qcacld-3.0: Set default key index after bss start

qcacld-2.0 to qcacld-3.0 propagation

In AP+AP scenario, it is possible that hostapd can set default
key index before there is a session associated with pAdapter.
So save wep default key index in pHddApCtx and set it after bss start.

Change-Id: I1c27ad8984cb1ece266405fb5c427e59dd01db3a
CRs-Fixed: 938522
(cherry picked from commit d93be6957228143d757f299fcd32d2428860f9ee)

core/hdd/inc/wlan_hdd_main.h

@@ -763,6 +763,9 @@ struct hdd_ap_ctx_s {
 	/* This will have WEP key data, if it is received before start bss */
 	tCsrRoamSetKey wepKey[CSR_MAX_NUM_KEY];
 
+	/* WEP default key index */
+	uint8_t wep_def_key_idx;
+
 	beacon_data_t *beacon;
 
 	bool bApActive;

core/hdd/src/wlan_hdd_cfg80211.c

@@ -9611,11 +9611,9 @@ static int __wlan_hdd_cfg80211_set_default_key(struct wiphy *wiphy,
 				WLAN_HDD_GET_AP_CTX_PTR(pAdapter);
 			pAPCtx->wepKey[key_index].keyDirection =
 				eSIR_TX_DEFAULT;
-			hdd_info("key index passed for sme_roam_set_default_key_index %d",
+			hdd_info("WEP default key index set to SAP context %d",
 				key_index);
-			sme_roam_set_default_key_index(
-				WLAN_HDD_GET_HAL_CTX(pAdapter),
-				pAdapter->sessionId, key_index);
+			pAPCtx->wep_def_key_idx = key_index;
 		}
 	}
 

core/hdd/src/wlan_hdd_hostapd.c

@@ -1126,6 +1126,16 @@ QDF_STATUS hdd_hostapd_sap_event_cb(tpSap_Event pSapEvent,
 		pHostapdState->bssState = BSS_START;
 		hdd_wlan_green_ap_start_bss(pHddCtx);
 
+		/* Set default key index */
+		QDF_TRACE(QDF_MODULE_ID_HDD, QDF_TRACE_LEVEL_INFO,
+			"%s: default key index %hu", __func__,
+			pHddApCtx->wep_def_key_idx);
+
+		sme_roam_set_default_key_index(
+			WLAN_HDD_GET_HAL_CTX(pHostapdAdapter),
+			pHostapdAdapter->sessionId,
+			pHddApCtx->wep_def_key_idx);
+
 		/* Set group key / WEP key every time when BSS is restarted */
 		if (pHddApCtx->groupKey.keyLength) {
 			status = wlansap_set_key_sta(