PERFORCE change 93064 for review

[Olivier Houchard]

http://perforce.freebsd.org/chv.cgi?CH=93064

Change 93064 by cognet at cognet on 2006/03/09 21:33:46

	Call bus_dmamap_sync on the rx descriptors map after we modified it,
	to be sure the adapter sees the new values.

Affected files ...

.. //depot/projects/arm/src/sys/arm/at91/if_ate.c#30 edit

Differences ...

==== //depot/projects/arm/src/sys/arm/at91/if_ate.c#30 (text+ko) ====

@@ -608,9 +608,11 @@
 					if (i == ATE_MAX_RX_BUFFERS - 1)
 						sc->rx_descs[i].addr |=
 						    ETH_WRAP_BIT;
-					bus_dmamap_sync(sc->rxtag, sc->rx_map[i],
-					    BUS_DMASYNC_PREREAD);
-					bus_dmamap_sync(sc->rxtag, sc->rx_map[i],
+					bus_dmamap_sync(sc->rx_desc_tag,
+					    sc->rx_desc_map,
+					    BUS_DMASYNC_PREWRITE);
+					bus_dmamap_sync(sc->rxtag,
+					    sc->rx_map[i],
 					    BUS_DMASYNC_PREWRITE);
 					continue;
 				}
@@ -627,10 +629,9 @@
 					printf("Failed to get another mbuf -- discarding packet\n");
 					sc->rx_mbuf[i] = mb;
 					sc->rx_descs[i].addr &= ~ETH_CPU_OWNER;
-					bus_dmamap_sync(sc->rxtag, sc->rx_map[i],
-					    BUS_DMASYNC_PREREAD);
-					bus_dmamap_sync(sc->rxtag, sc->rx_map[i],
-					    BUS_DMASYNC_PREWRITE);
+					bus_dmamap_sync(sc->rx_desc_tag,
+					    sc->rx_desc_map, 
+					    BUS_DMASYNC_PREWRITE); 
 					continue;
 				}
 				bus_dmamap_unload(sc->rxtag, sc->rx_map[i]);
@@ -640,10 +641,9 @@
 					printf("Failed to load mbuf -- discarding packet -- reload old?\n");
 					sc->rx_mbuf[i] = mb;
 					sc->rx_descs[i].addr &= ~ETH_CPU_OWNER;
-					bus_dmamap_sync(sc->rxtag, sc->rx_map[i],
-					    BUS_DMASYNC_PREREAD);
-					bus_dmamap_sync(sc->rxtag, sc->rx_map[i],
-					    BUS_DMASYNC_PREWRITE);
+					bus_dmamap_sync(sc->rx_desc_tag,
+					    sc->rx_desc_map, 
+					    BUS_DMASYNC_PREWRITE); 
 					continue;
 				}
 				mb->m_len = rx_stat & ETH_LEN_MASK;
@@ -658,9 +658,9 @@
 				sc->rx_descs[i].addr = seg.ds_addr;
 				if (i == ATE_MAX_RX_BUFFERS - 1)
 					sc->rx_descs[i].addr |= ETH_WRAP_BIT;
-				else
-				bus_dmamap_sync(sc->rxtag, sc->rx_map[i],
-				    BUS_DMASYNC_PREREAD);
+				bus_dmamap_sync(sc->rx_desc_tag,
+				    sc->rx_desc_map, 
+				    BUS_DMASYNC_PREWRITE); 
 				bus_dmamap_sync(sc->rxtag, sc->rx_map[i],
 				    BUS_DMASYNC_PREWRITE);
 				(*sc->ifp->if_input)(sc->ifp, mb);