FUN_PORT_CAP_RX_PAUSE
#define FUN_PORT_CAP_PAUSE_MASK (FUN_PORT_CAP_TX_PAUSE | FUN_PORT_CAP_RX_PAUSE)
if (modes & FUN_PORT_CAP_RX_PAUSE)
rx_pause = advertising & FUN_PORT_CAP_RX_PAUSE;
if (fp->port_caps & (FUN_PORT_CAP_RX_PAUSE | FUN_PORT_CAP_TX_PAUSE))
pause->rx_pause = !!(active_pause & FUN_PORT_CAP_RX_PAUSE);
if (pause->rx_pause && !(fp->port_caps & FUN_PORT_CAP_RX_PAUSE))
new_advert |= FUN_PORT_CAP_RX_PAUSE;
else if (fp->active_fc & FUN_PORT_CAP_RX_PAUSE)