XDP_WAKEUP_TX
if (flags & XDP_WAKEUP_TX) {
if (flags & XDP_WAKEUP_TX) {
XDP_WAKEUP_TX);
if (flags & XDP_WAKEUP_TX) {
if (pool->cached_need_wakeup & XDP_WAKEUP_TX) {
return xsk_wakeup(xs, XDP_WAKEUP_TX);
if (pool->cached_need_wakeup & XDP_WAKEUP_TX)
pool->cached_need_wakeup |= XDP_WAKEUP_TX;
if (!(pool->cached_need_wakeup & XDP_WAKEUP_TX))
pool->cached_need_wakeup &= ~XDP_WAKEUP_TX;
pool->cached_need_wakeup = XDP_WAKEUP_TX;