diff options
| author | David Gwynne <dlg@cvs.openbsd.org> | 2007-04-22 13:17:56 +0000 |
|---|---|---|
| committer | David Gwynne <dlg@cvs.openbsd.org> | 2007-04-22 13:17:56 +0000 |
| commit | 5987ee480a561293112502206b291786d96f2cbe (patch) | |
| tree | 7e461318ff38a521af3493ceab8884484f60b091 /sys | |
| parent | e07af4355466e6310ade30c208bebebcb6c5ee0b (diff) | |
this is my previous commit again, but this time it was tested.
dma sync the rx mbuf before we push it to the hardware.
technically this isnt necessary cos bus_dmamap_sync is a nop on i386 and
amd64. but i like to be correct, and someone might read this as an example
of how to write a driver.
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/dev/pci/if_vic.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/pci/if_vic.c b/sys/dev/pci/if_vic.c index 164162456d2..80ae8f05634 100644 --- a/sys/dev/pci/if_vic.c +++ b/sys/dev/pci/if_vic.c @@ -1,4 +1,4 @@ -/* $OpenBSD: if_vic.c,v 1.44 2007/04/21 19:24:59 deraadt Exp $ */ +/* $OpenBSD: if_vic.c,v 1.45 2007/04/22 13:17:55 dlg Exp $ */ /* * Copyright (c) 2006 Reyk Floeter <reyk@openbsd.org> @@ -771,9 +771,13 @@ vic_rx_proc(struct vic_softc *sc) printf("%s: mbuf alloc failed\n", DEVNAME(sc)); break; } + bus_dmamap_sync(sc->sc_dmat, rxb->rxb_dmamap, 0, + rxb->rxb_m->m_pkthdr.len, BUS_DMASYNC_PREREAD); + rxd->rx_physaddr = rxb->rxb_dmamap->dm_segs[0].ds_addr; rxd->rx_buflength = rxb->rxb_m->m_pkthdr.len; rxd->rx_length = 0; + rxd->rx_owner = VIC_OWNER_DRIVER; ifp->if_ipackets++; |