Lines Matching refs:tx_tail
91 u_int tx_head, tx_tail; /* Head and tail of transmit ring buffer. */ member
354 sc->tx_head = sc->tx_tail = sc->tx_lower_limit; in ex_init()
410 if ((i = sc->tx_tail - sc->tx_head) >= 0) in ex_start()
432 dest = sc->tx_tail; in ex_start()
435 if ((sc->tx_upper_limit + 2 - sc->tx_tail) <= in ex_start()
477 if (sc->tx_head != sc->tx_tail) { in ex_start()
478 if (sc->tx_tail != dest) { in ex_start()
501 if (sc->tx_head == sc->tx_tail) { in ex_start()
511 sc->tx_tail = next; in ex_start()
545 sc->tx_head = sc->tx_tail = sc->tx_lower_limit; in ex_stop()
617 while (sc->tx_head != sc->tx_tail) { in ex_tx_intr()
843 sc->tx_tail = sc->tx_head + XMT_HEADER_LEN + (count + 1) * 6; in ex_setmulti()
855 sc->tx_head = sc->tx_tail; in ex_setmulti()