NV_PAUSEFRAME_TX_ENABLE
np->pause_flags &= ~(NV_PAUSEFRAME_TX_ENABLE | NV_PAUSEFRAME_RX_ENABLE);
if (pause_flags & NV_PAUSEFRAME_TX_ENABLE) {
np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE;
pause_flags |= NV_PAUSEFRAME_TX_ENABLE;
pause_flags |= NV_PAUSEFRAME_TX_ENABLE;
pause_flags |= NV_PAUSEFRAME_TX_ENABLE;
np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE);
np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE;
pause->tx_pause = (np->pause_flags & NV_PAUSEFRAME_TX_ENABLE) != 0;
np->pause_flags &= ~(NV_PAUSEFRAME_AUTONEG|NV_PAUSEFRAME_RX_ENABLE|NV_PAUSEFRAME_TX_ENABLE);
np->pause_flags |= NV_PAUSEFRAME_TX_ENABLE;