skge_tx_desc
tx_size = skge->tx_ring.count * sizeof(struct skge_tx_desc);
struct skge_tx_desc *td;
struct skge_tx_desc *tf = td;
struct skge_tx_desc *td = e->desc;
u32 control = ((const struct skge_tx_desc *) e->desc)->control;
const struct skge_tx_desc *t = e->desc;
struct skge_tx_desc *d;