Author: adrian
Date: Sun Jun 5 03:33:46 2011
New Revision: 222707
URL: http://svn.freebsd.org/changeset/base/222707
Log:
Add a missing call to sync the DMAed buffer before the radar event data is
extracted.
Modified:
head/sys/dev/ath/if_ath.c
Modified: head/sys/dev/ath/if_ath.c
==============================================================================
--- head/sys/dev/ath/if_ath.c Sun Jun 5 02:44:04 2011 (r222706)
+++ head/sys/dev/ath/if_ath.c Sun Jun 5 03:33:46 2011 (r222707)
@@ -3473,7 +3473,15 @@ ath_rx_proc(void *arg, int npending)
if (rs->rs_status & HAL_RXERR_PHY) {
sc->sc_stats.ast_rx_phyerr++;
/* Process DFS radar events */
- ath_dfs_process_phy_err(sc, mtod(m, char *),
tsf, rs);
+ if ((rs->rs_phyerr == HAL_PHYERR_RADAR) ||
+ (rs->rs_phyerr ==
HAL_PHYERR_FALSE_RADAR_EXT)) {
+ /* Since we're touching the frame data,
sync it */
+ bus_dmamap_sync(sc->sc_dmat,
+ bf->bf_dmamap,
+ BUS_DMASYNC_POSTREAD);
+ /* Now pass it to the radar processing
code */
+ ath_dfs_process_phy_err(sc, mtod(m,
char *), tsf, rs);
+ }
/* Be suitably paranoid about receiving phy
errors out of the stats array bounds */
if (rs->rs_phyerr < 64)
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