NAPIF_STATE_DISABLE 553 include/linux/netdevice.h if (val & NAPIF_STATE_DISABLE) NAPIF_STATE_DISABLE 5933 net/core/dev.c if (unlikely(val & NAPIF_STATE_DISABLE)) NAPIF_STATE_DISABLE 6110 net/core/dev.c if (val & (NAPIF_STATE_DISABLE | NAPIF_STATE_SCHED |