IN_DEV_FORWARD
((IN_DEV_FORWARD(in_dev) && \
|| (!IN_DEV_FORWARD(in_dev) && \
if (unlikely(!in_dev || !IN_DEV_FORWARD(in_dev)))
} else if (IN_DEV_FORWARD(in_dev)) {
if (!IN_DEV_FORWARD(in_dev))
if (!IN_DEV_FORWARD(in_dev)) {
if (!IN_DEV_FORWARD(in_dev)) {