host/ble_svc_gatt.c: return local Client supported features based on …

…config

EATT supported bit is returned when EATT channel number is greater than 0
and Multiple Handle notification based on BLE_ATT_SVR_NOTIFY_MULTI.

nimble/host/services/gatt/src/ble_svc_gatt.c

@@ -101,9 +101,10 @@ ble_svc_gatt_cl_sup_feat_access(uint16_t conn_handle, uint16_t attr_handle,
  struct ble_gatt_access_ctxt *ctxt, void *arg)
 {
  if (ctxt->op == BLE_GATT_ACCESS_OP_READ_CHR) {
- /* TODO For now just send 1*/
- uint8_t eatt_supported = 2;
- os_mbuf_append(ctxt->om, &eatt_supported, sizeof(eatt_supported));
+ uint8_t supported_feat =
+ (MYNEWT_VAL(BLE_EATT_CHAN_NUM) > 0) << 1 |
+ (MYNEWT_VAL(BLE_ATT_SVR_NOTIFY_MULTI) == 1) << 2;
+ os_mbuf_append(ctxt->om, &supported_feat, sizeof(supported_feat));
  return 0;
  }
  if (ctxt->op == BLE_GATT_ACCESS_OP_WRITE_CHR) {