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From: John Baldwin <jhb@FreeBSD.org>
Date: Wed, 29 Jun 2011 16:16:59 +0000 (UTC)
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X-FreeBSD-CVS-Branch: RELENG_8
Subject: cvs commit: src/sys/dev/e1000 if_igb.c if_igb.h
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jhb         2011-06-29 16:16:59 UTC

  FreeBSD src repository

  Modified files:        (Branch: RELENG_8)
    sys/dev/e1000        if_igb.c if_igb.h 
  Log:
  SVN rev 223675 on 2011-06-29 16:16:59Z by jhb
  
  MFC 223198:
  - Use a dedicated task to handle deferred transmits from the if_transmit
    method instead of reusing the existing per-queue interrupt task.
    Reusing the per-queue interrupt task could result in both an interrupt
    thread and the taskqueue thread trying to handle received packets on a
    single queue resulting in out-of-order packet processing.
  - Don't define igb_start() at all on 8.0 and where if_transmit is used.
    Replace last remaining call to igb_start() with a loop to kick off
    transmit on each queue instead.
  - Call ether_ifdetach() earlier in igb_detach().
  - Drain tasks and free taskqueues during igb_detach().
  
  Revision   Changes    Path
  1.21.2.20  +63 -10    src/sys/dev/e1000/if_igb.c
  1.4.2.8    +1 -0      src/sys/dev/e1000/if_igb.h