Author: adrian
Date: Tue Aug 7 00:42:46 2012
New Revision: 239120
URL: http://svn.freebsd.org/changeset/base/239120
Log:
Correct re-initialise the link pointer to be the final descriptor in
the last buffer.
This fixes traffic stalls that were occuring with stuck beacon events.
PR: kern/170433
Modified:
head/sys/dev/ath/if_ath_tx.c
Modified: head/sys/dev/ath/if_ath_tx.c
==============================================================================
--- head/sys/dev/ath/if_ath_tx.c Tue Aug 7 00:34:15 2012
(r239119)
+++ head/sys/dev/ath/if_ath_tx.c Tue Aug 7 00:42:46 2012
(r239120)
@@ -751,7 +751,7 @@ ath_legacy_tx_dma_restart(struct ath_sof
return;
ath_hal_puttxbuf(ah, txq->axq_qnum, bf->bf_daddr);
- ath_hal_gettxdesclinkptr(ah, bf->bf_lastds, &txq->axq_link);
+ ath_hal_gettxdesclinkptr(ah, bf_last->bf_lastds, &txq->axq_link);
ath_hal_txstart(ah, txq->axq_qnum);
}
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