Support for sending BTM request frame to upper layer
Framework need to get MBO attributes and WNM mode fields from BTM request frame
Support the feature of BTM request notification
To take this feature, "btm_offload=1" add to wpa_supplicant.conf
Bug: 169528463
Test: Manual-Trigger BTM frame from AP and check the wifi dumpsys for
mbo attributes
Signed-off-by: Dennis Jeon <dennis.jeon@broadcom.com>
Change-Id: I07137848cef47ee15f750871520119e7181f4c26
Merged-In: I07137848cef47ee15f750871520119e7181f4c26
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index e1d9824..82b8fc6 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -4305,6 +4305,7 @@
config->disassoc_imminent_rssi_threshold =
DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD;
config->oce = DEFAULT_OCE_SUPPORT;
+ config->btm_offload = DEFAULT_BTM_OFFLOAD;
#endif /* CONFIG_MBO */
if (ctrl_interface)
@@ -5048,6 +5049,7 @@
MBO_CELL_CAPA_NOT_SUPPORTED), 0 },
{ INT_RANGE(disassoc_imminent_rssi_threshold, -120, 0), 0 },
{ INT_RANGE(oce, 0, 3), 0 },
+ { INT_RANGE(btm_offload, 0, 1), CFG_CHANGED_DISABLE_BTM_NOTIFY },
#endif /* CONFIG_MBO */
{ INT(gas_address3), 0 },
{ INT_RANGE(ftm_responder, 0, 1), 0 },
diff --git a/wpa_supplicant/config.h b/wpa_supplicant/config.h
index 0ca27cb..331c64e 100644
--- a/wpa_supplicant/config.h
+++ b/wpa_supplicant/config.h
@@ -45,6 +45,7 @@
#define DEFAULT_DISASSOC_IMMINENT_RSSI_THRESHOLD -75
#define DEFAULT_OCE_SUPPORT OCE_STA
#define DEFAULT_EXTENDED_KEY_ID 0
+#define DEFAULT_BTM_OFFLOAD 0
#include "config_ssid.h"
#include "wps/wps.h"
@@ -376,6 +377,7 @@
#define CFG_CHANGED_SCHED_SCAN_PLANS BIT(17)
#define CFG_CHANGED_WOWLAN_TRIGGERS BIT(18)
#define CFG_CHANGED_DISABLE_BTM BIT(19)
+#define CFG_CHANGED_DISABLE_BTM_NOTIFY BIT(20)
/**
* struct wpa_config - wpa_supplicant configuration data
@@ -1447,6 +1449,14 @@
* - Set BIT(1) to enable OCE in STA-CFON mode
*/
unsigned int oce;
+
+ /**
+ * btm_offload - Set where to perform roaming logic
+ * - Set to 0 to handle fully roaming logic in supplicant
+ * - Set to 1 to skip roaming logic in supplicant for firmware roaming
+ * just parse BTM frame and notify framework
+ */
+ int btm_offload;
#endif /* CONFIG_MBO */
/**
diff --git a/wpa_supplicant/wnm_sta.c b/wpa_supplicant/wnm_sta.c
index 2e09102..ac04383 100644
--- a/wpa_supplicant/wnm_sta.c
+++ b/wpa_supplicant/wnm_sta.c
@@ -1451,6 +1451,22 @@
wpa_s->wnm_dissoc_timer * beacon_int * 128 / 125, url);
}
+#ifdef CONFIG_MBO
+ vendor = get_ie(pos, end - pos, WLAN_EID_VENDOR_SPECIFIC);
+ if (vendor) {
+ wpas_mbo_ie_trans_req(wpa_s, vendor + 2, vendor[1]);
+ if (wpa_s->conf->btm_offload) {
+ wpa_msg(wpa_s, MSG_INFO,
+ "WNM: Notify BSS Transition Management Request frame status");
+ wpa_s->bss_tm_status = WNM_BSS_TM_ACCEPT;
+ wpas_notify_bss_tm_status(wpa_s);
+ /* since it could be referenced in the scan result logic, initialize it */
+ wpa_s->wnm_mbo_trans_reason_present = 0;
+ return;
+ }
+ }
+#endif /* CONFIG_MBO */
+
if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_DISASSOC_IMMINENT) {
wpa_msg(wpa_s, MSG_INFO, "WNM: Disassociation Imminent - "
"Disassociation Timer %u", wpa_s->wnm_dissoc_timer);
@@ -1462,12 +1478,6 @@
}
}
-#ifdef CONFIG_MBO
- vendor = get_ie(pos, end - pos, WLAN_EID_VENDOR_SPECIFIC);
- if (vendor)
- wpas_mbo_ie_trans_req(wpa_s, vendor + 2, vendor[1]);
-#endif /* CONFIG_MBO */
-
if (wpa_s->wnm_mode & WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED) {
unsigned int valid_ms;
diff --git a/wpa_supplicant/wpa_supplicant.conf b/wpa_supplicant/wpa_supplicant.conf
index 3b90567..f5194be 100644
--- a/wpa_supplicant/wpa_supplicant.conf
+++ b/wpa_supplicant/wpa_supplicant.conf
@@ -1584,6 +1584,12 @@
# Set to 1 to disable BSS transition management
#disable_btm=0
+# This value is used to set where to perform roaming logic
+# Set to 0 to handle roaming logic fully in supplicant
+# Set to 1 to skip roaming logic in supplicant and handle it in firmware
+# In supplicant, just parse BTM frame and notify framework
+#btm_offload=0
+
# Enable EDMG capability in STA/AP mode, default value is false
#enable_edmg=1