: 102136757 us / 109258805 us

I (382039) wifi🆕<6,0>, old:<6,0>, ap:<255,255>, sta:<6,0>, prof:1 I (382769) wifi🆕<6,1>, old:<6,0>, ap:<255,255>, sta:<6,1>, prof:1 I (384689) wifi:state: init -> auth (b0) I (384699) wifi:state: auth -> assoc (0) I (384709) wifi:state: assoc -> run (10) I (384729) wifi:connected with roaming_test123, aid = 1, channel 6, 40U, bssid = b4:e6:2d:eb:1d:76 I (384729) wifi:security: WPA2-PSK, phy: bgn, rssi: -7 I (384729) wifi:pm start, type: 1

I (384789) wifi:AP's beacon interval = 102400 us, DTIM period = 2 I (385609) esp_netif_handlers: sta ip: 192.168.4.2, mask: 255.255.255.0, gw: 192.168.4.1