BNX2_TX_RING_IDX
sw_ring_cons = BNX2_TX_RING_IDX(sw_cons);
tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(sw_cons)];
tx_buf = &txr->tx_buf_ring[BNX2_TX_RING_IDX(j)];
txbd = &txr->tx_desc_ring[BNX2_TX_RING_IDX(txr->tx_prod)];
ring_prod = BNX2_TX_RING_IDX(prod);
ring_prod = BNX2_TX_RING_IDX(prod);
ring_prod = BNX2_TX_RING_IDX(prod);
ring_prod = BNX2_TX_RING_IDX(prod);