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39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
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Merged from madwifi trunk r3551, r3552
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Index: madwifi-trunk-r3314/ath/if_ath.c
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===================================================================
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--- madwifi-trunk-r3314.orig/ath/if_ath.c 2008-04-20 23:18:52.000000000 +0200
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+++ madwifi-trunk-r3314/ath/if_ath.c 2008-04-20 23:20:36.000000000 +0200
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@@ -8245,6 +8245,17 @@
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goto bf_fail;
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}
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+ /* We make sure we don't remove the TX descriptor on
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+ * which the HW is pointing since it contains the
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+ * ds_link field, except if this is the last TX
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+ * descriptor in the queue */
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+
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+ if ((txq->axq_depth > 1) &&
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+ (bf->bf_daddr == ath_hal_gettxbuf(ah, txq->axq_qnum))) {
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+ ATH_TXQ_UNLOCK_IRQ_EARLY(txq);
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+ goto bf_fail;
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+ }
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+
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ATH_TXQ_REMOVE_HEAD(txq, bf_list);
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ATH_TXQ_UNLOCK_IRQ(txq);
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Index: madwifi-trunk-r3314/ath/if_athvar.h
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===================================================================
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--- madwifi-trunk-r3314.orig/ath/if_athvar.h 2008-04-20 23:18:48.000000000 +0200
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+++ madwifi-trunk-r3314/ath/if_athvar.h 2008-04-20 23:21:12.000000000 +0200
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@@ -586,7 +586,8 @@
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} while (0)
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#define ATH_TXQ_REMOVE_HEAD(_tq, _field) do { \
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STAILQ_REMOVE_HEAD(&(_tq)->axq_q, _field); \
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- (_tq)->axq_depth--; \
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+ if (--(_tq)->axq_depth <= 0) \
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+ (_tq)->axq_link = NULL; \
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} while (0)
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/* move buffers from MCASTQ to CABQ */
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#define ATH_TXQ_MOVE_MCASTQ(_tqs,_tqd) do { \
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