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Add missing bus_dmamap_sync() for the RX buffer.

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This commit is contained in:
msaitoh 2012-09-06 03:45:02 +00:00
parent bb20a903f3
commit 8d4dcb44cb
1 changed files with 9 additions and 4 deletions

13
sys/dev/marvell/if_mvgbe.c

@ -1,4 +1,4 @@
/* $NetBSD: if_mvgbe.c,v 1.18 2012/07/22 14:32:59 matt Exp $ */
/* $NetBSD: if_mvgbe.c,v 1.19 2012/09/06 03:45:02 msaitoh Exp $ */
/*
* Copyright (c) 2007, 2008 KIYOHARA Takashi
* All rights reserved.
@ -25,7 +25,7 @@
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_mvgbe.c,v 1.18 2012/07/22 14:32:59 matt Exp $");
__KERNEL_RCSID(0, "$NetBSD: if_mvgbe.c,v 1.19 2012/09/06 03:45:02 msaitoh Exp $");
#include <sys/param.h>
#include <sys/bus.h>
@ -1293,6 +1293,7 @@ mvgbe_newbuf(struct mvgbe_softc *sc, int i, struct mbuf *m,
struct mvgbe_chain *c;
struct mvgbe_rx_desc *r;
int align;
vaddr_t offset;
if (m == NULL) {
void *buf = NULL;
@ -1335,11 +1336,15 @@ mvgbe_newbuf(struct mvgbe_softc *sc, int i, struct mbuf *m,
c = &sc->sc_cdata.mvgbe_rx_chain[i];
r = c->mvgbe_desc;
c->mvgbe_mbuf = m_new;
r->bufptr = dmamap->dm_segs[0].ds_addr +
(((vaddr_t)m_new->m_data - (vaddr_t)sc->sc_cdata.mvgbe_jumbo_buf));
offset = (vaddr_t)m_new->m_data - (vaddr_t)sc->sc_cdata.mvgbe_jumbo_buf;
r->bufptr = dmamap->dm_segs[0].ds_addr + offset;
r->bufsize = MVGBE_JLEN & ~MVGBE_RXBUF_MASK;
r->cmdsts = MVGBE_BUFFER_OWNED_BY_DMA | MVGBE_RX_ENABLE_INTERRUPT;
/* Invalidate RX buffer */
bus_dmamap_sync(sc->sc_dmat, dmamap, offset, r->bufsize,
BUS_DMASYNC_PREREAD);
MVGBE_CDRXSYNC(sc, i, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
return 0;