John Baldwin 36d05d0ebc Make fe(4) MPSAFE:
- Add a mutex to the softc to protect the softc and device hardware.
- Don't leak bus resources if if_alloc() fails during attach.
- Setup the interrupt handler after calling ether_ifattach().
- Use a private timer to manage the transmit watchdog.

Tested by:	 WATANABE Kazuhiro  CQG00620 of nifty.ne.jp
2008-06-02 19:58:48 +00:00
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2008-06-02 19:58:48 +00:00
2008-06-02 19:58:48 +00:00
2008-06-02 19:58:48 +00:00