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* newbie question about qdisc_watchdog_schedule
@ 2010-04-07  2:52 Yongjian Zhang
  0 siblings, 0 replies; only message in thread
From: Yongjian Zhang @ 2010-04-07  2:52 UTC (permalink / raw)
  To: netdev

Hi all,

I have a newbie question about qdisc_watchdog_schedule(). This
function appears in the source code of several qdiscs and it seems to
be used when the qdisc is asked to dequeue a packet but cannot.

I tried to trace the source code but only found some function calls to
start a timer. No callback function seems to be involved...

Google did not give me any documentation to this function either...

Can anyone maybe show me what does qdisc_watchdog_schedule() do and/or
why we have to call it when there's no packet to dequeue?

Thanks a lot!

Jack

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