/**
 * @defgroup pkg_lwip   lwIP network stack
 * @ingroup  pkg
 * @ingroup  net
 * @brief    Provides the lwIP network stack
 * @see      http://savannah.nongnu.org/projects/lwip/
 *
 * lwIP is a lightweight TCP/IP stack primarily for usage with Ethernet.
 * It can be used with the @ref sock API.
 */