bge_tx_bd
sizeof(struct bge_tx_bd));
struct bge_tx_bd *cur_tx = NULL;
toff = offset + (sc->bge_tx_saved_considx * sizeof(struct bge_tx_bd));
sizeof(struct bge_tx_bd);
toff, tosync * sizeof(struct bge_tx_bd),
struct bge_tx_bd *f, *prev_f;
((ringno * sizeof(struct bge_tx_bd) * size) / 4)
struct bge_tx_bd bge_tx_ring[BGE_TX_RING_CNT];