uint32_t max_inline; /**< Max inline send size. */
uint32_t csum:1; /**< Enable checksum offloading. */
uint32_t csum_l2tun:1; /**< Same for L2 tunnels. */
+ uint32_t lb:1; /**< Whether packets should be looped back by eSwitch. */
uint8_t *bounce_buf;
/**< Memory used for storing the first DWORD of data TXBBs. */
struct {