napi_schedule_prep(9)
NAME
napi_schedule_prep - check if napi can be scheduled
SYNOPSIS
int napi_schedule_prep(struct napi_struct * n);
ARGUMENTS
- n
- napi context
DESCRIPTION
Test if NAPI routine is already running, and if not mark it as running.
This is used as a condition variable insure only one NAPI poll instance
runs. We also make sure there is no pending NAPI disable.