bzfifo
struct bzfifo txbz_b1;
struct bzfifo txbz_b2;
struct bzfifo rxbz_b1;
struct bzfifo rxbz_b2;
struct bzfifo *bzr;
struct bzfifo *bzt;
hfcpci_empty_bfifo(struct bchannel *bch, struct bzfifo *bz,
hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *rxbz,
struct bzfifo *txbz, u_char *bdata)
struct bzfifo *txbz, *rxbz;
struct bzfifo *bz;