486          * support LE Ping feature.  in ble_ll_ctrl_proc_unk_rsp()
1674  * Called when we receive a feature request or a slave initiated feature
1693      * Only accept slave feature requests if we are a master and feature  in ble_ll_ctrl_rx_feature_req()
2195     uint32_t feature;  in ble_ll_ctrl_rx_pdu()  local
2256     /* Check if the feature is supported. */  in ble_ll_ctrl_rx_pdu()
2259         feature = BLE_LL_FEAT_DATA_LEN_EXT;  in ble_ll_ctrl_rx_pdu()
2262         feature = BLE_LL_FEAT_SLAVE_INIT;  in ble_ll_ctrl_rx_pdu()
2266         feature = BLE_LL_FEAT_CONN_PARM_REQ;  in ble_ll_ctrl_rx_pdu()
2271         feature = BLE_LL_FEAT_LE_ENCRYPTION;  in ble_ll_ctrl_rx_pdu()
2274         feature = BLE_LL_FEAT_LE_PING;  in ble_ll_ctrl_rx_pdu()
2277         feature = BLE_LL_FEAT_LE_2M_PHY | BLE_LL_FEAT_LE_CODED_PHY;  in ble_ll_ctrl_rx_pdu()
2280         feature = BLE_LL_FEAT_MIN_USED_CHAN;  in ble_ll_ctrl_rx_pdu()
2283         feature = 0;  in ble_ll_ctrl_rx_pdu()
2287     if (feature) {  in ble_ll_ctrl_rx_pdu()
2289         if ((features & feature) == 0) {  in ble_ll_ctrl_rx_pdu()