John Baldwin 932b56d242 - Add a locked variant of jme_start() and invoke it directly while holding
the lock instead of queueing it to a task.
- Do not invoke jme_rxintr() to reclaim any unprocessed but received
  packets when shutting down the interface.  Instead, just drop these
  packets to match the behavior of other drivers.
- Hold the driver lock in the interrupt handler to avoid races with
  ioctl requests to down the interface.

Reviewed by:	yongari
2011-01-13 14:42:43 +00:00
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