NAPI_SCHEDULE_PREP(9)                 Network device support                NAPI_SCHEDULE_PREP(9)



NAME
       napi_schedule_prep - check if NAPI can be scheduled

SYNOPSIS
       bool 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 to insure only one NAPI poll instance runs. We also make sure there is
       no pending NAPI disable.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                     NAPI_SCHEDULE_PREP(9)