Author: yongari
Date: Fri May 6 22:26:57 2011
New Revision: 221558
URL: http://svn.freebsd.org/changeset/base/221558
Log:
Set status word once instead of twice. For 3C90xB/3C90xC, frame
length of status word is ignored. While here move bus_dmamap_sync()
up where DMA map is loaded.
Modified:
head/sys/dev/xl/if_xl.c
Modified: head/sys/dev/xl/if_xl.c
==============================================================================
--- head/sys/dev/xl/if_xl.c Fri May 6 22:16:43 2011 (r221557)
+++ head/sys/dev/xl/if_xl.c Fri May 6 22:26:57 2011 (r221558)
@@ -2507,6 +2507,7 @@ xl_encap(struct xl_softc *sc, struct xl_
*m_head = NULL;
return (EIO);
}
+ bus_dmamap_sync(sc->xl_mtag, c->xl_map, BUS_DMASYNC_PREWRITE);
total_len = 0;
for (i = 0; i < nseg; i++) {
@@ -2519,8 +2520,6 @@ xl_encap(struct xl_softc *sc, struct xl_
total_len += sc->xl_cdata.xl_tx_segs[i].ds_len;
}
c->xl_ptr->xl_frag[nseg - 1].xl_len |= htole32(XL_LAST_FRAG);
- c->xl_ptr->xl_status = htole32(total_len);
- c->xl_ptr->xl_next = 0;
if (sc->xl_type == XL_TYPE_905B) {
status = XL_TXSTAT_RND_DEFEAT;
@@ -2535,11 +2534,12 @@ xl_encap(struct xl_softc *sc, struct xl_
status |= XL_TXSTAT_UDPCKSUM;
}
#endif
- c->xl_ptr->xl_status = htole32(status);
- }
+ } else
+ status = total_len;
+ c->xl_ptr->xl_status = htole32(status);
+ c->xl_ptr->xl_next = 0;
c->xl_mbuf = *m_head;
- bus_dmamap_sync(sc->xl_mtag, c->xl_map, BUS_DMASYNC_PREWRITE);
return (0);
}
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