NAPI_SCHEDULE_PREP

Section: Network device support (9)
Updated: February 2011
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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.  

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