PORT_LEARN_DISABLE
if (!(learn[index] & PORT_LEARN_DISABLE))
learn[index] | PORT_LEARN_DISABLE);
if (!(learn[index] & PORT_LEARN_DISABLE))
if (!(data & PORT_LEARN_DISABLE))
data | PORT_LEARN_DISABLE);
data &= ~(PORT_TX_ENABLE | PORT_RX_ENABLE | PORT_LEARN_DISABLE);
data |= PORT_LEARN_DISABLE;
data |= (PORT_RX_ENABLE | PORT_LEARN_DISABLE);
data |= PORT_LEARN_DISABLE;
data |= PORT_LEARN_DISABLE;
data |= PORT_LEARN_DISABLE;
data |= PORT_LEARN_DISABLE;
data |= PORT_LEARN_DISABLE;
data &= ~PORT_LEARN_DISABLE;
data &= ~PORT_LEARN_DISABLE;
data |= PORT_LEARN_DISABLE;
data |= PORT_LEARN_DISABLE;