mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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93f00c0eb5
- fix a semi-random heisenbug by replacing the previous noderef fix with a simple hack that is not 100% correct, but safe. - add ad-hoc atim fixes by bruno - add napi polling fixes by sven-ola - fix compile breakage with debug enabled git-svn-id: svn://svn.openwrt.org/openwrt/trunk@12838 3c298f89-4303-0410-b956-a3cf2f4a3e73
35 lines
903 B
Diff
35 lines
903 B
Diff
Merged from madwifi trunk r3551, r3552
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--- a/ath/if_ath.c
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+++ b/ath/if_ath.c
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@@ -8251,6 +8251,17 @@
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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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--- a/ath/if_athvar.h
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+++ b/ath/if_athvar.h
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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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