[PATCH] Remove P2P Group Client virtual interface on getting a Deauth Event.

[Jithu Jance]

This patch removes P2P Group Client virtual interface on getting a Deauth Event. Kindly
see whether the patch is okay.


 Signed-off-by: Jithu Jance <jithu at broadcom.com>

---
 wpa_supplicant/events.c         |    4 ++++
 wpa_supplicant/p2p_supplicant.c |   15 +++++++++++++++
 wpa_supplicant/p2p_supplicant.h |    2 ++
 3 files changed, 21 insertions(+), 0 deletions(-)

diff --git a/wpa_supplicant/events.c b/wpa_supplicant/events.c
index 80ca869..11fc39b 100644
--- a/wpa_supplicant/events.c
+++ b/wpa_supplicant/events.c
@@ -2024,6 +2024,10 @@ void wpa_supplicant_event(void *ctx, enum wpa_event_type event,
 		}
 #endif /* CONFIG_AP */
 		wpa_supplicant_event_disassoc(wpa_s, reason_code);
+#ifdef CONFIG_P2P
+		wpas_p2p_group_remove_notif(wpa_s, reason_code);
+#endif
+
 		break;
 	case EVENT_MICHAEL_MIC_FAILURE:
 		wpa_supplicant_event_michael_mic_failure(wpa_s, data);
diff --git a/wpa_supplicant/p2p_supplicant.c b/wpa_supplicant/p2p_supplicant.c
index 3723c50..8b20003 100644
--- a/wpa_supplicant/p2p_supplicant.c
+++ b/wpa_supplicant/p2p_supplicant.c
@@ -3717,6 +3717,21 @@ void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
 	p2p_deauth_notif(wpa_s->global->p2p, bssid, reason_code, ie, ie_len);
 }
 
+void wpas_p2p_group_remove_notif(struct wpa_supplicant *wpa_s, u16 reason_code)
+{
+	if(wpa_s->global->p2p_disabled)
+		return;
+
+	/* If we are running a P2P Client and we received a Deauth/Disassoc from the Go, then remove
+	   the virutal interface on which the client is running. */
+	if((wpa_s != wpa_s->parent) && (wpa_s->p2p_group_interface == P2P_GROUP_INTERFACE_CLIENT) && (wpa_s->key_mgmt != WPA_KEY_MGMT_WPS)) {
+
+		wpa_printf(MSG_DEBUG, "P2P: [EVENT_DEAUTH] Removing P2P_CLIENT virtual intf.");
+		wpa_supplicant_cancel_scan(wpa_s);
+		wpa_s->removal_reason = P2P_GROUP_REMOVAL_UNAVAILABLE;
+		wpas_p2p_group_delete(wpa_s);
+	}
+}
 
 void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
 			     u16 reason_code, const u8 *ie, size_t ie_len)
diff --git a/wpa_supplicant/p2p_supplicant.h b/wpa_supplicant/p2p_supplicant.h
index 9a13f9f..3387722 100644
--- a/wpa_supplicant/p2p_supplicant.h
+++ b/wpa_supplicant/p2p_supplicant.h
@@ -109,6 +109,8 @@ int wpas_p2p_ext_listen(struct wpa_supplicant *wpa_s, unsigned int period,
 			unsigned int interval);
 void wpas_p2p_deauth_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
 			   u16 reason_code, const u8 *ie, size_t ie_len);
+void wpas_p2p_group_remove_notif(struct wpa_supplicant *wpa_s,
+				u16 reason_code);
 void wpas_p2p_disassoc_notif(struct wpa_supplicant *wpa_s, const u8 *bssid,
 			     u16 reason_code, const u8 *ie, size_t ie_len);
 void wpas_p2p_update_config(struct wpa_supplicant *wpa_s);
-- 
1.7.4.1


- Jithu Jance.