eth_tx_1st_bd
struct eth_tx_1st_bd first_bd /* The first tx bd of a given packet */;
struct eth_tx_1st_bd *first_bd;
first_bd = (struct eth_tx_1st_bd *)&local_bd[0];
struct eth_tx_1st_bd *first_bd;
(struct eth_tx_1st_bd *)ecore_chain_consume(
struct eth_tx_1st_bd *first_bd;