From: Hayes Wang <hayesw...@realtek.com> Date: Thu, 26 Jan 2017 09:38:30 +0800
> v3: > simply the argument for patch #3. Replace &tp->napi with napi. > > v2: > Add smp_mb__after_atomic() for patch #1. > > v1: > Scheduling the napi during the following periods would let it be ignored. > And the events wouldn't be handled until next napi_schedule() is called. > > 1. after napi_disable and before napi_enable(). > 2. after all actions of napi function is completed and before calling > napi_complete(). > > If no next napi_schedule() is called, tx or rx would stop working. > > In order to avoid these situations, the followings solutions are applied. > > 1. prevent start_xmit() from calling napi_schedule() during runtime suspend > or after napi_disable(). > 2. re-schedule the napi for tx if it is necessary. > 3. check if any rx is finished or not after napi_enable(). Series applied.
