Toggle to flush BSS entries when interface is disabled
Add globally configurable option to not flush cache when interface goes
down.
Bug: 73301881
Test: Verify that the connected MAC randomization ~3 second delay problem is gone
Test: b/122700105 regression testing completed
Change-Id: Ic1ec89afad3cd244858b95dcfdf5729b6522702a
diff --git a/wpa_supplicant/config.c b/wpa_supplicant/config.c
index a8987a6..be6fc5d 100644
--- a/wpa_supplicant/config.c
+++ b/wpa_supplicant/config.c
@@ -4757,6 +4757,7 @@
{ INT(p2p_device_random_mac_addr), 0 },
{ STR(p2p_device_persistent_mac_addr), 0 },
{ INT(p2p_interface_random_mac_addr), 0 },
+ { INT_RANGE(bss_no_flush_when_down, 0, 1), 0 },
};
#undef FUNC
diff --git a/wpa_supplicant/config.h b/wpa_supplicant/config.h
index ee20a93..e431b9c 100644
--- a/wpa_supplicant/config.h
+++ b/wpa_supplicant/config.h
@@ -1499,6 +1499,13 @@
*/
int p2p_interface_random_mac_addr;
+ /**
+ * bss_no_flush_when_down - Whether to flush BSS entries when the interface is disabled
+ *
+ * 0 = Flush BSS entries when the interface becomes disabled (Default)
+ * 1 = Do not flush BSS entries when the interface becomes disabled
+ */
+ int bss_no_flush_when_down;
};
diff --git a/wpa_supplicant/config_file.c b/wpa_supplicant/config_file.c
index 3a6dae5..1cdfbc2 100644
--- a/wpa_supplicant/config_file.c
+++ b/wpa_supplicant/config_file.c
@@ -1520,6 +1520,9 @@
if (config->p2p_interface_random_mac_addr)
fprintf(f, "p2p_interface_random_mac_addr=%d\n",
config->p2p_interface_random_mac_addr);
+ if (config->bss_no_flush_when_down)
+ fprintf(f, "bss_no_flush_when_down=%d\n",
+ config->bss_no_flush_when_down);
}
diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index 29fb7ec..7eb25ea 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -4569,7 +4569,8 @@
wpa_s, WLAN_REASON_DEAUTH_LEAVING, 1);
}
wpa_supplicant_mark_disassoc(wpa_s);
- wpa_bss_flush(wpa_s);
+ if (!wpa_s->conf->bss_no_flush_when_down)
+ wpa_bss_flush(wpa_s);
radio_remove_works(wpa_s, NULL, 0);
wpa_supplicant_set_state(wpa_s, WPA_INTERFACE_DISABLED);