[src/trunk]: src/sys/dev/pci Use 64-bit DMA tag (if available) on PCI-E re(4)...

[jakllsch <jakllsch%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/d2f2dc2dfc00
branches:  trunk
changeset: 756662:d2f2dc2dfc00
user:      jakllsch <jakllsch%NetBSD.org@localhost>
date:      Tue Jul 27 21:48:41 2010 +0000

description:
Use 64-bit DMA tag (if available) on PCI-E re(4) NICs.

diffstat:

 sys/dev/pci/if_re_pci.c |  9 ++++++---
 1 files changed, 6 insertions(+), 3 deletions(-)

diffs (30 lines):

diff -r ab6964404828 -r d2f2dc2dfc00 sys/dev/pci/if_re_pci.c
--- a/sys/dev/pci/if_re_pci.c   Tue Jul 27 21:05:04 2010 +0000
+++ b/sys/dev/pci/if_re_pci.c   Tue Jul 27 21:48:41 2010 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: if_re_pci.c,v 1.39 2010/07/27 21:02:00 jakllsch Exp $  */
+/*     $NetBSD: if_re_pci.c,v 1.40 2010/07/27 21:48:41 jakllsch Exp $  */
 
 /*
  * Copyright (c) 1997, 1998-2003
@@ -46,7 +46,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: if_re_pci.c,v 1.39 2010/07/27 21:02:00 jakllsch Exp $");
+__KERNEL_RCSID(0, "$NetBSD: if_re_pci.c,v 1.40 2010/07/27 21:48:41 jakllsch Exp $");
 
 #include <sys/types.h>
 
@@ -236,7 +236,10 @@
            t->rtk_basetype == RTK_8101E)
                sc->sc_quirk |= RTKQ_PCIE;
 
-       sc->sc_dmat = pa->pa_dmat;
+       if (pci_dma64_available(pa) && (sc->sc_quirk & RTKQ_PCIE))
+               sc->sc_dmat = pa->pa_dmat64;
+       else
+               sc->sc_dmat = pa->pa_dmat;
 
        /*
         * No power/enable/disable machinery for PCI attach;