svn commit: r226845 - stable/7/sys/dev/dc

[Pyun YongHyeon]

Author: yongari
Date: Thu Oct 27 16:48:19 2011
New Revision: 226845
URL: http://svn.freebsd.org/changeset/base/226845

Log:
  MFC r226695-226696:
  r226695:
    Fix a regression introduced in r218832. For TX status check, driver
    should use a TX list DMA tag.
  
  r226696:
    Add missing bus_dmamap_sync() in setup frame transmit.

Modified:
  stable/7/sys/dev/dc/if_dc.c
Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/cddl/contrib/opensolaris/   (props changed)
  stable/7/sys/contrib/dev/acpica/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/dev/dc/if_dc.c
==============================================================================
--- stable/7/sys/dev/dc/if_dc.c	Thu Oct 27 16:47:09 2011	(r226844)
+++ stable/7/sys/dev/dc/if_dc.c	Thu Oct 27 16:48:19 2011	(r226845)
@@ -1137,6 +1137,8 @@ dc_setfilt_21143(struct dc_softc *sc)
 	sp[41] = DC_SP_MAC(eaddr[2]);
 
 	sframe->dc_status = htole32(DC_TXSTAT_OWN);
+	bus_dmamap_sync(sc->dc_tx_ltag, sc->dc_tx_lmap, BUS_DMASYNC_PREREAD |
+	    BUS_DMASYNC_PREWRITE);
 	bus_dmamap_sync(sc->dc_stag, sc->dc_smap, BUS_DMASYNC_PREWRITE);
 	CSR_WRITE_4(sc, DC_TXSTART, 0xFFFFFFFF);
 
@@ -1343,6 +1345,8 @@ dc_setfilt_xircom(struct dc_softc *sc)
 	DC_SETBIT(sc, DC_NETCFG, DC_NETCFG_TX_ON);
 	DC_SETBIT(sc, DC_NETCFG, DC_NETCFG_RX_ON);
 	sframe->dc_status = htole32(DC_TXSTAT_OWN);
+	bus_dmamap_sync(sc->dc_tx_ltag, sc->dc_tx_lmap, BUS_DMASYNC_PREREAD |
+	    BUS_DMASYNC_PREWRITE);
 	bus_dmamap_sync(sc->dc_stag, sc->dc_smap, BUS_DMASYNC_PREWRITE);
 	CSR_WRITE_4(sc, DC_TXSTART, 0xFFFFFFFF);
 
@@ -2971,7 +2975,7 @@ dc_txeof(struct dc_softc *sc)
 	 * Go through our tx list and free mbufs for those
 	 * frames that have been transmitted.
 	 */
-	bus_dmamap_sync(sc->dc_rx_ltag, sc->dc_tx_lmap, BUS_DMASYNC_POSTREAD |
+	bus_dmamap_sync(sc->dc_tx_ltag, sc->dc_tx_lmap, BUS_DMASYNC_POSTREAD |
 	    BUS_DMASYNC_POSTWRITE);
 	setup = 0;
 	for (idx = sc->dc_cdata.dc_tx_cons; idx != sc->dc_cdata.dc_tx_prod;